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Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $REALLY_UNLOOP; # never set to true, please :)
		155
95	binmode STDOUT;	156	binmode STDOUT;
96	binmode STDERR;	157	binmode STDERR;
97		158
98	# read virtual server time, if available	159	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
103	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
104		167
105	mkdir $_	168	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		170
108	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
109		172
110	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::"} };
111		189
112	#############################################################################	190	#############################################################################
113		191
114	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
115		193
…		…
139		217
140	=item $cf::TICK	218	=item $cf::TICK
141		219
142	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
143		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
144	=item %cf::CFG	232	=item %cf::CFG
145		233
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	235	from wherever your confdir points to.
148		236
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		238
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		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.
		259
155	=back	260	=back
156		261
157	=cut	262	=cut
158		263
159	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	271	my $msg = join "", @_;
162		272
163	$msg .= "\n"	273	$msg .= "\n"
164	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
165		275
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		277
168	utf8::encode $msg;
169	LOG llevError, $msg;	278	LOG llevWarn, $msg;
170	};	279	};
171	}	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	};
172		294
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		302
180	# 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
181	# within the Safe compartment.	304	# within the Safe compartment.
182	for my $pkg (qw(	305	for my $pkg (qw(
183	cf::global cf::attachable	306	cf::global cf::attachable
184	cf::object cf::object::player	307	cf::object cf::object::player
185	cf::client cf::player	308	cf::client cf::player
186	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
187	cf::map cf::party cf::region	311	cf::party cf::region
188	)) {	312	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	314	}
192		315
193	$Event::DIED = sub {	316	$EV::DIED = sub {
194	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
195	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
196		326
197	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
198		328
199	=over 4	329	=over 4
200		330
…		…
219	$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;
220	$d	350	$d
221	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
222	}	352	}
223		353
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
225		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
226	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
227		369
228	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
229		371
230	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
231		373
232	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
233		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		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	}
		443	}
		444
234	=item cf::lock_wait $string	445	=item cf::lock_wait $string
235		446
236	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
237		448
238	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
239		450
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
243	returned.	454	returned.
244		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
245	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
246	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
247		461
248	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
249		463
250	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
251		465
252	=cut	466	=cut
253		467
254	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
255		469
256	sub lock_wait($) {	470	sub lock_wait($) {
257	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	472	}
265		473
266	sub lock_acquire($) {	474	sub lock_acquire($) {
267	my ($key) = @_;	475	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	476	}
279		477
280	sub lock_active($) {	478	sub lock_active($) {
281	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	480	}
285		481
286	sub freeze_mainloop {	482	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
288		484
289	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	486	}
		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	}
291	};	556	}
292	$TICK_WATCHER->stop;	557	};
293	$guard	558
		559	sub get_slot($;$$) {
		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;
294	}	572	}
295		573
296	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
297		575
298	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		581
304	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
305		583
306	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
307		585
308	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
309	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
310	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.
311		590
312	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
313	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
314	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
315	fast or be very important.	594	fast or be very important.
…		…
317	=cut	596	=cut
318		597
319	sub sync_job(&) {	598	sub sync_job(&) {
320	my ($job) = @_;	599	my ($job) = @_;
321		600
322	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
323	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
325		606
326	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	608
328	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
329		610
330	my $busy = 1;	611	my $busy = 1;
331	my @res;	612	my @res;
332		613
333	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	616	@res = eval { $job->() };
335	warn $@ if $@;	617	error $@ if $@;
336	undef $busy;	618	undef $busy;
337	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
338		620
339	while ($busy) {	621	while ($busy) {
340	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
341	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
342		632
343	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
344	} else {	634	} else {
345	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
346		636
…		…
366	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
367		657
368	$coro	658	$coro
369	}	659	}
370		660
371	sub write_runtime {	661	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		662
374	my $runtime = "$LOCALDIR/runtime";	663	Executes the given code block with the given arguments in a seperate
		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.
375		667
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
377	or return;
378		669
379	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
381	# 60 allows for the watchdog to kill the server.	672	}
382		673
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
384	and return;	675	my ($cb, @args) = @_;
385		676
386	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
388	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
389		680
390	close $fh	681	my @res = Coro::Util::fork_eval {
391	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
392		685
393	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
394	and return;	687	}
395		688
		689	sub objinfo {
396	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"
397	}	853	}
398		854
399	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
400		856
401	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
402		858
403	=cut	859	=cut
404		860
405	sub datalog($@) {	861	sub datalog($@) {
406	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	864	}
409		865
410	=back	866	=back
411		867
412	=cut	868	=cut
413		869
414	#############################################################################	870	#############################################################################
415		871
416	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
417		873
418	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
419	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")
420	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
421		877
422	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>
423	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
424	crossfire+).	880	Deliantra).
425		881
426	=over 4	882	=over 4
427		883
428	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
429		885
…		…
473	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
474		930
475	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
476	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
477		933
478	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		936
481	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
482		938
483	=over 4	939	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
593		1049
594	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1054
599	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
601		1057
602	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
607		1063
608	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1066
611	} elsif (ref $type) {	1067	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
613		1069
614	} else {	1070	} else {
615	shift @arg;	1071	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
617	}	1073	}
618	}	1074	}
619	}	1075	}
620		1076
621	sub _object_attach {	1077	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
632	}	1088	}
633		1089
634	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
635	} else {	1091	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1093	}
638		1094
639	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
640	}	1096	}
641		1097
…		…
643	if (ref $_[0]) {	1099	if (ref $_[0]) {
644	_object_attach @_;	1100	_object_attach @_;
645	} else {	1101	} else {
646	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
647	}	1103	}
		1104	_recalc_want;
648	};	1105	};
649		1106
650	# all those should be optimised	1107	# all those should be optimised
651	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1113	reattach ($obj);
657	} else {	1114	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
659	}	1116	}
		1117	_recalc_want;
660	};	1118	};
661		1119
662	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
664		1122
…		…
679	";	1137	";
680	die if $@;	1138	die if $@;
681	}	1139	}
682		1140
683	our $override;	1141	our $override;
684	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?
685		1143
686	sub override {	1144	sub override {
687	$override = 1;	1145	$override = 1;
688	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
689	}	1147	}
690		1148
691	sub do_invoke {	1149	sub do_invoke {
692	my $event = shift;	1150	my $event = shift;
693	my $callbacks = shift;	1151	my $callbacks = shift;
694		1152
695	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
696		1154
697	local $override;	1155	local $override;
698		1156
699	for (@$callbacks) {	1157	for (@$callbacks) {
700	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
701		1159
702	if ($@) {	1160	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1162	override;
706	}	1163	}
707		1164
708	return 1 if $override;	1165	return 1 if $override;
709	}	1166	}
710		1167
711	0	1168	0
712	}	1169	}
713		1170
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1172
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1174
718	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
719		1176
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1180
724	=back	1181	=back
725		1182
726	=cut	1183	=cut
727		1184
728	#############################################################################	1185	#############################################################################
729	# 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	}
730		1229
731	sub reattach {	1230	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1232	my ($obj) = @_;
734		1233
		1234	# no longer needed after getting rid of delete_package?
735	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
736		1236
737	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
738		1238
739	@$registry = ();	1239	@$registry = ();
740		1240
…		…
745	for (@$attach) {	1245	for (@$attach) {
746	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
748	}	1248	}
749	} else {	1249	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1251	}
752	}	1252	}
753	}	1253	}
754		1254
755	cf::attachable->attach (	1255	cf::attachable->attach (
756	prio => -1000000,	1256	prio => -1000000,
757	on_instantiate => sub {	1257	on_instantiate => sub {
758	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
759		1259
760	$data = from_json $data;	1260	$data = decode_json $data;
761		1261
762	for (@$data) {	1262	for (@$data) {
763	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
764		1264
765	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1281	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
783		1283
784	sync_job {	1284	sync_job {
785	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
788		1290
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1296	aio_fsync $fh;
		1297	}
793	close $fh;	1298	aio_close $fh;
794		1299
795	if (@$objs) {	1300	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1307	aio_fsync $fh;
		1308	}
801	close $fh;	1309	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
803	}	1311	}
804	} else {	1312	} else {
805	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
806	}	1314	}
807		1315
808	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1320	} else {
810	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
811	}	1322	}
812	} else {	1323	} else {
813	aio_unlink $filename;	1324	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
815	}	1326	}
816	}	1327	};
817	}	1328	}
818		1329
819	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
821		1332
…		…
833	or return;	1344	or return;
834		1345
835	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
837	or return;	1348	or return;
		1349
838	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
839	}	1352	}
840		1353
		1354	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
843	return ($data, $av);	1359	($data, $av)
844	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
845		1367
846	#############################################################################	1368	#############################################################################
847	# command handling &c	1369	# command handling &c
848		1370
849	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1385	}
864		1386
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1388
867	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.
868		1394
869	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
870	called.	1396	called.
871		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
872	=cut	1409	=cut
873		1410
874	sub register_extcmd {	1411	sub register_extcmd {
875	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
876		1413
877	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
878	}	1415	}
879		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
880	cf::player->attach (	1425	cf::player->attach (
881	on_command => sub {	1426	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
883		1428
884	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
885	or return;	1430	or return;
886		1431
…		…
891	cf::override;	1436	cf::override;
892	},	1437	},
893	on_extcmd => sub {	1438	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
895		1440
896	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1442
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
904	} else {	1458	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1460	}
907		1461
908	cf::override;	1462	cf::override;
909	},	1463	},
910	);	1464	);
911		1465
		1466	# "readahead" all extensions
912	sub load_extension {	1467	sub cache_extensions {
913	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
914		1469
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1473	}
940	die $@;
941	}	1474	};
942		1475
943	push @EXTS, $pkg;	1476	$grp
944	}	1477	}
945		1478
946	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
947	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1486	next unless -r $path;
949	eval {	1487
950	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	}
951	1	1551	}
952	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
953	}	1564	};
954	}	1565	}
955		1566
956	#############################################################################	1567	#############################################################################
957		1568
		1569	=back
		1570
958	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
959		1572
960	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
961		1574
962	=cut	1575	=cut
963		1576
964	package cf::player;	1577	package cf::player;
965		1578
966	use Coro::AIO;	1579	use Coro::AIO;
967		1580
968	=head3 cf::player	1581	=head3 cf::player
969		1582
970	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
971		1598
972	=item cf::player::find $login	1599	=item cf::player::find $login
973		1600
974	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
975		1602
…		…
994		1621
995	sub exists($) {	1622	sub exists($) {
996	my ($login) = @_;	1623	my ($login) = @_;
997		1624
998	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1000	}	1627	}
1001		1628
1002	sub find($) {	1629	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1631	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1642
1016	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1019	}	1652	}
1020	}	1653	}
1021	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1022		1668
1023	sub save($) {	1669	sub save($) {
1024	my ($pl) = @_;	1670	my ($pl) = @_;
1025		1671
1026	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1032		1678
1033	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1035		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1036	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1037	Coro::cede;	1688	cf::cede_to_tick;
1038	}	1689	}
1039		1690
1040	sub new($) {	1691	sub new($) {
1041	my ($login) = @_;	1692	my ($login) = @_;
1042		1693
…		…
1048	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1049		1700
1050	$self	1701	$self
1051	}	1702	}
1052		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1053	=item $pl->quit_character	1714	=item $pl->quit_character
1054		1715
1055	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1057		1718
…		…
1061	my ($pl) = @_;	1722	my ($pl) = @_;
1062		1723
1063	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1064		1725
1065	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1728
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1071	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1072		1737
1073	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1110	or return [];	1775	or return [];
1111		1776
1112	my @logins;	1777	my @logins;
1113		1778
1114	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1118		1789
1119	utf8::decode $login;	1790	utf8::decode $login;
1120	push @logins, $login;	1791	push @logins, $login;
1121	}	1792	}
1122		1793
1123	\@logins	1794	\@logins
1124	}	1795	}
1125		1796
1126	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1127		1800
1128	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1129	player. May block.	1802	player. May block.
1130		1803
1131	=cut	1804	=cut
…		…
1149	}	1822	}
1150		1823
1151	\@paths	1824	\@paths
1152	}	1825	}
1153		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1154	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1155		1832
1156	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1157		1834
1158	=cut	1835	=cut
1159		1836
1160	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1162		1839
1163	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1841	}
1167		1842
1168	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1169		1844
1170	Sends an ext event to the client.	1845	Sends an ext event to the client.
1171		1846
1172	=cut	1847	=cut
1173		1848
1174	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1176		1851
1177	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1178	}	1853	}
1179		1854
1180	=head3 cf::region	1855	=head3 cf::region
1181		1856
1182	=over 4	1857	=over 4
…		…
1185		1860
1186	package cf::region;	1861	package cf::region;
1187		1862
1188	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1189		1864
1190	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1191		1866
1192	=cut	1867	=cut
1193		1868
1194	sub find_by_path($) {	1869	sub find_by_path($) {
1195	my ($path) = @_;	1870	my ($path) = @_;
1196		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1197	my ($match, $specificity);	1874	my ($match, $specificity);
1198		1875
1199	for my $region (list) {	1876	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1203	}	1880	}
1204	}	1881	}
1205		1882
…		…
1226	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1228		1905
1229	sub generate_random_map {	1906	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1232	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	1912	}
1246		1913
1247	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1248		1915
1249	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1254		1921
1255	sub register {	1922	sub register {
1256	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1924	my $pkg = caller;
1258		1925
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1927
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1929	}
1264		1930
1265	# also paths starting with '/'	1931	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1933
1268	sub thawer_merge {	1934	sub thawer_merge {
1269	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1270		1936
1271	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1272	local $self->{path};	1938	local $self->{path};
1273	local $self->{load_path};	1939	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1940
1277	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1278	}	1942	}
1279		1943
1280	sub normalise {	1944	sub normalise {
1281	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1282		1946
1283	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1284		1948
1285	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1286		1950
1287	# map plan:	1951	# map plan:
1288	#	1952	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1968	$path = "$base/$path";
1305	}	1969	}
1306		1970
1307	for ($path) {	1971	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1311	}	1974	}
1312		1975
1313	$path	1976	$path
…		…
1327	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1328	return $self;	1991	return $self;
1329	}	1992	}
1330	}	1993	}
1331		1994
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1996	()
1334	}	1997	}
1335		1998
		1999	# may re-bless or do other evil things
1336	sub init {	2000	sub init {
1337	my ($self) = @_;	2001	my ($self) = @_;
1338		2002
1339	$self	2003	$self
1340	}	2004	}
…		…
1359		2023
1360	# the temporary/swap location	2024	# the temporary/swap location
1361	sub save_path {	2025	sub save_path {
1362	my ($self) = @_;	2026	my ($self) = @_;
1363		2027
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1366	}	2030	}
1367		2031
1368	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1369	sub uniq_path {	2033	sub uniq_path {
1370	my ($self) = @_;	2034	my ($self) = @_;
1371		2035
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1374	}	2038	}
1375		2039
1376	# and all this just because we cannot iterate over	2040	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2041	my ($self) = @_;
1380		2042
1381	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1383	}	2046	}
1384		2047
1385	sub unlink_save {	2048	sub unlink_save {
1386	my ($self) = @_;	2049	my ($self) = @_;
1387		2050
…		…
1392		2055
1393	sub load_header_from($) {	2056	sub load_header_from($) {
1394	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1395		2058
1396	utf8::encode $path;	2059	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2061	or return;
1402		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1403	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1404		2070
1405	1	2071	1
1406	}	2072	}
1407		2073
		2074	# used to laod the header of an original map
1408	sub load_header_orig {	2075	sub load_header_orig {
1409	my ($self) = @_;	2076	my ($self) = @_;
1410		2077
1411	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1412	}	2079	}
1413		2080
		2081	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2082	sub load_header_temp {
1415	my ($self) = @_;	2083	my ($self) = @_;
1416		2084
1417	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1418	}	2086	}
1419		2087
		2088	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2089	sub prepare_temp {
1421	my ($self) = @_;	2090	my ($self) = @_;
1422		2091
1423	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1425	# safety	2094	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2097	}
1429		2098
		2099	# called after loading the header from an original map
1430	sub prepare_orig {	2100	sub prepare_orig {
1431	my ($self) = @_;	2101	my ($self) = @_;
1432		2102
1433	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2115	$self->load_header_orig
1446	or return;	2116	or return;
1447	$self->prepare_orig;	2117	$self->prepare_orig;
1448	}	2118	}
1449		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1450	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2124	unless $self->default_region;
1452		2125
1453	1	2126	1
1454	}	2127	}
1455		2128
1456	sub find;	2129	sub find;
1457	sub find {	2130	sub find {
1458	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1459		2132
		2133	cf::cede_to_tick;
		2134
1460	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1461		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2139
1464	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1467	or return;	2142	or return;
1468		2143
1469	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1470		2145
1471	$map->load_header	2146	$map->load_header
1472	or return;	2147	or return;
1473		2148
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1477	$map->reset;	2154	$map->reset;
1478	undef $guard;
1479	return find $path;	2155	return find $path;
1480	}	2156	}
1481		2157
1482	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1483	}	2159	}
1484	}	2160	}
1485		2161
1486	sub pre_load { }	2162	sub pre_load { }
1487	sub post_load { }	2163	#sub post_load { } # XS
1488		2164
1489	sub load {	2165	sub load {
1490	my ($self) = @_;	2166	my ($self) = @_;
1491		2167
1492	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1493		2169
1494	my $path = $self->{path};	2170	my $path = $self->{path};
1495		2171
1496	{	2172	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1498		2174
		2175	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2177
1501	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1502		2179
1503	$self->alloc;	2180	$self->alloc;
1504		2181
1505	$self->pre_load;	2182	$self->pre_load;
1506	Coro::cede;	2183	cf::cede_to_tick;
1507		2184
1508	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1509	or return;	2189	or return;
1510		2190
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1512	if delete $self->{load_original};	2192	if delete $self->{load_original};
1513		2193
1514	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2195	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2198	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1519	}	2203	}
1520	}
1521		2204
1522	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1523	# now do the right thing for maps	2212	# now do the right thing for maps
1524	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2215	unless $self->difficulty;
1527	Coro::cede;	2216	cf::cede_to_tick;
1528		2217
1529	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2219	$self->decay_objects;
1531	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1532	$self->update_buttons;	2221	$self->update_buttons;
1533	Coro::cede;	2222	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2223	$self->activate;
1537	}	2224	}
1538		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2230	}
1541		2231
1542	$self->post_load;	2232	$self->post_load;
1543	}
1544		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2240	sub customise_for {
1546	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1547		2242
1548	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2244	if $self->per_player;
1550		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
1551	$self	2249	$self
1552	}	2250	}
1553		2251
1554	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2253	sub load_neighbours {
1556	my ($map) = @_;	2254	my ($map) = @_;
1557		2255
1558	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1559		2257
1560	for (0 .. 3) {	2258	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1562	or next;	2260	or next;
1563	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1564	or next;	2262	or next;
1565	$neigh->load;	2263	$neigh->load;
1566		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2269	}
1570		2270
1571	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1573	or next;	2274	or next;
1574	$neigh->load;	2275	$neigh->load;
1575	}	2276	}
1576	}	2277	}
1577		2278
1578	sub find_sync {	2279	sub find_sync {
1579	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1580		2281
1581	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1582	}	2286	}
1583		2287
1584	sub do_load_sync {	2288	sub do_load_sync {
1585	my ($map) = @_;	2289	my ($map) = @_;
1586		2290
1587	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1588	}	2295	}
1589		2296
1590	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1592		2299
1593	sub find_async {	2300	sub find_async {
1594	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1595		2302
1596	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1597		2304
1598	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2307	}
1601		2308
1602	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1603	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1604	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2316	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2317	$map->load if $v;
		2318	}
1609		2319
1610	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1611	}	2321	}
1612	}	2322	}
1613	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1614	};	2324	};
1615	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1616		2326
1617	()	2327	()
1618	}	2328	}
1619		2329
		2330	# common code, used by both ->save and ->swapout
1620	sub save {	2331	sub _save {
1621	my ($self) = @_;	2332	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2333
1625	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1626		2335
1627	return unless $self->dirty;	2336	return unless $self->dirty;
1628		2337
…		…
1634	return if $self->{deny_save};	2343	return if $self->{deny_save};
1635		2344
1636	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1637		2346
1638	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1640	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1641		2353
1642	if ($uniq) {	2354	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2357	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2359	}
1648	}	2360	}
1649		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1650	sub swap_out {	2370	sub swap_out {
1651	my ($self) = @_;	2371	my ($self) = @_;
1652		2372
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1658	return if $self->players;	2377	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1662	$self->clear;	2388	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2389	}
1665		2390
1666	sub reset_at {	2391	sub reset_at {
1667	my ($self) = @_;	2392	my ($self) = @_;
1668		2393
1669	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1672		2396
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2399
…		…
1686	my ($self) = @_;	2410	my ($self) = @_;
1687		2411
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2413
1690	return if $self->players;	2414	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2415
1693	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1694		2417
1695	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1696		2419
1697	# need to save uniques path	2420	# need to save uniques path
1698	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2425	if $uniq;
1703	}	2426	}
1704		2427
1705	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1706		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2432	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2433
1711	$self->unlink_save;	2434	$self->unlink_save;
1712	$self->destroy;	2435	$self->destroy;
1713	}	2436	}
1714		2437
1715	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1716		2439
1717	sub nuke {	2440	sub nuke {
1718	my ($self) = @_;	2441	my ($self) = @_;
1719		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1720	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1721		2447
1722	$self->unlink_save;	2448	$self->unlink_save;
1723		2449
1724	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2455
1730	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1731		2458
1732	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1733	}	2496	}
1734		2497
1735	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1736		2499
1737	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2501	instantiated unique items. May block.
1739		2502
1740	=cut	2503	=cut
1741		2504
1742	sub unique_maps() {	2505	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2506	[
1744	or return;	2507	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2508	utf8::decode $_;
1750	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2511	? ()
1753	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2514	]
1755
1756	\@paths
1757	}	2515	}
1758		2516
1759	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1760		2548
1761	=back	2549	=back
1762		2550
1763	=head3 cf::object	2551	=head3 cf::object
1764		2552
…		…
1768		2556
1769	=over 4	2557	=over 4
1770		2558
1771	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1772		2560
1773	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1774		2563
1775	=cut	2564	=cut
1776		2565
1777	sub inv_recursive_;	2566	sub inv_recursive_;
1778	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1781		2570
1782	sub inv_recursive {	2571	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1784	}	2573	}
1785		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1786	package cf;	2603	package cf;
1787		2604
1788	=back	2605	=back
1789		2606
1790	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1799		2616
1800	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1801		2632
1802	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2634	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1807		2638
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2640
1810	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1812	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1815	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1816	}	2666	}
1817		2667
1818	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1819		2669
1820	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1833		2683
1834	=item $player_object->enter_link	2684	=item $player_object->enter_link
1835		2685
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2687
1838	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1840		2692
1841	Will never block.	2693	Will never block.
1842		2694
1843	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1844		2696
…		…
1864	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2717	my ($self) = @_;
1866		2718
1867	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1868		2720
		2721	++$self->{_link_recursion};
		2722
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2724
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1873		2727
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2729	}
1876		2730
1877	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1879		2735
1880	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1881		2737
1882	unless ($map) {	2738	unless ($map) {
1883	# restore original map position	2739	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1896		2752
1897	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1900		2756
1901	$map->load;	2757	$map->load;
1902	$map->load_diag;	2758	$map->load_neighbours;
1903		2759
1904	return unless $self->contr->active;	2760	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2761
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1909	}	2764	# entering was successful
1910		2765	delete $self->{_link_recursion};
1911	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2767	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2768	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2769
1925	# try to abort aborted map switching on player login :)	2770	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2771
1943	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1945	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1946		2786
1947	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2798
1950	$self->enter_link;	2799	$self->enter_link;
1951		2800
1952	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1953	my $map = eval {	2823	my $map = eval {
1954	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1956	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2839	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1961	})->prio (1);	2847	})->prio (1);
1962	}	2848	}
1963		2849
1964	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1965		2851
…		…
1985	}	2871	}
1986		2872
1987	sub prepare_random_map {	2873	sub prepare_random_map {
1988	my ($exit) = @_;	2874	my ($exit) = @_;
1989		2875
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2878	# that depends on the exit object
1995		2879
1996	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2882	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2003	}	2889	}
2004		2890
2005	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2006		2892
2007	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2010		2896
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2899	undef $fh;
2014	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2015		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2018	}	2908	}
2019	}	2909	}
2020		2910
2021	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2023		2913
2024	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2025		2915
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2916	$self->enter_link;
2038		2917
2039	(async {	2918	(async {
2040	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2041	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2042	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2043		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2044	1;	2955	1
2045	}) {	2956	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2961
2051	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2963	$self->leave_link;
2053	}	2964	}
2054	})->prio (1);	2965	})->prio (1);
2055	}	2966	}
2056		2967
…		…
2070		2981
2071	utf8::encode $text;	2982	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2984	}
2074		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2075	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2076		3174
2077	Sends an exti event to the client.	3175	Sends an ext event to the client.
2078		3176
2079	=cut	3177	=cut
2080		3178
2081	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2083		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2086	}	3206	}
2087		3207
2088	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2089		3209
2090	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3213
2094	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3215	become reliable at some point in the future.
2096		3216
2097	=cut	3217	=cut
2098		3218
2099	sub cf::client::query {	3219	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3228	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3230
2111	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2113	}	3235	}
2114		3236
2115	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2116	on_reply => sub {	3243	on_reply => sub {
2117	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2118		3245
2119	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2120	# get handled first	3247	# get handled first
…		…
2132	} else {	3259	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3261	}
2135	}	3262	}
2136	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2137	);	3290	);
2138		3291
2139	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2140		3293
2141	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3310
2158	$coro	3311	$coro
2159	}	3312	}
2160		3313
2161	cf::client->attach (	3314	cf::client->attach (
2162	on_destroy => sub {	3315	on_client_destroy => sub {
2163	my ($ns) = @_;	3316	my ($ns) = @_;
2164		3317
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3319	},
2167	);	3320	);
…		…
2182	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2184		3337
2185	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2186		3339
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2188		3345
2189	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2190		3347
2191	=pod	3348	=pod
2192		3349
2193	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2194		3351
2195	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2196	cf::object::player player	3357	cf::object::player
2197	cf::player peaceful	3358	player
2198	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2199		3365
2200	=cut	3366	=cut
2201		3367
2202	for (	3368	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2207	) {	3375	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3378	for @funs;
2212	}	3379	}
2213		3380
…		…
2228		3395
2229	my $qcode = $code;	3396	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2232		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2233	local $_;	3403	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3404
2236	my $eval =	3405	my $eval =
2237	"do {\n"	3406	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3409	. $code
2241	. "\n}"	3410	. "\n}"
2242	;	3411	;
2243		3412
		3413	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2247		3422
2248	if ($@) {	3423	if ($@) {
2249	warn "$@";	3424	warn "$@",
2250	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2252	}	3427	}
2253		3428
2254	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2255	}	3430	}
2256		3431
…		…
2270	=cut	3445	=cut
2271		3446
2272	sub register_script_function {	3447	sub register_script_function {
2273	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2274		3449
2275	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2277	}	3452	}
2278		3453
2279	=back	3454	=back
2280		3455
2281	=cut	3456	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456		3457
2457	#############################################################################	3458	#############################################################################
2458	# the server's init and main functions	3459	# the server's init and main functions
2459		3460
2460	sub load_facedata($) {	3461	sub load_facedata($) {
2461	my ($path) = @_;	3462	my ($path) = @_;
2462		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2463	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2464		3471
2465	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2466	0 < aio_load $path, $facedata
2467	or die "$path: $!";
2468
2469	$facedata = Coro::Storable::thaw $facedata;
2470		3473
2471	$facedata->{version} == 2	3474	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2474	{	3486	{
2475	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2476		3488
2477	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2482	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2483	}	3499	}
2484		3500
2485	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2487	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2488	or next;	3505	or next;
		3506
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3510	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3512	}
2494	Coro::cede;	3513
		3514	cf::cede_to_tick;
2495	}	3515	}
2496	}	3516	}
2497		3517
2498	{	3518	{
2499	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2500		3520
2501	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3523	cf::cede_to_tick;
2504	}	3524	}
2505		3525
2506	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2507	}	3527	}
2508		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2509	1	3548	1
2510	}	3549	}
2511		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2512	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2513	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
2515	}	3581	}
2516		3582
2517	sub reload_facedata {	3583	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3584	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
…		…
2527	sub reload_treasures {	3593	sub reload_treasures {
2528	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2529	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2530	}	3596	}
2531		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2532	sub reload_resources {	3618	sub reload_resources {
2533	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2534		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2535	reload_regions;	3626	reload_regions;
2536	reload_facedata;
2537	reload_archetypes;
2538	reload_treasures;	3627	reload_treasures;
2539		3628
2540	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2541	}	3630	}
2542		3631
2543	sub init {	3632	sub reload_config {
2544	reload_resources;	3633	trace "reloading config file...\n";
2545	}
2546		3634
2547	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2549	or return;	3637	*CFG = decode_yaml $config;
2550		3638
2551	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;
2553
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2555		3640
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2558		3643
2559	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2563	};	3648	};
2564	warn $@ if $@;	3649	warn $@ if $@;
2565	}	3650	}
2566	}	3651	}
2567		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2568	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2569	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3694	(async {
2573	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2575	};	3698	};
2576		3699
2577	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2578	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2579	load_extensions;	3723	load_extensions;
2580		3724
2581	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2582	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2583	}	3743	}
2584		3744
2585	#############################################################################	3745	#############################################################################
2586	# initialisation and cleanup	3746	# initialisation and cleanup
2587		3747
2588	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2589	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2598	},
2599	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2600	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2601	}	3844	}
2602		3845
2603	sub emergency_save() {	3846	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2605		3848
2606	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2607		3855
2608	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2609	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2610	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2611	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2613	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3867	$pl->save;
2617	}	3868	}
2618	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2619		3870
2620	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2621	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2622	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2623	$map->valid or next;	3876	$map->valid or next;
2624	$map->save;	3877	$map->save;
2625	}	3878	}
2626	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2627		3880
2628	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2631	};	3909	};
2632		3910
2633	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2634	}	3912	}
2635		3913
2636	sub post_cleanup {	3914	sub post_cleanup {
2637	my ($make_core) = @_;	3915	my ($make_core) = @_;
2638		3916
		3917	IO::AIO::flush;
		3918
2639	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2641	}	3949	}
2642		3950
2643	sub do_reload_perl() {	3951	sub do_reload_perl() {
2644	# can/must only be called in main	3952	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2646	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2647	return;	3955	return;
2648	}	3956	}
2649		3957
2650	warn "reloading...";	3958	return if $RELOAD++;
2651		3959
2652	warn "entering sync_job";	3960	my $t1 = AE::time;
2653		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2654	cf::sync_job {	3968	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark
2656	cf::emergency_save;	3969	#cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark
2658		3970
2659	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;
2661
2662	# if anything goes wrong in here, we should simply crash as we already saved
2663
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;
2675	warn "iterate...";
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();	3973	%EXT_CORO = ();
2683		3974
2684	warn "removing commands";	3975	trace "perl_reload: removing commands";
2685	%COMMAND = ();	3976	%COMMAND = ();
2686		3977
2687	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2688	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2689		3981
2690	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2693		3985
2694	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2695	eval {	3987	eval {
2696	$cb->($pkg);	3988	$cb->($pkg);
2697	1	3989	1
2698	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2699	}	3995	}
2700		3996
2701	warn "... nuking $pkg";
2702	Symbol::delete_package $pkg;
2703	}
2704
2705	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2706	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		4000
2709	warn "... unloading $k";	4001	trace "... unloading $k";
2710	delete $INC{$k};	4002	delete $INC{$k};
2711		4003
2712	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2714		4006
2715	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2716	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2717	}	4012	}
2718		4013
2719	Symbol::delete_package $k;
2720	}
2721
2722	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		4017
2726	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2729		4021
2730	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2731	# and global variables created in xs	4023	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2733		4025
2734	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2735		4027
2736	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2737	require cf;	4029	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2739		4031
2740	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2741	cf::cfg_load;	4033	cf::reload_config;
2742		4034
2743	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2744	cf::load_extensions;	4036	cf::load_extensions;
2745		4037
		4038	if ($REATTACH_ON_RELOAD) {
2746	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2749	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2752		4046
2753	warn "leaving sync_job";	4047	cf::_post_init 1;
2754		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2755	1	4051	1
2756	} or do {	4052	} or do {
2757	warn $@;	4053	error $@;
2758	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2759	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2760	};	4058	}
2761		4059
2762	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2763	};	4062	};
2764		4063
2765	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2766		4065
2767	sub reload_perl() {	4066	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2770		4069
2771	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2772	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2773	after => 0,	4072
2774	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2775	cb => sub {
2776	do_reload_perl;	4074	do_reload_perl;
2777	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2778	},	4076	};
2779	);	4077	};
2780	}	4078	}
2781		4079
2782	register_command "reload" => sub {	4080	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2784		4082
2785	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	4087	reload_perl;
		4088	};
2788	}	4089	}
2789	};	4090	};
2790		4091
2791	unshift @INC, $LIBDIR;	4092	#############################################################################
2792		4093
2793	my $bug_warning = 0;	4094	my $bug_warning = 0;
2794		4095
2795	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2797		4098
2798	sub wait_for_tick {	4099	sub wait_for_tick() {
2799	return unless $TICK_WATCHER->is_active;
2800	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2801		4101
2802	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2803	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;	4104	$signal->wait;
2805	}	4105	}
2806		4106
2807	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2808	return unless $TICK_WATCHER->is_active;
2809	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2810		4109
2811	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	4112	$signal->wait;
2814	}	4113	}
2815		4114
2816	$TICK_WATCHER = Event->timer (	4115	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2826	return;	4119	return;
2827	}	4120	}
2828		4121
2829	$NOW = Event::time;
2830
2831	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2832		4123
2833	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2834	$NEXT_TICK += $TICK;
2835		4125
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	4130	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2841	};
2842	}	4132	};
		4133	}
2843		4134
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	4136	$sig->send;
2855	}	4137	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	4139	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	4140	}
2862	);	4141
		4142	$LOAD = ($NOW - $TICK_START) / $TICK;
		4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4144
		4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
		4151	}
		4152	}
2863		4153
2864	{	4154	{
2865	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	4156
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2875		4158	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		4160
2891	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		4168
2894	cf::sync_job {	4169	cf::sync_job {
2895	eval {	4170	eval {
2896	BDB::db_env_open	4171	BDB::db_env_open
2897	$DB_ENV,	4172	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	4176	0666;
2902		4177
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	4179	};
2908		4180
2909	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	4182	};
2911	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2912	}	4194	}
2913		4195
2914	{	4196	{
		4197	# configure IO::AIO
		4198
2915	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	4202	}
2928		4203
2929	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
2930		4206
2931	sub _log_backtrace {	4207	sub _log_backtrace {
2932	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
2933		4209
2934	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
2935		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2936	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
2938	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
2939	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
2940	my @bt = fork_call {	4223	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
2952	}	4235	}
2953		4236
2954	@funcs	4237	@funcs
2955	};	4238	};
2956		4239
2957	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2958	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
2959	--$_log_backtrace;	4243	--$_log_backtrace;
2960	};	4244	};
2961	} else {	4245	} else {
2962	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
2963	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2964	}	4248	}
2965	}	4249	}
2966		4250
2967	# load additional modules	4251	# load additional modules
2968	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
2969		4254
2970	END { cf::emergency_save }	4255	END { cf::emergency_save }
2971		4256
2972	1	4257	1
2973		4258

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