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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$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		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$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	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$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	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
359	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
360		530
361	while () {	531	while () {
362	next_job:	532	next_job:
		533
363	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	535
365	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	540	$job->[2]->send;
369	Coro::cede;	541	Coro::cede;
370	goto next_job;	542	goto next_job;
371	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	545	}
373	}	546	}
374		547
375	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	551	$signal->wait;
379	} else {	552	} else {
		553	$busy = 0;
380	Coro::schedule;	554	Coro::schedule;
381	}	555	}
382	}	556	}
383	};	557	};
384		558
385	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
386	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
387		563
388	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
389	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
390		567
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
404		581
405	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
406		583
407	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
408		585
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	589	acceptable.
413		590
414	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	596	=cut
420		597
421	sub sync_job(&) {	598	sub sync_job(&) {
422	my ($job) = @_;	599	my ($job) = @_;
423		600
424	if ($Coro::current == $Coro::main) {	601	if (in_main) {
425	my $time = Event::time;	602	my $time = AE::time;
426		603
427	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
429		606
430	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	608
432	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
433		610
434	my $busy = 1;	611	my $busy = 1;
435	my @res;	612	my @res;
436		613
437	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	616	@res = eval { $job->() };
439	warn $@ if $@;	617	error $@ if $@;
440	undef $busy;	618	undef $busy;
441	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
442		620
443	while ($busy) {	621	while ($busy) {
444	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
445	}	626	}
		627	}
446		628
447	$time = Event::time - $time;	629	my $time = AE::time - $time;
448		630
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	631	$TICK_START += $time; # do not account sync jobs to server load
453		632
454	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
455	} else {	634	} else {
456	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
457		636
…		…
477	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
478		657
479	$coro	658	$coro
480	}	659	}
481		660
482	=item fork_call { }, $args	661	=item fork_call { }, @args
483		662
484	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
488		667
489	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
490		673
491	sub fork_call(&@) {	674	sub fork_call(&@) {
492	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
493		676
494	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
497		680
498	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
499	reset_signals;	682	cf::post_fork;
500	&$cb	683	&$cb
501	}, @args;	684	} @args;
502		685
503	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
504	}	725	}
505		726
506	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
507		728
508	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
518	within each server.	739	within each server.
519		740
520	=cut	741	=cut
521		742
522	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
523	my ($name) = @_;	747	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
525		749
526	eval {	750	eval {
527	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
537	}	761	}
538		762
539	our $DB;	763	our $DB;
540		764
541	sub db_init {	765	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	766	$DB ||= db_table "db";
544	};
545	}	767	}
546		768
547	sub db_get($$) {	769	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
549		771
550	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
551	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
552		776
553	$! ? ()	777	$! ? ()
554	: $data	778	: $data
555	}
556	}	779	}
557		780
558	sub db_put($$$) {	781	sub db_put($$$) {
559	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		811
589	my @data;	812	my @data;
590	my $md5;	813	my $md5;
591		814
592	for (0 .. $#$src) {	815	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	817	}
596		818
597	# if processing is expensive, check	819	# if processing is expensive, check
598	# checksum first	820	# checksum first
599	if (1) {	821	if (1) {
…		…
616		838
617	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	840	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
620		842
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		844
623	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
626		848
…		…
636		858
637	=cut	859	=cut
638		860
639	sub datalog($@) {	861	sub datalog($@) {
640	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	864	}
643		865
644	=back	866	=back
645		867
646	=cut	868	=cut
647		869
648	#############################################################################	870	#############################################################################
649		871
650	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
651		873
652	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
655		877
656	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	880	Deliantra).
659		881
660	=over 4	882	=over 4
661		883
662	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
663		885
…		…
707	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
708		930
709	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
711		933
712	Some classes such as crossfire maps and objects can specify attachments	934	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.	935	that are attached at load/instantiate time, thus the need for a name.
714		936
715	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
716		938
717	=over 4	939	=over 4
…		…
841		1063
842	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1066
845	} elsif (ref $type) {	1067	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
847		1069
848	} else {	1070	} else {
849	shift @arg;	1071	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
851	}	1073	}
852	}	1074	}
853	}	1075	}
854		1076
855	sub _object_attach {	1077	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
866	}	1088	}
867		1089
868	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
869	} else {	1091	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1093	}
872		1094
873	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
874	}	1096	}
875		1097
…		…
934		1156
935	for (@$callbacks) {	1157	for (@$callbacks) {
936	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
937		1159
938	if ($@) {	1160	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1162	override;
942	}	1163	}
943		1164
944	return 1 if $override;	1165	return 1 if $override;
945	}	1166	}
946		1167
947	0	1168	0
948	}	1169	}
949		1170
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1172
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1174
954	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
955		1176
…		…
961		1182
962	=cut	1183	=cut
963		1184
964	#############################################################################	1185	#############################################################################
965	# object support	1186	# object support
966	#
967		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
968	sub _can_merge {	1221	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
970		1223
971	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1225
975	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
976	}	1228	}
977		1229
978	sub reattach {	1230	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1232	my ($obj) = @_;
981		1233
		1234	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1236
984	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
985		1238
986	@$registry = ();	1239	@$registry = ();
987		1240
…		…
992	for (@$attach) {	1245	for (@$attach) {
993	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
995	}	1248	}
996	} else {	1249	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1251	}
999	}	1252	}
1000	}	1253	}
1001		1254
1002	cf::attachable->attach (	1255	cf::attachable->attach (
1003	prio => -1000000,	1256	prio => -1000000,
1004	on_instantiate => sub {	1257	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1006		1259
1007	$data = from_json $data;	1260	$data = decode_json $data;
1008		1261
1009	for (@$data) {	1262	for (@$data) {
1010	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1011		1264
1012	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1279	);
1027		1280
1028	sub object_freezer_save {	1281	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1030		1283
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1284	sync_job {
1034	if (length $$rdata) {	1285	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1038		1290
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
1043	close $fh;	1298	aio_close $fh;
1044		1299
1045	if (@$objs) {	1300	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
1051	close $fh;	1309	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1311	}
1054	} else {	1312	} else {
1055	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1056	}	1314	}
1057		1315
1058	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1320	} else {
1060	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1061	}	1322	}
1062	} else {	1323	} else {
1063	aio_unlink $filename;	1324	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1065	}	1326	}
1066	};	1327	};
1067
1068	undef $guard;
1069	}	1328	}
1070		1329
1071	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1073		1332
…		…
1078		1337
1079	sub object_thawer_load {	1338	sub object_thawer_load {
1080	my ($filename) = @_;	1339	my ($filename) = @_;
1081		1340
1082	my ($data, $av);	1341	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1342
1086	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1087	or return;	1344	or return;
1088		1345
1089	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1348	or return;
1092		1349
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1095	}	1352	}
1096		1353
1097	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1100		1358
1101	($data, $av)	1359	($data, $av)
1102	}	1360	}
1103		1361
1104	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1161		1419
1162	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1163	}	1421	}
1164		1422
		1423	use File::Glob ();
		1424
1165	cf::player->attach (	1425	cf::player->attach (
1166	on_command => sub {	1426	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1168		1428
1169	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1170	or return;	1430	or return;
1171		1431
…		…
1194		1454
1195	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1456	if $reply;
1197		1457
1198	} else {	1458	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1460	}
1201		1461
1202	cf::override;	1462	cf::override;
1203	},	1463	},
1204	);	1464	);
1205		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1206	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1207	cf::sync_job {	1482	cf::sync_job {
1208	my %todo;	1483	my %todo;
1209		1484
1210	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1486	next unless -r $path;
…		…
1229		1504
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1507
1233	$ext{source} =	1508	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1236	. $source	1511	. $source
1237	. "\n};\n1";	1512	. "\n};\n1";
1238		1513
1239	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1240	}	1515	}
1241		1516
		1517	my $pass = 0;
1242	my %done;	1518	my %done;
1243	while (%todo) {	1519	while (%todo) {
1244	my $progress;	1520	my $progress;
1245		1521
		1522	++$pass;
		1523
		1524	ext:
1246	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1527	next ext
1249	unless exists $done{$_};	1528	unless exists $done{$_};
1250	}	1529	}
1251		1530
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1532
1254	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1259	warn $msg;	1540
1260	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1542	delete $todo{$k};
1262	}	1543	} else {
1263		1544	$done{$k} = delete $todo{$k};
1264	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1265	}	1550	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1551	}
1271		1552
1272	skip:	1553	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1275	}	1563	}
1276	};	1564	};
1277	}	1565	}
1278		1566
1279	#############################################################################	1567	#############################################################################
1280		1568
1281	=back	1569	=back
1282		1570
1283	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1284		1572
1285	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1286		1574
1287	=cut	1575	=cut
1288		1576
1289	package cf::player;	1577	package cf::player;
1290		1578
…		…
1333		1621
1334	sub exists($) {	1622	sub exists($) {
1335	my ($login) = @_;	1623	my ($login) = @_;
1336		1624
1337	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1339	}	1627	}
1340		1628
1341	sub find($) {	1629	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1631	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1642
1355	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1644	or return;
1357		1645
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1360	or return;	1647	or return;
		1648
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1364	}	1652	}
1365	}	1653	}
1366	}	1654	}
1367		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1368	sub save($) {	1669	sub save($) {
1369	my ($pl) = @_;	1670	my ($pl) = @_;
1370		1671
1371	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1372		1673
…		…
1375		1676
1376	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1377		1678
1378	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1380		1686
1381	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1688	cf::cede_to_tick;
1383	}	1689	}
1384		1690
…		…
1416	my ($pl) = @_;	1722	my ($pl) = @_;
1417		1723
1418	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1419		1725
1420	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1728
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1424	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1426	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1427		1737
1428	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1430	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1468		1778
1469	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1470	my $path = path $login;	1780	my $path = path $login;
1471		1781
1472	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1788	}
1478		1789
…		…
1482		1793
1483	\@logins	1794	\@logins
1484	}	1795	}
1485		1796
1486	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1487		1800
1488	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1489	player. May block.	1802	player. May block.
1490		1803
1491	=cut	1804	=cut
…		…
1509	}	1822	}
1510		1823
1511	\@paths	1824	\@paths
1512	}	1825	}
1513		1826
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1828
1516	Expand crossfire pod fragments into protocol xml.	1829	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		1830
1565	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1566		1832
1567	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1568		1834
…		…
1600		1866
1601	=cut	1867	=cut
1602		1868
1603	sub find_by_path($) {	1869	sub find_by_path($) {
1604	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1605		1873
1606	my ($match, $specificity);	1874	my ($match, $specificity);
1607		1875
1608	for my $region (list) {	1876	for my $region (list) {
1609	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1635	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1637		1905
1638	sub generate_random_map {	1906	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1640	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1641	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1645	$rmp->{exit_on_final_map},
1646	$rmp->{xsize}, $rmp->{ysize},
1647	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1648	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1649	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1650	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1653	)
1654	}	1912	}
1655		1913
1656	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1657		1915
1658	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1663		1921
1664	sub register {	1922	sub register {
1665	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1666	my $pkg = caller;	1924	my $pkg = caller;
1667		1925
1668	no strict;
1669	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1670		1927
1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1672	}	1929	}
1673		1930
1674	# also paths starting with '/'	1931	# also paths starting with '/'
1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1676		1933
1677	sub thawer_merge {	1934	sub thawer_merge {
1678	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1679		1936
1680	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1685	}	1942	}
1686		1943
1687	sub normalise {	1944	sub normalise {
1688	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1689		1946
1690	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1691		1948
1692	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1693		1950
1694	# map plan:	1951	# map plan:
1695	#	1952	#
…		…
1710	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1711	$path = "$base/$path";	1968	$path = "$base/$path";
1712	}	1969	}
1713		1970
1714	for ($path) {	1971	for ($path) {
1715	redo if s{//}{/};
1716	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1717	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1718	}	1974	}
1719		1975
1720	$path	1976	$path
…		…
1734	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1735	return $self;	1991	return $self;
1736	}	1992	}
1737	}	1993	}
1738		1994
1739	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1740	()	1996	()
1741	}	1997	}
1742		1998
		1999	# may re-bless or do other evil things
1743	sub init {	2000	sub init {
1744	my ($self) = @_;	2001	my ($self) = @_;
1745		2002
1746	$self	2003	$self
1747	}	2004	}
…		…
1766		2023
1767	# the temporary/swap location	2024	# the temporary/swap location
1768	sub save_path {	2025	sub save_path {
1769	my ($self) = @_;	2026	my ($self) = @_;
1770		2027
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1773	}	2030	}
1774		2031
1775	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1776	sub uniq_path {	2033	sub uniq_path {
1777	my ($self) = @_;	2034	my ($self) = @_;
1778		2035
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1790	}	2038	}
1791		2039
1792	sub decay_objects {	2040	sub decay_objects {
1793	my ($self) = @_;	2041	my ($self) = @_;
1794		2042
…		…
1821	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1822		2070
1823	1	2071	1
1824	}	2072	}
1825		2073
		2074	# used to laod the header of an original map
1826	sub load_header_orig {	2075	sub load_header_orig {
1827	my ($self) = @_;	2076	my ($self) = @_;
1828		2077
1829	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1830	}	2079	}
1831		2080
		2081	# used to laod the header of an instantiated map
1832	sub load_header_temp {	2082	sub load_header_temp {
1833	my ($self) = @_;	2083	my ($self) = @_;
1834		2084
1835	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1836	}	2086	}
1837		2087
		2088	# called after loading the header from an instantiated map
1838	sub prepare_temp {	2089	sub prepare_temp {
1839	my ($self) = @_;	2090	my ($self) = @_;
1840		2091
1841	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1842	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1843	# safety	2094	# safety
1844	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1845	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1846	}	2097	}
1847		2098
		2099	# called after loading the header from an original map
1848	sub prepare_orig {	2100	sub prepare_orig {
1849	my ($self) = @_;	2101	my ($self) = @_;
1850		2102
1851	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1852	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1876		2128
1877	sub find;	2129	sub find;
1878	sub find {	2130	sub find {
1879	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1880		2132
		2133	cf::cede_to_tick;
		2134
1881	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1882		2136
1883	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1885		2139
1886	$cf::MAP{$path} || do {	2140	$cf::MAP{$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	2141	my $map = new_from_path cf::map $path
1891	or return;	2142	or return;
1892		2143
1893	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1894		2145
…		…
1896	or return;	2147	or return;
1897		2148
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1901	undef $guard1;	2153	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	2154	$map->reset;
1904	return find $path;	2155	return find $path;
1905	}	2156	}
1906		2157
1907	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1908	}	2159	}
1909	}	2160	}
1910		2161
1911	sub pre_load { }	2162	sub pre_load { }
1912	sub post_load { }	2163	#sub post_load { } # XS
1913		2164
1914	sub load {	2165	sub load {
1915	my ($self) = @_;	2166	my ($self) = @_;
1916		2167
1917	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1929	$self->alloc;	2180	$self->alloc;
1930		2181
1931	$self->pre_load;	2182	$self->pre_load;
1932	cf::cede_to_tick;	2183	cf::cede_to_tick;
1933		2184
		2185	if (exists $self->{load_path}) {
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2187	$f->skip_block;
1936	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1937	or return;	2189	or return;
1938		2190
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1940	if delete $self->{load_original};	2192	if delete $self->{load_original};
1941		2193
1942	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2195	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1945	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1946	$self->clear_unique_items;	2198	$self->clear_unique_items;
1947	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1948	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1949	}	2202	}
1950	}	2203	}
1951	}
1952		2204
1953	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1954		2210
1955	cf::cede_to_tick;	2211	cf::cede_to_tick;
1956	# now do the right thing for maps	2212	# now do the right thing for maps
1957	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1958	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1962	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2219	$self->decay_objects;
1964	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1965	$self->update_buttons;	2221	$self->update_buttons;
1966	cf::cede_to_tick;	2222	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2223	$self->activate;
1970	}	2224	}
1971		2225
1972	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1974		2228
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2230	}
1977		2231
1978	$self->post_load;	2232	$self->post_load;
1979	}
1980		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1981	sub customise_for {	2240	sub customise_for {
1982	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1983		2242
1984	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1985	if $self->per_player;	2244	if $self->per_player;
…		…
2001	or next;	2260	or next;
2002	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
2003	or next;	2262	or next;
2004	$neigh->load;	2263	$neigh->load;
2005		2264
		2265	# now find the diagonal neighbours
2006	push @neigh,	2266	push @neigh,
2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2009	}	2269	}
2010		2270
…		…
2017	}	2277	}
2018		2278
2019	sub find_sync {	2279	sub find_sync {
2020	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2021		2281
2022	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
2023	}	2286	}
2024		2287
2025	sub do_load_sync {	2288	sub do_load_sync {
2026	my ($map) = @_;	2289	my ($map) = @_;
2027		2290
2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2029	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2030		2293
2031	cf::sync_job { $map->load };	2294	$map->load;
2032	}	2295	}
2033		2296
2034	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2035	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2036		2299
2037	sub find_async {	2300	sub find_async {
2038	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2039		2302
2040	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2041		2304
2042	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2307	}
2045		2308
2046	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2047		2310
2048	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
2049	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2316	if (my $map = find $k) {
2052	$map->load if $v;	2317	$map->load if $v;
2053	}	2318	}
…		…
2060	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2061		2326
2062	()	2327	()
2063	}	2328	}
2064		2329
		2330	# common code, used by both ->save and ->swapout
2065	sub save {	2331	sub _save {
2066	my ($self) = @_;	2332	my ($self) = @_;
2067
2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
2069		2333
2070	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2071		2335
2072	return unless $self->dirty;	2336	return unless $self->dirty;
2073		2337
…		…
2079	return if $self->{deny_save};	2343	return if $self->{deny_save};
2080		2344
2081	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
2082		2346
2083	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2085	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2086		2353
2087	if ($uniq) {	2354	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2357	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2359	}
2093	}	2360	}
2094		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2095	sub swap_out {	2370	sub swap_out {
2096	my ($self) = @_;	2371	my ($self) = @_;
2097		2372
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2103	return if $self->players;	2377	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
2105	return if $self->{deny_save};
2106		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2107	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2108		2429
2109	$self->deactivate;	2430	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2432	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2433
2157	$self->unlink_save;	2434	$self->unlink_save;
2158	$self->destroy;	2435	$self->destroy;
2159	}	2436	}
2160		2437
…		…
2168		2445
2169	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2170		2447
2171	$self->unlink_save;	2448	$self->unlink_save;
2172		2449
2173	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2455
…		…
2227		2504
2228	sub unique_maps() {	2505	sub unique_maps() {
2229	[	2506	[
2230	map {	2507	map {
2231	utf8::decode $_;	2508	utf8::decode $_;
2232	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2233	? normalise $_	2512	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2514	]
2237	}	2515	}
2238		2516
2239	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2240		2548
2241	=back	2549	=back
2242		2550
2243	=head3 cf::object	2551	=head3 cf::object
2244		2552
…		…
2248		2556
2249	=over 4	2557	=over 4
2250		2558
2251	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2252		2560
2253	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2254		2563
2255	=cut	2564	=cut
2256		2565
2257	sub inv_recursive_;	2566	sub inv_recursive_;
2258	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2264	}	2573	}
2265		2574
2266	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2267		2576
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2578
2270	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2271		2580
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2275	=cut	2584	=cut
2276		2585
2277	sub deref {	2586	sub deref {
2278	my ($ref) = @_;	2587	my ($ref) = @_;
2279		2588
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2590	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2592	or return;
2287	$pl->ob->uuid eq $uuid	2593	$pl->ob->uuid eq $uuid
2288	or return;	2594	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2310		2616
2311	=cut	2617	=cut
2312		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
		2632
2313	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2634	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2650
2331	} else {	2651	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2654	}
2335	}	2655	}
2336	}	2656	}
2337		2657
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2683
2364	=item $player_object->enter_link	2684	=item $player_object->enter_link
2365		2685
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2687
2368	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2370		2692
2371	Will never block.	2693	Will never block.
2372		2694
2373	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2374		2696
…		…
2394	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2395	my ($self) = @_;	2717	my ($self) = @_;
2396		2718
2397	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2398		2720
		2721	++$self->{_link_recursion};
		2722
2399	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2400		2724
2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2402	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2403		2727
2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2405	}	2729	}
2406		2730
2407	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2408	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2409		2733
…		…
2426	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2427	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2428		2752
2429	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2430	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2431	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2432		2756
2433	$map->load;	2757	$map->load;
2434	$map->load_neighbours;	2758	$map->load_neighbours;
2435		2759
2436	return unless $self->contr->active;	2760	return unless $self->contr->active;
2437	$self->activate_recursive;
2438		2761
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2441	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2442		2769
		2770	}
		2771
2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2444		2773
2445	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2446	her, loading and preparing them map, calling the provided $check callback	2775	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	2776	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	2777	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2778	be called at the end of this process.
2450		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2451	=cut	2783	=cut
2452		2784
2453	our $GOTOGEN;	2785	our $GOTOGEN;
2454		2786
2455	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2456	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
2457		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
2458	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2798
2461	$self->enter_link;	2799	$self->enter_link;
2462		2800
2463	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
2464	# *tag paths override both path and x|y	2804	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2805	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2807	my $ob = $obs[rand @obs];
2468		2808
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2480	}	2820	}
2481	}	2821	}
2482		2822
2483	my $map = eval {	2823	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2825
2486	if ($map) {	2826	if ($map) {
2487	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2829	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2831	}
2492		2832
2493	$map	2833	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2504	}	2844	}
2505		2845
2506	$done->() if $done;	2846	$done->($self) if $done;
2507	})->prio (1);	2847	})->prio (1);
2508	}	2848	}
2509		2849
2510	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2511		2851
…		…
2531	}	2871	}
2532		2872
2533	sub prepare_random_map {	2873	sub prepare_random_map {
2534	my ($exit) = @_;	2874	my ($exit) = @_;
2535		2875
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2878	# that depends on the exit object
2541		2879
2542	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2882	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2549	}	2889	}
2550		2890
2551	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2552		2892
2553	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2556		2896
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2899	undef $fh;
2560	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2561		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2564	}	2908	}
2565	}	2909	}
2566		2910
2567	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2569		2913
2570	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2571		2915
2572	if ($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;	2916	$self->enter_link;
2584		2917
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 {	2918	(async {
2590	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2591	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2592	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2593		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2594	1;	2955	1
2595	}) {	2956	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2961
2601	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2602	$self->leave_link;	2963	$self->leave_link;
2603	}	2964	}
2604	})->prio (1);	2965	})->prio (1);
2605	}	2966	}
2606		2967
…		…
2618	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2619	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2620		2981
2621	utf8::encode $text;	2982	utf8::encode $text;
2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2623	}	3009	}
2624		3010
2625	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2626		3012
2627	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2631		3017
2632	=cut	3018	=cut
2633		3019
		3020	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
2635	"c/identify" => {	3028	"c/identify" => {
2636	id => "identify",	3029	id => "infobox",
2637	title => "Identify",	3030	title => "Identify",
2638	reply => undef,	3031	reply => undef,
2639	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
2640	},	3033	},
2641	"c/examine" => {	3034	"c/examine" => {
2642	id => "examine",	3035	id => "infobox",
2643	title => "Examine",	3036	title => "Examine",
2644	reply => undef,	3037	reply => undef,
2645	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
2646	},	3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
2647	);	3132	);
2648		3133
2649	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2651		3136
2652	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2653		3139
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		3141
2656	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
2658		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
2659	if (ref $channel) {	3149	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	3154	}
2666		3155
2667	$channel = $channel->{id};	3156	$channel = $channel->{id};
2668	}	3157	}
2669		3158
2670	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2671		3160
2672	if ($self->can_msg) {
2673	# default colour, mask it out	3161	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2676		3164
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	3168	);
2680	if ($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		3169
2691	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2692
2693	utf8::encode $msg;
2694
2695	if (0 && $msg =~ /\[/) {
2696	# COMMAND/INFO
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	}
2704	}	3171	}
2705		3172
2706	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2707		3174
2708	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2711		3178
2712	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2713	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2714		3181
2715	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2717	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2718	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2720	}	3187	}
2721	}	3188	}
2722		3189
2723	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2724		3191
…		…
2728		3195
2729	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2730	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2731		3198
2732	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2734	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2735	#TODO: version 1, remove	3202	#TODO: version 1, remove
2736	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2738	}	3205	}
2739	}	3206	}
2740		3207
2741	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2742		3209
…		…
2813		3280
2814	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2815	if $reply;	3282	if $reply;
2816		3283
2817	} else {	3284	} else {
2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2819	}	3286	}
2820		3287
2821	cf::override;	3288	cf::override;
2822	},	3289	},
2823	);	3290	);
…		…
2843		3310
2844	$coro	3311	$coro
2845	}	3312	}
2846		3313
2847	cf::client->attach (	3314	cf::client->attach (
2848	on_destroy => sub {	3315	on_client_destroy => sub {
2849	my ($ns) = @_;	3316	my ($ns) = @_;
2850		3317
2851	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2852	},	3319	},
2853	);	3320	);
…		…
2869	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2870		3337
2871	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2872		3339
2873	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2874	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2875	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2876	sort time	3343	sort time
2877	));	3344	));
2878		3345
2879	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2881	=pod	3348	=pod
2882		3349
2883	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2884		3351
2885	cf::object	3352	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2888		3356
2889	cf::object::player	3357	cf::object::player
2890	player	3358	player
2891		3359
2892	cf::player	3360	cf::player
…		…
2897		3365
2898	=cut	3366	=cut
2899		3367
2900	for (	3368	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2907	) {	3375	) {
2908	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2911	for @funs;	3378	for @funs;
2912	}	3379	}
2913		3380
…		…
2928		3395
2929	my $qcode = $code;	3396	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2932		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2933	local $_;	3403	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;
2935		3404
2936	my $eval =	3405	my $eval =
2937	"do {\n"	3406	"do {\n"
2938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2939	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2940	. $code	3409	. $code
2941	. "\n}"	3410	. "\n}"
2942	;	3411	;
2943		3412
		3413	if ($CFG{safe_eval}) {
2944	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2946	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2947		3422
2948	if ($@) {	3423	if ($@) {
2949	warn "$@";	3424	warn "$@",
2950	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2951	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2952	}	3427	}
2953		3428
2954	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2955	}	3430	}
2956		3431
…		…
2970	=cut	3445	=cut
2971		3446
2972	sub register_script_function {	3447	sub register_script_function {
2973	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2974		3449
2975	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2977	}	3452	}
2978		3453
2979	=back	3454	=back
2980		3455
2981	=cut	3456	=cut
…		…
2990	# for this (global event?)	3465	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
2992		3467
2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2994		3469
2995	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2996		3471
2997	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2998	0 < aio_load $path, $facedata
2999	or die "$path: $!";
3000
3001	$facedata = Coro::Storable::thaw $facedata;
3002		3473
3003	$facedata->{version} == 2	3474	$facedata->{version} == 2
3004	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
3005		3476
3006	# patch in the exptable	3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3007	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
3008	type => FT_RSRC,	3480	type => FT_RSRC,
3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
3010	};	3483	};
3011	cf::cede_to_tick;	3484	cf::cede_to_tick;
3012		3485
3013	{	3486	{
3014	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
3015		3488
3016	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
3018	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3022		3497
3023	cf::cede_to_tick;	3498	cf::cede_to_tick;
3024	}	3499	}
3025		3500
3026	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
3028	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
3029	or next;	3505	or next;
		3506
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3510	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3035	}	3512	}
3036		3513
3037	cf::cede_to_tick;	3514	cf::cede_to_tick;
3038	}	3515	}
3039	}	3516	}
…		…
3048		3525
3049	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3050	}	3527	}
3051		3528
3052	{	3529	{
3053	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3056		3531
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;
3062		3535
3063	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3064	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3065
3066	my $meta = $enc->encode ({
3067	name => $name,
3068	%{ $info->{meta} || {} },
3069	});
3070
3071	$data = pack "(w/a*)*", $meta, $info->{data};
3072	} else {	3538	} else {
3073	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3074	}	3540	}
3075		3541
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3542	cf::cede_to_tick;
3080	}	3543	}
3081
3082	if ($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 => $face;
3097	}
3098	}
3099	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3547
3101	1	3548	1
3102	}	3549	}
3103		3550
3104	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3106		3553
3107	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3109	}	3556	}
3110	};	3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
3111		3568
3112	sub reload_regions {	3569	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3571	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3586	}
3130		3587
3131	sub reload_archetypes {	3588	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3591	}
3140		3592
3141	sub reload_treasures {	3593	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3144	}	3596	}
3145		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
3146	sub reload_resources {	3618	sub reload_resources {
3147	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3148		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3149	reload_regions;	3626	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3627	reload_treasures;
3154		3628
3155	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3630	}
3161		3631
3162	sub reload_config {	3632	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3164	or return;
3165		3634
3166	local $/;	3635	my $config = load_file "$CONFDIR/config";
3167	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3168		3638
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3170		3640
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173		3643
3174	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3178	};	3648	};
3179	warn $@ if $@;	3649	warn $@ if $@;
3180	}	3650	}
3181	}	3651	}
3182		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3183	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3184	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3694	(async {
3188	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3190	};	3698	};
3191		3699
		3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
3192	reload_config;	3712	reload_config;
3193	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3194	load_extensions;	3723	load_extensions;
3195		3724
3196	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3197	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3198	}	3743	}
3199		3744
3200	#############################################################################	3745	#############################################################################
3201	# initialisation and cleanup	3746	# initialisation and cleanup
3202		3747
3203	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3204	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3213	},
3214	);	3754	};
3215	}	3755	}
3216	}	3756	}
3217		3757
3218	sub write_runtime {	3758	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3220		3760
3221	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3223		3763
3224	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3765
3226	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3227		3767
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3229	or return;	3769	or return;
3230		3770
3231	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3244		3784
3245	close $fh	3785	close $fh
3246	or return;	3786	or return;
3247		3787
3248	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3789	and return;
3250		3790
3251	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3252		3792
3253	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
3254	}	3844	}
3255		3845
3256	sub emergency_save() {	3846	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3258		3848
3259	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3260		3855
3261	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3262	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3867	$pl->save;
3270	}	3868	}
3271	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3272		3870
3273	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3876	$map->valid or next;
3277	$map->save;	3877	$map->save;
3278	}	3878	}
3279	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3280		3880
3281	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3284	};	3909	};
3285		3910
3286	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3287	}	3912	}
3288		3913
3289	sub post_cleanup {	3914	sub post_cleanup {
3290	my ($make_core) = @_;	3915	my ($make_core) = @_;
3291		3916
		3917	IO::AIO::flush;
		3918
3292	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3294	}	3949	}
3295		3950
3296	sub do_reload_perl() {	3951	sub do_reload_perl() {
3297	# can/must only be called in main	3952	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3299	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3300	return;	3955	return;
3301	}	3956	}
3302		3957
3303	warn "reloading...";	3958	return if $RELOAD++;
3304		3959
3305	warn "entering sync_job";	3960	my $t1 = AE::time;
3306		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3307	cf::sync_job {	3968	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark
3309	cf::emergency_save;	3969	#cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark
3311		3970
3312	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;
3314
3315	# if anything goes wrong in here, we should simply crash as we already saved
3316
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";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;
3328	warn "iterate...";
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();	3973	%EXT_CORO = ();
3336		3974
3337	warn "removing commands";	3975	trace "perl_reload: removing commands";
3338	%COMMAND = ();	3976	%COMMAND = ();
3339		3977
3340	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3341	%EXTCMD = ();	3979	%EXTCMD = ();
3342	%EXTICMD = ();	3980	%EXTICMD = ();
3343		3981
3344	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3347		3985
3348	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3349	eval {	3987	eval {
3350	$cb->($pkg);	3988	$cb->($pkg);
3351	1	3989	1
3352	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3353	}	3995	}
3354		3996
3355	warn "... nuking $pkg";
3356	Symbol::delete_package $pkg;
3357	}
3358
3359	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3360	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		4000
3363	warn "... unloading $k";	4001	trace "... unloading $k";
3364	delete $INC{$k};	4002	delete $INC{$k};
3365		4003
3366	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3368		4006
3369	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3370	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3371	}	4012	}
3372		4013
3373	Symbol::delete_package $k;
3374	}
3375
3376	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		4017
3380	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		4021
3384	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3385	# and global variables created in xs	4023	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3387		4025
3388	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3389		4027
3390	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3391	require cf;	4029	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3393		4031
3394	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3395	cf::reload_config;	4033	cf::reload_config;
3396		4034
3397	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3398	cf::load_extensions;	4036	cf::load_extensions;
3399		4037
		4038	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3403	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3406		4046
3407	warn "leaving sync_job";	4047	cf::_post_init 1;
3408		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3409	1	4051	1
3410	} or do {	4052	} or do {
3411	warn $@;	4053	error $@;
3412	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3413	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3414	};	4058	}
3415		4059
3416	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3417	};	4062	};
3418		4063
3419	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3420		4065
3421	sub reload_perl() {	4066	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3424		4069
3425	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	4072
3428	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	4074	do_reload_perl;
3431	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3432	},	4076	};
3433	);	4077	};
3434	}	4078	}
3435		4079
3436	register_command "reload" => sub {	4080	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3438		4082
3439	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	4087	reload_perl;
		4088	};
3442	}	4089	}
3443	};	4090	};
3444		4091
3445	unshift @INC, $LIBDIR;	4092	#############################################################################
3446		4093
3447	my $bug_warning = 0;	4094	my $bug_warning = 0;
3448		4095
3449	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3451		4098
3452	sub wait_for_tick {	4099	sub wait_for_tick() {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3455		4101
3456	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	4104	$signal->wait;
3459	}	4105	}
3460		4106
3461	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3464		4109
3465	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	4112	$signal->wait;
3468	}	4113	}
3469		4114
3470	$TICK_WATCHER = Event->timer (	4115	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) {	4116	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3480	return;	4119	return;
3481	}	4120	}
3482		4121
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3486		4123
3487	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3488	$NEXT_TICK += $TICK;
3489		4125
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	4130	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3495	};
3496	}	4132	};
		4133	}
3497		4134
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	4136	$sig->send;
3500	}	4137	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	4139	$sig->send;
3503	}	4140	}
3504		4141
3505	$NOW = Event::time;	4142	$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;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		4144
3516	_post_tick;	4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3517	},	4151	}
3518	);	4152	}
3519		4153
3520	{	4154	{
		4155	# configure BDB
		4156
3521	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4159	$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		4160
3547	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		4168
3554	cf::sync_job {	4169	cf::sync_job {
3555	eval {	4170	eval {
…		…
3565		4180
3566	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4182	};
3568	}	4183	}
3569		4184
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	4185	$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 { };	4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	4187	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4188	$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 { };	4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4190	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4191	$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 { };	4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4193	};
3600	}	4194	}
3601		4195
3602	{	4196	{
		4197	# configure IO::AIO
		4198
3603	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4201	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	}	4202	}
3616		4203
3617	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3618		4206
3619	sub _log_backtrace {	4207	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3621		4209
3622	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3623		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3627	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3628	my @bt = fork_call {	4223	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3640	}	4235	}
3641		4236
3642	@funcs	4237	@funcs
3643	};	4238	};
3644		4239
3645	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4243	--$_log_backtrace;
3648	};	4244	};
3649	} else {	4245	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4248	}
3653	}	4249	}
3654		4250
3655	# load additional modules	4251	# load additional modules
3656	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3657		4254
3658	END { cf::emergency_save }	4255	END { cf::emergency_save }
3659		4256
3660	1	4257	1
3661		4258

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