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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
111		152
112	mkdir $_	153	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		155
115	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
158		199
159	The raw value load value from the last tick.	200	The raw value load value from the last tick.
160		201
161	=item %cf::CFG	202	=item %cf::CFG
162		203
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	205	from wherever your confdir points to.
165		206
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		208
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
172	=back	219	=back
173		220
174	=cut	221	=cut
175		222
176	BEGIN {	223	BEGIN {
…		…
180	$msg .= "\n"	227	$msg .= "\n"
181	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
182		229
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		231
185	utf8::encode $msg;
186	LOG llevError, $msg;	232	LOG llevError, $msg;
187	};	233	};
188	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
189		250
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	261	for my $pkg (qw(
201	cf::global cf::attachable	262	cf::global cf::attachable
202	cf::object cf::object::player	263	cf::object cf::object::player
203	cf::client cf::player	264	cf::client cf::player
204	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
205	cf::map cf::party cf::region	267	cf::party cf::region
206	)) {	268	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	270	}
210		271
211	$Event::DIED = sub {	272	$EV::DIED = sub {
212	warn "error in event callback: @_";	273	warn "error in event callback: @_";
213	};	274	};
214		275
215	#############################################################################	276	#############################################################################
216		277
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	301	$d
241	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
242	}	303	}
243		304
244	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
245		306
246	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
247		308
248	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
249		310
250	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
251		312
252	=cut	313	=cut
253		314
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		316
256	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
258		333
259	=item cf::lock_wait $string	334	=item cf::lock_wait $string
260		335
261	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
262		337
263	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
264		339
265	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
268	returned.	343	returned.
269		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
270	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
272		350
273	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
274		352
275	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
276		354
277	=cut	355	=cut
278		356
279	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
280		358
281	sub lock_wait($) {	359	sub lock_wait($) {
282	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	361	}
290		362
291	sub lock_acquire($) {	363	sub lock_acquire($) {
292	my ($key) = @_;	364	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	365	}
304		366
305	sub lock_active($) {	367	sub lock_active($) {
306	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	369	}
310		370
311	sub freeze_mainloop {	371	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
313		373
314	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
316	};	435	}
317	$TICK_WATCHER->stop;	436	};
318	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
319	}	450	}
320		451
321	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
322		453
323	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		459
329	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
330		461
331	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
332		463
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	467	acceptable.
337		468
338	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		475
345	sub sync_job(&) {	476	sub sync_job(&) {
346	my ($job) = @_;	477	my ($job) = @_;
347		478
348	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	480	my $time = EV::time;
350		481
351	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
353		484
354	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	486
356	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
357		488
358	my $busy = 1;	489	my $busy = 1;
359	my @res;	490	my @res;
360		491
361	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	494	@res = eval { $job->() };
363	warn $@ if $@;	495	warn $@ if $@;
364	undef $busy;	496	undef $busy;
365	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
366		498
367	while ($busy) {	499	while ($busy) {
368	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
369	}	504	}
		505	}
370		506
371	$time = Event::time - $time;	507	my $time = EV::time - $time;
372		508
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
377		510
378	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
379	} else {	512	} else {
380	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
381		514
…		…
406	=item fork_call { }, $args	539	=item fork_call { }, $args
407		540
408	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
412		545
413	=cut	546	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		547
424	sub fork_call(&@) {	548	sub fork_call(&@) {
425	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
426		550
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		554
432	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	556	reset_signals;
446	local $SIG{__WARN__};	557	&$cb
447	local $SIG{__DIE__};	558	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		559
454	eval {	560	wantarray ? @res : $res[-1]
455	close $fh1;	561	}
456		562
457	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
458		564
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
460	close $fh2;
461	};
462		566
463	warn $@ if $@;	567	our %coin_alias = (
464	_exit 0;	568	"silver" => "silvercoin",
465	}	569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
466	}	588	}
467		589
468	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
469		591
470	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
473		595
474	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
477	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
478		622
479	our $DB;	623	our $DB;
480		624
481	sub db_init {	625	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	626	cf::sync_job {
486	eval {	627	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	628	};
496	}	629	}
497		630
498	sub db_get($$) {	631	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
500		633
…		…
550	if (1) {	683	if (1) {
551	$md5 =	684	$md5 =
552	join "\x00",	685	join "\x00",
553	$processversion,	686	$processversion,
554	map {	687	map {
555	Coro::cede;	688	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	690	} 0.. $#$src;
558		691
559		692
560	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		731
599	#############################################################################	732	#############################################################################
600		733
601	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
602		735
603	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
606		739
607	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	742	Deliantra).
610		743
611	=over 4	744	=over 4
612		745
613	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
614		747
…		…
658	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
659		792
660	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
662		795
663	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
665		798
666	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
667		800
668	=over 4	801	=over 4
…		…
866	";	999	";
867	die if $@;	1000	die if $@;
868	}	1001	}
869		1002
870	our $override;	1003	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1005
873	sub override {	1006	sub override {
874	$override = 1;	1007	$override = 1;
875	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
876	}	1009	}
877		1010
878	sub do_invoke {	1011	sub do_invoke {
879	my $event = shift;	1012	my $event = shift;
880	my $callbacks = shift;	1013	my $callbacks = shift;
881		1014
882	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
883		1016
884	local $override;	1017	local $override;
885		1018
886	for (@$callbacks) {	1019	for (@$callbacks) {
887	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
896	}	1029	}
897		1030
898	0	1031	0
899	}	1032	}
900		1033
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1035
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1037
905	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
906		1039
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1043
911	=back	1044	=back
912		1045
913	=cut	1046	=cut
914		1047
915	#############################################################################	1048	#############################################################################
916	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
917		1092
918	sub reattach {	1093	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1095	my ($obj) = @_;
921		1096
		1097	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1099
924	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
925		1101
926	@$registry = ();	1102	@$registry = ();
927		1103
…		…
942	cf::attachable->attach (	1118	cf::attachable->attach (
943	prio => -1000000,	1119	prio => -1000000,
944	on_instantiate => sub {	1120	on_instantiate => sub {
945	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
946		1122
947	$data = from_json $data;	1123	$data = decode_json $data;
948		1124
949	for (@$data) {	1125	for (@$data) {
950	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
951		1127
952	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1144	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
970		1146
971	sync_job {	1147	sync_job {
972	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
975		1152
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	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;
		1158	aio_fsync $fh;
		1159	}
980	close $fh;	1160	aio_close $fh;
981		1161
982	if (@$objs) {	1162	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	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;
		1169	aio_fsync $fh;
		1170	}
988	close $fh;	1171	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
990	}	1173	}
991	} else {	1174	} else {
992	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
993	}	1176	}
994		1177
995	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1182	} else {
997	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
998	}	1184	}
999	} else {	1185	} else {
1000	aio_unlink $filename;	1186	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1002	}	1188	}
1003	}	1189	};
1004	}	1190	}
1005		1191
1006	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
1008		1194
…		…
1020	or return;	1206	or return;
1021		1207
1022	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1210	or return;
		1211
1025	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
1026	}	1214	}
1027		1215
		1216	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1218	$decname, length $data, scalar @{$av || []};
		1219
1030	return ($data, $av);	1220	($data, $av)
1031	}	1221	}
1032		1222
1033	=head2 COMMAND CALLBACKS	1223	=head2 COMMAND CALLBACKS
1034		1224
1035	=over 4	1225	=over 4
…		…
1089	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1090		1280
1091	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1092	}	1282	}
1093		1283
		1284	use File::Glob ();
		1285
1094	cf::player->attach (	1286	cf::player->attach (
1095	on_command => sub {	1287	on_command => sub {
1096	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1097		1289
1098	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1108	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
1109		1301
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1303
1112	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
1118	} else {	1319	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1321	}
1121		1322
1122	cf::override;	1323	cf::override;
1123	},	1324	},
1124	);	1325	);
		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
1125		1339
1126	sub load_extensions {	1340	sub load_extensions {
1127	cf::sync_job {	1341	cf::sync_job {
1128	my %todo;	1342	my %todo;
1129		1343
…		…
1149		1363
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1366
1153	$ext{source} =	1367	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1156	. $source	1370	. $source
1157	. "\n};\n1";	1371	. "\n};\n1";
1158		1372
1159	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1177		1391
1178	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1393	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1395	}
1183		1396
1184	warn $msg;	1397	warn $msg;
1185	}	1398	}
1186		1399
…		…
1200		1413
1201	=back	1414	=back
1202		1415
1203	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1204		1417
1205	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1206		1419
1207	=cut	1420	=cut
1208		1421
1209	package cf::player;	1422	package cf::player;
1210		1423
1211	use Coro::AIO;	1424	use Coro::AIO;
1212		1425
1213	=head3 cf::player	1426	=head3 cf::player
1214		1427
1215	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1216		1443
1217	=item cf::player::find $login	1444	=item cf::player::find $login
1218		1445
1219	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1220		1447
…		…
1239		1466
1240	sub exists($) {	1467	sub exists($) {
1241	my ($login) = @_;	1468	my ($login) = @_;
1242		1469
1243	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1245	}	1472	}
1246		1473
1247	sub find($) {	1474	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1476	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1487
1261	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1264	}	1497	}
1265	}	1498	}
1266	}	1499	}
1267		1500
…		…
1276	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1277		1510
1278	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1280		1513
		1514	cf::get_slot 0.01;
		1515
1281	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1282	Coro::cede;	1517	cf::cede_to_tick;
1283	}	1518	}
1284		1519
1285	sub new($) {	1520	sub new($) {
1286	my ($login) = @_;	1521	my ($login) = @_;
1287		1522
…		…
1293	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1294		1529
1295	$self	1530	$self
1296	}	1531	}
1297		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1298	=item $pl->quit_character	1543	=item $pl->quit_character
1299		1544
1300	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1302		1547
…		…
1306	my ($pl) = @_;	1551	my ($pl) = @_;
1307		1552
1308	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1309		1554
1310	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1557
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1317		1564
1318	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1602	or return [];
1356		1603
1357	my @logins;	1604	my @logins;
1358		1605
1359	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1363		1616
1364	utf8::decode $login;	1617	utf8::decode $login;
1365	push @logins, $login;	1618	push @logins, $login;
1366	}	1619	}
1367		1620
…		…
1394	}	1647	}
1395		1648
1396	\@paths	1649	\@paths
1397	}	1650	}
1398		1651
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1653
1401	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1402		1655
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1450		1657
1451	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1452		1659
1453	=cut	1660	=cut
1454		1661
1455	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1457		1664
1458	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1666	}
1461		1667
1462	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1463		1669
1464	Sends an ext event to the client.	1670	Sends an ext event to the client.
1465		1671
1466	=cut	1672	=cut
1467		1673
1468	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1470		1676
1471	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1472	}	1678	}
1473		1679
1474	=head3 cf::region	1680	=head3 cf::region
1475		1681
1476	=over 4	1682	=over 4
…		…
1520	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1522		1728
1523	sub generate_random_map {	1729	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1525	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1735	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1651		1860
1652	# the temporary/swap location	1861	# the temporary/swap location
1653	sub save_path {	1862	sub save_path {
1654	my ($self) = @_;	1863	my ($self) = @_;
1655		1864
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1658	}	1867	}
1659		1868
1660	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1661	sub uniq_path {	1870	sub uniq_path {
1662	my ($self) = @_;	1871	my ($self) = @_;
1663		1872
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1875	}
1676		1876
1677	sub decay_objects {	1877	sub decay_objects {
1678	my ($self) = @_;	1878	my ($self) = @_;
1679		1879
…		…
1692		1892
1693	sub load_header_from($) {	1893	sub load_header_from($) {
1694	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1695		1895
1696	utf8::encode $path;	1896	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1702		1905
1703	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1704		1907
1705	1	1908	1
1706	}	1909	}
…		…
1760	sub find {	1963	sub find {
1761	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1762		1965
1763	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1764		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1766		1970
1767	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1770	or return;	1973	or return;
1771		1974
1772	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1773		1976
…		…
1775	or return;	1978	or return;
1776		1979
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1780	$map->reset;	1985	$map->reset;
1781	undef $guard;
1782	return find $path;	1986	return find $path;
1783	}	1987	}
1784		1988
1785	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1786	}	1990	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1796		2000
1797	my $path = $self->{path};	2001	my $path = $self->{path};
1798		2002
1799	{	2003	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1801		2005
		2006	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2008
1804	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1805		2010
1806	$self->alloc;	2011	$self->alloc;
1807		2012
1808	$self->pre_load;	2013	$self->pre_load;
1809	Coro::cede;	2014	cf::cede_to_tick;
1810		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1812	or return;	2019	or return;
1813		2020
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1815	if delete $self->{load_original};	2022	if delete $self->{load_original};
1816		2023
1817	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2025	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2028	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1822	}	2032	}
1823	}	2033	}
1824		2034
1825	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1826	# now do the right thing for maps	2038	# now do the right thing for maps
1827	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2041	unless $self->difficulty;
1830	Coro::cede;	2042	cf::cede_to_tick;
1831		2043
1832	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2045	$self->decay_objects;
1834	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1835	$self->update_buttons;	2047	$self->update_buttons;
1836	Coro::cede;	2048	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2049	$self->activate;
1840	}	2050	}
1841		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2056	}
1844		2057
1845	$self->post_load;	2058	$self->post_load;
1846	}	2059	}
1847		2060
…		…
1856		2069
1857	$self	2070	$self
1858	}	2071	}
1859		2072
1860	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2074	sub load_neighbours {
1862	my ($map) = @_;	2075	my ($map) = @_;
1863		2076
1864	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1865		2078
1866	for (0 .. 3) {	2079	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1868	or next;	2081	or next;
1869	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1870	or next;	2083	or next;
1871	$neigh->load;	2084	$neigh->load;
1872		2085
		2086	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2089	}
1876		2090
1877	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1879	or next;	2094	or next;
1880	$neigh->load;	2095	$neigh->load;
1881	}	2096	}
1882	}	2097	}
1883		2098
…		…
1888	}	2103	}
1889		2104
1890	sub do_load_sync {	2105	sub do_load_sync {
1891	my ($map) = @_;	2106	my ($map) = @_;
1892		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1893	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1894	}	2112	}
1895		2113
1896	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1898		2116
1899	sub find_async {	2117	sub find_async {
1900	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1901		2119
1902	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1903		2121
1904	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2124	}
1907		2125
1908	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1909	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1910	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2133	if (my $map = find $k) {
1913	$map->load;	2134	$map->load if $v;
1914	}	2135	}
1915		2136
1916	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1917	}	2138	}
1918	}	2139	}
1919	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1920	};	2141	};
1921	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2145	}
1925		2146
1926	sub save {	2147	sub save {
1927	my ($self) = @_;	2148	my ($self) = @_;
1928		2149
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2151
1931	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1932		2153
1933	return unless $self->dirty;	2154	return unless $self->dirty;
1934		2155
…		…
1940	return if $self->{deny_save};	2161	return if $self->{deny_save};
1941		2162
1942	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1943		2164
1944	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1946	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1947		2171
1948	if ($uniq) {	2172	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2175	} else {
…		…
1957	my ($self) = @_;	2181	my ($self) = @_;
1958		2182
1959	# save first because save cedes	2183	# save first because save cedes
1960	$self->save;	2184	$self->save;
1961		2185
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2187
1964	return if $self->players;	2188	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2190	return if $self->{deny_save};
1967		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2196	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2197	}
1971		2198
1972	sub reset_at {	2199	sub reset_at {
1973	my ($self) = @_;	2200	my ($self) = @_;
1974		2201
…		…
2006	if $uniq;	2233	if $uniq;
2007	}	2234	}
2008		2235
2009	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
2010		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2240	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2241
2015	$self->unlink_save;	2242	$self->unlink_save;
2016	$self->destroy;	2243	$self->destroy;
2017	}	2244	}
2018		2245
2019	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
2020		2247
2021	sub nuke {	2248	sub nuke {
2022	my ($self) = @_;	2249	my ($self) = @_;
2023		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
2024	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
2025		2255
2026	$self->unlink_save;	2256	$self->unlink_save;
2027		2257
2028	bless $self, "cf::map";	2258	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2263
2034	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
2035		2266
2036	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
2037	}	2268	}
2038		2269
2039	=item $maps = cf::map::tmp_maps	2270	=item $maps = cf::map::tmp_maps
…		…
2081		2312
2082	sub unique_maps() {	2313	sub unique_maps() {
2083	[	2314	[
2084	map {	2315	map {
2085	utf8::decode $_;	2316	utf8::decode $_;
2086	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2087	? normalise $_	2320	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2322	]
2091	}	2323	}
2092		2324
2093	package cf;
2094
2095	=back	2325	=back
2096		2326
2097	=head3 cf::object	2327	=head3 cf::object
2098		2328
2099	=cut	2329	=cut
…		…
2102		2332
2103	=over 4	2333	=over 4
2104		2334
2105	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2106		2336
2107	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2108		2339
2109	=cut	2340	=cut
2110		2341
2111	sub inv_recursive_;	2342	sub inv_recursive_;
2112	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2115		2346
2116	sub inv_recursive {	2347	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2118	}	2349	}
2119		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
2120	package cf;	2379	package cf;
2121		2380
2122	=back	2381	=back
2123		2382
2124	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2133		2392
2134	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
2135		2408
2136	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2410	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
2146		2419
2147	} else {	2420	} else {
2148	my $pl = $self->contr;	2421	my $pl = $self->contr;
2149		2422
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2426
2159	} else {	2427	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2430	}
2163	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
2164	}	2442	}
2165		2443
2166	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
2167		2445
2168	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
2181		2459
2182	=item $player_object->enter_link	2460	=item $player_object->enter_link
2183		2461
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2463
2186	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2188		2468
2189	Will never block.	2469	Will never block.
2190		2470
2191	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2192		2472
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
2250		2530
2251	$map->load;	2531	$map->load;
2252	$map->load_diag;	2532	$map->load_neighbours;
2253		2533
2254	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2536	$self->activate_recursive;
2256		2537
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2259	}	2540	}
…		…
2264	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2547	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2548	be called at the end of this process.
2268		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
		2552
2269	=cut	2553	=cut
2270		2554
2271	our $GOTOGEN;	2555	our $GOTOGEN;
2272		2556
2273	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2562
2279	$self->enter_link;	2563	$self->enter_link;
2280		2564
2281	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
2282	my $map = eval {	2587	my $map = eval {
2283	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
2284		2589
2285	if ($map) {	2590	if ($map) {
2286	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
2288	} else {	2593	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2595	}
2291		2596
2292	$map	2597	$map
2293	};	2598	};
2294		2599
…		…
2330	}	2635	}
2331		2636
2332	sub prepare_random_map {	2637	sub prepare_random_map {
2333	my ($exit) = @_;	2638	my ($exit) = @_;
2334		2639
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2642	# that depends on the exit object
2340		2643
2341	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2646	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2348	}	2653	}
2349		2654
2350	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2351		2656
2352	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2355		2660
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2663	undef $fh;
2359	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2360		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2363	}	2672	}
2364	}	2673	}
2365		2674
2366	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2368		2677
2369	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2370		2679
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2680	$self->enter_link;
2383		2681
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2682	(async {
2389	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2390	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2391	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2392		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2393	1;	2706	1
2394	}) {	2707	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2712
2400	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2419		2732
2420	utf8::encode $text;	2733	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2735	}
2423		2736
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2738
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2739	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2740	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2430		2743
2431	=cut	2744	=cut
2432		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
2433	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2850
2436	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
2437		2872
2438	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2439		2874
2440	if ($self->can_msg) {	2875	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	2877	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		2878
2453	if ($color >= 0) {	2879	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	2880	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	2882	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2464	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2465		2898
2466	Sends an ext event to the client.	2899	Sends an ext event to the client.
2467		2900
2468	=cut	2901	=cut
2469		2902
2470	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2472		2905
2473	return unless $self->extcmd;	2906	if ($self->extcmd == 2) {
2474		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2477	}	2930	}
2478		2931
2479	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2480		2933
2481	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2537		2990
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2992
2540	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2547	} else {	3008	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3010	}
2550		3011
2551	cf::override;	3012	cf::override;
…		…
2598	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2600		3061
2601	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2602		3063
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2604		3069
2605	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2606		3071
2607	=pod	3072	=pod
2608		3073
2609	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2610		3075
2611	cf::object	3076	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3078	insert remove name archname title slaying race decrease split
		3079	value
2614		3080
2615	cf::object::player	3081	cf::object::player
2616	player	3082	player
2617		3083
2618	cf::player	3084	cf::player
…		…
2623		3089
2624	=cut	3090	=cut
2625		3091
2626	for (	3092	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2632	) {	3099	) {
2633	no strict 'refs';	3100	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2652	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2653		3120
2654	my $qcode = $code;	3121	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2657		3126
2658	local $_;	3127	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2660		3129
2661	my $eval =	3130	my $eval =
…		…
2709	# the server's init and main functions	3178	# the server's init and main functions
2710		3179
2711	sub load_facedata($) {	3180	sub load_facedata($) {
2712	my ($path) = @_;	3181	my ($path) = @_;
2713		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2714	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2715		3190
2716	my $facedata;	3191	my $facedata;
2717	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3193	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2721		3196
2722	$facedata->{version} == 2	3197	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2725	{	3207	{
2726	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2727		3209
2728	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2730	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3217
2735	cf::cede_to_tick;	3218	cf::cede_to_tick;
2736	}	3219	}
2737		3220
2738	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2740	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2741	or next;	3225	or next;
		3226
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3230	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3248
2764	{	3249	{
2765	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3253
2770	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3255	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
2778		3258
2779	if ($name =~ /\.jpg$/) {	3259	if ($info->{type} & 1) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3260	# prepend meta info
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
2782	} else {	3274	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3275	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3276	}
2789		3277
2790	cf::cede_to_tick;	3278	cf::cede_to_tick;
2791	}	3279	}
2792	}	3280	}
2793		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2794	1	3284	1
2795	}	3285	}
2796		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2797	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2798	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
2800		3332
2801	for (cf::region::list) {	3333	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3334	$_->{match} = qr/$_->{match}/
…		…
2810	}	3342	}
2811		3343
2812	sub reload_archetypes {	3344	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3347	}
2821		3348
2822	sub reload_treasures {	3349	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2825	}	3352	}
2826		3353
2827	sub reload_resources {	3354	sub reload_resources {
2828	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2829		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2830	reload_regions;	3359	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3360	reload_treasures;
2835		3361
2836	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2837	}	3363	}
2838		3364
2839	sub init {	3365	sub reload_config {
2840	reload_resources;
2841	}
2842
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3367	or return;
2846		3368
2847	local $/;	3369	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2849		3371
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3373
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2859	};	3381	};
2860	warn $@ if $@;	3382	warn $@ if $@;
2861	}	3383	}
2862	}	3384	}
2863		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2864	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2865	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3423	(async {
2869	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2871	};	3427	};
2872		3428
2873	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2874	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2875	load_extensions;	3447	load_extensions;
2876		3448
2877	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2878	Event::loop;	3457	EV::loop;
2879	}	3458	}
2880		3459
2881	#############################################################################	3460	#############################################################################
2882	# initialisation and cleanup	3461	# initialisation and cleanup
2883		3462
2884	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2885	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2894	},
2895	);	3469	};
2896	}	3470	}
2897	}	3471	}
2898		3472
2899	sub write_runtime {	3473	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";
2901
2902	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
2904		3476
2905	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3478
2907	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
2908		3480
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2910	or return;	3482	or return;
2911		3483
2912	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
2925		3497
2926	close $fh	3498	close $fh
2927	or return;	3499	or return;
2928		3500
2929	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3502	and return;
2931		3503
2932	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
2933		3505
2934	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2935	}	3557	}
2936		3558
2937	sub emergency_save() {	3559	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2939		3561
2940	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2941		3563
2942	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2943	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3578	$pl->save;
2951	}	3579	}
2952	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2953		3581
2954	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3585	$map->valid or next;
2958	$map->save;	3586	$map->save;
2959	}	3587	}
2960	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2961		3589
2962	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2965	};	3597	};
2966		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2967	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2968	}	3605	}
2969		3606
2970	sub post_cleanup {	3607	sub post_cleanup {
2971	my ($make_core) = @_;	3608	my ($make_core) = @_;
2972		3609
2973	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
2975	}	3641	}
2976		3642
2977	sub do_reload_perl() {	3643	sub do_reload_perl() {
2978	# can/must only be called in main	3644	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2980	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2981	return;	3647	return;
2982	}	3648	}
2983		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2984	warn "reloading...";	3655	warn "reloading...";
2985		3656
2986	warn "entering sync_job";	3657	warn "entering sync_job";
2987		3658
2988	cf::sync_job {	3659	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3661	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2992		3663
2993	warn "syncing database to disk";	3664	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3666
2996	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2997		3668
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3672	}
3035		3673
3036	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3038	}	3676	%EXT_CORO = ();
3039		3677
3040	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3687	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3688
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3051	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3052	}	3698	}
3053		3699
3054	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3055	}	3715	}
3056		3716
3057	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3720
3061	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3724
3065	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3726	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3068		3728
3069	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3070		3730
3071	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3072	require cf;	3732	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3074		3734
3075	warn "loading config and database again";	3735	warn "loading config and database again";
3076	cf::cfg_load;	3736	cf::reload_config;
3077		3737
3078	warn "loading extensions";	3738	warn "loading extensions";
3079	cf::load_extensions;	3739	cf::load_extensions;
3080		3740
		3741	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3087		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3088	warn "leaving sync_job";	3753	warn "leaving sync_job";
3089		3754
3090	1	3755	1
3091	} or do {	3756	} or do {
3092	warn $@;	3757	warn $@;
3093	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3759	};
3096		3760
3097	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3098	};	3767	};
3099		3768
3100	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3101		3770
3102	sub reload_perl() {	3771	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3105		3774
3106	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3777
3109	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3779	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3113	},	3781	};
3114	);	3782	};
3115	}	3783	}
3116		3784
3117	register_command "reload" => sub {	3785	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3119		3787
3120	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3792	reload_perl;
		3793	};
3123	}	3794	}
3124	};	3795	};
3125		3796
3126	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
3127		3798
…		…
3129		3800
3130	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3132		3803
3133	sub wait_for_tick {	3804	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3136		3806
3137	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3809	$signal->wait;
3140	}	3810	}
3141		3811
3142	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3145		3814
3146	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3817	$signal->wait;
3149	}	3818	}
3150		3819
3151	my $min = 1e6;#d#	3820	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3163	return;	3824	return;
3164	}	3825	}
3165		3826
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3169		3828
3170	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	3831	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
3174	or die;	3833	write_runtime_sync
3175		3834	or warn "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3835	};
		3836	}
3192		3837
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3839	$sig->send;
3209	}	3840	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3842	$sig->send;
3212	}	3843	}
3213		3844
3214	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		3847
3225	_post_tick;	3848	if (0) {
3226		3849	if ($NEXT_TICK) {
3227		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3228	},	3854	}
3229	);	3855	}
3230		3856
3231	{	3857	{
3232	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	3859
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3242		3861	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		3863
3258	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		3871
3261	cf::sync_job {	3872	cf::sync_job {
3262	eval {	3873	eval {
3263	BDB::db_env_open	3874	BDB::db_env_open
3264	$DB_ENV,	3875	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	3879	0666;
3269		3880
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	3882	};
3275		3883
3276	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	3885	};
3278	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
3279	}	3897	}
3280		3898
3281	{	3899	{
		3900	# configure IO::AIO
		3901
3282	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	3905	}
3295		3906
3296	my $_log_backtrace;	3907	my $_log_backtrace;
3297		3908
3298	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3302		3913
3303	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3306	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3307	my @bt = fork_call {	3921	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3319	}	3933	}
3320		3934
3321	@funcs	3935	@funcs
3322	};	3936	};
3323		3937
3324	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	3941	--$_log_backtrace;
3327	};	3942	};
3328	} else {	3943	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	3946	}
3332	}	3947	}
3333		3948
3334	# load additional modules	3949	# load additional modules
3335	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3336		3951
3337	END { cf::emergency_save }	3952	END { cf::emergency_save }
3338		3953
3339	1	3954	1
3340		3955

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