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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 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;
87		172
88	sub cf::map::normalise;	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::"} };
89		189
90	#############################################################################	190	#############################################################################
91		191
92	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
93		193
…		…
100	=item $cf::RUNTIME	200	=item $cf::RUNTIME
101		201
102	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
103	every server tick.	203	every server tick.
104		204
105	=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
106		208
107	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		213
110	=item $cf::NOW	214	=item $cf::NOW
111		215
112	The time of the last (current) server tick.	216	The time of the last (current) server tick.
113		217
114	=item $cf::TICK	218	=item $cf::TICK
115		219
116	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	232	=item %cf::CFG
119		233
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	235	from wherever your confdir points to.
122		236
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		238
125	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
126	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
127	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.
128	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.
129		259
130	=back	260	=back
131		261
132	=cut	262	=cut
133		263
134	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	271	my $msg = join "", @_;
137	utf8::encode $msg;
138		272
139	$msg .= "\n"	273	$msg .= "\n"
140	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
141		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
142	LOG llevError, $msg;	278	LOG llevWarn, $msg;
143	};	279	};
144	}	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	};
145		294
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		302
153	# 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
154	# within the Safe compartment.	304	# within the Safe compartment.
155	for my $pkg (qw(	305	for my $pkg (qw(
156	cf::global cf::attachable	306	cf::global cf::attachable
157	cf::object cf::object::player	307	cf::object cf::object::player
158	cf::client cf::player	308	cf::client cf::player
159	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
160	cf::map cf::party cf::region	311	cf::party cf::region
161	)) {	312	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	314	}
165		315
166	$Event::DIED = sub {	316	$EV::DIED = sub {
167	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
168	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
169		326
170	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
171		328
172	=over 4	329	=over 4
173		330
…		…
192	$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;
193	$d	350	$d
194	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
195	}	352	}
196		353
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
198		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
199	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
200		369
201	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
202		371
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
211		373
212	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
213		375
214	=cut	376	=cut
215		377
216	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
218	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	}
219	}	443	}
220		444
221	=item cf::lock_wait $string	445	=item cf::lock_wait $string
222		446
223	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
224		448
225	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
226		450
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
230	returned.	454	returned.
231		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
232	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
233	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
234		461
235	=cut	462	=item $locked = cf::lock_active $string
236		463
237	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;
238		469
239	sub lock_wait($) {	470	sub lock_wait($) {
240	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	472	}
248		473
249	sub lock_acquire($) {	474	sub lock_acquire($) {
250	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
251		477
252	# wait, to be sure we are not locked	478	sub lock_active($) {
253	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	480	}
262		481
263	sub freeze_mainloop {	482	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
265		484
266	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	486	}
268	$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	}
269	};	556	}
270	$WRITE_RUNTIME_WATCHER->stop;	557	};
271	$TICK_WATCHER->stop;	558
272	$guard	559	sub get_slot($;$$) {
		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;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	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
289	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.
290		590
291	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
292	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
293	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
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		662
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
354	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.
355		667
356	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		669
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
361	and return;	671	reset_signals;
		672	}
362		673
363	aio_fsync $fh	674	sub fork_call(&@) {
364	and return;	675	my ($cb, @args) = @_;
365		676
366	close $fh	677	# we seemingly have to make a local copy of the whole thing,
367	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
370	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
372	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 });
373	}	864	}
374		865
375	=back	866	=back
376		867
377	=cut	868	=cut
378		869
379	#############################################################################	870	#############################################################################
380		871
381	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
382		873
383	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
384	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")
385	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
386		877
387	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>
388	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
389	crossfire+).	880	Deliantra).
390		881
391	=over 4	882	=over 4
392		883
393	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
394		885
…		…
438	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
439		930
440	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
441	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
442		933
443	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		936
446	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
447		938
448	=over 4	939	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
558		1049
559	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1054
564	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
566		1057
567	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
572		1063
573	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1066
576	} elsif (ref $type) {	1067	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
578		1069
579	} else {	1070	} else {
580	shift @arg;	1071	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
582	}	1073	}
583	}	1074	}
584	}	1075	}
585		1076
586	sub _object_attach {	1077	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
597	}	1088	}
598		1089
599	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
600	} else {	1091	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1093	}
603		1094
604	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
605	}	1096	}
606		1097
…		…
608	if (ref $_[0]) {	1099	if (ref $_[0]) {
609	_object_attach @_;	1100	_object_attach @_;
610	} else {	1101	} else {
611	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
612	}	1103	}
		1104	_recalc_want;
613	};	1105	};
614		1106
615	# all those should be optimised	1107	# all those should be optimised
616	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1113	reattach ($obj);
622	} else {	1114	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
624	}	1116	}
		1117	_recalc_want;
625	};	1118	};
626		1119
627	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
629		1122
…		…
644	";	1137	";
645	die if $@;	1138	die if $@;
646	}	1139	}
647		1140
648	our $override;	1141	our $override;
649	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?
650		1143
651	sub override {	1144	sub override {
652	$override = 1;	1145	$override = 1;
653	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
654	}	1147	}
655		1148
656	sub do_invoke {	1149	sub do_invoke {
657	my $event = shift;	1150	my $event = shift;
658	my $callbacks = shift;	1151	my $callbacks = shift;
659		1152
660	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
661		1154
662	local $override;	1155	local $override;
663		1156
664	for (@$callbacks) {	1157	for (@$callbacks) {
665	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
666		1159
667	if ($@) {	1160	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1162	override;
671	}	1163	}
672		1164
673	return 1 if $override;	1165	return 1 if $override;
674	}	1166	}
675		1167
676	0	1168	0
677	}	1169	}
678		1170
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1172
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1174
683	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
684		1176
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1180
689	=back	1181	=back
690		1182
691	=cut	1183	=cut
692		1184
693	#############################################################################	1185	#############################################################################
694	# 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	}
695		1229
696	sub reattach {	1230	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1232	my ($obj) = @_;
699		1233
		1234	# no longer needed after getting rid of delete_package?
700	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
701		1236
702	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
703		1238
704	@$registry = ();	1239	@$registry = ();
705		1240
…		…
710	for (@$attach) {	1245	for (@$attach) {
711	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
713	}	1248	}
714	} else {	1249	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1251	}
717	}	1252	}
718	}	1253	}
719		1254
720	cf::attachable->attach (	1255	cf::attachable->attach (
721	prio => -1000000,	1256	prio => -1000000,
722	on_instantiate => sub {	1257	on_instantiate => sub {
723	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
724		1259
725	$data = from_json $data;	1260	$data = decode_json $data;
726		1261
727	for (@$data) {	1262	for (@$data) {
728	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
729		1264
730	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1281	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
748		1283
749	sync_job {	1284	sync_job {
750	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
753		1290
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$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;
757	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
758	close $fh;	1298	aio_close $fh;
759		1299
760	if (@$objs) {	1300	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	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;
765	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
766	close $fh;	1309	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
768	}	1311	}
769	} else {	1312	} else {
770	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
771	}	1314	}
772		1315
773	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1320	} else {
775	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
776	}	1322	}
777	} else {	1323	} else {
778	aio_unlink $filename;	1324	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
780	}	1326	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1327	};
788	}	1328	}
789		1329
790	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
792		1332
…		…
797		1337
798	sub object_thawer_load {	1338	sub object_thawer_load {
799	my ($filename) = @_;	1339	my ($filename) = @_;
800		1340
801	my ($data, $av);	1341	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1342
806	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
807	or return;	1344	or return;
808		1345
809	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
811	or return;	1348	or return;
		1349
812	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
813	}	1352	}
814		1353
		1354	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
817	return ($data, $av);	1359	($data, $av)
818	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
819		1367
820	#############################################################################	1368	#############################################################################
821	# command handling &c	1369	# command handling &c
822		1370
823	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1385	}
838		1386
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1388
841	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.
842		1394
843	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
844	called.	1396	called.
845		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
846	=cut	1409	=cut
847		1410
848	sub register_extcmd {	1411	sub register_extcmd {
849	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
850		1413
851	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
852	}	1415	}
853		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
854	cf::player->attach (	1425	cf::player->attach (
855	on_command => sub {	1426	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
857		1428
858	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
859	or return;	1430	or return;
860		1431
…		…
865	cf::override;	1436	cf::override;
866	},	1437	},
867	on_extcmd => sub {	1438	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
869		1440
870	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1442
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
878	} else {	1458	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1460	}
881		1461
882	cf::override;	1462	cf::override;
883	},	1463	},
884	);	1464	);
885		1465
		1466	# "readahead" all extensions
886	sub load_extension {	1467	sub cache_extensions {
887	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
888		1469
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1473	}
914	die $@;
915	}	1474	};
916		1475
917	push @EXTS, $pkg;	1476	$grp
918	}	1477	}
919		1478
920	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
921	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1486	next unless -r $path;
923	eval {	1487
924	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	}
925	1	1551	}
926	} 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	}
927	}	1562	};
928	}	1563	}
929		1564
930	#############################################################################	1565	#############################################################################
931		1566
		1567	=back
		1568
932	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
933		1570
934	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
935		1572
936	=cut	1573	=cut
937		1574
938	package cf::player;	1575	package cf::player;
939		1576
…		…
941		1578
942	=head3 cf::player	1579	=head3 cf::player
943		1580
944	=over 4	1581	=over 4
945		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
946	=item cf::player::find $login	1597	=item cf::player::find $login
947		1598
948	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
949		1600
950	=cut	1601	=cut
951		1602
952	sub playerdir($) {	1603	sub playerdir($) {
953	cf::localdir	1604	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1606	}
959		1607
960	sub path($) {	1608	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1610
963	(playerdir $login) . "/$login.pl"	1611	(playerdir $login) . "/playerdata"
964	}	1612	}
965		1613
966	sub find_active($) {	1614	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1615	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1616	and $cf::PLAYER{$_[0]}->active
…		…
971		1619
972	sub exists($) {	1620	sub exists($) {
973	my ($login) = @_;	1621	my ($login) = @_;
974		1622
975	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
977	}	1625	}
978		1626
979	sub find($) {	1627	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1629	my $login = $_[0];
982		1630
983	my $guard = cf::lock_acquire "user_find:$login";	1631	my $guard = cf::lock_acquire "user_find:$login";
984		1632
985	$cf::PLAYER{$_[0]} || do {	1633	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
989	}	1650	}
990	}	1651	}
991	}	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	);
992		1666
993	sub save($) {	1667	sub save($) {
994	my ($pl) = @_;	1668	my ($pl) = @_;
995		1669
996	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1002		1676
1003	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1007	Coro::cede;	1686	cf::cede_to_tick;
1008	}	1687	}
1009		1688
1010	sub new($) {	1689	sub new($) {
1011	my ($login) = @_;	1690	my ($login) = @_;
1012		1691
…		…
1018	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1019		1698
1020	$self	1699	$self
1021	}	1700	}
1022		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
1023	=item $pl->quit_character	1712	=item $pl->quit_character
1024		1713
1025	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
1026	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1027		1716
1028	=cut	1717	=cut
1029		1718
1030	sub quit_character {	1719	sub quit_character {
1031	my ($pl) = @_;	1720	my ($pl) = @_;
1032		1721
		1722	my $name = $pl->ob->name;
		1723
1033	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1034	$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
1035		1726
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1039	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1040		1735
1041	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1739	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1762	}
1048		1763
1049	=item cf::player::list_logins	1764	=item cf::player::list_logins
1050		1765
1051	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
1052	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1053		1768
1054	=cut	1769	=cut
1055		1770
1056	sub list_logins {	1771	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1773	or return [];
1059		1774
1060	my @logins;	1775	my @logins;
1061		1776
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1066		1787
1067	utf8::decode $login;	1788	utf8::decode $login;
1068	push @logins, $login;	1789	push @logins, $login;
1069	}	1790	}
1070		1791
1071	\@logins	1792	\@logins
1072	}	1793	}
1073		1794
1074	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1075		1798
1076	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1077	player. May block.	1800	player. May block.
1078		1801
1079	=cut	1802	=cut
…		…
1097	}	1820	}
1098		1821
1099	\@paths	1822	\@paths
1100	}	1823	}
1101		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1103		1830
1104	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1105		1832
1106	=cut	1833	=cut
1107		1834
1108	sub ext_reply($$$%) {	1835	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1110		1837
1111	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1839	}
1115		1840
1116	package cf;	1841	=item $player->ext_msg ($type, @msg)
		1842
		1843	Sends an ext event to the client.
		1844
		1845	=cut
		1846
		1847	sub ext_msg($$@) {
		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	}
1117		1883
1118	=back	1884	=back
1119
1120		1885
1121	=head3 cf::map	1886	=head3 cf::map
1122		1887
1123	=over 4	1888	=over 4
1124		1889
…		…
1136	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1138		1903
1139	sub generate_random_map {	1904	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1142	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1910	}
1156		1911
1157	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1158		1913
1159	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
…		…
1164		1919
1165	sub register {	1920	sub register {
1166	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1922	my $pkg = caller;
1168		1923
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1925
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1927	}
1174		1928
1175	# also paths starting with '/'	1929	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1931
1178	sub thawer_merge {	1932	sub thawer_merge {
1179	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1180		1934
1181	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1182	local $self->{path};	1936	local $self->{path};
1183	local $self->{load_path};	1937	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1938
1187	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1188	}	1940	}
1189		1941
1190	sub normalise {	1942	sub normalise {
1191	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1192		1944
1193	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1194		1946
1195	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1196		1948
1197	# map plan:	1949	# map plan:
1198	#	1950	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1966	$path = "$base/$path";
1215	}	1967	}
1216		1968
1217	for ($path) {	1969	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1221	}	1972	}
1222		1973
1223	$path	1974	$path
…		…
1237	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1238	return $self;	1989	return $self;
1239	}	1990	}
1240	}	1991	}
1241		1992
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1994	()
1244	}	1995	}
1245		1996
1246	sub init {	1997	sub init {
1247	my ($self) = @_;	1998	my ($self) = @_;
…		…
1262		2013
1263	# the original (read-only) location	2014	# the original (read-only) location
1264	sub load_path {	2015	sub load_path {
1265	my ($self) = @_;	2016	my ($self) = @_;
1266		2017
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1268	}	2019	}
1269		2020
1270	# the temporary/swap location	2021	# the temporary/swap location
1271	sub save_path {	2022	sub save_path {
1272	my ($self) = @_;	2023	my ($self) = @_;
1273		2024
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1276	}	2027	}
1277		2028
1278	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1279	sub uniq_path {	2030	sub uniq_path {
1280	my ($self) = @_;	2031	my ($self) = @_;
1281		2032
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1284	}	2035	}
1285		2036
1286	# and all this just because we cannot iterate over	2037	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2038	my ($self) = @_;
1290		2039
1291	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1293	}	2043	}
1294		2044
1295	sub unlink_save {	2045	sub unlink_save {
1296	my ($self) = @_;	2046	my ($self) = @_;
1297		2047
1298	utf8::encode (my $save = $self->save_path);	2048	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2049	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2050	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2051	}
1307		2052
1308	sub load_header_from($) {	2053	sub load_header_from($) {
1309	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1310		2055
1311	utf8::encode $path;	2056	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1317		2065
1318	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1319		2067
1320	1	2068	1
1321	}	2069	}
…		…
1360	$self->load_header_orig	2108	$self->load_header_orig
1361	or return;	2109	or return;
1362	$self->prepare_orig;	2110	$self->prepare_orig;
1363	}	2111	}
1364		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 $self->default_region;
		2118
1365	1	2119	1
1366	}	2120	}
1367		2121
1368	sub find;	2122	sub find;
1369	sub find {	2123	sub find {
1370	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1371		2125
		2126	cf::cede_to_tick;
		2127
1372	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1373		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2132
1376	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1379	or return;	2135	or return;
1380		2136
1381	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1382		2138
1383	$map->load_header	2139	$map->load_header
1384	or return;	2140	or return;
1385		2141
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1389	$map->reset;	2147	$map->reset;
1390	undef $guard;
1391	return find $path;	2148	return find $path;
1392	}	2149	}
1393		2150
1394	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1395	}	2152	}
1396	}	2153	}
1397		2154
1398	sub pre_load { }	2155	sub pre_load { }
1399	sub post_load { }	2156	#sub post_load { } # XS
1400		2157
1401	sub load {	2158	sub load {
1402	my ($self) = @_;	2159	my ($self) = @_;
1403		2160
1404	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1405		2162
1406	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1408		2167
		2168	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2170
1411	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1412		2172
1413	$self->alloc;	2173	$self->alloc;
1414		2174
1415	$self->pre_load;	2175	$self->pre_load;
		2176	cf::cede_to_tick;
1416		2177
1417	$self->_load_objects ($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)
1418	or return;	2181	or return;
1419		2182
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1421	if delete $self->{load_original};	2184	if delete $self->{load_original};
1422		2185
1423	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2187	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2190	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1428	}	2194	}
1429	}	2195	}
1430		2196
1431	Coro::cede;	2197	$f->resolve_delayed_derefs;
1432		2198
		2199	cf::cede_to_tick;
1433	# now do the right thing for maps	2200	# now do the right thing for maps
1434	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2203	unless $self->difficulty;
1444	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1445	$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);
1446	}	2218	}
1447		2219
1448	$self->post_load;	2220	$self->post_load;
1449		2221
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1451	}	2223	}
1452		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2228	sub customise_for {
1454	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1455		2230
1456	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2232	if $self->per_player;
1458		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1459	$self	2237	$self
1460	}	2238	}
1461		2239
1462	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2241	sub load_neighbours {
1464	my ($map) = @_;	2242	my ($map) = @_;
1465		2243
1466	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1467		2245
1468	for (0 .. 3) {	2246	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1470	or next;	2248	or next;
1471	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1472	or next;	2250	or next;
1473	$neigh->load;	2251	$neigh->load;
1474		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2257	}
1478		2258
1479	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1481	or next;	2262	or next;
1482	$neigh->load;	2263	$neigh->load;
1483	}	2264	}
1484	}	2265	}
1485		2266
1486	sub find_sync {	2267	sub find_sync {
1487	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1488		2269
1489	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, $origin
1490	}	2274	}
1491		2275
1492	sub do_load_sync {	2276	sub do_load_sync {
1493	my ($map) = @_;	2277	my ($map) = @_;
1494		2278
1495	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;
1496	}	2283	}
1497		2284
1498	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1500		2287
1501	sub find_async {	2288	sub find_async {
1502	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1503		2290
1504	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1505		2292
1506	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2295	}
1509		2296
1510	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1511	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1512	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2304	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2305	$map->load if $v;
		2306	}
1517		2307
1518	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1519	}	2309	}
1520	}	2310	}
1521	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1522	};	2312	};
1523	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1524		2314
1525	()	2315	()
1526	}	2316	}
1527		2317
		2318	# common code, used by both ->save and ->swapout
1528	sub save {	2319	sub _save {
1529	my ($self) = @_;	2320	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2321
1533	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1534		2323
1535	return unless $self->dirty;	2324	return unless $self->dirty;
1536		2325
…		…
1542	return if $self->{deny_save};	2331	return if $self->{deny_save};
1543		2332
1544	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1545		2334
1546	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1548	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1549		2341
1550	if ($uniq) {	2342	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2345	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2347	}
1556	}	2348	}
1557		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1558	sub swap_out {	2358	sub swap_out {
1559	my ($self) = @_;	2359	my ($self) = @_;
1560		2360
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1566	return if $self->players;	2365	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		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
1570	$self->clear;	2376	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2377	}
1573		2378
1574	sub reset_at {	2379	sub reset_at {
1575	my ($self) = @_;	2380	my ($self) = @_;
1576		2381
1577	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1580		2384
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2387
…		…
1594	my ($self) = @_;	2398	my ($self) = @_;
1595		2399
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2401
1598	return if $self->players;	2402	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2403
1601	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	}
1602		2415
1603	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1604		2417
1605	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2420	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2421
1610	$self->unlink_save;	2422	$self->unlink_save;
1611	$self->destroy;	2423	$self->destroy;
1612	}	2424	}
1613		2425
1614	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1615		2427
1616	sub nuke {	2428	sub nuke {
1617	my ($self) = @_;	2429	my ($self) = @_;
1618		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1619	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1620		2435
1621	$self->unlink_save;	2436	$self->unlink_save;
1622		2437
1623	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2443
1629	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1630		2446
1631	$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	]
1632	}	2484	}
1633		2485
1634	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1635		2487
1636	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2489	instantiated unique items. May block.
1638		2490
1639	=cut	2491	=cut
1640		2492
1641	sub unique_maps() {	2493	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1643	or return;	2495	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2496	utf8::decode $_;
1649	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2499	? ()
1652	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2502	]
1654
1655	\@paths
1656	}	2503	}
1657		2504
1658	package cf;	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) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1659		2536
1660	=back	2537	=back
1661		2538
1662	=head3 cf::object	2539	=head3 cf::object
1663		2540
…		…
1667		2544
1668	=over 4	2545	=over 4
1669		2546
1670	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1671		2548
1672	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.
1673		2551
1674	=cut	2552	=cut
1675		2553
1676	sub inv_recursive_;	2554	sub inv_recursive_;
1677	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1680		2558
1681	sub inv_recursive {	2559	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1683	}	2561	}
1684		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
1685	package cf;	2591	package cf;
1686		2592
1687	=back	2593	=back
1688		2594
1689	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1698		2604
1699	=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	};
1700		2620
1701	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2622	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1706		2626
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2628
1709	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1714	}	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 (@_);
1715	}	2654	}
1716		2655
1717	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1718		2657
1719	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1732		2671
1733	=item $player_object->enter_link	2672	=item $player_object->enter_link
1734		2673
1735	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}>).
1736		2675
1737	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.
1738	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.
1739		2680
1740	Will never block.	2681	Will never block.
1741		2682
1742	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1743		2684
…		…
1763	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2705	my ($self) = @_;
1765		2706
1766	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1767		2708
		2709	++$self->{_link_recursion};
		2710
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2712
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1772		2715
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2717	}
1775		2718
1776	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1778		2723
1779	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1780		2725
1781	unless ($map) {	2726	unless ($map) {
1782	# restore original map position	2727	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1795		2740
1796	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1799		2744
1800	$map->load;	2745	$map->load;
1801	$map->load_diag;	2746	$map->load_neighbours;
1802		2747
1803	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
1804	$self->activate_recursive;	2755	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2756	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2757
1822	# try to abort aborted map switching on player login :)	2758	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2759
1840	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		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
1842	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1843		2774
1844	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1845	my ($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;
1846		2786
1847	$self->enter_link;	2787	$self->enter_link;
1848		2788
1849	(async {	2789	(async {
		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
1850	my $map = eval {	2811	my $map = eval {
1851	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1853	$map	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 $@;
1854	} or	2827	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1858	})->prio (1);	2835	})->prio (1);
1859	}	2836	}
1860		2837
1861	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1862		2839
…		…
1882	}	2859	}
1883		2860
1884	sub prepare_random_map {	2861	sub prepare_random_map {
1885	my ($exit) = @_;	2862	my ($exit) = @_;
1886		2863
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2866	# that depends on the exit object
1892		2867
1893	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2870	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1900	}	2877	}
1901		2878
1902	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1903		2880
1904	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1907		2884
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2887	undef $fh;
1911	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1912		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
1915	}	2896	}
1916	}	2897	}
1917		2898
1918	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
1920		2901
1921	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
1922		2903
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2904	$self->enter_link;
1933		2905
1934	(async {	2906	(async {
1935	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
1936	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
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
1937	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
1938		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
1939	1;	2930	1
1940	}) {	2931	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2936
1946	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2938	$self->leave_link;
1948	}	2939	}
1949	})->prio (1);	2940	})->prio (1);
1950	}	2941	}
1951		2942
…		…
1962		2953
1963	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
1965		2956
1966	utf8::encode $text;	2957	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2959	}
1969		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	}
1970		3182
1971	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
1972		3184
1973	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		3188
1977	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
1978	reliable at some point in the future.	3190	become reliable at some point in the future.
1979		3191
1980	=cut	3192	=cut
1981		3193
1982	sub cf::client::query {	3194	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3203	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3205
1994	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
1996	}	3210	}
1997		3211
1998	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
1999	on_reply => sub {	3218	on_reply => sub {
2000	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2001		3220
2002	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2003	# get handled first	3222	# get handled first
…		…
2015	} else {	3234	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3236	}
2018	}	3237	}
2019	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($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	},
2020	);	3265	);
2021		3266
2022	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2023		3268
2024	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3285
2041	$coro	3286	$coro
2042	}	3287	}
2043		3288
2044	cf::client->attach (	3289	cf::client->attach (
2045	on_destroy => sub {	3290	on_client_destroy => sub {
2046	my ($ns) = @_;	3291	my ($ns) = @_;
2047		3292
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3294	},
2050	);	3295	);
…		…
2065	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2067		3312
2068	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2069		3314
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2071		3320
2072	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2073		3322
2074	=pod	3323	=pod
2075		3324
2076	The following fucntions and emthods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2077		3326
2078	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2079	cf::object::player player	3332	cf::object::player
2080	cf::player peaceful	3333	player
2081	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2082		3340
2083	=cut	3341	=cut
2084		3342
2085	for (	3343	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2090	) {	3350	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3353	for @funs;
2095	}	3354	}
2096		3355
…		…
2111		3370
2112	my $qcode = $code;	3371	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2115		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2116	local $_;	3378	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3379
2119	my $eval =	3380	my $eval =
2120	"do {\n"	3381	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3384	. $code
2124	. "\n}"	3385	. "\n}"
2125	;	3386	;
2126		3387
		3388	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2130		3397
2131	if ($@) {	3398	if ($@) {
2132	warn "$@";	3399	warn "$@",
2133	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2135	}	3402	}
2136		3403
2137	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2138	}	3405	}
2139		3406
…		…
2153	=cut	3420	=cut
2154		3421
2155	sub register_script_function {	3422	sub register_script_function {
2156	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2157		3424
2158	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2160	}	3427	}
2161		3428
2162	=back	3429	=back
2163		3430
2164	=cut	3431	=cut
2165		3432
2166	#############################################################################	3433	#############################################################################
		3434	# the server's init and main functions
2167		3435
2168	=head2 EXTENSION DATABASE SUPPORT	3436	sub load_facedata($) {
		3437	my ($path) = @_;
2169		3438
2170	Crossfire maintains a very simple database for extension use. It can	3439	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3440	# for this (global event?)
2172	excludes objects.	3441	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3442
2174	The parameter C<$family> should best start with the name of the extension	3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3444
2177	=over 4	3445	trace "loading facedata from $path\n";
2178		3446
2179	=item $hashref = cf::db_get $family	3447	my $facedata = decode_storable load_file $path;
2180		3448
2181	Return a hashref for use by the extension C<$family>, which can be	3449	$facedata->{version} == 2
2182	modified. After modifications, you have to call C<cf::db_dirty> or	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183	C<cf::db_sync>.
2184		3451
2185	=item $value = cf::db_get $family => $key	3452	# patch in the exptable
2186		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2187	Returns a single value from the database	3454	$facedata->{resource}{"res/exp_table"} = {
2188		3455	type => FT_RSRC,
2189	=item cf::db_put $family => $hashref	3456	data => $exp_table,
2190		3457	hash => (Digest::MD5::md5 $exp_table),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3458	};
		3459	cf::cede_to_tick;
2217		3460
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3461	{
		3462	my $faces = $facedata->{faceinfo};
2229		3463
2230	my $dirty;	3464	while (my ($face, $info) = each %$faces) {
		3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3466
2232	sub db_sync() {	3467	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3468	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2235	}	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2236		3472
2237	my $idle = Event->idle (	3473	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3474	}
2271	);
2272	}
2273		3475
2274	#############################################################################	3476	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3477	next unless $info->{smooth};
2276		3478
2277	sub cfg_load {	3479	my $idx = cf::face::find $face
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3480	or next;
2279	or return;
2280		3481
2281	local $/;	3482	if (my $smooth = cf::face::find $info->{smooth}) {
2282	*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	}
2283		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
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3615
2286	$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};
2287	$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};
2288		3618
2289	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2293	};	3623	};
2294	warn $@ if $@;	3624	warn $@ if $@;
2295	}	3625	}
2296	}	3626	}
2297		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
2298	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
2299	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2301	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#
2302	(async {	3669	(async {
2303	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2305	};	3673	};
2306		3674
2307	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
2308	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
2309	load_extensions;	3698	load_extensions;
2310		3699
2311	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2312	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;
2313	}	3718	}
2314		3719
2315	#############################################################################	3720	#############################################################################
2316	# initialisation and cleanup	3721	# initialisation and cleanup
2317		3722
2318	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2319	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2328	},
2329	);	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
2330	}	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 };
2331	}	3819	}
2332		3820
2333	sub emergency_save() {	3821	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2335		3823
2336	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;
2337		3830
2338	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2339	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3842	$pl->save;
2347	}	3843	}
2348	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2349		3845
2350	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";
2351	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3851	$map->valid or next;
2354	$map->save;	3852	$map->save;
2355	}	3853	}
2356	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
2357	};	3884	};
2358		3885
2359	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2360	}	3887	}
2361		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
2362	sub reload() {	3926	sub do_reload_perl() {
2363	# can/must only be called in main	3927	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2365	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2366	return;	3930	return;
2367	}	3931	}
2368		3932
2369	warn "reloading...";	3933	return if $RELOAD++;
2370		3934
2371	warn "cancelling server ticker";	3935	my $t1 = AE::time;
2372	$TICK_WATCHER->cancel;
2373		3936
		3937	while ($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 {
2374	cf::emergency_save;	3944	#cf::emergency_save;
2375		3945
2376	eval {
2377	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";
2388	for (;;) {
2389	IO::AIO::flush;
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3948	%EXT_CORO = ();
2398		3949
2399	warn "removing commands";	3950	trace "perl_reload: removing commands";
2400	%COMMAND = ();	3951	%COMMAND = ();
2401		3952
2402	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2403	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2404		3956
2405	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2408		3960
2409	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2410	eval {	3962	eval {
2411	$cb->($pkg);	3963	$cb->($pkg);
2412	1	3964	1
2413	} 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;
2414	}	3970	}
2415		3971
2416	warn "... nuking $pkg";
2417	Symbol::delete_package $pkg;
2418	}
2419
2420	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2421	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3975
2424	warn "... unloading $k";	3976	trace "... unloading $k";
2425	delete $INC{$k};	3977	delete $INC{$k};
2426		3978
2427	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2429		3981
2430	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2431	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2432	}	3987	}
2433		3988
2434	Symbol::delete_package $k;
2435	}
2436
2437	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2439	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);
2440		3992
2441	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
		3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		3996
2444	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3998	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2447		4000
2448	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2449		4002
2450	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2451	require cf;	4004	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2453		4006
2454	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2455	cf::cfg_load;	4008	cf::reload_config;
2456	cf::db_load;
2457		4009
2458	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2459	cf::load_extensions;	4011	cf::load_extensions;
2460		4012
		4013	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2462	_global_reattach;	4015	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2464	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
		4018	trace "perl_reload: reattaching attachments to players";
		4019	reattach $_ for values %PLAYER;
		4020	}
2465		4021
2466	warn "restarting server ticker";	4022	cf::_post_init 1;
2467		4023
2468	$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 $RELOAD_WATCHER;
		4051	};
2469	};	4052	};
2470		4053	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4054
2482	register_command "reload" => sub {	4055	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2484		4057
2485	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
2487		4060	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4061	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4062	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4063	};
2500	}	4064	}
2501	};	4065	};
2502		4066
2503	unshift @INC, $LIBDIR;	4067	#############################################################################
2504		4068
2505	my $bug_warning = 0;	4069	my $bug_warning = 0;
2506		4070
2507	$TICK_WATCHER = Event->timer (	4071	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4072	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4073
2510	prio => 0,	4074	sub wait_for_tick() {
2511	at => $NEXT_TICK || $TICK,	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4076
2513	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	$signal->wait;
		4088	}
		4089
		4090	sub tick {
2514	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2517	return;	4094	return;
2518	}	4095	}
2519		4096
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4098
2526	$WAIT_FOR_TICK->broadcast;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4100
2529	Event::sweep;	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	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#
2531		4125	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4126	}
2541	);	4127	}
2542		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;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
		4176	undef $AnyEvent::AIO::WATCHER;
		4177	}
2544		4178
2545	undef $Coro::AIO::WATCHER;	4179	our $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (	4180	our $_log_backtrace_last;
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4181
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4182	sub _log_backtrace {
2556	reentrant => 0,	4183	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4184
2558	after => 1,	4185	$msg =~ s/\n$//;
2559	interval => 10,	4186
2560	prio => 6, # keep it lowest so it acts like a watchdog	4187	if ($_log_backtrace_last eq $msg) {
2561	cb => Coro::unblock_sub {	4188	LOG llevInfo, "[ABT] $msg\n";
2562	write_runtime	4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2563	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] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2564	},	4223	}
2565	);	4224	}
		4225
		4226	# load additional modules
		4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2566		4229
2567	END { cf::emergency_save }	4230	END { cf::emergency_save }
2568		4231
2569	1	4232	1
2570		4233

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