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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28		44
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
31		47
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		49
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our %PLAYER; # all users
54	our %MAP; # all maps	93	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	95
57	our %EXT_CORO; # coroutines bound to extensions	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
58		102
59	binmode STDOUT;	103	binmode STDOUT;
60	binmode STDERR;	104	binmode STDERR;
61		105
62	# read virtual server time, if available	106	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
67	}	111	}
68		112
69	mkdir cf::localdir;	113	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		115
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	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
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	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
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, $msg;	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	247	$d
180	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
181	}	249	}
182		250
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
186		252
187	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
188		254
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
197		256
198	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
199		258
200	=cut	259	=cut
201		260
202	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
204	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
206		265
207	=item cf::lock_wait $string	266	=item cf::lock_wait $string
208		267
209	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
210		269
…		…
213	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
216	returned.	275	returned.
217		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
218	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
220		286
221	=cut	287	=cut
222		288
223	our %LOCK;	289	our %LOCK;
224		290
…		…
244	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
246	}	312	}
247	}	313	}
248		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
249	sub freeze_mainloop {	321	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
251		323
252	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
253	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
254	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
255	}	385	}
256		386
257	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
258		388
259	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		394
265	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
266		396
267	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
268		398
269	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
272		403
273	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
276	fast or be very important.	407	fast or be very important.
…		…
279		410
280	sub sync_job(&) {	411	sub sync_job(&) {
281	my ($job) = @_;	412	my ($job) = @_;
282		413
283	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
284	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
286		419
287	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
299		432
300	while ($busy) {	433	while ($busy) {
301	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
302	}	435	}
303		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
304	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
305	} else {	445	} else {
306	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
307		447
308	$job->()	448	$job->()
309	}	449	}
310	}	450	}
311		451
312	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
313		453
314	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	455	extension calling this is being unloaded.
316		456
317	=cut	457	=cut
318		458
319	sub async_ext(&) {	459	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
328		468
329	$coro	469	$coro
330	}	470	}
331		471
332	sub write_runtime {	472	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		473
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
336	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
337		478
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		480
342	aio_fsync $fh	481	sub fork_call(&@) {
343	and return;	482	my ($cb, @args) = @_;
344		483
345	close $fh	484	# we seemingly have to make a local copy of the whole thing,
346	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
347		487
348	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
349	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
350		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
351	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	621	}
353		622
354	=back	623	=back
355		624
356	=cut	625	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		626
480	#############################################################################	627	#############################################################################
481		628
482	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
483		630
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
487		634
488	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	637	Crossfire TRT).
491		638
492	=over 4	639	=over 4
493		640
494	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
495		642
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	757	our @CB_MAP = ();
611		758
612	my %attachment;	759	my %attachment;
613		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
614	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
616		769
617	use sort 'stable';	770	use sort 'stable';
618		771
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
653		806
654	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		811
659	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	813	my $pkg = shift @arg;
661		814
662	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
692	}	845	}
693		846
694	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
695	} else {	848	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	850	}
698		851
699	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
700	}	853	}
701		854
…		…
703	if (ref $_[0]) {	856	if (ref $_[0]) {
704	_object_attach @_;	857	_object_attach @_;
705	} else {	858	} else {
706	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
707	}	860	}
		861	_recalc_want;
708	};	862	};
709		863
710	# all those should be optimised	864	# all those should be optimised
711	sub cf::attachable::detach {	865	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
716	reattach ($obj);	870	reattach ($obj);
717	} else {	871	} else {
718	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
719	}	873	}
		874	_recalc_want;
720	};	875	};
721		876
722	sub cf::attachable::attached {	877	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
724		879
…		…
739	";	894	";
740	die if $@;	895	die if $@;
741	}	896	}
742		897
743	our $override;	898	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		900
746	sub override {	901	sub override {
747	$override = 1;	902	$override = 1;
748	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
749	}	904	}
750		905
751	sub do_invoke {	906	sub do_invoke {
752	my $event = shift;	907	my $event = shift;
753	my $callbacks = shift;	908	my $callbacks = shift;
754		909
755	@invoke_results = ();	910	@INVOKE_RESULTS = ();
756		911
757	local $override;	912	local $override;
758		913
759	for (@$callbacks) {	914	for (@$callbacks) {
760	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
777		932
778	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
779		934
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		938
784	=back	939	=back
785		940
786	=cut	941	=cut
787		942
788	#############################################################################	943	#############################################################################
789	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
790		956
791	sub reattach {	957	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		962
795	my $registry = $obj->registry;	963	my $registry = $obj->registry;
796		964
797	@$registry = ();	965	@$registry = ();
798		966
…		…
845	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
846		1014
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1019	close $fh;
852		1020
853	if (@$objs) {	1021	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1027	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
861	}	1029	}
862	} else {	1030	} else {
863	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
895	or return;	1063	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1065	}
898		1066
899	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1069	return ($data, $av);
902	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
903		1077
904	#############################################################################	1078	#############################################################################
905	# command handling &c	1079	# command handling &c
906		1080
907	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1095	}
922		1096
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1098
925	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
926		1104
927	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
928	called.	1106	called.
929		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
930	=cut	1119	=cut
931		1120
932	sub register_extcmd {	1121	sub register_extcmd {
933	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
934		1123
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
939	}	1131	}
940		1132
941	cf::player->attach (	1133	cf::player->attach (
942	on_command => sub {	1134	on_command => sub {
943	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1144	cf::override;
953	},	1145	},
954	on_extcmd => sub {	1146	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
956		1148
957	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1150
959	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
965	} else {	1166	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1168	}
968		1169
969	cf::override;	1170	cf::override;
970	},	1171	},
971	);	1172	);
972		1173
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1050	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1179	next unless -r $path;
1052	eval {	1180
1053	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
1054	1	1238	}
1055	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1056	}	1244	};
1057	}	1245	}
1058		1246
1059	#############################################################################	1247	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1248
1062	*cf::mapsupport::on_clean = sub {	1249	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1250
1097	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1098		1252
1099	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1100		1254
…		…
1113	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1114		1268
1115	=cut	1269	=cut
1116		1270
1117	sub playerdir($) {	1271	sub playerdir($) {
1118	cf::localdir	1272	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1274	}
1124		1275
1125	sub path($) {	1276	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1278
1128	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1129	}	1280	}
1130		1281
1131	sub find_active($) {	1282	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1136		1287
1137	sub exists($) {	1288	sub exists($) {
1138	my ($login) = @_;	1289	my ($login) = @_;
1139		1290
1140	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1142	}	1293	}
1143		1294
1144	sub find($) {	1295	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1297	my $login = $_[0];
1147		1298
1148	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1149		1300
1150	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
1151	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1152	or return;	1310	or return;
1153	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1154	}	1312	}
1155	}	1313	}
…		…
1167		1325
1168	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1170		1328
1171	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1172	Coro::cede;	1330	cf::cede_to_tick;
1173	}	1331	}
1174		1332
1175	sub new($) {	1333	sub new($) {
1176	my ($login) = @_;	1334	my ($login) = @_;
1177		1335
…		…
1183	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1184		1342
1185	$self	1343	$self
1186	}	1344	}
1187		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1188	=item $pl->quit_character	1356	=item $pl->quit_character
1189		1357
1190	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1192		1360
1193	=cut	1361	=cut
1194		1362
1195	sub quit_character {	1363	sub quit_character {
1196	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1197		1367
1198	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1370
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1211	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1212	}	1402	}
1213		1403
1214	=item cf::player::list_logins	1404	=item cf::player::list_logins
1215		1405
1216	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1218		1408
1219	=cut	1409	=cut
1220		1410
1221	sub list_logins {	1411	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1413	or return [];
1224		1414
1225	my @logins;	1415	my @logins;
1226		1416
1227	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1231		1426
1232	utf8::decode $login;	1427	utf8::decode $login;
1233	push @logins, $login;	1428	push @logins, $login;
1234	}	1429	}
1235		1430
1236	\@logins	1431	\@logins
1237	}	1432	}
1238		1433
1239	=item $player->maps	1434	=item $player->maps
1240		1435
1241	Returns an arrayref of cf::path's of all maps that are private for this	1436	Returns an arrayref of map paths that are private for this
1242	player. May block.	1437	player. May block.
1243		1438
1244	=cut	1439	=cut
1245		1440
1246	sub maps($) {	1441	sub maps($) {
1247	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1445
1249	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1250	or return;	1447	or return;
1251		1448
1252	my @paths;	1449	my @paths;
1253		1450
1254	for (@$files) {	1451	for (@$files) {
1255	utf8::decode $_;	1452	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1454	next unless /^$PATH_SEP/o;
1258		1455
1259	s/$PATH_SEP/\//g;	1456	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1457	}
1262		1458
1263	\@paths	1459	\@paths
1264	}	1460	}
1265		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1267		1514
1268	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1269		1516
1270	=cut	1517	=cut
1271		1518
1272	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1274		1521
1275	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1523	}
1279		1524
1280	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1281		1565
1282	=back	1566	=back
1283
1284		1567
1285	=head3 cf::map	1568	=head3 cf::map
1286		1569
1287	=over 4	1570	=over 4
1288		1571
…		…
1291	package cf::map;	1574	package cf::map;
1292		1575
1293	use Fcntl;	1576	use Fcntl;
1294	use Coro::AIO;	1577	use Coro::AIO;
1295		1578
		1579	use overload
		1580	'""' => \&as_string,
		1581	fallback => 1;
		1582
1296	our $MAX_RESET = 3600;	1583	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1584	our $DEFAULT_RESET = 3000;
1298		1585
1299	sub generate_random_map {	1586	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1587	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1588	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1589	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1593	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1594	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1595	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1596	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1597	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1598	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1600	(cf::region::find $rmp->{region}), $rmp->{custom}
		1601	)
		1602	}
		1603
		1604	=item cf::map->register ($regex, $prio)
		1605
		1606	Register a handler for the map path matching the given regex at the
		1607	givne priority (higher is better, built-in handlers have priority 0, the
		1608	default).
		1609
		1610	=cut
		1611
		1612	sub register {
		1613	my (undef, $regex, $prio) = @_;
		1614	my $pkg = caller;
		1615
		1616	no strict;
		1617	push @{"$pkg\::ISA"}, __PACKAGE__;
		1618
		1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1620	}
		1621
		1622	# also paths starting with '/'
		1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1624
		1625	sub thawer_merge {
		1626	my ($self, $merge) = @_;
		1627
		1628	# we have to keep some variables in memory intact
		1629	local $self->{path};
		1630	local $self->{load_path};
		1631
		1632	$self->SUPER::thawer_merge ($merge);
		1633	}
		1634
		1635	sub normalise {
		1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
		1641
		1642	# map plan:
		1643	#
		1644	# /! non-realised random map exit (special hack!)
		1645	# {... are special paths that are not being touched
		1646	# ?xxx/... are special absolute paths
		1647	# ?random/... random maps
		1648	# /... normal maps
		1649	# ~user/... per-player map of a specific user
		1650
		1651	$path =~ s/$PATH_SEP/\//go;
		1652
		1653	# treat it as relative path if it starts with
		1654	# something that looks reasonable
		1655	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1656	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1657
		1658	$base =~ s{[^/]+/?$}{};
		1659	$path = "$base/$path";
		1660	}
		1661
		1662	for ($path) {
		1663	redo if s{//}{/};
		1664	redo if s{/\.?/}{/};
		1665	redo if s{/[^/]+/\.\./}{/};
		1666	}
		1667
		1668	$path
		1669	}
		1670
		1671	sub new_from_path {
		1672	my (undef, $path, $base) = @_;
		1673
		1674	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1675
		1676	$path = normalise $path, $base;
		1677
		1678	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1679	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1680	my $self = bless cf::map::new, $pkg;
		1681	$self->{path} = $path; $self->path ($path);
		1682	$self->init; # pass $1 etc.
		1683	return $self;
		1684	}
		1685	}
		1686
		1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1688	()
		1689	}
		1690
		1691	sub init {
		1692	my ($self) = @_;
		1693
		1694	$self
		1695	}
		1696
		1697	sub as_string {
		1698	my ($self) = @_;
		1699
		1700	"$self->{path}"
		1701	}
		1702
		1703	# the displayed name, this is a one way mapping
		1704	sub visible_name {
		1705	&as_string
		1706	}
		1707
		1708	# the original (read-only) location
		1709	sub load_path {
		1710	my ($self) = @_;
		1711
		1712	"$MAPDIR/$self->{path}.map"
		1713	}
		1714
		1715	# the temporary/swap location
		1716	sub save_path {
		1717	my ($self) = @_;
		1718
		1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1720	"$TMPDIR/$path.map"
		1721	}
		1722
		1723	# the unique path, undef == no special unique path
		1724	sub uniq_path {
		1725	my ($self) = @_;
		1726
		1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1728	"$UNIQUEDIR/$path"
1316	}	1729	}
1317		1730
1318	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1319	# all maps in C++...	1732	# all maps in C++...
1320	sub change_all_map_light {	1733	sub change_all_map_light {
…		…
1322		1735
1323	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1325	}	1738	}
1326		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
		1748	sub unlink_save {
		1749	my ($self) = @_;
		1750
		1751	utf8::encode (my $save = $self->save_path);
		1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1753	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1754	}
		1755
1327	sub try_load_header($) {	1756	sub load_header_from($) {
1328	my ($path) = @_;	1757	my ($self, $path) = @_;
1329		1758
1330	utf8::encode $path;	1759	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
		1761	# or return;
		1762
		1763	$self->_load_header ($path)
1332	or return;	1764	or return;
1333		1765
1334	my $map = cf::map::new	1766	$self->{load_path} = $path;
		1767
		1768	1
		1769	}
		1770
		1771	sub load_header_orig {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->load_path)
		1775	}
		1776
		1777	sub load_header_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
		1800	}
		1801
		1802	sub load_header {
		1803	my ($self) = @_;
		1804
		1805	if ($self->load_header_temp) {
		1806	$self->prepare_temp;
		1807	} else {
		1808	$self->load_header_orig
1335	or return;	1809	or return;
		1810	$self->prepare_orig;
		1811	}
1336		1812
1337	# for better error messages only, will be overwritten	1813	$self->{deny_reset} = 1
1338	$map->path ($path);	1814	if $self->no_reset;
1339		1815
1340	$map->load_header ($path)	1816	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1817	unless $self->default_region;
1342		1818
1343	$map->{load_path} = $path;	1819	1
1344
1345	$map
1346	}	1820	}
1347		1821
1348	sub find;	1822	sub find;
1349	sub find {	1823	sub find {
1350	my ($path, $origin) = @_;	1824	my ($path, $origin) = @_;
1351		1825
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1826	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1827
1357	cf::lock_wait "map_find:$key";	1828	cf::lock_wait "map_find:$path";
1358		1829
1359	$cf::MAP{$key} || do {	1830	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1831	my $guard = cf::lock_acquire "map_find:$path";
1361		1832	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1833	or return;
1381		1834
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1394		1836
1395	Coro::cede;	1837	$map->load_header
		1838	or return;
1396		1839
1397	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1841	# doing this can freeze the server in a sync job, obviously
		1842	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1843	$map->reset;
1399	undef $guard;	1844	undef $guard;
1400	$map = find $path	1845	return find $path;
1401	or return;
1402	}	1846	}
1403		1847
1404	$cf::MAP{$key} = $map	1848	$cf::MAP{$path} = $map
1405	}	1849	}
1406	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1407		1854
1408	sub load {	1855	sub load {
1409	my ($self) = @_;	1856	my ($self) = @_;
1410		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1411	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1413		1865
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1867
1416	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1417		1869
1418	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1419	$self->load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1876	or return;
1421		1877
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1879	if delete $self->{load_original};
1424		1880
1425	if (my $uniq = $path->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1882	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1884	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1430	}	1886	}
1431	}	1887	}
1432		1888
1433	Coro::cede;	1889	cf::cede_to_tick;
1434
1435	# now do the right thing for maps	1890	# now do the right thing for maps
1436	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1893	unless $self->difficulty;
		1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1448	$self->activate;	1903	$self->activate;
1449	}	1904	}
1450		1905
1451	Coro::cede;	1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
1452		1908
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
		1913	}
		1914
		1915	sub customise_for {
		1916	my ($self, $ob) = @_;
		1917
		1918	return find "~" . $ob->name . "/" . $self->{path}
		1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
		1924	$self
		1925	}
		1926
		1927	# find and load all maps in the 3x3 area around a map
		1928	sub load_neighbours {
		1929	my ($map) = @_;
		1930
		1931	my @neigh; # diagonal neighbours
		1932
		1933	for (0 .. 3) {
		1934	my $neigh = $map->tile_path ($_)
		1935	or next;
		1936	$neigh = find $neigh, $map
		1937	or next;
		1938	$neigh->load;
		1939
		1940	push @neigh,
		1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1943	}
		1944
		1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
		1947	my $neigh = find $path, $origin
		1948	or next;
		1949	$neigh->load;
		1950	}
1454	}	1951	}
1455		1952
1456	sub find_sync {	1953	sub find_sync {
1457	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1458		1955
1459	cf::sync_job { cf::map::find $path, $origin }	1956	cf::sync_job { find $path, $origin }
1460	}	1957	}
1461		1958
1462	sub do_load_sync {	1959	sub do_load_sync {
1463	my ($map) = @_;	1960	my ($map) = @_;
1464		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1465	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
		1966	}
		1967
		1968	our %MAP_PREFETCH;
		1969	our $MAP_PREFETCHER = undef;
		1970
		1971	sub find_async {
		1972	my ($path, $origin, $load) = @_;
		1973
		1974	$path = normalise $path, $origin && $origin->{path};
		1975
		1976	if (my $map = $cf::MAP{$path}) {
		1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1978	}
		1979
		1980	$MAP_PREFETCH{$path} |= $load;
		1981
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	while (my ($k, $v) = each %MAP_PREFETCH) {
		1985	if (my $map = find $k) {
		1986	$map->load if $v;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$k};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
		1993	};
		1994	$MAP_PREFETCHER->prio (6);
		1995
		1996	()
1466	}	1997	}
1467		1998
1468	sub save {	1999	sub save {
1469	my ($self) = @_;	2000	my ($self) = @_;
1470		2001
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2003
1473	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1474		2005
1475	return unless $self->dirty;	2006	return unless $self->dirty;
1476		2007
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2008	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2010
1480	$self->{load_path} = $save;	2011	$self->{load_path} = $save;
1481		2012
1482	return if $self->{deny_save};	2013	return if $self->{deny_save};
1483		2014
…		…
1486	cf::async {	2017	cf::async {
1487	$_->contr->save for $self->players;	2018	$_->contr->save for $self->players;
1488	};	2019	};
1489		2020
1490	if ($uniq) {	2021	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2024	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2026	}
1496	}	2027	}
1497		2028
1498	sub swap_out {	2029	sub swap_out {
1499	my ($self) = @_;	2030	my ($self) = @_;
1500		2031
1501	# save first because save cedes	2032	# save first because save cedes
1502	$self->save;	2033	$self->save;
1503		2034
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2036
1506	return if $self->players;	2037	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};	2039	return if $self->{deny_save};
1509		2040
…		…
1513		2044
1514	sub reset_at {	2045	sub reset_at {
1515	my ($self) = @_;	2046	my ($self) = @_;
1516		2047
1517	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1520		2050
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2053
…		…
1528	my ($self) = @_;	2058	my ($self) = @_;
1529		2059
1530	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1531	}	2061	}
1532		2062
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2063	sub reset {
1555	my ($self) = @_;	2064	my ($self) = @_;
1556		2065
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2067
1559	return if $self->players;	2068	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2069
1562	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1563		2081
1564	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
		2083
		2084	$self->clear;
1565		2085
1566	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1567		2087
1568	$self->unlink_save;	2088	$self->unlink_save;
1569	$self->destroy;	2089	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1573		2093
1574	sub nuke {	2094	sub nuke {
1575	my ($self) = @_;	2095	my ($self) = @_;
1576		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
		2100	delete $cf::MAP{$self->path};
		2101
		2102	$self->unlink_save;
		2103
		2104	bless $self, "cf::map";
		2105	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2109
		2110	$cf::MAP{$self->path} = $self;
		2111	}
		2112
1580	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
1581	}	2114	}
1582		2115
1583	sub customise_for {	2116	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2117
1586	if ($map->per_player) {	2118	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
1588	}	2124	[
1589		2125	map {
1590	$map	2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
1591	}	2132	}
1592		2133
1593	sub emergency_save {	2134	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2135
1596	warn "enter emergency perl save\n";	2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
1597		2138
1598	cf::sync_job {	2139	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2140
1603	warn "begin emergency map save\n";	2141	sub random_maps() {
1604	$_->save for values %cf::MAP;	2142	[
1605	warn "end emergency map save\n";	2143	map {
1606	};	2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
		2150	}
1607		2151
1608	warn "leave emergency perl save\n";	2152	=item cf::map::unique_maps
		2153
		2154	Returns an arrayref of paths of all shared maps that have
		2155	instantiated unique items. May block.
		2156
		2157	=cut
		2158
		2159	sub unique_maps() {
		2160	[
		2161	map {
		2162	utf8::decode $_;
		2163	/\.map$/
		2164	? normalise $_
		2165	: ()
		2166	} @{ aio_readdir $UNIQUEDIR or [] }
		2167	]
1609	}	2168	}
1610		2169
1611	package cf;	2170	package cf;
1612		2171
1613	=back	2172	=back
1614		2173
		2174	=head3 cf::object
		2175
		2176	=cut
		2177
		2178	package cf::object;
		2179
		2180	=over 4
		2181
		2182	=item $ob->inv_recursive
		2183
		2184	Returns the inventory of the object _and_ their inventories, recursively.
		2185
		2186	=cut
		2187
		2188	sub inv_recursive_;
		2189	sub inv_recursive_ {
		2190	map { $_, inv_recursive_ $_->inv } @_
		2191	}
		2192
		2193	sub inv_recursive {
		2194	inv_recursive_ inv $_[0]
		2195	}
		2196
		2197	package cf;
		2198
		2199	=back
1615		2200
1616	=head3 cf::object::player	2201	=head3 cf::object::player
1617		2202
1618	=over 4	2203	=over 4
1619		2204
…		…
1633		2218
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2220
1636	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1638	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1641	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1642	}	2246	}
1643		2247
1644	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1645		2249
1646	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1659		2263
1660	=item $player_object->enter_link	2264	=item $player_object->enter_link
1661		2265
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2266	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2267
1664	The player should be reaosnably safe there for short amounts of time. You	2268	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2269	I<MUST> call C<leave_link> as soon as possible, though.
1666		2270
		2271	Will never block.
		2272
1667	=item $player_object->leave_link ($map, $x, $y)	2273	=item $player_object->leave_link ($map, $x, $y)
1668		2274
1669	Moves the player out of the specila link map onto the given map. If the	2275	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2276	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2277	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2278	fails, to the emergency map position.
1673		2279
1674	Might block.	2280	Might block.
1675		2281
1676	=cut	2282	=cut
		2283
		2284	sub link_map {
		2285	unless ($LINK_MAP) {
		2286	$LINK_MAP = cf::map::find "{link}"
		2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2288	$LINK_MAP->load;
		2289	}
		2290
		2291	$LINK_MAP
		2292	}
1677		2293
1678	sub cf::object::player::enter_link {	2294	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2295	my ($self) = @_;
1680		2296
1681	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1682		2298
1683	return if $self->map == $LINK_MAP;	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2300
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1687		2303
1688	$self->enter_map ($LINK_MAP, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2305	}
1690		2306
1691	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1693		2311
1694	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1695		2313
1696	unless ($map) {	2314	unless ($map) {
1697	# restore original map position	2315	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1714		2332
1715	$map->load;	2333	$map->load;
		2334	$map->load_neighbours;
1716		2335
1717	return unless $self->contr->active;	2336	return unless $self->contr->active;
1718	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1720	}	2341	}
1721		2342
1722	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2344
1726	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1730	};	2349	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2350
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1757		2354
1758	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2357
1761	$path = new cf::path $path;	2358	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2360
1764	$self->enter_link;	2361	$self->enter_link;
1765		2362
1766	(async {	2363	(async {
		2364	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1769		2369	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1774		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1776	})->prio (1);	2388	})->prio (1);
1777	}	2389	}
1778		2390
1779	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1780		2392
…		…
1782		2394
1783	sub parse_random_map_params {	2395	sub parse_random_map_params {
1784	my ($spec) = @_;	2396	my ($spec) = @_;
1785		2397
1786	my $rmp = { # defaults	2398	my $rmp = { # defaults
1787	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1789	};	2403	};
1790		2404
1791	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1793		2407
…		…
1797	$rmp	2411	$rmp
1798	}	2412	}
1799		2413
1800	sub prepare_random_map {	2414	sub prepare_random_map {
1801	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2418
1803	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2421	# that depends on the exit object
1806		2422
1807	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1808		2424
1809	if ($exit->map) {	2425	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1814	}	2430	}
1815		2431
1816	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1817		2433
1818	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1820		2437
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
		2440	undef $fh;
		2441	aio_rename "$meta~", $meta;
1823		2442
1824	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2444	$exit->msg (undef);
1826	}	2445	}
1827	}	2446	}
…		…
1829	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1831		2450
1832	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1833		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1834	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1835		2469
1836	(async {	2470	(async {
1837	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2472	unless (eval {
1839	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2474
1845	1;	2475	1;
1846	}) {	2476	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2479	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2481
1852	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2483	$self->leave_link;
1854	}	2484	}
1855	})->prio (1);	2485	})->prio (1);
…		…
1868		2498
1869	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1871		2501
1872	utf8::encode $text;	2502	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2504	}
1875		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1876		2621
1877	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1878		2623
1879	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2627
1883	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2629	become reliable at some point in the future.
1885		2630
1886	=cut	2631	=cut
1887		2632
1888	sub cf::client::query {	2633	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2642	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2644
1900	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1902	}	2649	}
1903		2650
1904	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1905	on_reply => sub {	2657	on_reply => sub {
1906	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1907		2659
1908	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1909	# get handled first	2661	# get handled first
1910	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2664
1913	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2667
1915	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1916		2669
1917	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2671	if (@$queue) {
…		…
1920	} else {	2673	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2675	}
1923	}	2676	}
1924	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1925	);	2704	);
1926		2705
1927	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1928		2707
1929	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
1972		2751
1973	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
1974		2753
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
1976		2759
1977	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
1978		2761
1979	=pod	2762	=pod
1980		2763
1981	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
1982		2765
1983	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
1984	cf::object::player player	2770	cf::object::player
1985	cf::player peaceful	2771	player
1986	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
1987		2778
1988	=cut	2779	=cut
1989		2780
1990	for (	2781	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
1992	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
1995	) {	2788	) {
1996	no strict 'refs';	2789	no strict 'refs';
…		…
2067	=back	2860	=back
2068		2861
2069	=cut	2862	=cut
2070		2863
2071	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2072		2866
2073	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2074		2869
2075	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2077	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		2873
2079	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		2875
2082	=over 4	2876	warn "loading facedata from $path\n";
2083		2877
2084	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2085		2881
2086	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		2883
2090	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		2886
2092	Returns a single value from the database	2887	# patch in the exptable
2093		2888	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2095		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2891	};
		2892	cf::cede_to_tick;
2145		2893
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2150		2896
2151	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2154	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2155	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2156		2903
2157	sub db_put($$;$) {	2904	cf::cede_to_tick;
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2905	}
2171	);
2172	}
2173		2906
2174	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2176		2917
2177	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3045	or return;
2180		3046
2181	local $/;	3047	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2183		3049
…		…
2197		3063
2198	sub main {	3064	sub main {
2199	# we must not ever block the main coroutine	3065	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3066	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3068	(async {
2202	async { Event::one_event };	3069	Event::one_event;
		3070	})->prio (Coro::PRIO_MAX);
2203	};	3071	};
2204		3072
2205	cfg_load;	3073	reload_config;
2206	db_load;	3074	db_init;
2207	load_extensions;	3075	load_extensions;
		3076
		3077	$TICK_WATCHER->start;
2208	Event::loop;	3078	Event::loop;
2209	}	3079	}
2210		3080
2211	#############################################################################	3081	#############################################################################
2212	# initialisation	3082	# initialisation and cleanup
2213		3083
		3084	# install some emergency cleanup handlers
		3085	BEGIN {
		3086	for my $signal (qw(INT HUP TERM)) {
		3087	Event->signal (
		3088	reentrant => 0,
		3089	data => WF_AUTOCANCEL,
		3090	signal => $signal,
		3091	prio => 0,
		3092	cb => sub {
		3093	cf::cleanup "SIG$signal";
		3094	},
		3095	);
		3096	}
		3097	}
		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
		3137	sub emergency_save() {
		3138	my $freeze_guard = cf::freeze_mainloop;
		3139
		3140	warn "enter emergency perl save\n";
		3141
		3142	cf::sync_job {
		3143	# use a peculiar iteration method to avoid tripping on perl
		3144	# refcount bugs in for. also avoids problems with players
		3145	# and maps saved/destroyed asynchronously.
		3146	warn "begin emergency player save\n";
		3147	for my $login (keys %cf::PLAYER) {
		3148	my $pl = $cf::PLAYER{$login} or next;
		3149	$pl->valid or next;
		3150	$pl->save;
		3151	}
		3152	warn "end emergency player save\n";
		3153
		3154	warn "begin emergency map save\n";
		3155	for my $path (keys %cf::MAP) {
		3156	my $map = $cf::MAP{$path} or next;
		3157	$map->valid or next;
		3158	$map->save;
		3159	}
		3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
		3165	};
		3166
		3167	warn "leave emergency perl save\n";
		3168	}
		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2214	sub reload() {	3177	sub do_reload_perl() {
2215	# can/must only be called in main	3178	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3180	warn "can only reload from main coroutine";
2218	return;	3181	return;
2219	}	3182	}
2220		3183
2221	warn "reloading...";	3184	warn "reloading...";
2222		3185
2223	my $guard = freeze_mainloop;	3186	warn "entering sync_job";
		3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2225		3192
2226	eval {	3193	warn "syncing database to disk";
		3194	BDB::db_env_txn_checkpoint $DB_ENV;
		3195
2227	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2228		3197
2229	# cancel all watchers	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3201	}
2233		3202
		3203	warn "flushing outstanding aio requests";
		3204	for (;;) {
		3205	BDB::flush;
		3206	IO::AIO::flush;
		3207	Coro::cede;
		3208	last unless IO::AIO::nreqs || BDB::nreqs;
		3209	warn "iterate...";
		3210	}
		3211
		3212	++$RELOAD;
		3213
2234	# cancel all extension coros	3214	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3216	%EXT_CORO = ();
2237		3217
2238	# unload all extensions	3218	warn "removing commands";
2239	for (@exts) {	3219	%COMMAND = ();
		3220
		3221	warn "removing ext/exti commands";
		3222	%EXTCMD = ();
		3223	%EXTICMD = ();
		3224
		3225	warn "unloading/nuking all extensions";
		3226	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3227	warn "... unloading $pkg";
2241	unload_extension $_;	3228
		3229	if (my $cb = $pkg->can ("unload")) {
		3230	eval {
		3231	$cb->($pkg);
		3232	1
		3233	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3234	}
2243		3235
		3236	warn "... nuking $pkg";
		3237	Symbol::delete_package $pkg;
		3238	}
		3239
2244	# unload all modules loaded from $LIBDIR	3240	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3241	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3243
2248	warn "removing <$k>";	3244	warn "... unloading $k";
2249	delete $INC{$k};	3245	delete $INC{$k};
2250		3246
2251	$k =~ s/\.pm$//;	3247	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3248	$k =~ s/\//::/g;
2253		3249
…		…
2256	}	3252	}
2257		3253
2258	Symbol::delete_package $k;	3254	Symbol::delete_package $k;
2259	}	3255	}
2260		3256
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3257	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3260
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3261	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2274		3264
2275	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3266	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2278		3268
2279	# reload cf.pm	3269	warn "unload completed, starting to reload now";
		3270
2280	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2281	require cf;	3272	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3274
2284	# load config and database again	3275	warn "loading config and database again";
2285	cf::cfg_load;	3276	cf::reload_config;
2286	cf::db_load;
2287		3277
2288	# load extensions
2289	warn "load extensions";	3278	warn "loading extensions";
2290	cf::load_extensions;	3279	cf::load_extensions;
2291		3280
2292	# reattach attachments to objects	3281	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3282	_global_reattach; # objects, sockets
2294	_global_reattach;	3283	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2296	};	3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2297		3287
2298	if ($@) {	3288	warn "leaving sync_job";
		3289
		3290	1
		3291	} or do {
2299	warn $@;	3292	warn $@;
2300	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2301	exit 1;	3294	exit 1;
2302	}	3295	};
2303		3296
2304	warn "reloaded successfully";	3297	warn "reloaded";
2305	};	3298	};
2306		3299
2307	#############################################################################	3300	our $RELOAD_WATCHER; # used only during reload
2308		3301
2309	unless ($LINK_MAP) {	3302	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
2311		3305
2312	$LINK_MAP->width (41);	3306	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3307	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3308	after => 0,
		3309	data => WF_AUTOCANCEL,
2322	cb => sub {	3310	cb => sub {
2323	$_[0]->w->cancel;	3311	do_reload_perl;
2324		3312	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3313	},
2343		3314	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3315	}
2349
2350	register "<global>", __PACKAGE__;
2351		3316
2352	register_command "reload" => sub {	3317	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2354		3319
2355	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3321	$who->message ("reloading server.");
		3322	async { reload_perl };
2359	}	3323	}
2360	};	3324	};
2361		3325
2362	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2363		3327
		3328	my $bug_warning = 0;
		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3354	reentrant => 0,
		3355	parked => 1,
2366	prio => 0,	3356	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3358	data => WF_AUTOCANCEL,
2369	cb => sub {	3359	cb => sub {
		3360	if ($Coro::current != $Coro::main) {
		3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3362	unless ++$bug_warning > 10;
		3363	return;
		3364	}
		3365
		3366	$NOW = $tick_start = Event::time;
		3367
2370	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2371	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2373		3395
		3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
		3415
2374	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3418
2377	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2379	},	3428	},
2380	);	3429	);
2381		3430
		3431	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3432	BDB::max_poll_time $TICK * 0.1;
2383		3433	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3434	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3435	fd => BDB::poll_fileno,
2386	poll => 'r',	3436	poll => 'r',
2387	prio => 5,	3437	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3438	data => WF_AUTOCANCEL,
2394	after => 0,	3439	cb => \&BDB::poll_cb,
2395	interval => 10,	3440	);
2396	cb => sub {	3441	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3442
2398	write_runtime	3443	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3477	};
2401	},	3478	}
2402	);	3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
		3485	IO::AIO::max_poll_time $TICK * 0.1;
		3486	$AIO_POLL_WATCHER = Event->io (
		3487	reentrant => 0,
		3488	data => WF_AUTOCANCEL,
		3489	fd => IO::AIO::poll_fileno,
		3490	poll => 'r',
		3491	prio => 6,
		3492	cb => \&IO::AIO::poll_cb,
		3493	);
		3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
		3531	}
		3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2403		3536
2404	END { cf::emergency_save }	3537	END { cf::emergency_save }
2405		3538
2406	1	3539	1
2407		3540

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