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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		189
88	#############################################################################	190	#############################################################################
89		191
90	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
91		193
…		…
98	=item $cf::RUNTIME	200	=item $cf::RUNTIME
99		201
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	203	every server tick.
102		204
103	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		208
105	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
107		213
108	=item $cf::NOW	214	=item $cf::NOW
109		215
110	The time of the last (current) server tick.	216	The time of the last (current) server tick.
111		217
112	=item $cf::TICK	218	=item $cf::TICK
113		219
114	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
115		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
116	=item %cf::CFG	232	=item %cf::CFG
117		233
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	235	from wherever your confdir points to.
120		236
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		238
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
127		259
128	=back	260	=back
129		261
130	=cut	262	=cut
131		263
132	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	271	my $msg = join "", @_;
135	utf8::encode $msg;
136		272
137	$msg .= "\n"	273	$msg .= "\n"
138	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
139		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
140	LOG llevError, $msg;	278	LOG llevWarn, $msg;
141	};	279	};
142	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
143		294
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		302
151	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	304	# within the Safe compartment.
153	for my $pkg (qw(	305	for my $pkg (qw(
154	cf::global cf::attachable	306	cf::global cf::attachable
155	cf::object cf::object::player	307	cf::object cf::object::player
156	cf::client cf::player	308	cf::client cf::player
157	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
158	cf::map cf::party cf::region	311	cf::party cf::region
159	)) {	312	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	314	}
163		315
164	$Event::DIED = sub {	316	$EV::DIED = sub {
165	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
166	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
167		326
168	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
169		328
170	=over 4	329	=over 4
171		330
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	350	$d
192	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
193	}	352	}
194		353
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
196		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
197	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
198		369
199	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
200		371
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
209		373
210	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
211		375
212	=cut	376	=cut
213		377
214	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
216	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
217	}	443	}
218		444
219	=item cf::lock_wait $string	445	=item cf::lock_wait $string
220		446
221	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
222		448
223	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
224		450
225	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
228	returned.	454	returned.
229		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
230	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
232		461
233	=cut	462	=item $locked = cf::lock_active $string
234		463
235	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
236		469
237	sub lock_wait($) {	470	sub lock_wait($) {
238	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	472	}
246		473
247	sub lock_acquire($) {	474	sub lock_acquire($) {
248	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
249		477
250	# wait, to be sure we are not locked	478	sub lock_active($) {
251	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	480	}
260		481
261	sub freeze_mainloop {	482	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
263		484
264	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	486	}
266	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
267	};	556	}
268	$WRITE_RUNTIME_WATCHER->stop;	557	};
269	$TICK_WATCHER->stop;	558
270	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
288		590
289	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		662
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
352	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
353		667
354	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		669
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
359	and return;	671	reset_signals;
		672	}
360		673
361	aio_fsync $fh	674	sub fork_call(&@) {
362	and return;	675	my ($cb, @args) = @_;
363		676
364	close $fh	677	# we seemingly have to make a local copy of the whole thing,
365	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
367	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
368	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
369		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
370	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	864	}
372		865
373	=back	866	=back
374		867
375	=cut	868	=cut
376		869
377	#############################################################################	870	#############################################################################
378		871
379	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
380		873
381	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
384		877
385	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	880	Deliantra).
388		881
389	=over 4	882	=over 4
390		883
391	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
392		885
…		…
436	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
437		930
438	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
440		933
441	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
443		936
444	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
445		938
446	=over 4	939	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
556		1049
557	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1054
562	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
564		1057
565	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
570		1063
571	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1066
574	} elsif (ref $type) {	1067	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
576		1069
577	} else {	1070	} else {
578	shift @arg;	1071	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
580	}	1073	}
581	}	1074	}
582	}	1075	}
583		1076
584	sub _object_attach {	1077	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
595	}	1088	}
596		1089
597	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
598	} else {	1091	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1093	}
601		1094
602	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
603	}	1096	}
604		1097
…		…
606	if (ref $_[0]) {	1099	if (ref $_[0]) {
607	_object_attach @_;	1100	_object_attach @_;
608	} else {	1101	} else {
609	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
610	}	1103	}
		1104	_recalc_want;
611	};	1105	};
612		1106
613	# all those should be optimised	1107	# all those should be optimised
614	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1113	reattach ($obj);
620	} else {	1114	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
622	}	1116	}
		1117	_recalc_want;
623	};	1118	};
624		1119
625	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
627		1122
…		…
642	";	1137	";
643	die if $@;	1138	die if $@;
644	}	1139	}
645		1140
646	our $override;	1141	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1143
649	sub override {	1144	sub override {
650	$override = 1;	1145	$override = 1;
651	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
652	}	1147	}
653		1148
654	sub do_invoke {	1149	sub do_invoke {
655	my $event = shift;	1150	my $event = shift;
656	my $callbacks = shift;	1151	my $callbacks = shift;
657		1152
658	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
659		1154
660	local $override;	1155	local $override;
661		1156
662	for (@$callbacks) {	1157	for (@$callbacks) {
663	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
664		1159
665	if ($@) {	1160	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1162	override;
669	}	1163	}
670		1164
671	return 1 if $override;	1165	return 1 if $override;
672	}	1166	}
673		1167
674	0	1168	0
675	}	1169	}
676		1170
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1172
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1174
681	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
682		1176
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1180
687	=back	1181	=back
688		1182
689	=cut	1183	=cut
690		1184
691	#############################################################################	1185	#############################################################################
692	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
693		1229
694	sub reattach {	1230	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1232	my ($obj) = @_;
697		1233
		1234	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1236
700	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
701		1238
702	@$registry = ();	1239	@$registry = ();
703		1240
…		…
708	for (@$attach) {	1245	for (@$attach) {
709	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
711	}	1248	}
712	} else {	1249	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1251	}
715	}	1252	}
716	}	1253	}
717		1254
718	cf::attachable->attach (	1255	cf::attachable->attach (
719	prio => -1000000,	1256	prio => -1000000,
720	on_instantiate => sub {	1257	on_instantiate => sub {
721	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
722		1259
723	$data = from_json $data;	1260	$data = decode_json $data;
724		1261
725	for (@$data) {	1262	for (@$data) {
726	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
727		1264
728	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1281	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
746		1283
747	sync_job {	1284	sync_job {
748	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
751		1290
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
756	close $fh;	1298	aio_close $fh;
757		1299
758	if (@$objs) {	1300	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
		1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
764	close $fh;	1309	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
766	}	1311	}
767	} else {	1312	} else {
768	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
769	}	1314	}
770		1315
771	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1320	} else {
773	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
774	}	1322	}
775	} else {	1323	} else {
776	aio_unlink $filename;	1324	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
778	}	1326	}
779	}	1327	};
780	}	1328	}
781		1329
782	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
784		1332
…		…
796	or return;	1344	or return;
797		1345
798	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
800	or return;	1348	or return;
		1349
801	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
802	}	1352	}
803		1353
		1354	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
806	return ($data, $av);	1359	($data, $av)
807	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
808		1367
809	#############################################################################	1368	#############################################################################
810	# command handling &c	1369	# command handling &c
811		1370
812	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1385	}
827		1386
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1388
830	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
831		1394
832	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
833	called.	1396	called.
834		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
835	=cut	1409	=cut
836		1410
837	sub register_extcmd {	1411	sub register_extcmd {
838	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
839		1413
840	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
841	}	1415	}
842		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
843	cf::player->attach (	1425	cf::player->attach (
844	on_command => sub {	1426	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
846		1428
847	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
848	or return;	1430	or return;
849		1431
…		…
854	cf::override;	1436	cf::override;
855	},	1437	},
856	on_extcmd => sub {	1438	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
858		1440
859	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1442
861	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
867	} else {	1458	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1460	}
870		1461
871	cf::override;	1462	cf::override;
872	},	1463	},
873	);	1464	);
874		1465
		1466	# "readahead" all extensions
875	sub load_extension {	1467	sub cache_extensions {
876	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
877		1469
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1473	}
903	die $@;
904	}	1474	};
905		1475
906	push @EXTS, $pkg;	1476	$grp
907	}	1477	}
908		1478
909	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
910	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1486	next unless -r $path;
912	eval {	1487
913	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
914	1	1551	}
915	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
916	}	1564	};
917	}	1565	}
918		1566
919	#############################################################################	1567	#############################################################################
920		1568
		1569	=back
		1570
921	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
922		1572
923	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
924		1574
925	=cut	1575	=cut
926		1576
927	package cf::player;	1577	package cf::player;
928		1578
…		…
930		1580
931	=head3 cf::player	1581	=head3 cf::player
932		1582
933	=over 4	1583	=over 4
934		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
935	=item cf::player::find $login	1599	=item cf::player::find $login
936		1600
937	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
938		1602
939	=cut	1603	=cut
940		1604
941	sub playerdir($) {	1605	sub playerdir($) {
942	cf::localdir	1606	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1608	}
948		1609
949	sub path($) {	1610	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1612
952	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
953	}	1614	}
954		1615
955	sub find_active($) {	1616	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
960		1621
961	sub exists($) {	1622	sub exists($) {
962	my ($login) = @_;	1623	my ($login) = @_;
963		1624
964	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
966	}	1627	}
967		1628
968	sub find($) {	1629	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1631	my $login = $_[0];
971		1632
972	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
973		1634
974	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
976	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
978	}	1652	}
979	}	1653	}
980	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
981		1668
982	sub save($) {	1669	sub save($) {
983	my ($pl) = @_;	1670	my ($pl) = @_;
984		1671
985	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
991		1678
992	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
994		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
995	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
996	Coro::cede;	1688	cf::cede_to_tick;
997	}	1689	}
998		1690
999	sub new($) {	1691	sub new($) {
1000	my ($login) = @_;	1692	my ($login) = @_;
1001		1693
…		…
1007	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1008		1700
1009	$self	1701	$self
1010	}	1702	}
1011		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1012	=item $pl->quit_character	1714	=item $pl->quit_character
1013		1715
1014	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1016		1718
1017	=cut	1719	=cut
1018		1720
1019	sub quit_character {	1721	sub quit_character {
1020	my ($pl) = @_;	1722	my ($pl) = @_;
1021		1723
		1724	my $name = $pl->ob->name;
		1725
1022	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1728
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1028	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1029		1737
1030	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1035	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1036	}	1764	}
1037		1765
1038	=item cf::player::list_logins	1766	=item cf::player::list_logins
1039		1767
1040	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1042		1770
1043	=cut	1771	=cut
1044		1772
1045	sub list_logins {	1773	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1775	or return [];
1048		1776
1049	my @logins;	1777	my @logins;
1050		1778
1051	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1055		1789
1056	utf8::decode $login;	1790	utf8::decode $login;
1057	push @logins, $login;	1791	push @logins, $login;
1058	}	1792	}
1059		1793
1060	\@logins	1794	\@logins
1061	}	1795	}
1062		1796
1063	=item $player->maps	1797	=item $player->maps
1064		1798
		1799	=item cf::player::maps $login
		1800
1065	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1066	player. May block.	1802	player. May block.
1067		1803
1068	=cut	1804	=cut
1069		1805
1070	sub maps($) {	1806	sub maps($) {
1071	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1810
1073	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1074	or return;	1812	or return;
1075		1813
1076	my @paths;	1814	my @paths;
…		…
1078	for (@$files) {	1816	for (@$files) {
1079	utf8::decode $_;	1817	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1082		1820
1083	s/\.map$//;	1821	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1822	}
1086		1823
1087	\@paths	1824	\@paths
1088	}	1825	}
1089		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1091		1832
1092	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1093		1834
1094	=cut	1835	=cut
1095		1836
1096	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1098		1839
1099	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1841	}
1103		1842
1104	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1105		1885
1106	=back	1886	=back
1107
1108		1887
1109	=head3 cf::map	1888	=head3 cf::map
1110		1889
1111	=over 4	1890	=over 4
1112		1891
…		…
1124	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1126		1905
1127	sub generate_random_map {	1906	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1130	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1912	}
1144		1913
1145	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1146		1915
1147	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1152		1921
1153	sub register {	1922	sub register {
1154	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1924	my $pkg = caller;
1156		1925
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1927
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1929	}
1162		1930
1163	# also paths starting with '/'	1931	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1933
1166	sub thawer_merge {	1934	sub thawer_merge {
1167	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1168		1936
1169	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1170	local $self->{path};	1938	local $self->{path};
1171	local $self->{load_path};	1939	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1940
1175	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1176	}	1942	}
1177		1943
1178	sub normalise {	1944	sub normalise {
1179	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1180		1946
1181	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
		1948
		1949	$path =~ s/\.map$//;
1182		1950
1183	# map plan:	1951	# map plan:
1184	#	1952	#
1185	# /! non-realised random map exit (special hack!)	1953	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1968	$path = "$base/$path";
1201	}	1969	}
1202		1970
1203	for ($path) {	1971	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1207	}	1974	}
1208		1975
1209	$path	1976	$path
…		…
1223	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1224	return $self;	1991	return $self;
1225	}	1992	}
1226	}	1993	}
1227		1994
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	1996	()
1230	}	1997	}
1231		1998
		1999	# may re-bless or do other evil things
1232	sub init {	2000	sub init {
1233	my ($self) = @_;	2001	my ($self) = @_;
1234		2002
1235	$self	2003	$self
1236	}	2004	}
…		…
1248		2016
1249	# the original (read-only) location	2017	# the original (read-only) location
1250	sub load_path {	2018	sub load_path {
1251	my ($self) = @_;	2019	my ($self) = @_;
1252		2020
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1254	}	2022	}
1255		2023
1256	# the temporary/swap location	2024	# the temporary/swap location
1257	sub save_path {	2025	sub save_path {
1258	my ($self) = @_;	2026	my ($self) = @_;
1259		2027
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1262	}	2030	}
1263		2031
1264	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1265	sub uniq_path {	2033	sub uniq_path {
1266	my ($self) = @_;	2034	my ($self) = @_;
1267		2035
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1270	}	2038	}
1271		2039
1272	# and all this just because we cannot iterate over	2040	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2041	my ($self) = @_;
1276		2042
1277	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1279	}	2046	}
1280		2047
1281	sub unlink_save {	2048	sub unlink_save {
1282	my ($self) = @_;	2049	my ($self) = @_;
1283		2050
…		…
1288		2055
1289	sub load_header_from($) {	2056	sub load_header_from($) {
1290	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1291		2058
1292	utf8::encode $path;	2059	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1294	or return;	2061	or return;
1295		2062
1296	$self->_load_header ($path)	2063	$self->_load_header ($f)
1297	or return;	2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1298		2068
1299	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1300		2070
1301	1	2071	1
1302	}	2072	}
…		…
1341	$self->load_header_orig	2111	$self->load_header_orig
1342	or return;	2112	or return;
1343	$self->prepare_orig;	2113	$self->prepare_orig;
1344	}	2114	}
1345		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1346	1	2122	1
1347	}	2123	}
1348		2124
1349	sub find;	2125	sub find;
1350	sub find {	2126	sub find {
1351	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1352		2128
		2129	cf::cede_to_tick;
		2130
1353	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1354		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2135
1357	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1360	or return;	2138	or return;
1361		2139
1362	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1363		2141
1364	$map->load_header	2142	$map->load_header
1365	or return;	2143	or return;
1366		2144
1367	if ($map->should_reset) {	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1370	$map->reset;	2150	$map->reset;
1371	undef $guard;
1372	return find $path;	2151	return find $path;
1373	}	2152	}
1374		2153
1375	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1376	}	2155	}
1377	}	2156	}
1378		2157
1379	sub pre_load { }	2158	sub pre_load { }
1380	sub post_load { }	2159	#sub post_load { } # XS
1381		2160
1382	sub load {	2161	sub load {
1383	my ($self) = @_;	2162	my ($self) = @_;
1384		2163
		2164	local $self->{deny_reset} = 1; # loading can take a long time
		2165
1385	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1387		2170
		2171	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2173
1390	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1391		2175
1392	$self->alloc;	2176	$self->alloc;
1393		2177
1394	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1395		2180
1396	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1397	or return;	2185	or return;
1398		2186
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1400	if delete $self->{load_original};	2188	if delete $self->{load_original};
1401		2189
1402	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2191	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2194	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1407	}	2199	}
1408	}
1409		2200
1410	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1411		2203
		2204	cf::cede_to_tick;
1412	# now do the right thing for maps	2205	# now do the right thing for maps
1413	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2208	unless $self->difficulty;
1423	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1424	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2223	}
1426		2224
1427	$self->post_load;	2225	$self->post_load;
1428		2226
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1430	}	2228	}
1431		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2233	sub customise_for {
1433	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1434		2235
1435	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2237	if $self->per_player;
1437		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1438	$self	2242	$self
1439	}	2243	}
1440		2244
1441	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2246	sub load_neighbours {
1443	my ($map) = @_;	2247	my ($map) = @_;
1444		2248
1445	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1446		2250
1447	for (0 .. 3) {	2251	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1449	or next;	2253	or next;
1450	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1451	or next;	2255	or next;
1452	$neigh->load;	2256	$neigh->load;
1453		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2262	}
1457		2263
1458	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1460	or next;	2267	or next;
1461	$neigh->load;	2268	$neigh->load;
1462	}	2269	}
1463	}	2270	}
1464		2271
1465	sub find_sync {	2272	sub find_sync {
1466	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1467		2274
1468	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1469	}	2279	}
1470		2280
1471	sub do_load_sync {	2281	sub do_load_sync {
1472	my ($map) = @_;	2282	my ($map) = @_;
1473		2283
1474	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1475	}	2288	}
1476		2289
1477	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1479		2292
1480	sub find_async {	2293	sub find_async {
1481	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1482		2295
1483	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1484		2297
1485	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2300	}
1488		2301
1489	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1490	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1491	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2309	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2310	$map->load if $v;
		2311	}
1496		2312
1497	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1498	}	2314	}
1499	}	2315	}
1500	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1501	};	2317	};
1502	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1503		2319
1504	()	2320	()
1505	}	2321	}
1506		2322
		2323	# common code, used by both ->save and ->swapout
1507	sub save {	2324	sub _save {
1508	my ($self) = @_;	2325	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2326
1512	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1513		2328
1514	return unless $self->dirty;	2329	return unless $self->dirty;
1515		2330
…		…
1521	return if $self->{deny_save};	2336	return if $self->{deny_save};
1522		2337
1523	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1524		2339
1525	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1527	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1528		2346
1529	if ($uniq) {	2347	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2350	} else {
1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534	}	2352	}
1535	}	2353	}
1536		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1537	sub swap_out {	2363	sub swap_out {
1538	my ($self) = @_;	2364	my ($self) = @_;
1539		2365
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1545	return if $self->players;	2370	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1549	$self->clear;	2381	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2382	}
1552		2383
1553	sub reset_at {	2384	sub reset_at {
1554	my ($self) = @_;	2385	my ($self) = @_;
1555		2386
1556	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1559		2389
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2392
…		…
1573	my ($self) = @_;	2403	my ($self) = @_;
1574		2404
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2406
1577	return if $self->players;	2407	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2408
1580	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
		2410
		2411	$self->in_memory (cf::MAP_SWAPPED);
		2412
		2413	# need to save uniques path
		2414	unless ($self->{deny_save}) {
		2415	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2416
		2417	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2418	if $uniq;
		2419	}
1581		2420
1582	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1583		2422
1584	$self->in_memory (cf::MAP_SWAPPED);	2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2425	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2426
1589	$self->unlink_save;	2427	$self->unlink_save;
1590	$self->destroy;	2428	$self->destroy;
1591	}	2429	}
1592		2430
1593	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1594		2432
1595	sub nuke {	2433	sub nuke {
1596	my ($self) = @_;	2434	my ($self) = @_;
1597		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1598	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1599		2440
1600	$self->unlink_save;	2441	$self->unlink_save;
1601		2442
1602	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2448
1608	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1609		2451
1610	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1611	}	2489	}
1612		2490
1613	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1614		2492
1615	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2494	instantiated unique items. May block.
1617		2495
1618	=cut	2496	=cut
1619		2497
1620	sub unique_maps() {	2498	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1622	or return;	2500	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2501	utf8::decode $_;
1628	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
		2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
		2507	]
		2508	}
1630		2509
		2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
1631	s/\.map$//;	2531	s/\.map$// or next;
1632	push @paths, $_;	2532	utf8::decode $_;
1633	}	2533	push @maps, "$dir/$_";
		2534	}
1634		2535
1635	\@paths	2536	push @dirs, map "$dir/$_", @$dirs;
1636	}	2537	}
1637		2538
1638	package cf;	2539	\@maps
		2540	}
1639		2541
1640	=back	2542	=back
1641		2543
1642	=head3 cf::object	2544	=head3 cf::object
1643		2545
…		…
1647		2549
1648	=over 4	2550	=over 4
1649		2551
1650	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1651		2553
1652	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1653		2556
1654	=cut	2557	=cut
1655		2558
1656	sub inv_recursive_;	2559	sub inv_recursive_;
1657	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1660		2563
1661	sub inv_recursive {	2564	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1663	}	2566	}
1664		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1665	package cf;	2596	package cf;
1666		2597
1667	=back	2598	=back
1668		2599
1669	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1678		2609
1679	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1680		2625
1681	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2627	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1686		2631
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2633
1689	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1691	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1694	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1695	}	2659	}
1696		2660
1697	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1698		2662
1699	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1712		2676
1713	=item $player_object->enter_link	2677	=item $player_object->enter_link
1714		2678
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2680
1717	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1719		2685
1720	Will never block.	2686	Will never block.
1721		2687
1722	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1723		2689
…		…
1731	=cut	2697	=cut
1732		2698
1733	sub link_map {	2699	sub link_map {
1734	unless ($LINK_MAP) {	2700	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2701	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2702	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2703	$LINK_MAP->load;
1738	}	2704	}
1739		2705
1740	$LINK_MAP	2706	$LINK_MAP
1741	}	2707	}
…		…
1743	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2710	my ($self) = @_;
1745		2711
1746	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1747		2713
		2714	++$self->{_link_recursion};
		2715
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2717
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1752		2720
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2722	}
1755		2723
1756	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1758		2728
1759	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1760		2730
1761	unless ($map) {	2731	unless ($map) {
1762	# restore original map position	2732	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1775		2745
1776	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1779		2749
1780	$map->load;	2750	$map->load;
1781	$map->load_diag;	2751	$map->load_neighbours;
1782		2752
1783	return unless $self->contr->active;	2753	return unless $self->contr->active;
		2754
		2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2756	if ($self->enter_map ($map, $x, $y)) {
		2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2760	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2761	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2762
1802	# try to abort aborted map switching on player login :)	2763	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2764
1820	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1822	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1823		2779
1824	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2791
1827	$self->enter_link;	2792	$self->enter_link;
1828		2793
1829	(async {	2794	(async {
1830	my $map = cf::map::find $path;	2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
		2816	my $map = eval {
		2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
1832		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2822	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
1837		2825
		2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
		2832	}
		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1839	})->prio (1);	2840	})->prio (1);
1840	}	2841	}
1841		2842
1842	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1843		2844
…		…
1863	}	2864	}
1864		2865
1865	sub prepare_random_map {	2866	sub prepare_random_map {
1866	my ($exit) = @_;	2867	my ($exit) = @_;
1867		2868
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2871	# that depends on the exit object
1873		2872
1874	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
1875		2874
1876	if ($exit->map) {	2875	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2876	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1881	}	2882	}
1882		2883
1883	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1884		2885
1885	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1888		2889
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2892	undef $fh;
1892	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1893		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1896	}	2901	}
1897	}	2902	}
1898		2903
1899	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1903		2908
1904	$self->enter_link;	2909	$self->enter_link;
1905		2910
1906	(async {	2911	(async {
1907	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1908	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
1909	prepare_random_map $exit	2921	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2922	if $exit->slaying eq "/!";
		2923	}
1911		2924
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
1914		2928
		2929	$self->goto ($map, $x, $y);
		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1915	1;	2935	1
1916	}) {	2936	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2941
1922	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2943	$self->leave_link;
1924	}	2944	}
1925	})->prio (1);	2945	})->prio (1);
1926	}	2946	}
1927		2947
…		…
1938		2958
1939	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
1941		2961
1942	utf8::encode $text;	2962	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2964	}
1945		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
		3153	=item $client->ext_msg ($type, @msg)
		3154
		3155	Sends an ext event to the client.
		3156
		3157	=cut
		3158
		3159	sub cf::client::ext_msg($$@) {
		3160	my ($self, $type, @msg) = @_;
		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
		3165	push @msg, msgtype => "event_$type";
		3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
		3186	}
1946		3187
1947	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
1948		3189
1949	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		3193
1953	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	3195	become reliable at some point in the future.
1955		3196
1956	=cut	3197	=cut
1957		3198
1958	sub cf::client::query {	3199	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3208	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3210
1970	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
1972	}	3215	}
1973		3216
1974	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
1975	on_reply => sub {	3223	on_reply => sub {
1976	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
1977		3225
1978	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
1979	# get handled first	3227	# get handled first
1980	my $queue = delete $ns->{query_queue}	3228	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3229	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3230
1983	(shift @$queue)->[1]->($msg);	3231	(shift @$queue)->[1]->($msg);
		3232	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3233
1985	push @{ $ns->{query_queue} }, @$queue;	3234	push @{ $ns->{query_queue} }, @$queue;
1986		3235
1987	if (@{ $ns->{query_queue} } == @$queue) {	3236	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3237	if (@$queue) {
…		…
1990	} else {	3239	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3241	}
1993	}	3242	}
1994	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
1995	);	3270	);
1996		3271
1997	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
1998		3273
1999	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3290
2016	$coro	3291	$coro
2017	}	3292	}
2018		3293
2019	cf::client->attach (	3294	cf::client->attach (
2020	on_destroy => sub {	3295	on_client_destroy => sub {
2021	my ($ns) = @_;	3296	my ($ns) = @_;
2022		3297
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3299	},
2025	);	3300	);
…		…
2040	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2042		3317
2043	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2044		3319
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2046		3325
2047	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2048		3327
2049	=pod	3328	=pod
2050		3329
2051	The following fucntions and emthods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2052		3331
2053	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2054	cf::object::player player	3337	cf::object::player
2055	cf::player peaceful	3338	player
2056	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2057		3345
2058	=cut	3346	=cut
2059		3347
2060	for (	3348	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2062	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2065	) {	3355	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3358	for @funs;
2070	}	3359	}
2071		3360
…		…
2086		3375
2087	my $qcode = $code;	3376	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2090		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2091	local $_;	3383	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3384
2094	my $eval =	3385	my $eval =
2095	"do {\n"	3386	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3389	. $code
2099	. "\n}"	3390	. "\n}"
2100	;	3391	;
2101		3392
		3393	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2105		3402
2106	if ($@) {	3403	if ($@) {
2107	warn "$@";	3404	warn "$@",
2108	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2110	}	3407	}
2111		3408
2112	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2113	}	3410	}
2114		3411
…		…
2128	=cut	3425	=cut
2129		3426
2130	sub register_script_function {	3427	sub register_script_function {
2131	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2132		3429
2133	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2135	}	3432	}
2136		3433
2137	=back	3434	=back
2138		3435
2139	=cut	3436	=cut
2140		3437
2141	#############################################################################	3438	#############################################################################
		3439	# the server's init and main functions
2142		3440
2143	=head2 EXTENSION DATABASE SUPPORT	3441	sub load_facedata($) {
		3442	my ($path) = @_;
2144		3443
2145	Crossfire maintains a very simple database for extension use. It can	3444	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3445	# for this (global event?)
2147	excludes objects.	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3447
2149	The parameter C<$family> should best start with the name of the extension	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3449
2152	=over 4	3450	trace "loading facedata from $path\n";
2153		3451
2154	=item $hashref = cf::db_get $family	3452	my $facedata = decode_storable load_file $path;
2155		3453
2156	Return a hashref for use by the extension C<$family>, which can be	3454	$facedata->{version} == 2
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2158	C<cf::db_sync>.
2159		3456
2160	=item $value = cf::db_get $family => $key	3457	# patch in the exptable
2161		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2162	Returns a single value from the database	3459	$facedata->{resource}{"res/exp_table"} = {
2163		3460	type => FT_RSRC,
2164	=item cf::db_put $family => $hashref	3461	data => $exp_table,
2165		3462	hash => (Digest::MD5::md5 $exp_table),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3463	};
		3464	cf::cede_to_tick;
2192		3465
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3466	{
		3467	my $faces = $facedata->{faceinfo};
2204		3468
2205	my $dirty;	3469	while (my ($face, $info) = each %$faces) {
		3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3471
2207	sub db_sync() {	3472	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3473	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211		3477
2212	my $idle = Event->idle (	3478	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3479	}
2246	);
2247	}
2248		3480
2249	#############################################################################	3481	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3482	next unless $info->{smooth};
2251		3483
2252	sub cfg_load {	3484	my $idx = cf::face::find $face
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3485	or next;
2254	or return;
2255		3486
2256	local $/;	3487	if (my $smooth = cf::face::find $info->{smooth}) {
2257	*CFG = YAML::Syck::Load <$fh>;	3488	cf::face::set_smooth $idx, $smooth;
		3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3490	} else {
		3491	error "smooth face '$info->{smooth}' not found for face '$face'";
		3492	}
2258		3493
		3494	cf::cede_to_tick;
		3495	}
		3496	}
		3497
		3498	{
		3499	my $anims = $facedata->{animinfo};
		3500
		3501	while (my ($anim, $info) = each %$anims) {
		3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3503	cf::cede_to_tick;
		3504	}
		3505
		3506	cf::anim::invalidate_all; # d'oh
		3507	}
		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
		3528	1
		3529	}
		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
		3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
		3561	}
		3562
		3563	sub reload_facedata {
		3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
		3598	sub reload_resources {
		3599	trace "reloading resource files...\n";
		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
		3606	reload_regions;
		3607	reload_treasures;
		3608
		3609	trace "finished reloading resource files\n";
		3610	}
		3611
		3612	sub reload_config {
		3613	trace "reloading config file...\n";
		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3620
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3623
2264	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2268	};	3628	};
2269	warn $@ if $@;	3629	warn $@ if $@;
2270	}	3630	}
2271	}	3631	}
2272		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2273	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2274	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3674	(async {
2278	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2280	};	3678	};
2281		3679
2282	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
		3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2284	load_extensions;	3703	load_extensions;
2285		3704
2286	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2287	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2288	}	3723	}
2289		3724
2290	#############################################################################	3725	#############################################################################
2291	# initialisation and cleanup	3726	# initialisation and cleanup
2292		3727
2293	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2294	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2303	},
2304	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2305	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2306	}	3824	}
2307		3825
2308	sub emergency_save() {	3826	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2310		3828
2311	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2312		3835
2313	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2314	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3847	$pl->save;
2322	}	3848	}
2323	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2324		3850
2325	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3856	$map->valid or next;
2329	$map->save;	3857	$map->save;
2330	}	3858	}
2331	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
		3864	BDB::db_env_txn_checkpoint $DB_ENV;
		3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3889	};
2333		3890
2334	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2335	}	3892	}
2336		3893
		3894	sub post_cleanup {
		3895	my ($make_core) = @_;
		3896
		3897	IO::AIO::flush;
		3898
		3899	error Carp::longmess "post_cleanup backtrace"
		3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2337	sub reload() {	3931	sub do_reload_perl() {
2338	# can/must only be called in main	3932	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2340	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2341	return;	3935	return;
2342	}	3936	}
2343		3937
2344	warn "reloading...";	3938	return if $RELOAD++;
2345		3939
2346	warn "cancelling server ticker";	3940	my $t1 = AE::time;
2347	$TICK_WATCHER->cancel;
2348		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
		3948	cf::sync_job {
2349	cf::emergency_save;	3949	#cf::emergency_save;
2350		3950
2351	eval {
2352	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";
2363	for (;;) {
2364	IO::AIO::flush;
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3953	%EXT_CORO = ();
2373		3954
2374	warn "removing commands";	3955	trace "perl_reload: removing commands";
2375	%COMMAND = ();	3956	%COMMAND = ();
2376		3957
2377	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2378	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2379		3961
2380	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2383		3965
2384	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2385	eval {	3967	eval {
2386	$cb->($pkg);	3968	$cb->($pkg);
2387	1	3969	1
2388	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2389	}	3975	}
2390		3976
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3980
2399	warn "... unloading $k";	3981	trace "... unloading $k";
2400	delete $INC{$k};	3982	delete $INC{$k};
2401		3983
2402	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2404		3986
2405	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2407	}	3992	}
2408		3993
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3997
2416	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		4001
2419	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2420	# and global variables created in xs	4003	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2422		4005
2423	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2424		4007
2425	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2426	require cf;	4009	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2428		4011
2429	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2430	cf::cfg_load;	4013	cf::reload_config;
2431	cf::db_load;
2432		4014
2433	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2434	cf::load_extensions;	4016	cf::load_extensions;
2435		4017
		4018	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2437	_global_reattach;	4020	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2439	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
		4023	trace "perl_reload: reattaching attachments to players";
		4024	reattach $_ for values %PLAYER;
		4025	}
2440		4026
2441	warn "restarting server ticker";	4027	cf::_post_init 1;
2442		4028
2443	$TICK_WATCHER->start;	4029	trace "perl_reload: leaving sync_job";
		4030
		4031	1
		4032	} or do {
		4033	error $@;
		4034	cf::cleanup "perl_reload: error, exiting.";
		4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2444	};	4057	};
2445		4058	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4059
2457	register_command "reload" => sub {	4060	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2459		4062
2460	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2462		4065	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	4067	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4068	};
2475	}	4069	}
2476	};	4070	};
2477		4071
2478	unshift @INC, $LIBDIR;	4072	#############################################################################
2479		4073
2480	my $bug_warning = 0;	4074	my $bug_warning = 0;
2481		4075
2482	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2483	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	4078
2485	prio => 0,	4079	sub wait_for_tick() {
2486	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	4081
2488	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2489	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2492	return;	4099	return;
2493	}	4100	}
2494		4101
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		4103
2501	$WAIT_FOR_TICK->broadcast;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4105
2504	Event::sweep;	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2505	Coro::cede_notself;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
		4110	write_runtime_sync
		4111	or error "ERROR: unable to write runtime file: $!";
		4112	};
		4113	}
		4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
2506		4130	}
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},	4131	}
2516	);	4132	}
2517		4133
		4134	{
		4135	# configure BDB
		4136
		4137	BDB::min_parallel 16;
		4138	BDB::max_poll_reqs $TICK * 0.1;
		4139	$AnyEvent::BDB::WATCHER->priority (1);
		4140
		4141	unless ($DB_ENV) {
		4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4148
		4149	cf::sync_job {
		4150	eval {
		4151	BDB::db_env_open
		4152	$DB_ENV,
		4153	$BDBDIR,
		4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4156	0666;
		4157
		4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4159	};
		4160
		4161	cf::cleanup "db_env_open(db): $@" if $@;
		4162	};
		4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
		4174	}
		4175
		4176	{
		4177	# configure IO::AIO
		4178
		4179	IO::AIO::min_parallel 8;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
		4181	undef $AnyEvent::AIO::WATCHER;
		4182	}
2519		4183
2520	undef $Coro::AIO::WATCHER;	4184	our $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (	4185	our $_log_backtrace_last;
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529		4186
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4187	sub _log_backtrace {
2531	reentrant => 0,	4188	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4189
2533	after => 1,	4190	$msg =~ s/\n$//;
2534	interval => 10,	4191
2535	prio => 6, # keep it lowest so it acts like a watchdog	4192	if ($_log_backtrace_last eq $msg) {
2536	cb => Coro::unblock_sub {	4193	LOG llevInfo, "[ABT] $msg\n";
2537	write_runtime	4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2538	or warn "ERROR: unable to write runtime file: $!";	4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2539	},	4228	}
2540	);	4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2541		4234
2542	END { cf::emergency_save }	4235	END { cf::emergency_save }
2543		4236
2544	1	4237	1
2545		4238

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