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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.359 by root, Sat Sep 8 18:15:55 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	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::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	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
170	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
171	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.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	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
176	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
177	that call.	252	that call.
178		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
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$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;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	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	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
221		324
222	#############################################################################	325	#############################################################################
223		326
224	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
225		328
…		…
246	$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;
247	$d	350	$d
248	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
249	}	352	}
250		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
251	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
252		369
253	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
254		371
255	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
256		373
257	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
258		375
259	=cut	376	=cut
260		377
261	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
262		379
263	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		444
266	=item cf::lock_wait $string	445	=item cf::lock_wait $string
267		446
268	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
269		448
270	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
271		450
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
275	returned.	454	returned.
276		455
277	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
278	deadlocked coro.	457	deadlocked coro.
…		…
284		463
285	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.
286		465
287	=cut	466	=cut
288		467
289	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		469
292	sub lock_wait($) {	470	sub lock_wait($) {
293	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	472	}
306		473
307	sub lock_acquire($) {	474	sub lock_acquire($) {
308	my ($key) = @_;	475	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	476	}
322		477
323	sub lock_active($) {	478	sub lock_active($) {
324	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	480	}
328		481
329	sub freeze_mainloop {	482	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
331		484
332	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	486	}
334	};	487
335	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
336	$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
337	}	501	}
338		502
339	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
340		504
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
342	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
343	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
344		512
345	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
346	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
347		515
348	Useful for short background jobs.	516	Useful for short background jobs.
349		517
350	=cut	518	=cut
351		519
352	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
354		523
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
357	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
358		530
359	while () {	531	while () {
360	next_job:	532	next_job:
		533
361	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	535
363	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	540	$job->[2]->send;
367	Coro::cede;	541	Coro::cede;
368	goto next_job;	542	goto next_job;
369	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	545	}
371	}	546	}
372		547
373	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
374	# 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
375	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	551	$signal->wait;
377	} else {	552	} else {
		553	$busy = 0;
378	Coro::schedule;	554	Coro::schedule;
379	}	555	}
380	}	556	}
381	};	557	};
382		558
383	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
384	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
385		563
386	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
387	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
388		567
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
402		581
403	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
404		583
405	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
406		585
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	589	acceptable.
411		590
412	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
417	=cut	596	=cut
418		597
419	sub sync_job(&) {	598	sub sync_job(&) {
420	my ($job) = @_;	599	my ($job) = @_;
421		600
422	if ($Coro::current == $Coro::main) {	601	if (in_main) {
423	my $time = Event::time;	602	my $time = AE::time;
424		603
425	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
427		606
428	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	608
430	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
431		610
432	my $busy = 1;	611	my $busy = 1;
433	my @res;	612	my @res;
434		613
435	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	616	@res = eval { $job->() };
437	warn $@ if $@;	617	error $@ if $@;
438	undef $busy;	618	undef $busy;
439	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
440		620
441	while ($busy) {	621	while ($busy) {
442	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
443	}	626	}
		627	}
444		628
445	$time = Event::time - $time;	629	my $time = AE::time - $time;
446		630
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
451		632
452	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
453	} else {	634	} else {
454	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
455		636
…		…
475	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
476		657
477	$coro	658	$coro
478	}	659	}
479		660
480	=item fork_call { }, $args	661	=item fork_call { }, @args
481		662
482	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
486		667
487	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
488		673
489	sub fork_call(&@) {	674	sub fork_call(&@) {
490	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
491		676
492	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
493	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
494	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
495		680
496	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
497	reset_signals;	682	cf::post_fork;
498	&$cb	683	&$cb
499	}, @args;	684	} @args;
500		685
501	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
502	}	725	}
503		726
504	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
505		728
506	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
508	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
509		732
510	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
513	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
514		762
515	our $DB;	763	our $DB;
516		764
517	sub db_init {	765	sub db_init {
518	unless ($DB) {	766	$DB ||= db_table "db";
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {
522	eval {
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}
532	}	767	}
533		768
534	sub db_get($$) {	769	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
536		771
537	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
538	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
539		776
540	$! ? ()	777	$! ? ()
541	: $data	778	: $data
542	}
543	}	779	}
544		780
545	sub db_put($$$) {	781	sub db_put($$$) {
546	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575		811
576	my @data;	812	my @data;
577	my $md5;	813	my $md5;
578		814
579	for (0 .. $#$src) {	815	for (0 .. $#$src) {
580	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
581	or Carp::croak "$src->[$_]: $!";
582	}	817	}
583		818
584	# if processing is expensive, check	819	# if processing is expensive, check
585	# checksum first	820	# checksum first
586	if (1) {	821	if (1) {
…		…
603		838
604	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
605	my $data = $process->(\@data);	840	my $data = $process->(\@data);
606	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
607		842
608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
609		844
610	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
611	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
612	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
613		848
…		…
623		858
624	=cut	859	=cut
625		860
626	sub datalog($@) {	861	sub datalog($@) {
627	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
629	}	864	}
630		865
631	=back	866	=back
632		867
633	=cut	868	=cut
634		869
635	#############################################################################	870	#############################################################################
636		871
637	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
638		873
639	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
640	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")
641	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
642		877
643	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>
644	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
645	Crossfire TRT).	880	Deliantra).
646		881
647	=over 4	882	=over 4
648		883
649	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
650		885
…		…
694	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
695		930
696	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
697	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
698		933
699	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
700	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.
701		936
702	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
703		938
704	=over 4	939	=over 4
…		…
828		1063
829	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
830	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
831		1066
832	} elsif (ref $type) {	1067	} elsif (ref $type) {
833	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
834		1069
835	} else {	1070	} else {
836	shift @arg;	1071	shift @arg;
837	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
838	}	1073	}
839	}	1074	}
840	}	1075	}
841		1076
842	sub _object_attach {	1077	sub _object_attach {
…		…
852	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
853	}	1088	}
854		1089
855	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
856	} else {	1091	} else {
857	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
858	}	1093	}
859		1094
860	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
861	}	1096	}
862		1097
…		…
921		1156
922	for (@$callbacks) {	1157	for (@$callbacks) {
923	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
924		1159
925	if ($@) {	1160	if ($@) {
926	warn "$@";
927	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
928	override;	1162	override;
929	}	1163	}
930		1164
931	return 1 if $override;	1165	return 1 if $override;
932	}	1166	}
933		1167
934	0	1168	0
935	}	1169	}
936		1170
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1172
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1174
941	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
942		1176
…		…
948		1182
949	=cut	1183	=cut
950		1184
951	#############################################################################	1185	#############################################################################
952	# object support	1186	# object support
953	#
954		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 $SLOW_MERGES;#d#
955	sub _can_merge {	1221	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
957		1223
958	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1225
962	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
963	}	1228	}
964		1229
965	sub reattach {	1230	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1232	my ($obj) = @_;
968		1233
		1234	# no longer needed after getting rid of delete_package?
969	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
970		1236
971	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
972		1238
973	@$registry = ();	1239	@$registry = ();
974		1240
…		…
979	for (@$attach) {	1245	for (@$attach) {
980	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
981	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
982	}	1248	}
983	} else {	1249	} else {
984	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
985	}	1251	}
986	}	1252	}
987	}	1253	}
988		1254
989	cf::attachable->attach (	1255	cf::attachable->attach (
990	prio => -1000000,	1256	prio => -1000000,
991	on_instantiate => sub {	1257	on_instantiate => sub {
992	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
993		1259
994	$data = from_json $data;	1260	$data = decode_json $data;
995		1261
996	for (@$data) {	1262	for (@$data) {
997	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
998		1264
999	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1279	);
1014		1280
1015	sub object_freezer_save {	1281	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1017		1283
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1284	sync_job {
1021	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1024		1290
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	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	}
1029	close $fh;	1298	aio_close $fh;
1030		1299
1031	if (@$objs) {	1300	if (@$objs) {
1032	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) {
1033	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1036	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	}
1037	close $fh;	1309	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1311	}
1040	} else {	1312	} else {
1041	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1042	}	1314	}
1043		1315
1044	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1320	} else {
1046	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1047	}	1322	}
1048	} else {	1323	} else {
1049	aio_unlink $filename;	1324	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1051	}	1326	}
1052	};	1327	};
1053
1054	undef $guard;
1055	}	1328	}
1056		1329
1057	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1059		1332
…		…
1064		1337
1065	sub object_thawer_load {	1338	sub object_thawer_load {
1066	my ($filename) = @_;	1339	my ($filename) = @_;
1067		1340
1068	my ($data, $av);	1341	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1342
1072	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1073	or return;	1344	or return;
1074		1345
1075	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1348	or return;
1078		1349
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1081	}	1352	}
1082		1353
		1354	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1085		1358
1086	($data, $av)	1359	($data, $av)
1087	}	1360	}
1088		1361
1089	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1146		1419
1147	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1148	}	1421	}
1149		1422
		1423	use File::Glob ();
		1424
1150	cf::player->attach (	1425	cf::player->attach (
1151	on_command => sub {	1426	on_unknown_command => sub {
1152	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1153		1428
1154	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1155	or return;	1430	or return;
1156		1431
…		…
1179		1454
1180	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1181	if $reply;	1456	if $reply;
1182		1457
1183	} else {	1458	} else {
1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1185	}	1460	}
1186		1461
1187	cf::override;	1462	cf::override;
1188	},	1463	},
1189	);	1464	);
1190		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
1191	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1192	cf::sync_job {	1482	cf::sync_job {
1193	my %todo;	1483	my %todo;
1194		1484
1195	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1196	next unless -r $path;	1486	next unless -r $path;
…		…
1214		1504
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1507
1218	$ext{source} =	1508	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1220	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1221	. $source	1511	. $source
1222	. "\n};\n1";	1512	. "\n};\n1";
1223		1513
1224	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1225	}	1515	}
1226		1516
		1517	my $pass = 0;
1227	my %done;	1518	my %done;
1228	while (%todo) {	1519	while (%todo) {
1229	my $progress;	1520	my $progress;
1230		1521
		1522	++$pass;
		1523
		1524	ext:
1231	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1527	next ext
1234	unless exists $done{$_};	1528	unless exists $done{$_};
1235	}	1529	}
1236		1530
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1532
1239	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1244	warn $msg;	1540
1245	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1246	exit 1;	1542	delete $todo{$k};
1247	}	1543	} else {
1248		1544	$done{$k} = delete $todo{$k};
1249	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1250	}	1550	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1551	}
1256		1552
1257	skip:	1553	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	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	}
1260	}	1563	}
1261	};	1564	};
1262	}	1565	}
1263		1566
1264	#############################################################################	1567	#############################################################################
1265		1568
1266	=back	1569	=back
1267		1570
1268	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1269		1572
1270	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1271		1574
1272	=cut	1575	=cut
1273		1576
1274	package cf::player;	1577	package cf::player;
1275		1578
1276	use Coro::AIO;	1579	use Coro::AIO;
1277		1580
1278	=head3 cf::player	1581	=head3 cf::player
1279		1582
1280	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1281		1598
1282	=item cf::player::find $login	1599	=item cf::player::find $login
1283		1600
1284	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1285		1602
…		…
1304		1621
1305	sub exists($) {	1622	sub exists($) {
1306	my ($login) = @_;	1623	my ($login) = @_;
1307		1624
1308	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1309	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1310	}	1627	}
1311		1628
1312	sub find($) {	1629	sub find($) {
1313	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1314	my $login = $_[0];	1631	my $login = $_[0];
…		…
1324	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1325		1642
1326	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1327	or return;	1644	or return;
1328		1645
1329	$f->next;
1330	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1331	or return;	1647	or return;
		1648
1332	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1333	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1334	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1335	}	1652	}
1336	}	1653	}
1337	}	1654	}
1338		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1339	sub save($) {	1669	sub save($) {
1340	my ($pl) = @_;	1670	my ($pl) = @_;
1341		1671
1342	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1343		1673
…		…
1346		1676
1347	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1348		1678
1349	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1350	$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];
1351		1686
1352	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1688	cf::cede_to_tick;
1354	}	1689	}
1355		1690
…		…
1387	my ($pl) = @_;	1722	my ($pl) = @_;
1388		1723
1389	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1390		1725
1391	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1392	$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
1393		1728
1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1395	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1397	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1398		1737
1399	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1400	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1401	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1439		1778
1440	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1441	my $path = path $login;	1780	my $path = path $login;
1442		1781
1443	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1788	}
1449		1789
…		…
1453		1793
1454	\@logins	1794	\@logins
1455	}	1795	}
1456		1796
1457	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1458		1800
1459	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1460	player. May block.	1802	player. May block.
1461		1803
1462	=cut	1804	=cut
…		…
1480	}	1822	}
1481		1823
1482	\@paths	1824	\@paths
1483	}	1825	}
1484		1826
1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486		1828
1487	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1488
1489	=cut
1490
1491	sub expand_cfpod {
1492	((my $self), (local $_)) = @_;
1493
1494	# escape & and <
1495	s/&/&amp;/g;
1496	s/(?<![BIUGHT])</&lt;/g;
1497
1498	# this is buggy, it needs to properly take care of nested <'s
1499
1500	1 while
1501	# replace B<>, I<>, U<> etc.
1502	s/B<([^\>]*)>/<b>$1<\/b>/
1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506	# replace G<male|female> tags
1507	|| s{G<([^>|]*)\|([^>]*)>}{
1508	$self->gender ? $2 : $1
1509	}ge
1510	# replace H<hint text>
1511	|| s{H<([^\>]*)>}
1512	{
1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515	"")
1516	[$self->{hintmode}]
1517	}ge;
1518
1519	# create single paragraphs (very hackish)
1520	s/(?<=\S)\n(?=\w)/ /g;
1521
1522	# compress some whitespace
1523	s/\s+\n/\n/g; # ws line-ends
1524	s/\n\n+/\n/g; # double lines
1525	s/^\n+//; # beginning lines
1526	s/\n+$//; # ending lines
1527
1528	$_
1529	}
1530
1531	sub hintmode {
1532	$_[0]{hintmode} = $_[1] if @_ > 1;
1533	$_[0]{hintmode}
1534	}
1535		1830
1536	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1537		1832
1538	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1539		1834
…		…
1571		1866
1572	=cut	1867	=cut
1573		1868
1574	sub find_by_path($) {	1869	sub find_by_path($) {
1575	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1576		1873
1577	my ($match, $specificity);	1874	my ($match, $specificity);
1578		1875
1579	for my $region (list) {	1876	for my $region (list) {
1580	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1606	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1608		1905
1609	sub generate_random_map {	1906	sub generate_random_map {
1610	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1611	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1612	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1616	$rmp->{exit_on_final_map},
1617	$rmp->{xsize}, $rmp->{ysize},
1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1624	)
1625	}	1912	}
1626		1913
1627	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1628		1915
1629	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
…		…
1634		1921
1635	sub register {	1922	sub register {
1636	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1637	my $pkg = caller;	1924	my $pkg = caller;
1638		1925
1639	no strict;
1640	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1641		1927
1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1643	}	1929	}
1644		1930
1645	# also paths starting with '/'	1931	# also paths starting with '/'
1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1647		1933
1648	sub thawer_merge {	1934	sub thawer_merge {
1649	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1650		1936
1651	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1656	}	1942	}
1657		1943
1658	sub normalise {	1944	sub normalise {
1659	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1660		1946
1661	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1662		1948
1663	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1664		1950
1665	# map plan:	1951	# map plan:
1666	#	1952	#
…		…
1681	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1682	$path = "$base/$path";	1968	$path = "$base/$path";
1683	}	1969	}
1684		1970
1685	for ($path) {	1971	for ($path) {
1686	redo if s{//}{/};
1687	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1688	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1689	}	1974	}
1690		1975
1691	$path	1976	$path
…		…
1705	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1706	return $self;	1991	return $self;
1707	}	1992	}
1708	}	1993	}
1709		1994
1710	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1711	()	1996	()
1712	}	1997	}
1713		1998
		1999	# may re-bless or do other evil things
1714	sub init {	2000	sub init {
1715	my ($self) = @_;	2001	my ($self) = @_;
1716		2002
1717	$self	2003	$self
1718	}	2004	}
…		…
1737		2023
1738	# the temporary/swap location	2024	# the temporary/swap location
1739	sub save_path {	2025	sub save_path {
1740	my ($self) = @_;	2026	my ($self) = @_;
1741		2027
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1744	}	2030	}
1745		2031
1746	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1747	sub uniq_path {	2033	sub uniq_path {
1748	my ($self) = @_;	2034	my ($self) = @_;
1749		2035
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1752	}
1753
1754	# and all this just because we cannot iterate over
1755	# all maps in C++...
1756	sub change_all_map_light {
1757	my ($change) = @_;
1758
1759	$_->change_map_light ($change)
1760	for grep $_->outdoor, values %cf::MAP;
1761	}	2038	}
1762		2039
1763	sub decay_objects {	2040	sub decay_objects {
1764	my ($self) = @_;	2041	my ($self) = @_;
1765		2042
…		…
1847		2124
1848	sub find;	2125	sub find;
1849	sub find {	2126	sub find {
1850	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1851		2128
		2129	cf::cede_to_tick;
		2130
1852	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1853		2132
1854	cf::lock_wait "map_data:$path";#d#remove	2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1856		2135
1857	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1858	my $guard1 = cf::lock_acquire "map_find:$path";
1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1861	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1862	or return;	2138	or return;
1863		2139
1864	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1865		2141
…		…
1867	or return;	2143	or return;
1868		2144
1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1871	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
1872	undef $guard1;	2149	undef $guard1;
1873	undef $guard2;
1874	$map->reset;	2150	$map->reset;
1875	return find $path;	2151	return find $path;
1876	}	2152	}
1877		2153
1878	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1879	}	2155	}
1880	}	2156	}
1881		2157
1882	sub pre_load { }	2158	sub pre_load { }
1883	sub post_load { }	2159	#sub post_load { } # XS
1884		2160
1885	sub load {	2161	sub load {
1886	my ($self) = @_;	2162	my ($self) = @_;
1887		2163
1888	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1891		2167
1892	{	2168	{
1893	my $guard = cf::lock_acquire "map_data:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1894		2170
1895	return unless $self->valid;	2171	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2173
1898	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1899		2175
1900	$self->alloc;	2176	$self->alloc;
1901		2177
…		…
1905	my $f = new_from_file cf::object::thawer $self->{load_path};	2181	my $f = new_from_file cf::object::thawer $self->{load_path};
1906	$f->skip_block;	2182	$f->skip_block;
1907	$self->_load_objects ($f)	2183	$self->_load_objects ($f)
1908	or return;	2184	or return;
1909		2185
1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1911	if delete $self->{load_original};	2187	if delete $self->{load_original};
1912		2188
1913	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1914	utf8::encode $uniq;	2190	utf8::encode $uniq;
1915	unless (aio_stat $uniq) {	2191	unless (aio_stat $uniq) {
…		…
1933	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1934	$self->decay_objects;	2210	$self->decay_objects;
1935	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1936	$self->update_buttons;	2212	$self->update_buttons;
1937	cf::cede_to_tick;	2213	cf::cede_to_tick;
1938	$self->set_darkness_map;
1939	cf::cede_to_tick;
1940	$self->activate;	2214	$self->activate;
1941	}	2215	}
1942		2216
1943	$self->{last_save} = $cf::RUNTIME;	2217	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2218	$self->last_access ($cf::RUNTIME);
1945		2219
1946	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1947	}	2221	}
1948		2222
1949	$self->post_load;	2223	$self->post_load;
1950	}
1951		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1952	sub customise_for {	2231	sub customise_for {
1953	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1954		2233
1955	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1956	if $self->per_player;	2235	if $self->per_player;
…		…
1972	or next;	2251	or next;
1973	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1974	or next;	2253	or next;
1975	$neigh->load;	2254	$neigh->load;
1976		2255
		2256	# now find the diagonal neighbours
1977	push @neigh,	2257	push @neigh,
1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1980	}	2260	}
1981		2261
…		…
1988	}	2268	}
1989		2269
1990	sub find_sync {	2270	sub find_sync {
1991	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1992		2272
1993	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1994	}	2277	}
1995		2278
1996	sub do_load_sync {	2279	sub do_load_sync {
1997	my ($map) = @_;	2280	my ($map) = @_;
1998		2281
1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2000	if $Coro::current == $Coro::main;	2283	if $Coro::current == $Coro::main;
2001		2284
2002	cf::sync_job { $map->load };	2285	$map->load;
2003	}	2286	}
2004		2287
2005	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
2006	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
2007		2290
…		…
2009	my ($path, $origin, $load) = @_;	2292	my ($path, $origin, $load) = @_;
2010		2293
2011	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
2012		2295
2013	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015	}	2298	}
2016		2299
2017	$MAP_PREFETCH{$path} |= $load;	2300	$MAP_PREFETCH{$path} |= $load;
2018		2301
2019	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
2020	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2307	if (my $map = find $k) {
2023	$map->load if $v;	2308	$map->load if $v;
2024	}	2309	}
…		…
2031	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
2032		2317
2033	()	2318	()
2034	}	2319	}
2035		2320
		2321	# common code, used by both ->save and ->swapout
2036	sub save {	2322	sub _save {
2037	my ($self) = @_;	2323	my ($self) = @_;
2038
2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
2040		2324
2041	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
2042		2326
2043	return unless $self->dirty;	2327	return unless $self->dirty;
2044		2328
…		…
2050	return if $self->{deny_save};	2334	return if $self->{deny_save};
2051		2335
2052	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
2053		2337
2054	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
2056	};	2341	};
		2342
		2343	cf::get_slot 0.02;
2057		2344
2058	if ($uniq) {	2345	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2348	} else {
2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2063	}	2350	}
2064	}	2351	}
2065		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
2066	sub swap_out {	2361	sub swap_out {
2067	my ($self) = @_;	2362	my ($self) = @_;
2068		2363
2069	# save first because save cedes
2070	$self->save;
2071
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
2074	return if $self->players;	2368	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
2076	return if $self->{deny_save};
2077		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->in_memory (cf::MAP_SWAPPED);	2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
		2379	$self->clear;
		2380	}
		2381
		2382	sub reset_at {
		2383	my ($self) = @_;
		2384
		2385	# TODO: safety, remove and allow resettable per-player maps
		2386	return 1e99 if $self->{deny_reset};
		2387
		2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2390
		2391	$time + $to
		2392	}
		2393
		2394	sub should_reset {
		2395	my ($self) = @_;
		2396
		2397	$self->reset_at <= $cf::RUNTIME
		2398	}
		2399
		2400	sub reset {
		2401	my ($self) = @_;
		2402
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
		2405	return if $self->players;
		2406
		2407	cf::trace "resetting map ", $self->path, "\n";
		2408
		2409	$self->in_memory (cf::MAP_SWAPPED);
		2410
		2411	# need to save uniques path
		2412	unless ($self->{deny_save}) {
		2413	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2414
		2415	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2416	if $uniq;
		2417	}
		2418
		2419	delete $cf::MAP{$self->path};
2079		2420
2080	$self->deactivate;	2421	$self->deactivate;
2081	$_->clear_links_to ($self) for values %cf::MAP;	2422	$_->clear_links_to ($self) for values %cf::MAP;
2082	$self->clear;	2423	$self->clear;
2083	}
2084
2085	sub reset_at {
2086	my ($self) = @_;
2087
2088	# TODO: safety, remove and allow resettable per-player maps
2089	return 1e99 if $self->{deny_reset};
2090
2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2093
2094	$time + $to
2095	}
2096
2097	sub should_reset {
2098	my ($self) = @_;
2099
2100	$self->reset_at <= $cf::RUNTIME
2101	}
2102
2103	sub reset {
2104	my ($self) = @_;
2105
2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
2107
2108	return if $self->players;
2109
2110	warn "resetting map ", $self->path;
2111
2112	$self->in_memory (cf::MAP_SWAPPED);
2113
2114	# need to save uniques path
2115	unless ($self->{deny_save}) {
2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
2117
2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2119	if $uniq;
2120	}
2121
2122	delete $cf::MAP{$self->path};
2123
2124	$self->deactivate;
2125	$_->clear_links_to ($self) for values %cf::MAP;
2126	$self->clear;
2127		2424
2128	$self->unlink_save;	2425	$self->unlink_save;
2129	$self->destroy;	2426	$self->destroy;
2130	}	2427	}
2131		2428
…		…
2139		2436
2140	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
2141		2438
2142	$self->unlink_save;	2439	$self->unlink_save;
2143		2440
2144	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
2145	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
2146	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
2147	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2149		2446
…		…
2198		2495
2199	sub unique_maps() {	2496	sub unique_maps() {
2200	[	2497	[
2201	map {	2498	map {
2202	utf8::decode $_;	2499	utf8::decode $_;
2203	/\.map$/	2500	s/\.map$//; # TODO future compatibility hack
		2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
2204	? normalise $_	2503	: normalise $_
2205	: ()
2206	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
2207	]	2505	]
2208	}	2506	}
2209		2507
2210	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
2211		2539
2212	=back	2540	=back
2213		2541
2214	=head3 cf::object	2542	=head3 cf::object
2215		2543
…		…
2219		2547
2220	=over 4	2548	=over 4
2221		2549
2222	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
2223		2551
2224	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
2225		2554
2226	=cut	2555	=cut
2227		2556
2228	sub inv_recursive_;	2557	sub inv_recursive_;
2229	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
2234	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
2235	}	2564	}
2236		2565
2237	=item $ref = $ob->ref	2566	=item $ref = $ob->ref
2238		2567
2239	creates and returns a persistent reference to an objetc that can be stored as a string.	2568	Creates and returns a persistent reference to an object that can be stored as a string.
2240		2569
2241	=item $ob = cf::object::deref ($refstring)	2570	=item $ob = cf::object::deref ($refstring)
2242		2571
2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2244	even if the object actually exists. May block.	2573	even if the object actually exists. May block.
…		…
2246	=cut	2575	=cut
2247		2576
2248	sub deref {	2577	sub deref {
2249	my ($ref) = @_;	2578	my ($ref) = @_;
2250		2579
2251	# temporary compatibility#TODO#remove
2252	$ref =~ s{^<}{player/<};
2253
2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2255	my ($uuid, $name) = ($1, $2);	2581	my ($uuid, $name) = ($1, $2);
2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2257	or return;	2583	or return;
2258	$pl->ob->uuid eq $uuid	2584	$pl->ob->uuid eq $uuid
2259	or return;	2585	or return;
…		…
2279	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
2280	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
2281		2607
2282	=cut	2608	=cut
2283		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
		2623
2284	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
2285	# with dialog boxes.	2625	# with dialog boxes.
2286	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
2287	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
2288	my ($self, $npc, $msg, $flags) = @_;	2628	my ($self, $npc, $msg, $flags) = @_;
…		…
2299	my $dialog = $pl->{npc_dialog};	2639	my $dialog = $pl->{npc_dialog};
2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2301		2641
2302	} else {	2642	} else {
2303	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
2304	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2305	}	2645	}
2306	}	2646	}
2307	}	2647	}
2308		2648
2309	=item $object->send_msg ($channel, $msg, $color, [extra...])	2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2334		2674
2335	=item $player_object->enter_link	2675	=item $player_object->enter_link
2336		2676
2337	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
2338		2678
2339	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
2340	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
2341		2683
2342	Will never block.	2684	Will never block.
2343		2685
2344	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
2345		2687
…		…
2365	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
2366	my ($self) = @_;	2708	my ($self) = @_;
2367		2709
2368	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
2369		2711
		2712	++$self->{_link_recursion};
		2713
2370	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
2371		2715
2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2373	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
2374		2718
2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2376	}	2720	}
2377		2721
2378	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
2379	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
2380		2724
…		…
2397	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2398	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2399		2743
2400	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2401	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2402	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2403		2747
2404	$map->load;	2748	$map->load;
2405	$map->load_neighbours;	2749	$map->load_neighbours;
2406		2750
2407	return unless $self->contr->active;	2751	return unless $self->contr->active;
2408	$self->activate_recursive;
2409		2752
2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2411	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2412	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2413		2760
		2761	}
		2762
2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2415		2764
2416	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2417	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2418	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2419	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2420	be called at the end of this process.	2769	be called at the end of this process.
2421		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2422	=cut	2774	=cut
2423		2775
2424	our $GOTOGEN;	2776	our $GOTOGEN;
2425		2777
2426	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2427	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2428		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2429	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2431		2789
2432	$self->enter_link;	2790	$self->enter_link;
2433		2791
2434	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2435	my $map = eval {	2814	my $map = eval {
2436	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
2437		2816
2438	if ($map) {	2817	if ($map) {
2439	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2440	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2441	} else {	2820	} else {
2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2443	}	2822	}
2444		2823
2445	$map	2824	$map
2446	};	2825	};
2447		2826
…		…
2453	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2454	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2455	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2456	}	2835	}
2457		2836
2458	$done->() if $done;	2837	$done->($self) if $done;
2459	})->prio (1);	2838	})->prio (1);
2460	}	2839	}
2461		2840
2462	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2463		2842
…		…
2483	}	2862	}
2484		2863
2485	sub prepare_random_map {	2864	sub prepare_random_map {
2486	my ($exit) = @_;	2865	my ($exit) = @_;
2487		2866
2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
2489
2490	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2491	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2492	# that depends on the exit object	2869	# that depends on the exit object
2493		2870
2494	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2496	if ($exit->map) {	2873	if ($exit->map) {
2497	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2498	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2499	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2500	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2501	}	2880	}
2502		2881
2503	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2504		2883
2505	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2506	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2507	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2508		2887
2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2510	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2511	undef $fh;	2890	undef $fh;
2512	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2513		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2514	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2515	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2516	}	2899	}
2517	}	2900	}
2518		2901
2519	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2520	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2521		2904
2522	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2523		2906
2524	if ($exit->slaying eq "/!") {
2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
2526	# the problem is that $exit might not survive long enough
2527	# so it needs to be done right now, right here
2528	cf::sync_job { prepare_random_map $exit };
2529	}
2530
2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2532	my $hp = $exit->stats->hp;
2533	my $sp = $exit->stats->sp;
2534
2535	$self->enter_link;	2907	$self->enter_link;
2536		2908
2537	# if exit is damned, update players death & WoR home-position
2538	$self->contr->savebed ($slaying, $hp, $sp)
2539	if $exit->flag (FLAG_DAMNED);
2540
2541	(async {	2909	(async {
2542	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2543	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
2544	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2545		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
2546	1;	2933	1
2547	}) {	2934	}) {
2548	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2549	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2550	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2551	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2552		2939
2553	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2554	$self->leave_link;	2941	$self->leave_link;
2555	}	2942	}
2556	})->prio (1);	2943	})->prio (1);
2557	}	2944	}
2558		2945
…		…
2570	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
2571	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
2572		2959
2573	utf8::encode $text;	2960	utf8::encode $text;
2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2962	}
		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
2575	}	2987	}
2576		2988
2577	=item $client->send_msg ($channel, $msg, $color, [extra...])	2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
2578		2990
2579	Send a drawinfo or msg packet to the client, formatting the msg for the	2991	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2581	the message, with C<log> being the default. If C<$color> is negative, suppress	2993	the message, with C<log> being the default. If C<$color> is negative, suppress
2582	the message unless the client supports the msg packet.	2994	the message unless the client supports the msg packet.
2583		2995
2584	=cut	2996	=cut
2585		2997
		2998	# non-persistent channels (usually the info channel)
2586	our %CHANNEL = (	2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
2587	"c/identify" => {	3006	"c/identify" => {
2588	id => "identify",	3007	id => "infobox",
2589	title => "Identify",	3008	title => "Identify",
2590	reply => undef,	3009	reply => undef,
2591	tooltip => "Items recently identified",	3010	tooltip => "Items recently identified",
2592	},	3011	},
2593	"c/examine" => {	3012	"c/examine" => {
2594	id => "examine",	3013	id => "infobox",
2595	title => "Examine",	3014	title => "Examine",
2596	reply => undef,	3015	reply => undef,
2597	tooltip => "Signs and other items you examined",	3016	tooltip => "Signs and other items you examined",
2598	},	3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
2599	);	3110	);
2600		3111
2601	sub cf::client::send_msg {	3112	sub cf::client::send_msg {
2602	my ($self, $channel, $msg, $color, @extra) = @_;	3113	my ($self, $channel, $msg, $color, @extra) = @_;
2603		3114
2604	$msg = $self->pl->expand_cfpod ($msg);	3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
2605		3117
2606	$color &= cf::NDI_CLIENT_MASK; # just in case...	3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
2607		3119
2608	# check predefined channels, for the benefit of C	3120	# check predefined channels, for the benefit of C
2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
2610		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
2611	if (ref $channel) {	3127	} elsif (ref $channel) {
2612	# send meta info to client, if not yet sent	3128	# send meta info to client, if not yet sent
2613	unless (exists $self->{channel}{$channel->{id}}) {	3129	unless (exists $self->{channel}{$channel->{id}}) {
2614	$self->{channel}{$channel->{id}} = $channel;	3130	$self->{channel}{$channel->{id}} = $channel;
2615	$self->ext_msg (channel_info => $channel)	3131	$self->ext_msg (channel_info => $channel);
2616	if $self->can_msg;
2617	}	3132	}
2618		3133
2619	$channel = $channel->{id};	3134	$channel = $channel->{id};
2620	}	3135	}
2621		3136
2622	return unless @extra || length $msg;	3137	return unless @extra || length $msg;
2623		3138
2624	if ($self->can_msg) {
2625	# default colour, mask it out	3139	# default colour, mask it out
2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2627	if $color & cf::NDI_DEF;	3141	if $color & cf::NDI_DEF;
2628		3142
2629	$self->send_packet ("msg " . $self->{json_coder}->encode (	3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2631	} else {	3146	);
2632	if ($color >= 0) {
2633	# replace some tags by gcfclient-compatible ones
2634	for ($msg) {
2635	1 while
2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2641	}
2642		3147
2643	$color &= cf::NDI_COLOR_MASK;	3148	$self->send_big_packet ($pkt);
2644
2645	utf8::encode $msg;
2646
2647	if (0 && $msg =~ /\[/) {
2648	# COMMAND/INFO
2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
2650	} else {
2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2652	$self->send_packet ("drawinfo $color $msg")
2653	}
2654	}
2655	}
2656	}	3149	}
2657		3150
2658	=item $client->ext_msg ($type, @msg)	3151	=item $client->ext_msg ($type, @msg)
2659		3152
2660	Sends an ext event to the client.	3153	Sends an ext event to the client.
…		…
2663		3156
2664	sub cf::client::ext_msg($$@) {	3157	sub cf::client::ext_msg($$@) {
2665	my ($self, $type, @msg) = @_;	3158	my ($self, $type, @msg) = @_;
2666		3159
2667	if ($self->extcmd == 2) {	3160	if ($self->extcmd == 2) {
2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2669	} elsif ($self->extcmd == 1) { # TODO: remove	3162	} elsif ($self->extcmd == 1) { # TODO: remove
2670	push @msg, msgtype => "event_$type";	3163	push @msg, msgtype => "event_$type";
2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2672	}	3165	}
2673	}	3166	}
2674		3167
2675	=item $client->ext_reply ($msgid, @msg)	3168	=item $client->ext_reply ($msgid, @msg)
2676		3169
…		…
2680		3173
2681	sub cf::client::ext_reply($$@) {	3174	sub cf::client::ext_reply($$@) {
2682	my ($self, $id, @msg) = @_;	3175	my ($self, $id, @msg) = @_;
2683		3176
2684	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2686	} elsif ($self->extcmd == 1) {	3179	} elsif ($self->extcmd == 1) {
2687	#TODO: version 1, remove	3180	#TODO: version 1, remove
2688	unshift @msg, msgtype => "reply", msgid => $id;	3181	unshift @msg, msgtype => "reply", msgid => $id;
2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2690	}	3183	}
2691	}	3184	}
2692		3185
2693	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2694		3187
…		…
2765		3258
2766	$ns->ext_reply ($reply, @reply)	3259	$ns->ext_reply ($reply, @reply)
2767	if $reply;	3260	if $reply;
2768		3261
2769	} else {	3262	} else {
2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2771	}	3264	}
2772		3265
2773	cf::override;	3266	cf::override;
2774	},	3267	},
2775	);	3268	);
…		…
2795		3288
2796	$coro	3289	$coro
2797	}	3290	}
2798		3291
2799	cf::client->attach (	3292	cf::client->attach (
2800	on_destroy => sub {	3293	on_client_destroy => sub {
2801	my ($ns) = @_;	3294	my ($ns) = @_;
2802		3295
2803	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2804	},	3297	},
2805	);	3298	);
…		…
2821	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2822		3315
2823	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2824		3317
2825	$safe->permit_only (Opcode::opset qw(	3318	$safe->permit_only (Opcode::opset qw(
2826	:base_core :base_mem :base_orig :base_math	3319	:base_core :base_mem :base_orig :base_math :base_loop
2827	grepstart grepwhile mapstart mapwhile	3320	grepstart grepwhile mapstart mapwhile
2828	sort time	3321	sort time
2829	));	3322	));
2830		3323
2831	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
…		…
2833	=pod	3326	=pod
2834		3327
2835	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2836		3329
2837	cf::object	3330	cf::object
2838	contr pay_amount pay_player map x y force_find force_add	3331	contr pay_amount pay_player map x y force_find force_add destroy
2839	insert remove name archname title slaying race decrease_ob_nr	3332	insert remove name archname title slaying race decrease split
		3333	value
2840		3334
2841	cf::object::player	3335	cf::object::player
2842	player	3336	player
2843		3337
2844	cf::player	3338	cf::player
…		…
2849		3343
2850	=cut	3344	=cut
2851		3345
2852	for (	3346	for (
2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2854	insert remove inv name archname title slaying race	3348	insert remove inv nrof name archname title slaying race
2855	decrease_ob_nr)],	3349	decrease split destroy change_exp value msg lore send_msg)],
2856	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2857	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2858	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2859	) {	3353	) {
2860	no strict 'refs';
2861	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2862	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2863	for @funs;	3356	for @funs;
2864	}	3357	}
2865		3358
…		…
2880		3373
2881	my $qcode = $code;	3374	my $qcode = $code;
2882	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2883	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2884		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2885	local $_;	3381	local $_;
2886	local @safe::cf::_safe_eval_args = values %vars;
2887		3382
2888	my $eval =	3383	my $eval =
2889	"do {\n"	3384	"do {\n"
2890	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2891	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2892	. $code	3387	. $code
2893	. "\n}"	3388	. "\n}"
2894	;	3389	;
2895		3390
		3391	if ($CFG{safe_eval}) {
2896	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2897	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2898	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2899		3400
2900	if ($@) {	3401	if ($@) {
2901	warn "$@";	3402	warn "$@",
2902	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2903	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2904	}	3405	}
2905		3406
2906	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2907	}	3408	}
2908		3409
…		…
2922	=cut	3423	=cut
2923		3424
2924	sub register_script_function {	3425	sub register_script_function {
2925	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2926		3427
2927	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2928	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2929	}	3430	}
2930		3431
2931	=back	3432	=back
2932		3433
2933	=cut	3434	=cut
…		…
2942	# for this (global event?)	3443	# for this (global event?)
2943	%ext::player_env::MUSIC_FACE_CACHE = ();	3444	%ext::player_env::MUSIC_FACE_CACHE = ();
2944		3445
2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2946		3447
2947	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2948		3449
2949	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2950	0 < aio_load $path, $facedata
2951	or die "$path: $!";
2952
2953	$facedata = Coro::Storable::thaw $facedata;
2954		3451
2955	$facedata->{version} == 2	3452	$facedata->{version} == 2
2956	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2957		3454
2958	# patch in the exptable	3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2959	$facedata->{resource}{"res/exp_table"} = {	3457	$facedata->{resource}{"res/exp_table"} = {
2960	type => FT_RSRC,	3458	type => FT_RSRC,
2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
2962	};	3461	};
2963	cf::cede_to_tick;	3462	cf::cede_to_tick;
2964		3463
2965	{	3464	{
2966	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2967		3466
2968	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2970	cf::face::set_visibility $idx, $info->{visibility};	3470	cf::face::set_visibility $idx, $info->{visibility};
2971	cf::face::set_magicmap $idx, $info->{magicmap};	3471	cf::face::set_magicmap $idx, $info->{magicmap};
2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2974		3475
2975	cf::cede_to_tick;	3476	cf::cede_to_tick;
2976	}	3477	}
2977		3478
2978	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2979	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2980	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2981	or next;	3483	or next;
		3484
2982	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
2983	cf::face::set_smooth $idx, $smooth;	3486	cf::face::set_smooth $idx, $smooth;
2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2985	} else {	3488	} else {
2986	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2987	}	3490	}
2988		3491
2989	cf::cede_to_tick;	3492	cf::cede_to_tick;
2990	}	3493	}
2991	}	3494	}
…		…
3000		3503
3001	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
3002	}	3505	}
3003		3506
3004	{	3507	{
3005	# TODO: for gcfclient pleasure, we should give resources
3006	# that gcfclient doesn't grok a >10000 face index.
3007	my $res = $facedata->{resource};	3508	my $res = $facedata->{resource};
3008		3509
3009	my $soundconf = delete $res->{"res/sound.conf"};
3010
3011	while (my ($name, $info) = each %$res) {	3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3013	my $data;
3014		3513
3015	if ($info->{type} & 1) {	3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3016	# prepend meta info	3515	cf::face::set_type $idx, $info->{type};
3017
3018	my $meta = $enc->encode ({
3019	name => $name,
3020	%{ $info->{meta} || {} },
3021	});
3022
3023	$data = pack "(w/a*)*", $meta, $info->{data};
3024	} else {	3516	} else {
3025	$data = $info->{data};	3517	$RESOURCE{$name} = $info; # unused
3026	}	3518	}
3027		3519
3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3029	cf::face::set_type $idx, $info->{type};
3030
3031	cf::cede_to_tick;	3520	cf::cede_to_tick;
3032	}	3521	}
3033
3034	if ($soundconf) {
3035	$soundconf = $enc->decode (delete $soundconf->{data});
3036
3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3038	my $sound = $soundconf->{compat}[$_]
3039	or next;
3040
3041	my $face = cf::face::find "sound/$sound->[1]";
3042	cf::sound::set $sound->[0] => $face;
3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3044	}
3045
3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
3047	my $face = cf::face::find "sound/$v";
3048	cf::sound::set $k => $face;
3049	}
3050	}
3051	}	3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3052		3525
3053	1	3526	1
3054	}	3527	}
3055		3528
3056	register_exticmd fx_want => sub {	3529	register_exticmd fx_want => sub {
…		…
3058		3531
3059	while (my ($k, $v) = each %$want) {	3532	while (my ($k, $v) = each %$want) {
3060	$ns->fx_want ($k, $v);	3533	$ns->fx_want ($k, $v);
3061	}	3534	}
3062	};	3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
3063		3546
3064	sub reload_regions {	3547	sub reload_regions {
3065	# HACK to clear player env face cache, we need some signal framework	3548	# HACK to clear player env face cache, we need some signal framework
3066	# for this (global event?)	3549	# for this (global event?)
3067	%ext::player_env::MUSIC_FACE_CACHE = ();	3550	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3081	}	3564	}
3082		3565
3083	sub reload_archetypes {	3566	sub reload_archetypes {
3084	load_resource_file "$DATADIR/archetypes"	3567	load_resource_file "$DATADIR/archetypes"
3085	or die "unable to load archetypes\n";	3568	or die "unable to load archetypes\n";
3086	#d# NEED to laod twice to resolve forward references
3087	# this really needs to be done in an extra post-pass
3088	# (which needs to be synchronous, so solve it differently)
3089	load_resource_file "$DATADIR/archetypes"
3090	or die "unable to load archetypes\n";
3091	}	3569	}
3092		3570
3093	sub reload_treasures {	3571	sub reload_treasures {
3094	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
3095	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
3096	}	3574	}
3097		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
3098	sub reload_resources {	3596	sub reload_resources {
3099	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
3100		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
3101	reload_regions;	3604	reload_regions;
3102	reload_facedata;
3103	#reload_archetypes;#d#
3104	reload_archetypes;
3105	reload_treasures;	3605	reload_treasures;
3106		3606
3107	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
3108	}
3109
3110	sub init {
3111	reload_resources;
3112	}	3608	}
3113		3609
3114	sub reload_config {	3610	sub reload_config {
3115	open my $fh, "<:utf8", "$CONFDIR/config"	3611	trace "reloading config file...\n";
3116	or return;
3117		3612
3118	local $/;	3613	my $config = load_file "$CONFDIR/config";
3119	*CFG = YAML::Syck::Load <$fh>;	3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
3120		3616
3121	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3122		3618
3123	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3124	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3125		3621
3126	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
3130	};	3626	};
3131	warn $@ if $@;	3627	warn $@ if $@;
3132	}	3628	}
3133	}	3629	}
3134		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
3135	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
3136	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
3137	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3139	(async {	3672	(async {
3140	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
3141	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
3142	};	3676	};
3143		3677
		3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
3144	reload_config;	3690	reload_config;
3145	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
3146	load_extensions;	3701	load_extensions;
3147		3702
3148	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
3149	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
3150	}	3721	}
3151		3722
3152	#############################################################################	3723	#############################################################################
3153	# initialisation and cleanup	3724	# initialisation and cleanup
3154		3725
3155	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
3156	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
3157	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
3158	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3159	reentrant => 0,
3160	data => WF_AUTOCANCEL,
3161	signal => $signal,
3162	prio => 0,
3163	cb => sub {
3164	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
3165	},
3166	);	3732	};
3167	}	3733	}
3168	}	3734	}
3169		3735
3170	sub write_runtime {	3736	sub write_runtime_sync {
3171	my $runtime = "$LOCALDIR/runtime";	3737	my $t0 = AE::time;
3172		3738
3173	# first touch the runtime file to show we are still running:	3739	# first touch the runtime file to show we are still running:
3174	# the fsync below can take a very very long time.	3740	# the fsync below can take a very very long time.
3175		3741
3176	IO::AIO::aio_utime $runtime, undef, undef;	3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3177		3743
3178	my $guard = cf::lock_acquire "write_runtime";	3744	my $guard = cf::lock_acquire "write_runtime";
3179		3745
3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3181	or return;	3747	or return;
3182		3748
3183	my $value = $cf::RUNTIME + 90 + 10;	3749	my $value = $cf::RUNTIME + 90 + 10;
3184	# 10 is the runtime save interval, for a monotonic clock	3750	# 10 is the runtime save interval, for a monotonic clock
3185	# 60 allows for the watchdog to kill the server.	3751	# 60 allows for the watchdog to kill the server.
…		…
3195	aio_utime $fh, undef, undef;	3761	aio_utime $fh, undef, undef;
3196		3762
3197	close $fh	3763	close $fh
3198	or return;	3764	or return;
3199		3765
3200	aio_rename "$runtime~", $runtime	3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3201	and return;	3767	and return;
3202		3768
3203	warn "runtime file written.\n";	3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3204		3770
3205	1	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
3206	}	3822	}
3207		3823
3208	sub emergency_save() {	3824	sub emergency_save() {
3209	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
3210		3826
3211	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
3212		3833
3213	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
3214	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
3215	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
3216	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
3217	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
3218	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
3219	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
3220	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3221	$pl->save;	3845	$pl->save;
3222	}	3846	}
3223	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
3224		3848
3225	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
3226	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
3227	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
3228	$map->valid or next;	3854	$map->valid or next;
3229	$map->save;	3855	$map->save;
3230	}	3856	}
3231	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
3232		3858
3233	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
3234	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
3235	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
3236	};	3887	};
3237		3888
3238	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
3239	}	3890	}
3240		3891
3241	sub post_cleanup {	3892	sub post_cleanup {
3242	my ($make_core) = @_;	3893	my ($make_core) = @_;
3243		3894
		3895	IO::AIO::flush;
		3896
3244	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
3245	if $make_core;	3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
3246	}	3927	}
3247		3928
3248	sub do_reload_perl() {	3929	sub do_reload_perl() {
3249	# can/must only be called in main	3930	# can/must only be called in main
3250	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
3251	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
3252	return;	3933	return;
3253	}	3934	}
3254		3935
3255	warn "reloading...";	3936	return if $RELOAD++;
3256		3937
3257	warn "entering sync_job";	3938	my $t1 = AE::time;
3258		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
3259	cf::sync_job {	3946	cf::sync_job {
3260	cf::write_runtime; # external watchdog should not bark
3261	cf::emergency_save;	3947	#cf::emergency_save;
3262	cf::write_runtime; # external watchdog should not bark
3263		3948
3264	warn "syncing database to disk";
3265	BDB::db_env_txn_checkpoint $DB_ENV;
3266
3267	# if anything goes wrong in here, we should simply crash as we already saved
3268
3269	warn "cancelling all WF_AUTOCANCEL watchers";
3270	for (Event::all_watchers) {
3271	$_->cancel if $_->data & WF_AUTOCANCEL;
3272	}
3273
3274	warn "flushing outstanding aio requests";
3275	for (;;) {
3276	BDB::flush;
3277	IO::AIO::flush;
3278	Coro::cede;
3279	last unless IO::AIO::nreqs || BDB::nreqs;
3280	warn "iterate...";
3281	}
3282
3283	++$RELOAD;
3284
3285	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
3286	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
3287	%EXT_CORO = ();	3951	%EXT_CORO = ();
3288		3952
3289	warn "removing commands";	3953	trace "perl_reload: removing commands";
3290	%COMMAND = ();	3954	%COMMAND = ();
3291		3955
3292	warn "removing ext/exti commands";	3956	trace "perl_reload: removing ext/exti commands";
3293	%EXTCMD = ();	3957	%EXTCMD = ();
3294	%EXTICMD = ();	3958	%EXTICMD = ();
3295		3959
3296	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
3297	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
3298	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
3299		3963
3300	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
3301	eval {	3965	eval {
3302	$cb->($pkg);	3966	$cb->($pkg);
3303	1	3967	1
3304	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
3305	}	3973	}
3306		3974
3307	warn "... nuking $pkg";
3308	Symbol::delete_package $pkg;
3309	}
3310
3311	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3312	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3314		3978
3315	warn "... unloading $k";	3979	trace "... unloading $k";
3316	delete $INC{$k};	3980	delete $INC{$k};
3317		3981
3318	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
3319	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
3320		3984
3321	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
3322	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
3323	}	3990	}
3324		3991
3325	Symbol::delete_package $k;
3326	}
3327
3328	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
3329	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3331		3995
3332	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
3333	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
3334	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3335		3999
3336	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
3337	# and global variables created in xs	4001	# and global variables created in xs
3338	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
3339		4003
3340	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
3341		4005
3342	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
3343	require cf;	4007	require cf;
3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
3345		4009
3346	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
3347	cf::reload_config;	4011	cf::reload_config;
3348		4012
3349	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
3350	cf::load_extensions;	4014	cf::load_extensions;
3351		4015
		4016	if ($REATTACH_ON_RELOAD) {
3352	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
3353	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
3354	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
3355	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
3356	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
3357	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
3358		4024
3359	warn "leaving sync_job";	4025	cf::_post_init 1;
3360		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
3361	1	4029	1
3362	} or do {	4030	} or do {
3363	warn $@;	4031	error $@;
3364	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
3365	exit 1;	4033	};
		4034
		4035	--$RELOAD;
3366	};	4036	}
3367		4037
3368	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
3369	};	4040	};
3370		4041
3371	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
3372		4043
3373	sub reload_perl() {	4044	sub reload_perl() {
3374	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
3375	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
3376		4047
3377	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
3378	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
3379	after => 0,	4050
3380	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3381	cb => sub {
3382	do_reload_perl;	4052	do_reload_perl;
3383	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
3384	},	4054	};
3385	);	4055	};
3386	}	4056	}
3387		4057
3388	register_command "reload" => sub {	4058	register_command "reload" => sub {
3389	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
3390		4060
3391	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
3392	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
3393	async { reload_perl };	4065	reload_perl;
		4066	};
3394	}	4067	}
3395	};	4068	};
3396		4069
3397	unshift @INC, $LIBDIR;	4070	#############################################################################
3398		4071
3399	my $bug_warning = 0;	4072	my $bug_warning = 0;
3400		4073
3401	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
3402	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
3403		4076
3404	sub wait_for_tick {	4077	sub wait_for_tick() {
3405	return unless $TICK_WATCHER->is_active;
3406	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3407		4079
3408	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
3409	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
3410	$signal->wait;	4082	$signal->wait;
3411	}	4083	}
3412		4084
3413	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
3414	return unless $TICK_WATCHER->is_active;
3415	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3416		4087
3417	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
3418	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
3419	$signal->wait;	4090	$signal->wait;
3420	}	4091	}
3421		4092
3422	my $min = 1e6;#d#	4093	sub tick {
3423	my $avg = 10;
3424	$TICK_WATCHER = Event->timer (
3425	reentrant => 0,
3426	parked => 1,
3427	prio => 0,
3428	at => $NEXT_TICK || $TICK,
3429	data => WF_AUTOCANCEL,
3430	cb => sub {
3431	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3433	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
3434	return;	4097	return;
3435	}	4098	}
3436		4099
3437	$NOW = $tick_start = Event::time;
3438
3439	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
3440		4101
3441	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3442	for(1..10) {
3443	my $t = Event::time;
3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3445	or die;
3446		4103
3447	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3448	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3449	$map->alloc;	4106	Coro::async_pool {
3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	4107	$Coro::current->{desc} = "runtime saver";
3451	my $t = Event::time - $t;	4108	write_runtime_sync
3452		4109	or error "ERROR: unable to write runtime file: $!";
3453	#next unless $t < 0.0013;#d#
3454	if ($t < $min) {
3455	$min = $t;
3456	}
3457	$avg = $avg * 0.99 + $t * 0.01;
3458	}
3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3460	exit 0;
3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3462	};	4110	};
		4111	}
3463		4112
3464	$RUNTIME += $TICK;
3465	$NEXT_TICK += $TICK;
3466
3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
3469	Coro::async_pool {
3470	write_runtime
3471	or warn "ERROR: unable to write runtime file: $!";
3472	};
3473	}
3474
3475	# my $AFTER = Event::time;
3476	# warn $AFTER - $NOW;#d#
3477
3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3479	$sig->send;	4114	$sig->send;
3480	}	4115	}
3481	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
3482	$sig->send;	4117	$sig->send;
3483	}	4118	}
3484		4119
3485	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3486
3487	# if we are delayed by four ticks or more, skip them all
3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3489
3490	$TICK_WATCHER->at ($NEXT_TICK);
3491	$TICK_WATCHER->start;
3492
3493	$LOAD = ($NOW - $tick_start) / $TICK;
3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3495		4122
3496	_post_tick;	4123	if (0) {
3497		4124	if ($NEXT_TICK) {
3498		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3499	},	4129	}
3500	);	4130	}
3501		4131
3502	{	4132	{
3503	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3504	$BDB_POLL_WATCHER = Event->io (	4134
3505	reentrant => 0,
3506	fd => BDB::poll_fileno,
3507	poll => 'r',
3508	prio => 0,
3509	data => WF_AUTOCANCEL,
3510	cb => \&BDB::poll_cb,
3511	);
3512	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3513		4136	BDB::max_poll_reqs $TICK * 0.1;
3514	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
3515	my $status;
3516	my $current = $Coro::current;
3517	(
3518	sub {
3519	$status = $!;
3520	$current->ready; undef $current;
3521	},
3522	sub {
3523	Coro::schedule while defined $current;
3524	$! = $status;
3525	},
3526	)
3527	};
3528		4138
3529	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3530	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3531		4146
3532	cf::sync_job {	4147	cf::sync_job {
3533	eval {	4148	eval {
3534	BDB::db_env_open	4149	BDB::db_env_open
3535	$DB_ENV,	4150	$DB_ENV,
…		…
3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3539	0666;	4154	0666;
3540		4155
3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3542
3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3544	$DB_ENV->set_lk_detect;
3545	};	4157	};
3546		4158
3547	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3548	};	4160	};
3549	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3550	}	4172	}
3551		4173
3552	{	4174	{
		4175	# configure IO::AIO
		4176
3553	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3554
3555	undef $Coro::AIO::WATCHER;
3556	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3557	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3558	reentrant => 0,
3559	data => WF_AUTOCANCEL,
3560	fd => IO::AIO::poll_fileno,
3561	poll => 'r',
3562	prio => 6,
3563	cb => \&IO::AIO::poll_cb,
3564	);
3565	}	4180	}
3566		4181
3567	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3568		4184
3569	sub _log_backtrace {	4185	sub _log_backtrace {
3570	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3571		4187
3572	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3573		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3574	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3575	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3576	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3577	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3578	my @bt = fork_call {	4201	my @bt = fork_call {
3579	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3582	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3590	}	4213	}
3591		4214
3592	@funcs	4215	@funcs
3593	};	4216	};
3594		4217
3595	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3596	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3597	--$_log_backtrace;	4221	--$_log_backtrace;
3598	};	4222	};
3599	} else {	4223	} else {
3600	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3601	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3602	}	4226	}
3603	}	4227	}
3604		4228
3605	# load additional modules	4229	# load additional modules
3606	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3607		4232
3608	END { cf::emergency_save }	4233	END { cf::emergency_save }
3609		4234
3610	1	4235	1
3611		4236

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