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Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
63		93
64	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	95	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
75		109
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	112	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		114
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	118	our $DB_ENV;
89		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
90	our %CFG;	122	our %CFG;
91		123
92	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
94		127
95	our (%PLAYER, %PLAYER_LOADING); # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
98		131
99	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		134
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
105		144
106	binmode STDOUT;	145	binmode STDOUT;
107	binmode STDERR;	146	binmode STDERR;
108		147
109	# read virtual server time, if available	148	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
114	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
115		156
116	mkdir $_	157	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		159
119	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
162		203
163	The raw value load value from the last tick.	204	The raw value load value from the last tick.
164		205
165	=item %cf::CFG	206	=item %cf::CFG
166		207
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	209	from wherever your confdir points to.
169		210
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		212
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		235
195	LOG llevError, $msg;	236	LOG llevError, $msg;
196	};	237	};
197	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
198		254
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	265	for my $pkg (qw(
210	cf::global cf::attachable	266	cf::global cf::attachable
211	cf::object cf::object::player	267	cf::object cf::object::player
212	cf::client cf::player	268	cf::client cf::player
213	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
214	cf::map cf::party cf::region	271	cf::party cf::region
215	)) {	272	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	274	}
219		275
220	$Event::DIED = sub {	276	$EV::DIED = sub {
221	warn "error in event callback: @_";	277	warn "error in event callback: @_";
222	};	278	};
223		279
224	#############################################################################	280	#############################################################################
225		281
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	305	$d
250	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
251	}	307	}
252		308
253	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
254		310
255	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
256		312
257	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
258		314
259	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
260		316
261	=cut	317	=cut
262		318
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		320
265	sub to_json ($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
267		337
268	=item cf::lock_wait $string	338	=item cf::lock_wait $string
269		339
270	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
271		341
272	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
273		343
274	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
277	returned.	347	returned.
278		348
279	Locks are *not* recursive, locking from the same coro twice results in a	349	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	350	deadlocked coro.
…		…
286		356
287	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
288		358
289	=cut	359	=cut
290		360
291	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		362
294	sub lock_wait($) {	363	sub lock_wait($) {
295	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	365	}
308		366
309	sub lock_acquire($) {	367	sub lock_acquire($) {
310	my ($key) = @_;	368	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	369	}
324		370
325	sub lock_active($) {	371	sub lock_active($) {
326	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	373	}
330		374
331	sub freeze_mainloop {	375	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
333		377
334	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	379	}
336	};	380
337	$TICK_WATCHER->stop;	381	=item cf::periodic $interval, $cb
338	$guard	382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
339	}	394	}
340		395
341	=item cf::get_slot $time[, $priority[, $name]]	396	=item cf::get_slot $time[, $priority[, $name]]
342		397
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
354	our @SLOT_QUEUE;	409	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	410	our $SLOT_QUEUE;
356		411
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
359	my $signal = new Coro::Signal;	416	my $signal = new Coro::Signal;
360		417
361	while () {	418	while () {
362	next_job:	419	next_job:
363	my $avail = cf::till_tick;	420	my $avail = cf::till_tick;
…		…
371	}	428	}
372	}	429	}
373	}	430	}
374		431
375	if (@SLOT_QUEUE) {	432	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	434	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	435	$signal->wait;
379	} else {	436	} else {
380	Coro::schedule;	437	Coro::schedule;
381	}	438	}
382	}	439	}
383	};	440	};
384		441
385	sub get_slot($;$$) {	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
386	my ($time, $pri, $name) = @_;	445	my ($time, $pri, $name) = @_;
387		446
388	$time = $TICK * .6 if $time > $TICK * .6;	447	$time = $TICK * .6 if $time > $TICK * .6;
389	my $sig = new Coro::Signal;	448	my $sig = new Coro::Signal;
390		449
…		…
404		463
405	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
406		465
407	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
408		467
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	471	acceptable.
413		472
414	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
420		479
421	sub sync_job(&) {	480	sub sync_job(&) {
422	my ($job) = @_;	481	my ($job) = @_;
423		482
424	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
425	my $time = Event::time;	484	my $time = EV::time;
426		485
427	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
429		488
430	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	490
432	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
433		492
434	my $busy = 1;	493	my $busy = 1;
435	my @res;	494	my @res;
436		495
437	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	498	@res = eval { $job->() };
439	warn $@ if $@;	499	warn $@ if $@;
440	undef $busy;	500	undef $busy;
441	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
442		502
443	while ($busy) {	503	while ($busy) {
444	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
445	}	508	}
		509	}
446		510
447	$time = Event::time - $time;	511	my $time = EV::time - $time;
448		512
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
453		514
454	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
455	} else {	516	} else {
456	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
457		518
…		…
482	=item fork_call { }, $args	543	=item fork_call { }, $args
483		544
484	Executes the given code block with the given arguments in a seperate	545	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	547	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
488		549
489	=cut	550	=cut
490		551
491	sub fork_call(&@) {	552	sub fork_call(&@) {
492	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
…		…
499	reset_signals;	560	reset_signals;
500	&$cb	561	&$cb
501	}, @args;	562	}, @args;
502		563
503	wantarray ? @res : $res[-1]	564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
504	}	592	}
505		593
506	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
507		595
508	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
647		735
648	#############################################################################	736	#############################################################################
649		737
650	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
651		739
652	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
655		743
656	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	746	Deliantra).
659		747
660	=over 4	748	=over 4
661		749
662	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
663		751
…		…
707	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
708		796
709	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
711		799
712	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
714		802
715	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
716		804
717	=over 4	805	=over 4
…		…
945	}	1033	}
946		1034
947	0	1035	0
948	}	1036	}
949		1037
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1039
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1041
954	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
955		1043
…		…
961		1049
962	=cut	1050	=cut
963		1051
964	#############################################################################	1052	#############################################################################
965	# object support	1053	# object support
966	#
967		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
968	sub _can_merge {	1088	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1089	my ($ob1, $ob2) = @_;
970		1090
971	local $Storable::canonical = 1;	1091	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1092
975	$fob1 eq $fob2	1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
976	}	1095	}
977		1096
978	sub reattach {	1097	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1099	my ($obj) = @_;
981		1100
		1101	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1103
984	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
985		1105
986	@$registry = ();	1106	@$registry = ();
987		1107
…		…
1002	cf::attachable->attach (	1122	cf::attachable->attach (
1003	prio => -1000000,	1123	prio => -1000000,
1004	on_instantiate => sub {	1124	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
1006		1126
1007	$data = from_json $data;	1127	$data = decode_json $data;
1008		1128
1009	for (@$data) {	1129	for (@$data) {
1010	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
1011		1131
1012	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
1025	},	1145	},
1026	);	1146	);
1027		1147
1028	sub object_freezer_save {	1148	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
1030
1031	my $guard = cf::lock_acquire "io";
1032		1150
1033	sync_job {	1151	sync_job {
1034	if (length $$rdata) {	1152	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1153	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1038		1156
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	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;
		1162	aio_fsync $fh;
		1163	}
1043	close $fh;	1164	aio_close $fh;
1044		1165
1045	if (@$objs) {	1166	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	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;
		1173	aio_fsync $fh;
		1174	}
1051	close $fh;	1175	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1177	}
1054	} else {	1178	} else {
1055	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1056	}	1180	}
1057		1181
1058	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1186	} else {
1060	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1061	}	1188	}
1062	} else {	1189	} else {
1063	aio_unlink $filename;	1190	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1065	}	1192	}
1066	};	1193	};
1067
1068	undef $guard;
1069	}	1194	}
1070		1195
1071	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1073		1198
…		…
1078		1203
1079	sub object_thawer_load {	1204	sub object_thawer_load {
1080	my ($filename) = @_;	1205	my ($filename) = @_;
1081		1206
1082	my ($data, $av);	1207	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1208
1086	(aio_load $filename, $data) >= 0	1209	(aio_load $filename, $data) >= 0
1087	or return;	1210	or return;
1088		1211
1089	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1214	or return;
1092		1215
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1095	}	1218	}
1096		1219
1097	utf8::decode (my $decname = $filename);	1220	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
…		…
1160	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1161		1284
1162	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1163	}	1286	}
1164		1287
		1288	use File::Glob ();
		1289
1165	cf::player->attach (	1290	cf::player->attach (
1166	on_command => sub {	1291	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1168		1293
1169	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1201		1326
1202	cf::override;	1327	cf::override;
1203	},	1328	},
1204	);	1329	);
1205		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
		1343
1206	sub load_extensions {	1344	sub load_extensions {
1207	cf::sync_job {	1345	cf::sync_job {
1208	my %todo;	1346	my %todo;
1209		1347
1210	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1367
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1370
1233	$ext{source} =	1371	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1236	. $source	1374	. $source
1237	. "\n};\n1";	1375	. "\n};\n1";
1238		1376
1239	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1257		1395
1258	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1397	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1399	}
1263		1400
1264	warn $msg;	1401	warn $msg;
1265	}	1402	}
1266		1403
…		…
1280		1417
1281	=back	1418	=back
1282		1419
1283	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1284		1421
1285	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1286		1423
1287	=cut	1424	=cut
1288		1425
1289	package cf::player;	1426	package cf::player;
1290		1427
…		…
1333		1470
1334	sub exists($) {	1471	sub exists($) {
1335	my ($login) = @_;	1472	my ($login) = @_;
1336		1473
1337	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1339	}	1476	}
1340		1477
1341	sub find($) {	1478	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1480	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1491
1355	my $f = new_from_file cf::object::thawer path $login	1492	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1493	or return;
1357		1494
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1495	my $pl = cf::player::load_pl $f
1360	or return;	1496	or return;
		1497
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1498	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1499	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1364	}	1501	}
1365	}	1502	}
…		…
1375		1512
1376	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1377		1514
1378	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
		1517
		1518	cf::get_slot 0.01;
1380		1519
1381	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1521	cf::cede_to_tick;
1383	}	1522	}
1384		1523
…		…
1416	my ($pl) = @_;	1555	my ($pl) = @_;
1417		1556
1418	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1419		1558
1420	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1561
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1424	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1426	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1427		1568
1428	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1468		1609
1469	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
1470	my $path = path $login;	1611	my $path = path $login;
1471		1612
1472	# a .pst is a dead give-away for a valid player	1613	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1619	}
1478		1620
…		…
1509	}	1651	}
1510		1652
1511	\@paths	1653	\@paths
1512	}	1654	}
1513		1655
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1657
1516	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1659
1565	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1566		1661
1567	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1568		1663
…		…
1635	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1637		1732
1638	sub generate_random_map {	1733	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1640	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1641	$self->_create_random_map (	1739	$self->_create_random_map (
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1766		1864
1767	# the temporary/swap location	1865	# the temporary/swap location
1768	sub save_path {	1866	sub save_path {
1769	my ($self) = @_;	1867	my ($self) = @_;
1770		1868
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1773	}	1871	}
1774		1872
1775	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1776	sub uniq_path {	1874	sub uniq_path {
1777	my ($self) = @_;	1875	my ($self) = @_;
1778		1876
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	1879	}
1791		1880
1792	sub decay_objects {	1881	sub decay_objects {
1793	my ($self) = @_;	1882	my ($self) = @_;
1794		1883
…		…
1878	sub find {	1967	sub find {
1879	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1880		1969
1881	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1882		1971
1883	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1885		1974
1886	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1891	or return;	1977	or return;
1892		1978
1893	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1894		1980
…		…
1896	or return;	1982	or return;
1897		1983
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
1901	undef $guard1;	1988	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	1989	$map->reset;
1904	return find $path;	1990	return find $path;
1905	}	1991	}
1906		1992
1907	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
…		…
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2021	$f->skip_block;
1936	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
1937	or return;	2023	or return;
1938		2024
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1940	if delete $self->{load_original};	2026	if delete $self->{load_original};
1941		2027
1942	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2029	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
1962	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2049	$self->decay_objects;
1964	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1965	$self->update_buttons;	2051	$self->update_buttons;
1966	cf::cede_to_tick;	2052	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2053	$self->activate;
1970	}	2054	}
1971		2055
1972	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2057	$self->last_access ($cf::RUNTIME);
1974		2058
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2060	}
1977		2061
1978	$self->post_load;	2062	$self->post_load;
1979	}	2063	}
1980		2064
…		…
2038	my ($path, $origin, $load) = @_;	2122	my ($path, $origin, $load) = @_;
2039		2123
2040	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
2041		2125
2042	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2128	}
2045		2129
2046	$MAP_PREFETCH{$path} |= $load;	2130	$MAP_PREFETCH{$path} |= $load;
2047		2131
2048	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
2049	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2137	if (my $map = find $k) {
2052	$map->load if $v;	2138	$map->load if $v;
2053	}	2139	}
…		…
2079	return if $self->{deny_save};	2165	return if $self->{deny_save};
2080		2166
2081	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
2082		2168
2083	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2085	};	2172	};
		2173
		2174	cf::get_slot 0.02;
2086		2175
2087	if ($uniq) {	2176	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2179	} else {
…		…
2099	$self->save;	2188	$self->save;
2100		2189
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2191
2103	return if $self->players;	2192	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2105	return if $self->{deny_save};	2194	return if $self->{deny_save};
2106		2195
2107	$self->in_memory (cf::MAP_SWAPPED);	2196	$self->in_memory (cf::MAP_SWAPPED);
2108		2197
2109	$self->deactivate;	2198	$self->deactivate;
…		…
2227		2316
2228	sub unique_maps() {	2317	sub unique_maps() {
2229	[	2318	[
2230	map {	2319	map {
2231	utf8::decode $_;	2320	utf8::decode $_;
2232	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2233	? normalise $_	2324	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2326	]
2237	}	2327	}
2238		2328
2239	package cf;
2240
2241	=back	2329	=back
2242		2330
2243	=head3 cf::object	2331	=head3 cf::object
2244		2332
2245	=cut	2333	=cut
…		…
2248		2336
2249	=over 4	2337	=over 4
2250		2338
2251	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2252		2340
2253	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
2254		2343
2255	=cut	2344	=cut
2256		2345
2257	sub inv_recursive_;	2346	sub inv_recursive_;
2258	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2264	}	2353	}
2265		2354
2266	=item $ref = $ob->ref	2355	=item $ref = $ob->ref
2267		2356
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2357	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2358
2270	=item $ob = cf::object::deref ($refstring)	2359	=item $ob = cf::object::deref ($refstring)
2271		2360
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2362	even if the object actually exists. May block.
…		…
2275	=cut	2364	=cut
2276		2365
2277	sub deref {	2366	sub deref {
2278	my ($ref) = @_;	2367	my ($ref) = @_;
2279		2368
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2370	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2372	or return;
2287	$pl->ob->uuid eq $uuid	2373	$pl->ob->uuid eq $uuid
2288	or return;	2374	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2310		2396
2311	=cut	2397	=cut
2312		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
		2412
2313	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2414	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2417	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2430
2331	} else {	2431	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2434	}
2335	}	2435	}
2336	}	2436	}
2337		2437
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2463
2364	=item $player_object->enter_link	2464	=item $player_object->enter_link
2365		2465
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2467
2368	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2370		2472
2371	Will never block.	2473	Will never block.
2372		2474
2373	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2374		2476
…		…
2432		2534
2433	$map->load;	2535	$map->load;
2434	$map->load_neighbours;	2536	$map->load_neighbours;
2435		2537
2436	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2437	$self->activate_recursive;	2540	$self->activate_recursive;
2438		2541
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2441	}	2544	}
…		…
2446	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2551	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2552	be called at the end of this process.
2450		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
		2556
2451	=cut	2557	=cut
2452		2558
2453	our $GOTOGEN;	2559	our $GOTOGEN;
2454		2560
2455	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
…		…
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2566
2461	$self->enter_link;	2567	$self->enter_link;
2462		2568
2463	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
2464	# *tag paths override both path and x|y	2572	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2573	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2575	my $ob = $obs[rand @obs];
2468		2576
…		…
2531	}	2639	}
2532		2640
2533	sub prepare_random_map {	2641	sub prepare_random_map {
2534	my ($exit) = @_;	2642	my ($exit) = @_;
2535		2643
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2646	# that depends on the exit object
2541		2647
2542	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2650	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2549	}	2657	}
2550		2658
2551	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2552		2660
2553	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2556		2664
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2667	undef $fh;
2560	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2561		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2564	}	2676	}
2565	}	2677	}
2566		2678
2567	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2569		2681
2570	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2571		2683
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2684	$self->enter_link;
2584		2685
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2686	(async {
2590	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
2591	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2592	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2593		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2594	1;	2710	1
2595	}) {	2711	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2716
2601	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	2745	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	2746	the message unless the client supports the msg packet.
2631		2747
2632	=cut	2748	=cut
2633		2749
		2750	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	2751	our %CHANNEL = (
2635	"c/identify" => {	2752	"c/identify" => {
2636	id => "identify",	2753	id => "infobox",
2637	title => "Identify",	2754	title => "Identify",
2638	reply => undef,	2755	reply => undef,
2639	tooltip => "Items recently identified",	2756	tooltip => "Items recently identified",
2640	},	2757	},
2641	"c/examine" => {	2758	"c/examine" => {
2642	id => "examine",	2759	id => "infobox",
2643	title => "Examine",	2760	title => "Examine",
2644	reply => undef,	2761	reply => undef,
2645	tooltip => "Signs and other items you examined",	2762	tooltip => "Signs and other items you examined",
2646	},	2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
2647	);	2850	);
2648		2851
2649	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2651		2854
2652	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2653		2857
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		2859
2656	# check predefined channels, for the benefit of C	2860	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
2658		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
2659	if (ref $channel) {	2867	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	2871	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	2872	}
2666		2873
2667	$channel = $channel->{id};	2874	$channel = $channel->{id};
2668	}	2875	}
2669		2876
2670	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2671		2878
2672	if ($self->can_msg) {
2673	# default colour, mask it out	2879	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2676		2882
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	2886	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		2887
2691	$color &= cf::NDI_COLOR_MASK;	2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
2692		2891
2693	utf8::encode $msg;	2892	# split very large packets
2694		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2695	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2696	# COMMAND/INFO	2895	$pkt = "frag";
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2704	}	2899	}
2705		2900
2706	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2707		2902
2708	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
2881	=pod	3076	=pod
2882		3077
2883	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2884		3079
2885	cf::object	3080	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3081	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3082	insert remove name archname title slaying race decrease split
		3083	value
2888		3084
2889	cf::object::player	3085	cf::object::player
2890	player	3086	player
2891		3087
2892	cf::player	3088	cf::player
…		…
2897		3093
2898	=cut	3094	=cut
2899		3095
2900	for (	3096	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3098	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3099	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2907	) {	3103	) {
2908	no strict 'refs';	3104	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2927	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2928		3124
2929	my $qcode = $code;	3125	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2932		3130
2933	local $_;	3131	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2935		3133
2936	my $eval =	3134	my $eval =
…		…
3013	{	3211	{
3014	my $faces = $facedata->{faceinfo};	3212	my $faces = $facedata->{faceinfo};
3015		3213
3016	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3216
3018	cf::face::set_visibility $idx, $info->{visibility};	3217	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3218	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3022		3221
3023	cf::cede_to_tick;	3222	cf::cede_to_tick;
3024	}	3223	}
3025		3224
3026	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
3028	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
3029	or next;	3229	or next;
		3230
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3234	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3052	{	3253	{
3053	# TODO: for gcfclient pleasure, we should give resources	3254	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.	3255	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3256	my $res = $facedata->{resource};
3056		3257
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;	3261	my $data;
3062		3262
3063	if ($info->{type} & 1) {	3263	if ($info->{type} & 1) {
3064	# prepend meta info	3264	# prepend meta info
3065		3265
3066	my $meta = $enc->encode ({	3266	my $meta = $enc->encode ({
3067	name => $name,	3267	name => $name,
3068	%{ $info->{meta} || {} },	3268	%{ $info->{meta} || {} },
3069	});	3269	});
3070		3270
3071	$data = pack "(w/a*)*", $meta, $info->{data};	3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
3072	} else {	3278	} else {
3073	$data = $info->{data};	3279	$RESOURCE{$name} = $info;
3074	}	3280	}
3075		3281
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3282	cf::cede_to_tick;
3080	}	3283	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3287
3101	1	3288	1
3102	}	3289	}
		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
3103		3310
3104	register_exticmd fx_want => sub {	3311	register_exticmd fx_want => sub {
3105	my ($ns, $want) = @_;	3312	my ($ns, $want) = @_;
3106		3313
3107	while (my ($k, $v) = each %$want) {	3314	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3315	$ns->fx_want ($k, $v);
3109	}	3316	}
3110	};	3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
3111		3328
3112	sub reload_regions {	3329	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3330	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3331	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3332	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3346	}
3130		3347
3131	sub reload_archetypes {	3348	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3351	}
3140		3352
3141	sub reload_treasures {	3353	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
3144	}	3356	}
3145		3357
3146	sub reload_resources {	3358	sub reload_resources {
3147	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
3148		3360
		3361	reload_facedata;
		3362	reload_archetypes;
3149	reload_regions;	3363	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3364	reload_treasures;
3154		3365
3155	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3367	}
3161		3368
3162	sub reload_config {	3369	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3164	or return;	3371	or return;
3165		3372
3166	local $/;	3373	local $/;
3167	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
3168		3375
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3170		3377
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3178	};	3385	};
3179	warn $@ if $@;	3386	warn $@ if $@;
3180	}	3387	}
3181	}	3388	}
3182		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
3183	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
3184	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3436	(async {
3188	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3190	};	3440	};
3191		3441
		3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
3192	reload_config;	3446	reload_config;
3193	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
3194	load_extensions;	3460	load_extensions;
3195		3461
3196	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
3197	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
3198	}	3471	}
3199		3472
3200	#############################################################################	3473	#############################################################################
3201	# initialisation and cleanup	3474	# initialisation and cleanup
3202		3475
3203	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
3204	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
3213	},
3214	);	3482	};
3215	}	3483	}
3216	}	3484	}
3217		3485
3218	sub write_runtime {	3486	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";
3220
3221	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
3223		3489
3224	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3491
3226	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
3227		3493
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3229	or return;	3495	or return;
3230		3496
3231	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3244		3510
3245	close $fh	3511	close $fh
3246	or return;	3512	or return;
3247		3513
3248	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3515	and return;
3250		3516
3251	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3252		3518
3253	1	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
3254	}	3570	}
3255		3571
3256	sub emergency_save() {	3572	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3258		3574
3259	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3260		3576
3261	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
3262	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3591	$pl->save;
3270	}	3592	}
3271	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3272		3594
3273	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3598	$map->valid or next;
3277	$map->save;	3599	$map->save;
3278	}	3600	}
3279	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3280		3602
3281	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
3284	};	3610	};
3285		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
3286	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3287	}	3618	}
3288		3619
3289	sub post_cleanup {	3620	sub post_cleanup {
3290	my ($make_core) = @_;	3621	my ($make_core) = @_;
3291		3622
3292	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3294	}	3654	}
3295		3655
3296	sub do_reload_perl() {	3656	sub do_reload_perl() {
3297	# can/must only be called in main	3657	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3299	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3300	return;	3660	return;
3301	}	3661	}
3302		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3303	warn "reloading...";	3668	warn "reloading...";
3304		3669
3305	warn "entering sync_job";	3670	warn "entering sync_job";
3306		3671
3307	cf::sync_job {	3672	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3309	cf::emergency_save;	3674	cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3311		3676
3312	warn "syncing database to disk";	3677	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3314		3679
3315	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3316		3681
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3328	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();
3336
3337	warn "removing commands";
3338	%COMMAND = ();
3339
3340	warn "removing ext/exti commands";
3341	%EXTCMD = ();
3342	%EXTICMD = ();
3343
3344	warn "unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";
3347
3348	if (my $cb = $pkg->can ("unload")) {
3349	eval {
3350	$cb->($pkg);
3351	1
3352	} or warn "$pkg unloaded, but with errors: $@";
3353	}	3685	}
3354		3686
3355	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3356	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3357	}	3689	%EXT_CORO = ();
3358		3690
3359	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3360	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3363	warn "... unloading $k";	3700	warn "... unloading $pkg";
3364	delete $INC{$k};
3365		3701
3366	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;
3368
3369	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3370	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3371	}	3711	}
3372		3712
3373	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3374	}	3728	}
3375		3729
3376	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		3733
3380	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		3737
3384	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3385	# and global variables created in xs	3739	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3387		3741
3388	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3389		3743
3390	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3391	require cf;	3745	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3393		3747
3394	warn "loading config and database again";	3748	warn "loading config and database again";
3395	cf::reload_config;	3749	cf::reload_config;
3396		3750
3397	warn "loading extensions";	3751	warn "loading extensions";
3398	cf::load_extensions;	3752	cf::load_extensions;
3399		3753
		3754	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3403	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3406		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3407	warn "leaving sync_job";	3766	warn "leaving sync_job";
3408		3767
3409	1	3768	1
3410	} or do {	3769	} or do {
3411	warn $@;	3770	warn $@;
3412	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3413	exit 1;
3414	};	3772	};
3415		3773
3416	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3417	};	3780	};
3418		3781
3419	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3420		3783
3421	sub reload_perl() {	3784	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3424		3787
3425	$RELOAD_WATCHER ||= Event->timer (	3788	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	3789	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	3790
3428	data => WF_AUTOCANCEL,	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	3792	do_reload_perl;
3431	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
3432	},	3794	};
3433	);	3795	};
3434	}	3796	}
3435		3797
3436	register_command "reload" => sub {	3798	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
3438		3800
3439	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
		3803	async {
		3804	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	3805	reload_perl;
		3806	};
3442	}	3807	}
3443	};	3808	};
3444		3809
3445	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
3446		3811
…		…
3448		3813
3449	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3451		3816
3452	sub wait_for_tick {	3817	sub wait_for_tick {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3455		3819
3456	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	3822	$signal->wait;
3459	}	3823	}
3460		3824
3461	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3464		3827
3465	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	3830	$signal->wait;
3468	}	3831	}
3469		3832
3470	$TICK_WATCHER = Event->timer (	3833	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3480	return;	3837	return;
3481	}	3838	}
3482		3839
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3486		3841
3487	$RUNTIME += $TICK;
3488	$NEXT_TICK += $TICK;
3489
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	3844	Coro::async_pool {
		3845	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	3846	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
3495	};
3496	}	3848	};
		3849	}
3497		3850
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	3852	$sig->send;
3500	}	3853	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	3855	$sig->send;
3503	}	3856	}
3504		3857
3505	$NOW = Event::time;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		3860
3516	_post_tick;	3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
3517	},	3867	}
3518	);	3868	}
3519		3869
3520	{	3870	{
		3871	# configure BDB
		3872
3521	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3522	BDB::max_poll_time $TICK * 0.1;	3874	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	3875	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		3876
3547	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		3884
3554	cf::sync_job {	3885	cf::sync_job {
3555	eval {	3886	eval {
…		…
3565		3896
3566	cf::cleanup "db_env_open(db): $@" if $@;	3897	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	3898	};
3568	}	3899	}
3569		3900
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	3903	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	3906	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	3909	};
3600	}	3910	}
3601		3911
3602	{	3912	{
		3913	# configure IO::AIO
		3914
3603	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	3917	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	3918	}
3616		3919
3617	my $_log_backtrace;	3920	my $_log_backtrace;
3618		3921
3619	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3622	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3623		3926
3624	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3626	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3627	async {	3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
3628	my @bt = fork_call {	3934	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	3938	or die "addr2line: $!";
…		…
3640	}	3946	}
3641		3947
3642	@funcs	3948	@funcs
3643	};	3949	};
3644		3950
3645	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	3954	--$_log_backtrace;
3648	};	3955	};
3649	} else {	3956	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3652	}	3959	}
3653	}	3960	}
3654		3961
3655	# load additional modules	3962	# load additional modules
3656	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3657		3964
3658	END { cf::emergency_save }	3965	END { cf::emergency_save }
3659		3966
3660	1	3967	1
3661		3968

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