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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 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 3.5 ();	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	}
916	}	1562	};
917	}	1563	}
918		1564
919	#############################################################################	1565	#############################################################################
920		1566
		1567	=back
		1568
921	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
922		1570
923	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
924		1572
925	=cut	1573	=cut
926		1574
927	package cf::player;	1575	package cf::player;
928		1576
…		…
930		1578
931	=head3 cf::player	1579	=head3 cf::player
932		1580
933	=over 4	1581	=over 4
934		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
935	=item cf::player::find $login	1597	=item cf::player::find $login
936		1598
937	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
938		1600
939	=cut	1601	=cut
940		1602
941	sub playerdir($) {	1603	sub playerdir($) {
942	cf::localdir	1604	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1606	}
948		1607
949	sub path($) {	1608	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1610
952	(playerdir $login) . "/$login.pl"	1611	(playerdir $login) . "/playerdata"
953	}	1612	}
954		1613
955	sub find_active($) {	1614	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1615	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1616	and $cf::PLAYER{$_[0]}->active
…		…
960		1619
961	sub exists($) {	1620	sub exists($) {
962	my ($login) = @_;	1621	my ($login) = @_;
963		1622
964	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
966	}	1625	}
967		1626
968	sub find($) {	1627	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1629	my $login = $_[0];
971		1630
972	my $guard = cf::lock_acquire "user_find:$login";	1631	my $guard = cf::lock_acquire "user_find:$login";
973		1632
974	$cf::PLAYER{$_[0]} || do {	1633	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1634	# rename old playerfiles to new ones
		1635	#TODO: remove when no longer required
		1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1639	aio_unlink +(playerdir $login) . "/$login.pl";
		1640
		1641	my $f = new_from_file cf::object::thawer path $login
976	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
978	}	1650	}
979	}	1651	}
980	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
981		1666
982	sub save($) {	1667	sub save($) {
983	my ($pl) = @_;	1668	my ($pl) = @_;
984		1669
985	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
991		1676
992	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
994		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
995	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
996	Coro::cede;	1686	cf::cede_to_tick;
997	}	1687	}
998		1688
999	sub new($) {	1689	sub new($) {
1000	my ($login) = @_;	1690	my ($login) = @_;
1001		1691
…		…
1007	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1008		1698
1009	$self	1699	$self
1010	}	1700	}
1011		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1012	=item $pl->quit_character	1712	=item $pl->quit_character
1013		1713
1014	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1016		1716
1017	=cut	1717	=cut
1018		1718
1019	sub quit_character {	1719	sub quit_character {
1020	my ($pl) = @_;	1720	my ($pl) = @_;
1021		1721
		1722	my $name = $pl->ob->name;
		1723
1022	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1726
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1028	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1029		1735
1030	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1739	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1740	$pl->destroy;
		1741
		1742	my $prefix = qr<^~\Q$name\E/>;
		1743
		1744	# nuke player maps
		1745	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1746
1035	IO::AIO::aio_rmtree $temp;	1747	IO::AIO::aio_rmtree $temp;
		1748	}
		1749
		1750	=item $pl->kick
		1751
		1752	Kicks a player out of the game. This destroys the connection.
		1753
		1754	=cut
		1755
		1756	sub kick {
		1757	my ($pl, $kicker) = @_;
		1758
		1759	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1760	$pl->killer ("kicked");
		1761	$pl->ns->destroy;
1036	}	1762	}
1037		1763
1038	=item cf::player::list_logins	1764	=item cf::player::list_logins
1039		1765
1040	Returns am arrayref of all valid playernames in the system, can take a	1766	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1042		1768
1043	=cut	1769	=cut
1044		1770
1045	sub list_logins {	1771	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1773	or return [];
1048		1774
1049	my @logins;	1775	my @logins;
1050		1776
1051	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1055		1787
1056	utf8::decode $login;	1788	utf8::decode $login;
1057	push @logins, $login;	1789	push @logins, $login;
1058	}	1790	}
1059		1791
1060	\@logins	1792	\@logins
1061	}	1793	}
1062		1794
1063	=item $player->maps	1795	=item $player->maps
1064		1796
		1797	=item cf::player::maps $login
		1798
1065	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1066	player. May block.	1800	player. May block.
1067		1801
1068	=cut	1802	=cut
1069		1803
1070	sub maps($) {	1804	sub maps($) {
1071	my ($pl) = @_;	1805	my ($pl) = @_;
		1806
		1807	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1808
1073	my $files = aio_readdir playerdir $pl	1809	my $files = aio_readdir playerdir $pl
1074	or return;	1810	or return;
1075		1811
1076	my @paths;	1812	my @paths;
…		…
1078	for (@$files) {	1814	for (@$files) {
1079	utf8::decode $_;	1815	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1816	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1817	next unless /^$PATH_SEP/o;
1082		1818
1083	s/\.map$//;	1819	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1820	}
1086		1821
1087	\@paths	1822	\@paths
1088	}	1823	}
1089		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1091		1830
1092	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1093		1832
1094	=cut	1833	=cut
1095		1834
1096	sub ext_reply($$$%) {	1835	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1098		1837
1099	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1839	}
1103		1840
1104	package cf;	1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		1848	my ($self, $type, @msg) = @_;
		1849
		1850	$self->ns->ext_msg ($type, @msg);
		1851	}
		1852
		1853	=head3 cf::region
		1854
		1855	=over 4
		1856
		1857	=cut
		1858
		1859	package cf::region;
		1860
		1861	=item cf::region::find_by_path $path
		1862
		1863	Tries to decuce the likely region for a map knowing only its path.
		1864
		1865	=cut
		1866
		1867	sub find_by_path($) {
		1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
		1872	my ($match, $specificity);
		1873
		1874	for my $region (list) {
		1875	if ($region->{match} && $path =~ $region->{match}) {
		1876	($match, $specificity) = ($region, $region->specificity)
		1877	if $region->specificity > $specificity;
		1878	}
		1879	}
		1880
		1881	$match
		1882	}
1105		1883
1106	=back	1884	=back
1107
1108		1885
1109	=head3 cf::map	1886	=head3 cf::map
1110		1887
1111	=over 4	1888	=over 4
1112		1889
…		…
1124	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1126		1903
1127	sub generate_random_map {	1904	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1130	$self->_create_random_map (	1909	$self->_create_random_map ($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}), $rmp->{custom}
1142	)
1143	}	1910	}
1144		1911
1145	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1146		1913
1147	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1152		1919
1153	sub register {	1920	sub register {
1154	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1922	my $pkg = caller;
1156		1923
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1925
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1927	}
1162		1928
1163	# also paths starting with '/'	1929	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1931
1166	sub thawer_merge {	1932	sub thawer_merge {
1167	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1168		1934
1169	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1170	local $self->{path};	1936	local $self->{path};
1171	local $self->{load_path};	1937	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1938
1175	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1176	}	1940	}
1177		1941
1178	sub normalise {	1942	sub normalise {
1179	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1180		1944
1181	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
		1946
		1947	$path =~ s/\.map$//;
1182		1948
1183	# map plan:	1949	# map plan:
1184	#	1950	#
1185	# /! non-realised random map exit (special hack!)	1951	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1952	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1966	$path = "$base/$path";
1201	}	1967	}
1202		1968
1203	for ($path) {	1969	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1207	}	1972	}
1208		1973
1209	$path	1974	$path
…		…
1223	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1224	return $self;	1989	return $self;
1225	}	1990	}
1226	}	1991	}
1227		1992
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	1994	()
1230	}	1995	}
1231		1996
1232	sub init {	1997	sub init {
1233	my ($self) = @_;	1998	my ($self) = @_;
…		…
1248		2013
1249	# the original (read-only) location	2014	# the original (read-only) location
1250	sub load_path {	2015	sub load_path {
1251	my ($self) = @_;	2016	my ($self) = @_;
1252		2017
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1254	}	2019	}
1255		2020
1256	# the temporary/swap location	2021	# the temporary/swap location
1257	sub save_path {	2022	sub save_path {
1258	my ($self) = @_;	2023	my ($self) = @_;
1259		2024
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1262	}	2027	}
1263		2028
1264	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1265	sub uniq_path {	2030	sub uniq_path {
1266	my ($self) = @_;	2031	my ($self) = @_;
1267		2032
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1270	}	2035	}
1271		2036
1272	# and all this just because we cannot iterate over	2037	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2038	my ($self) = @_;
1276		2039
1277	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1279	}	2043	}
1280		2044
1281	sub unlink_save {	2045	sub unlink_save {
1282	my ($self) = @_;	2046	my ($self) = @_;
1283		2047
…		…
1288		2052
1289	sub load_header_from($) {	2053	sub load_header_from($) {
1290	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1291		2055
1292	utf8::encode $path;	2056	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1294	or return;	2058	or return;
1295		2059
1296	$self->_load_header ($path)	2060	$self->_load_header ($f)
1297	or return;	2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1298		2065
1299	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1300		2067
1301	1	2068	1
1302	}	2069	}
…		…
1341	$self->load_header_orig	2108	$self->load_header_orig
1342	or return;	2109	or return;
1343	$self->prepare_orig;	2110	$self->prepare_orig;
1344	}	2111	}
1345		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
		2116	$self->default_region (cf::region::find_by_path $self->{path})
		2117	unless $self->default_region;
		2118
1346	1	2119	1
1347	}	2120	}
1348		2121
1349	sub find;	2122	sub find;
1350	sub find {	2123	sub find {
1351	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1352		2125
		2126	cf::cede_to_tick;
		2127
1353	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1354		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2132
1357	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1360	or return;	2135	or return;
1361		2136
1362	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1363		2138
1364	$map->load_header	2139	$map->load_header
1365	or return;	2140	or return;
1366		2141
1367	if ($map->should_reset) {	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1370	$map->reset;	2147	$map->reset;
1371	undef $guard;
1372	return find $path;	2148	return find $path;
1373	}	2149	}
1374		2150
1375	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1376	}	2152	}
1377	}	2153	}
1378		2154
1379	sub pre_load { }	2155	sub pre_load { }
1380	sub post_load { }	2156	#sub post_load { } # XS
1381		2157
1382	sub load {	2158	sub load {
1383	my ($self) = @_;	2159	my ($self) = @_;
1384		2160
		2161	local $self->{deny_reset} = 1; # loading can take a long time
		2162
1385	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1387		2167
		2168	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2170
1390	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1391		2172
1392	$self->alloc;	2173	$self->alloc;
1393		2174
1394	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1395		2177
1396	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1397	or return;	2181	or return;
1398		2182
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1400	if delete $self->{load_original};	2184	if delete $self->{load_original};
1401		2185
1402	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2187	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2190	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1407	}	2194	}
1408	}	2195	}
1409		2196
1410	Coro::cede;	2197	$f->resolve_delayed_derefs;
1411		2198
		2199	cf::cede_to_tick;
1412	# now do the right thing for maps	2200	# now do the right thing for maps
1413	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1414
1415	unless ($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)	2202	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2203	unless $self->difficulty;
1423	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1424	$self->activate;	2211	$self->activate;
		2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2218	}
1426		2219
1427	$self->post_load;	2220	$self->post_load;
1428		2221
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1430	}	2223	}
1431		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2228	sub customise_for {
1433	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1434		2230
1435	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2232	if $self->per_player;
1437		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1438	$self	2237	$self
1439	}	2238	}
1440		2239
1441	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2241	sub load_neighbours {
1443	my ($map) = @_;	2242	my ($map) = @_;
1444		2243
1445	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1446		2245
1447	for (0 .. 3) {	2246	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1449	or next;	2248	or next;
1450	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1451	or next;	2250	or next;
1452	$neigh->load;	2251	$neigh->load;
1453		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2257	}
1457		2258
1458	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1460	or next;	2262	or next;
1461	$neigh->load;	2263	$neigh->load;
1462	}	2264	}
1463	}	2265	}
1464		2266
1465	sub find_sync {	2267	sub find_sync {
1466	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1467		2269
1468	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1469	}	2274	}
1470		2275
1471	sub do_load_sync {	2276	sub do_load_sync {
1472	my ($map) = @_;	2277	my ($map) = @_;
1473		2278
1474	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1475	}	2283	}
1476		2284
1477	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1479		2287
1480	sub find_async {	2288	sub find_async {
1481	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1482		2290
1483	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1484		2292
1485	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2295	}
1488		2296
1489	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1490	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1491	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2304	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2305	$map->load if $v;
		2306	}
1496		2307
1497	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1498	}	2309	}
1499	}	2310	}
1500	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1501	};	2312	};
1502	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1503		2314
1504	()	2315	()
1505	}	2316	}
1506		2317
		2318	# common code, used by both ->save and ->swapout
1507	sub save {	2319	sub _save {
1508	my ($self) = @_;	2320	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2321
1512	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1513		2323
1514	return unless $self->dirty;	2324	return unless $self->dirty;
1515		2325
…		…
1521	return if $self->{deny_save};	2331	return if $self->{deny_save};
1522		2332
1523	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1524		2334
1525	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1527	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1528		2341
1529	if ($uniq) {	2342	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2345	} else {
1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534	}	2347	}
1535	}	2348	}
1536		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1537	sub swap_out {	2358	sub swap_out {
1538	my ($self) = @_;	2359	my ($self) = @_;
1539		2360
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1545	return if $self->players;	2365	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1549	$self->clear;	2376	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2377	}
1552		2378
1553	sub reset_at {	2379	sub reset_at {
1554	my ($self) = @_;	2380	my ($self) = @_;
1555		2381
1556	# TODO: safety, remove and allow resettable per-player maps	2382	# 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};	2383	return 1e99 if $self->{deny_reset};
1559		2384
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2387
…		…
1573	my ($self) = @_;	2398	my ($self) = @_;
1574		2399
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2401
1577	return if $self->players;	2402	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2403
1580	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
		2405
		2406	$self->in_memory (cf::MAP_SWAPPED);
		2407
		2408	# need to save uniques path
		2409	unless ($self->{deny_save}) {
		2410	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2411
		2412	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2413	if $uniq;
		2414	}
1581		2415
1582	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1583		2417
1584	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2420	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2421
1589	$self->unlink_save;	2422	$self->unlink_save;
1590	$self->destroy;	2423	$self->destroy;
1591	}	2424	}
1592		2425
1593	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1594		2427
1595	sub nuke {	2428	sub nuke {
1596	my ($self) = @_;	2429	my ($self) = @_;
1597		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1598	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1599		2435
1600	$self->unlink_save;	2436	$self->unlink_save;
1601		2437
1602	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2443
1608	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1609		2446
1610	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1611	}	2484	}
1612		2485
1613	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1614		2487
1615	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2489	instantiated unique items. May block.
1617		2490
1618	=cut	2491	=cut
1619		2492
1620	sub unique_maps() {	2493	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1622	or return;	2495	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2496	utf8::decode $_;
1628	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
		2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
		2502	]
		2503	}
1630		2504
		2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
1631	s/\.map$//;	2526	s/\.map$// or next;
1632	push @paths, $_;	2527	utf8::decode $_;
1633	}	2528	push @maps, "$dir/$_";
		2529	}
1634		2530
1635	\@paths	2531	push @dirs, map "$dir/$_", @$dirs;
1636	}	2532	}
1637		2533
1638	package cf;	2534	\@maps
		2535	}
1639		2536
1640	=back	2537	=back
1641		2538
1642	=head3 cf::object	2539	=head3 cf::object
1643		2540
…		…
1647		2544
1648	=over 4	2545	=over 4
1649		2546
1650	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1651		2548
1652	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1653		2551
1654	=cut	2552	=cut
1655		2553
1656	sub inv_recursive_;	2554	sub inv_recursive_;
1657	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1660		2558
1661	sub inv_recursive {	2559	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1663	}	2561	}
1664		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1665	package cf;	2591	package cf;
1666		2592
1667	=back	2593	=back
1668		2594
1669	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	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	2602	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1678		2604
1679	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1680		2620
1681	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2622	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1686		2626
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2628
1689	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1691	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1694	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1695	}	2654	}
1696		2655
1697	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1698		2657
1699	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1712		2671
1713	=item $player_object->enter_link	2672	=item $player_object->enter_link
1714		2673
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2675
1717	The player should be reasonably safe there for short amounts of time. You	2676	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.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1719		2680
1720	Will never block.	2681	Will never block.
1721		2682
1722	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1723		2684
…		…
1731	=cut	2692	=cut
1732		2693
1733	sub link_map {	2694	sub link_map {
1734	unless ($LINK_MAP) {	2695	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2696	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2697	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2698	$LINK_MAP->load;
1738	}	2699	}
1739		2700
1740	$LINK_MAP	2701	$LINK_MAP
1741	}	2702	}
…		…
1743	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2705	my ($self) = @_;
1745		2706
1746	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1747		2708
		2709	++$self->{_link_recursion};
		2710
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2712
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1752		2715
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2717	}
1755		2718
1756	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1758		2723
1759	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1760		2725
1761	unless ($map) {	2726	unless ($map) {
1762	# restore original map position	2727	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1775		2740
1776	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1779		2744
1780	$map->load;	2745	$map->load;
1781	$map->load_diag;	2746	$map->load_neighbours;
1782		2747
1783	return unless $self->contr->active;	2748	return unless $self->contr->active;
		2749
		2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2751	if ($self->enter_map ($map, $x, $y)) {
		2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2755	$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	$pl->ob->leave_link
1796	};
1797	}
1798	},	2756	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2757
1802	# try to abort aborted map switching on player login :)	2758	}
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		2759
1820	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1822	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1823		2774
1824	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2786
1827	$self->enter_link;	2787	$self->enter_link;
1828		2788
1829	(async {	2789	(async {
1830	my $map = cf::map::find $path;	2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
		2811	my $map = eval {
		2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
1832		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2817	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
1837		2820
		2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
		2827	}
		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1839	})->prio (1);	2835	})->prio (1);
1840	}	2836	}
1841		2837
1842	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1843		2839
…		…
1863	}	2859	}
1864		2860
1865	sub prepare_random_map {	2861	sub prepare_random_map {
1866	my ($exit) = @_;	2862	my ($exit) = @_;
1867		2863
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2866	# that depends on the exit object
1873		2867
1874	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
1875		2869
1876	if ($exit->map) {	2870	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2871	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1881	}	2877	}
1882		2878
1883	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1884		2880
1885	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1888		2884
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2887	undef $fh;
1892	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1893		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1896	}	2896	}
1897	}	2897	}
1898		2898
1899	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1903		2903
1904	$self->enter_link;	2904	$self->enter_link;
1905		2905
1906	(async {	2906	(async {
1907	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1908	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
1909	prepare_random_map $exit	2916	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2917	if $exit->slaying eq "/!";
		2918	}
1911		2919
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
1914		2923
		2924	$self->goto ($map, $x, $y);
		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
1915	1;	2930	1
1916	}) {	2931	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2936
1922	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2938	$self->leave_link;
1924	}	2939	}
1925	})->prio (1);	2940	})->prio (1);
1926	}	2941	}
1927		2942
…		…
1938		2953
1939	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1941		2956
1942	utf8::encode $text;	2957	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2959	}
1945		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
		3148	=item $client->ext_msg ($type, @msg)
		3149
		3150	Sends an ext event to the client.
		3151
		3152	=cut
		3153
		3154	sub cf::client::ext_msg($$@) {
		3155	my ($self, $type, @msg) = @_;
		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
		3160	push @msg, msgtype => "event_$type";
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
1946		3182
1947	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1948		3184
1949	Queues a query to the client, calling the given callback with	3185	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>,	3186	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>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		3188
1953	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	3190	become reliable at some point in the future.
1955		3191
1956	=cut	3192	=cut
1957		3193
1958	sub cf::client::query {	3194	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3203	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3205
1970	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
1972	}	3210	}
1973		3211
1974	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
1975	on_reply => sub {	3218	on_reply => sub {
1976	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
1977		3220
1978	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
1979	# get handled first	3222	# get handled first
1980	my $queue = delete $ns->{query_queue}	3223	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3224	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3225
1983	(shift @$queue)->[1]->($msg);	3226	(shift @$queue)->[1]->($msg);
		3227	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3228
1985	push @{ $ns->{query_queue} }, @$queue;	3229	push @{ $ns->{query_queue} }, @$queue;
1986		3230
1987	if (@{ $ns->{query_queue} } == @$queue) {	3231	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3232	if (@$queue) {
…		…
1990	} else {	3234	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3236	}
1993	}	3237	}
1994	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
1995	);	3265	);
1996		3266
1997	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
1998		3268
1999	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3285
2016	$coro	3286	$coro
2017	}	3287	}
2018		3288
2019	cf::client->attach (	3289	cf::client->attach (
2020	on_destroy => sub {	3290	on_client_destroy => sub {
2021	my ($ns) = @_;	3291	my ($ns) = @_;
2022		3292
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3294	},
2025	);	3295	);
…		…
2040	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2042		3312
2043	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2044		3314
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2046		3320
2047	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2048		3322
2049	=pod	3323	=pod
2050		3324
2051	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2052		3326
2053	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2054	cf::object::player player	3332	cf::object::player
2055	cf::player peaceful	3333	player
2056	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2057		3340
2058	=cut	3341	=cut
2059		3342
2060	for (	3343	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2062	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2065	) {	3350	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3353	for @funs;
2070	}	3354	}
2071		3355
…		…
2086		3370
2087	my $qcode = $code;	3371	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2090		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2091	local $_;	3378	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3379
2094	my $eval =	3380	my $eval =
2095	"do {\n"	3381	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3384	. $code
2099	. "\n}"	3385	. "\n}"
2100	;	3386	;
2101		3387
		3388	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2105		3397
2106	if ($@) {	3398	if ($@) {
2107	warn "$@";	3399	warn "$@",
2108	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2110	}	3402	}
2111		3403
2112	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2113	}	3405	}
2114		3406
…		…
2128	=cut	3420	=cut
2129		3421
2130	sub register_script_function {	3422	sub register_script_function {
2131	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2132		3424
2133	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2135	}	3427	}
2136		3428
2137	=back	3429	=back
2138		3430
2139	=cut	3431	=cut
2140		3432
2141	#############################################################################	3433	#############################################################################
		3434	# the server's init and main functions
2142		3435
2143	=head2 EXTENSION DATABASE SUPPORT	3436	sub load_facedata($) {
		3437	my ($path) = @_;
2144		3438
2145	Crossfire maintains a very simple database for extension use. It can	3439	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3440	# for this (global event?)
2147	excludes objects.	3441	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3442
2149	The parameter C<$family> should best start with the name of the extension	3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3444
2152	=over 4	3445	trace "loading facedata from $path\n";
2153		3446
2154	=item $hashref = cf::db_get $family	3447	my $facedata = decode_storable load_file $path;
2155		3448
2156	Return a hashref for use by the extension C<$family>, which can be	3449	$facedata->{version} == 2
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2158	C<cf::db_sync>.
2159		3451
2160	=item $value = cf::db_get $family => $key	3452	# patch in the exptable
2161		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2162	Returns a single value from the database	3454	$facedata->{resource}{"res/exp_table"} = {
2163		3455	type => FT_RSRC,
2164	=item cf::db_put $family => $hashref	3456	data => $exp_table,
2165		3457	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	}	3458	};
		3459	cf::cede_to_tick;
2192		3460
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	}	3461	{
		3462	my $faces = $facedata->{faceinfo};
2204		3463
2205	my $dirty;	3464	while (my ($face, $info) = each %$faces) {
		3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3466
2207	sub db_sync() {	3467	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3468	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211		3472
2212	my $idle = Event->idle (	3473	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	},	3474	}
2246	);
2247	}
2248		3475
2249	#############################################################################	3476	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3477	next unless $info->{smooth};
2251		3478
2252	sub cfg_load {	3479	my $idx = cf::face::find $face
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3480	or next;
2254	or return;
2255		3481
2256	local $/;	3482	if (my $smooth = cf::face::find $info->{smooth}) {
2257	*CFG = YAML::Syck::Load <$fh>;	3483	cf::face::set_smooth $idx, $smooth;
		3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3485	} else {
		3486	error "smooth face '$info->{smooth}' not found for face '$face'";
		3487	}
2258		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	{
		3494	my $anims = $facedata->{animinfo};
		3495
		3496	while (my ($anim, $info) = each %$anims) {
		3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3498	cf::cede_to_tick;
		3499	}
		3500
		3501	cf::anim::invalidate_all; # d'oh
		3502	}
		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
		3523	1
		3524	}
		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
		3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
		3556	}
		3557
		3558	sub reload_facedata {
		3559	load_facedata "$DATADIR/facedata"
		3560	or die "unable to load facedata\n";
		3561	}
		3562
		3563	sub reload_archetypes {
		3564	load_resource_file "$DATADIR/archetypes"
		3565	or die "unable to load archetypes\n";
		3566	}
		3567
		3568	sub reload_treasures {
		3569	load_resource_file "$DATADIR/treasures"
		3570	or die "unable to load treasurelists\n";
		3571	}
		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
		3593	sub reload_resources {
		3594	trace "reloading resource files...\n";
		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
		3601	reload_regions;
		3602	reload_treasures;
		3603
		3604	trace "finished reloading resource files\n";
		3605	}
		3606
		3607	sub reload_config {
		3608	trace "reloading config file...\n";
		3609
		3610	my $config = load_file "$CONFDIR/config";
		3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
		3613
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3615
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$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};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3618
2264	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2268	};	3623	};
2269	warn $@ if $@;	3624	warn $@ if $@;
2270	}	3625	}
2271	}	3626	}
2272		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2273	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2274	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3669	(async {
2278	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2280	};	3673	};
2281		3674
2282	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
		3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2284	load_extensions;	3698	load_extensions;
2285		3699
2286	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2287	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2288	}	3718	}
2289		3719
2290	#############################################################################	3720	#############################################################################
2291	# initialisation and cleanup	3721	# initialisation and cleanup
2292		3722
2293	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2294	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3727	$SIGWATCHER{$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";	3728	cf::cleanup "SIG$signal";
2303	},
2304	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2305	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2306	}	3819	}
2307		3820
2308	sub emergency_save() {	3821	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2310		3823
2311	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2312		3830
2313	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2314	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3842	$pl->save;
2322	}	3843	}
2323	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2324		3845
2325	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3851	$map->valid or next;
2329	$map->save;	3852	$map->save;
2330	}	3853	}
2331	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
		3859	BDB::db_env_txn_checkpoint $DB_ENV;
		3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3884	};
2333		3885
2334	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2335	}	3887	}
2336		3888
		3889	sub post_cleanup {
		3890	my ($make_core) = @_;
		3891
		3892	IO::AIO::flush;
		3893
		3894	error Carp::longmess "post_cleanup backtrace"
		3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
		3924	}
		3925
2337	sub reload() {	3926	sub do_reload_perl() {
2338	# can/must only be called in main	3927	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2340	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2341	return;	3930	return;
2342	}	3931	}
2343		3932
2344	warn "reloading...";	3933	return if $RELOAD++;
2345		3934
2346	warn "cancelling server ticker";	3935	my $t1 = AE::time;
2347	$TICK_WATCHER->cancel;
2348		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
		3943	cf::sync_job {
2349	cf::emergency_save;	3944	#cf::emergency_save;
2350		3945
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";	3946	trace "perl_reload: cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3948	%EXT_CORO = ();
2373		3949
2374	warn "removing commands";	3950	trace "perl_reload: removing commands";
2375	%COMMAND = ();	3951	%COMMAND = ();
2376		3952
2377	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2378	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2379		3956
2380	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2383		3960
2384	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2385	eval {	3962	eval {
2386	$cb->($pkg);	3963	$cb->($pkg);
2387	1	3964	1
2388	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2389	}	3970	}
2390		3971
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3975
2399	warn "... unloading $k";	3976	trace "... unloading $k";
2400	delete $INC{$k};	3977	delete $INC{$k};
2401		3978
2402	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2404		3981
2405	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2407	}	3987	}
2408		3988
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3992
2416	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		3996
2419	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3998	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2422		4000
2423	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2424		4002
2425	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2426	require cf;	4004	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2428		4006
2429	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2430	cf::cfg_load;	4008	cf::reload_config;
2431	cf::db_load;
2432		4009
2433	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2434	cf::load_extensions;	4011	cf::load_extensions;
2435		4012
		4013	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2437	_global_reattach;	4015	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2439	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
2440		4021
2441	warn "restarting server ticker";	4022	cf::_post_init 1;
2442		4023
2443	$TICK_WATCHER->start;	4024	trace "perl_reload: leaving sync_job";
		4025
		4026	1
		4027	} or do {
		4028	error $@;
		4029	cf::cleanup "perl_reload: error, exiting.";
		4030	};
		4031
		4032	--$RELOAD;
		4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
		4037	};
		4038
		4039	our $RELOAD_WATCHER; # used only during reload
		4040
		4041	sub reload_perl() {
		4042	# doing reload synchronously and two reloads happen back-to-back,
		4043	# coro crashes during coro_state_free->destroy here.
		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
		4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4049	do_reload_perl;
		4050	undef $RELOAD_WATCHER;
		4051	};
2444	};	4052	};
2445		4053	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4054
2457	register_command "reload" => sub {	4055	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2459		4057
2460	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2462		4060	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4061	$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;	4062	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4063	};
2475	}	4064	}
2476	};	4065	};
2477		4066
2478	unshift @INC, $LIBDIR;	4067	#############################################################################
2479		4068
2480	my $bug_warning = 0;	4069	my $bug_warning = 0;
2481		4070
2482	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2483	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	4073
2485	prio => 0,	4074	sub wait_for_tick() {
2486	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	4076
2488	cb => sub {	4077	my $signal = new Coro::Signal;
		4078	push @WAIT_FOR_TICK, $signal;
		4079	$signal->wait;
		4080	}
		4081
		4082	sub wait_for_tick_begin() {
		4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4084
		4085	my $signal = new Coro::Signal;
		4086	push @WAIT_FOR_TICK_BEGIN, $signal;
		4087	$signal->wait;
		4088	}
		4089
		4090	sub tick {
2489	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2492	return;	4094	return;
2493	}	4095	}
2494		4096
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		4098
2501	$WAIT_FOR_TICK->broadcast;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4100
2504	Event::sweep;	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2505	Coro::cede_notself;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
		4105	write_runtime_sync
		4106	or error "ERROR: unable to write runtime file: $!";
		4107	};
		4108	}
		4109
		4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4111	$sig->send;
		4112	}
		4113	while (my $sig = shift @WAIT_FOR_TICK) {
		4114	$sig->send;
		4115	}
		4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
2506		4125	}
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	},	4126	}
2516	);	4127	}
2517		4128
		4129	{
		4130	# configure BDB
		4131
		4132	BDB::min_parallel 16;
		4133	BDB::max_poll_reqs $TICK * 0.1;
		4134	$AnyEvent::BDB::WATCHER->priority (1);
		4135
		4136	unless ($DB_ENV) {
		4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4143
		4144	cf::sync_job {
		4145	eval {
		4146	BDB::db_env_open
		4147	$DB_ENV,
		4148	$BDBDIR,
		4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4151	0666;
		4152
		4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4154	};
		4155
		4156	cf::cleanup "db_env_open(db): $@" if $@;
		4157	};
		4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
		4169	}
		4170
		4171	{
		4172	# configure IO::AIO
		4173
		4174	IO::AIO::min_parallel 8;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
		4176	undef $AnyEvent::AIO::WATCHER;
		4177	}
2519		4178
2520	undef $Coro::AIO::WATCHER;	4179	our $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (	4180	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		4181
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4182	sub _log_backtrace {
2531	reentrant => 0,	4183	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4184
2533	after => 1,	4185	$msg =~ s/\n$//;
2534	interval => 10,	4186
2535	prio => 6, # keep it lowest so it acts like a watchdog	4187	if ($_log_backtrace_last eq $msg) {
2536	cb => Coro::unblock_sub {	4188	LOG llevInfo, "[ABT] $msg\n";
2537	write_runtime	4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2538	or warn "ERROR: unable to write runtime file: $!";	4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2539	},	4223	}
2540	);	4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2541		4229
2542	END { cf::emergency_save }	4230	END { cf::emergency_save }
2543		4231
2544	1	4232	1
2545		4233

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