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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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 ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		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
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # 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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	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;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	95
55	our %EXT_CORO;	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 $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	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
90	every server tick.	133	every server tick.
91		134
92	=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
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	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.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		204
133	# 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
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		262
184	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
185		264	sub from_json ($) { $json_coder->decode ($_[0]) }
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205		265
206	=item cf::lock_wait $string	266	=item cf::lock_wait $string
207		267
208	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
209		269
210	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
211		271
212	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
213	a 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,
214	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
215	returned.	275	returned.
216		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
217	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
218	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.
219		286
220	=cut	287	=cut
221		288
222	our %LOCK;	289	our %LOCK;
223		290
…		…
237	# wait, to be sure we are not locked	304	# wait, to be sure we are not locked
238	lock_wait $key;	305	lock_wait $key;
239		306
240	$LOCK{$key} = [];	307	$LOCK{$key} = [];
241		308
242	cf::guard {	309	Coro::guard {
243	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
245	}	312	}
246	}	313	}
247		314
248	=item cf::async { BLOCK }	315	sub lock_active($) {
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;	316	my ($key) = @_;
257		317
258	Coro::async {	318	! ! $LOCK{$key}
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}	319	}
263		320
264	sub freeze_mainloop {	321	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
266		323
267	my $guard = guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
268	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
269	$guard	328	$guard
270	}	329	}
271		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;
		385	}
		386
		387	=item cf::async { BLOCK }
		388
		389	Currently the same as Coro::async_pool, meaning you cannot use
		390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		391	thing you are allowed to do is call C<prio> on it.
		392
		393	=cut
		394
		395	BEGIN { *async = \&Coro::async_pool }
		396
272	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
273		398
274	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)
275	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
276	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.
277		403
278	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
279	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
280	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
281	fast or be very important.	407	fast or be very important.
…		…
284		410
285	sub sync_job(&) {	411	sub sync_job(&) {
286	my ($job) = @_;	412	my ($job) = @_;
287		413
288	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
289	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
291		419
292	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
293	# (but this is cancel-safe)	421	# (but this is cancel-safe)
294	my $freeze_guard = freeze_mainloop;	422	my $freeze_guard = freeze_mainloop;
295		423
296	my $busy = 1;	424	my $busy = 1;
297	my @res;	425	my @res;
298		426
299	(Coro::async {	427	(async {
300	@res = eval { $job->() };	428	@res = eval { $job->() };
301	warn $@ if $@;	429	warn $@ if $@;
302	undef $busy;	430	undef $busy;
303	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
304		432
305	while ($busy) {	433	while ($busy) {
306	Coro::cede_notself;	434	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	435	}
		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
309		443
310	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
311	} else {	445	} else {
312	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
313		447
314	$job->()	448	$job->()
315	}	449	}
316	}	450	}
317		451
318	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
319		453
320	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
322		456
323	=cut	457	=cut
324		458
325	sub coro(&) {	459	sub async_ext(&) {
326	my $cb = shift;	460	my $cb = shift;
327		461
328	my $coro = &cf::async ($cb);	462	my $coro = &Coro::async ($cb);
329		463
330	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
332	});	466	});
333	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
334		468
335	$coro	469	$coro
336	}	470	}
337		471
338	sub write_runtime {	472	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		473
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
342	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.
343		478
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		480
348	aio_fsync $fh	481	sub fork_call(&@) {
349	and return;	482	my ($cb, @args) = @_;
350		483
351	close $fh	484	# we seemingly have to make a local copy of the whole thing,
352	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
353		487
354	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
355	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
356		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	};
357	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 });
358	}	621	}
359		622
360	=back	623	=back
361		624
362	=cut	625	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		626
484	#############################################################################	627	#############################################################################
485		628
486	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
487		630
…		…
489	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")
490	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
491		634
492	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>
493	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
494	crossfire+).	637	Crossfire TRT).
495		638
496	=over 4	639	=over 4
497		640
498	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
499		642
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	757	our @CB_MAP = ();
615		758
616	my %attachment;	759	my %attachment;
617		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
618	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
620		769
621	use sort 'stable';	770	use sort 'stable';
622		771
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
657		806
658	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		811
663	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	813	my $pkg = shift @arg;
665		814
666	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
696	}	845	}
697		846
698	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
699	} else {	848	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	850	}
702		851
703	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
704	}	853	}
705		854
…		…
707	if (ref $_[0]) {	856	if (ref $_[0]) {
708	_object_attach @_;	857	_object_attach @_;
709	} else {	858	} else {
710	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
711	}	860	}
		861	_recalc_want;
712	};	862	};
713		863
714	# all those should be optimised	864	# all those should be optimised
715	sub cf::attachable::detach {	865	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
720	reattach ($obj);	870	reattach ($obj);
721	} else {	871	} else {
722	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
723	}	873	}
		874	_recalc_want;
724	};	875	};
725		876
726	sub cf::attachable::attached {	877	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
728		879
…		…
743	";	894	";
744	die if $@;	895	die if $@;
745	}	896	}
746		897
747	our $override;	898	our $override;
748	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?
749		900
750	sub override {	901	sub override {
751	$override = 1;	902	$override = 1;
752	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
753	}	904	}
754		905
755	sub do_invoke {	906	sub do_invoke {
756	my $event = shift;	907	my $event = shift;
757	my $callbacks = shift;	908	my $callbacks = shift;
758		909
759	@invoke_results = ();	910	@INVOKE_RESULTS = ();
760		911
761	local $override;	912	local $override;
762		913
763	for (@$callbacks) {	914	for (@$callbacks) {
764	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
781		932
782	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
783		934
784	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
785	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
786	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		938
788	=back	939	=back
789		940
790	=cut	941	=cut
791		942
792	#############################################################################	943	#############################################################################
793	# 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	}
794		956
795	sub reattach {	957	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		962
799	my $registry = $obj->registry;	963	my $registry = $obj->registry;
800		964
801	@$registry = ();	965	@$registry = ();
802		966
…		…
849	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
850		1014
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	1019	close $fh;
856		1020
857	if (@$objs) {	1021	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	1027	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
865	}	1029	}
866	} else {	1030	} else {
867	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
899	or return;	1063	or return;
900	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
901	}	1065	}
902		1066
903	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
905	return ($data, $av);	1069	return ($data, $av);
906	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
907		1077
908	#############################################################################	1078	#############################################################################
909	# command handling &c	1079	# command handling &c
910		1080
911	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1095	}
926		1096
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1098
929	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.
930		1104
931	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
932	called.	1106	called.
933		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
934	=cut	1119	=cut
935		1120
936	sub register_extcmd {	1121	sub register_extcmd {
937	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
938		1123
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
943	}	1131	}
944		1132
945	cf::player->attach (	1133	cf::player->attach (
946	on_command => sub {	1134	on_command => sub {
947	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
956	cf::override;	1144	cf::override;
957	},	1145	},
958	on_extcmd => sub {	1146	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
960		1148
961	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1150
963	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
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
966	$pl->ext_reply ($msg->{msgid}, %reply);
967	}
968	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
969	} else {	1166	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1168	}
972		1169
973	cf::override;	1170	cf::override;
974	},	1171	},
975	);	1172	);
976		1173
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
		1178	for my $path (<$LIBDIR/*.ext>) {
		1179	next unless -r $path;
		1180
		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;
		1238	}
		1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
		1244	};
		1245	}
		1246
		1247	#############################################################################
		1248
		1249	=back
		1250
		1251	=head2 CORE EXTENSIONS
		1252
		1253	Functions and methods that extend core crossfire objects.
		1254
		1255	=cut
		1256
		1257	package cf::player;
		1258
		1259	use Coro::AIO;
		1260
		1261	=head3 cf::player
		1262
		1263	=over 4
		1264
		1265	=item cf::player::find $login
		1266
		1267	Returns the given player object, loading it if necessary (might block).
		1268
		1269	=cut
		1270
		1271	sub playerdir($) {
		1272	"$PLAYERDIR/"
		1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1274	}
		1275
		1276	sub path($) {
		1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1278
		1279	(playerdir $login) . "/playerdata"
		1280	}
		1281
		1282	sub find_active($) {
		1283	$cf::PLAYER{$_[0]}
		1284	and $cf::PLAYER{$_[0]}->active
		1285	and $cf::PLAYER{$_[0]}
		1286	}
		1287
		1288	sub exists($) {
		1289	my ($login) = @_;
		1290
		1291	$cf::PLAYER{$login}
		1292	or cf::sync_job { !aio_stat path $login }
		1293	}
		1294
		1295	sub find($) {
		1296	return $cf::PLAYER{$_[0]} || do {
		1297	my $login = $_[0];
		1298
		1299	my $guard = cf::lock_acquire "user_find:$login";
		1300
		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
		1309	my $pl = load_pl path $login
		1310	or return;
		1311	$cf::PLAYER{$login} = $pl
		1312	}
		1313	}
		1314	}
		1315
		1316	sub save($) {
		1317	my ($pl) = @_;
		1318
		1319	return if $pl->{deny_save};
		1320
		1321	my $path = path $pl;
		1322	my $guard = cf::lock_acquire "user_save:$path";
		1323
		1324	return if $pl->{deny_save};
		1325
		1326	aio_mkdir playerdir $pl, 0770;
		1327	$pl->{last_save} = $cf::RUNTIME;
		1328
		1329	$pl->save_pl ($path);
		1330	cf::cede_to_tick;
		1331	}
		1332
		1333	sub new($) {
		1334	my ($login) = @_;
		1335
		1336	my $self = create;
		1337
		1338	$self->ob->name ($login);
		1339	$self->{deny_save} = 1;
		1340
		1341	$cf::PLAYER{$login} = $self;
		1342
		1343	$self
		1344	}
		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
		1356	=item $pl->quit_character
		1357
		1358	Nukes the player without looking back. If logged in, the connection will
		1359	be destroyed. May block for a long time.
		1360
		1361	=cut
		1362
		1363	sub quit_character {
		1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
		1367
		1368	$pl->{deny_save} = 1;
		1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1370
		1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1372	$pl->deactivate;
		1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1374	$pl->ns->destroy if $pl->ns;
		1375
		1376	my $path = playerdir $pl;
		1377	my $temp = "$path~$cf::RUNTIME~deleting~";
		1378	aio_rename $path, $temp;
		1379	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1402	}
		1403
		1404	=item cf::player::list_logins
		1405
		1406	Returns am arrayref of all valid playernames in the system, can take a
		1407	while and may block, so not sync_job-capable, ever.
		1408
		1409	=cut
		1410
		1411	sub list_logins {
		1412	my $dirs = aio_readdir $PLAYERDIR
		1413	or return [];
		1414
		1415	my @logins;
		1416
		1417	for my $login (@$dirs) {
		1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1419	aio_read $fh, 0, 512, my $buf, 0 or next;
		1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1421
		1422	utf8::decode $login;
		1423	push @logins, $login;
		1424	}
		1425
		1426	\@logins
		1427	}
		1428
		1429	=item $player->maps
		1430
		1431	Returns an arrayref of map paths that are private for this
		1432	player. May block.
		1433
		1434	=cut
		1435
		1436	sub maps($) {
		1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
		1441	my $files = aio_readdir playerdir $pl
		1442	or return;
		1443
		1444	my @paths;
		1445
		1446	for (@$files) {
		1447	utf8::decode $_;
		1448	next if /\.(?:pl|pst)$/;
		1449	next unless /^$PATH_SEP/o;
		1450
		1451	push @paths, cf::map::normalise "~$pl/$_";
		1452	}
		1453
		1454	\@paths
		1455	}
		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
		1507	=item $player->ext_reply ($msgid, @msg)
		1508
		1509	Sends an ext reply to the player.
		1510
		1511	=cut
		1512
		1513	sub ext_reply($$@) {
		1514	my ($self, $id, @msg) = @_;
		1515
		1516	$self->ns->ext_reply ($id, @msg)
		1517	}
		1518
		1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
984	my ($path) = @_;	1546	my ($path) = @_;
985		1547
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1548	my ($match, $specificity);
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991		1549
992	warn "loading '$path' into '$pkg'\n";	1550	for my $region (list) {
993		1551	if ($region->{match} && $path =~ $region->{match}) {
994	open my $fh, "<:utf8", $path	1552	($match, $specificity) = ($region, $region->specificity)
995	or die "$path: $!";	1553	if $region->specificity > $specificity;
996		1554	}
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	1555	}
1026		1556
1027	# remove commands	1557	$match
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}
1052
1053	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;
1056	eval {
1057	load_extension $ext;
1058	1
1059	} or warn "$ext not loaded: $@";
1060	}
1061	}
1062
1063	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100
1101	=head2 CORE EXTENSIONS
1102
1103	Functions and methods that extend core crossfire objects.
1104
1105	=head3 cf::player
1106
1107	=over 4
1108
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut
1114
1115	sub cf::player::exists($) {
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121
1122	Sends an ext reply to the player.
1123
1124	=cut
1125
1126	sub cf::player::ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;
1128
1129	$msg{msgid} = $id;
1130
1131	$self->send ("ext " . to_json \%msg);
1132	}	1558	}
1133		1559
1134	=back	1560	=back
1135
1136		1561
1137	=head3 cf::map	1562	=head3 cf::map
1138		1563
1139	=over 4	1564	=over 4
1140		1565
…		…
1143	package cf::map;	1568	package cf::map;
1144		1569
1145	use Fcntl;	1570	use Fcntl;
1146	use Coro::AIO;	1571	use Coro::AIO;
1147		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1148	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1150		1579
1151	sub generate_random_map {	1580	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1583	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1168	}	1723	}
1169		1724
1170	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1171	# all maps in C++...	1726	# all maps in C++...
1172	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1174		1729
1175	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1177	}	1732	}
1178		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1179	sub try_load_header($) {	1750	sub load_header_from($) {
1180	my ($path) = @_;	1751	my ($self, $path) = @_;
1181		1752
1182	utf8::encode $path;	1753	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1184	or return;	1758	or return;
1185		1759
1186	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1187	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1188		1806
1189	$map->load_header ($path)	1807	$self->{deny_reset} = 1
1190	or return;	1808	if $self->no_reset;
1191		1809
1192	$map->{load_path} = $path;	1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1193		1812
1194	$map	1813	1
1195	}	1814	}
1196		1815
1197	sub find;	1816	sub find;
1198	sub find {	1817	sub find {
1199	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1200		1819
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1821
1206	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1207		1823
1208	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1210		1826	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1827	or return;
1230		1828
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1243		1830
1244	Coro::cede;	1831	$map->load_header
		1832	or return;
1245		1833
1246	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1837	$map->reset;
1248	undef $guard;	1838	undef $guard;
1249	$map = find $path	1839	return find $path;
1250	or return;
1251	}	1840	}
1252		1841
1253	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1254	}	1843	}
1255	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1256		1848
1257	sub load {	1849	sub load {
1258	my ($self) = @_;	1850	my ($self) = @_;
1259		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1260	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1262		1859
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1861
1265	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1266		1863
1267	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1268	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1870	or return;
1270		1871
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1873	if delete $self->{load_original};
1273		1874
1274	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1876	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1878	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1279	}	1880	}
1280	}	1881	}
1281		1882
1282	Coro::cede;	1883	cf::cede_to_tick;
1283
1284	# now do the right thing for maps	1884	# now do the right thing for maps
1285	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1286
1287	if ($self->{path}->is_style_map) {
1288	$self->{deny_save} = 1;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;
1294	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1297	$self->activate;	1897	$self->activate;
1298	}	1898	}
1299		1899
1300	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1301		1902
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
		1919	}
		1920
		1921	# find and load all maps in the 3x3 area around a map
		1922	sub load_neighbours {
		1923	my ($map) = @_;
		1924
		1925	my @neigh; # diagonal neighbours
		1926
		1927	for (0 .. 3) {
		1928	my $neigh = $map->tile_path ($_)
		1929	or next;
		1930	$neigh = find $neigh, $map
		1931	or next;
		1932	$neigh->load;
		1933
		1934	push @neigh,
		1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1937	}
		1938
		1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
		1941	my $neigh = find $path, $origin
		1942	or next;
		1943	$neigh->load;
		1944	}
1303	}	1945	}
1304		1946
1305	sub find_sync {	1947	sub find_sync {
1306	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1307		1949
1308	cf::sync_job { cf::map::find $path, $origin }	1950	cf::sync_job { find $path, $origin }
1309	}	1951	}
1310		1952
1311	sub do_load_sync {	1953	sub do_load_sync {
1312	my ($map) = @_;	1954	my ($map) = @_;
1313		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1314	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
		1960	}
		1961
		1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1315	}	1991	}
1316		1992
1317	sub save {	1993	sub save {
1318	my ($self) = @_;	1994	my ($self) = @_;
1319		1995
		1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1997
1320	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1321		1999
1322	return unless $self->dirty;	2000	return unless $self->dirty;
1323		2001
1324	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		2004
1327	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1328		2006
1329	return if $self->{deny_save};	2007	return if $self->{deny_save};
1330		2008
1331	local $self->{last_access} = $self->last_access;#d#	2009	local $self->{last_access} = $self->last_access;#d#
1332		2010
		2011	cf::async {
		2012	$_->contr->save for $self->players;
		2013	};
		2014
1333	if ($uniq) {	2015	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	2018	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	2020	}
1339	}	2021	}
1340		2022
1341	sub swap_out {	2023	sub swap_out {
1342	my ($self) = @_;	2024	my ($self) = @_;
1343		2025
1344	# save first because save cedes	2026	# save first because save cedes
1345	$self->save;	2027	$self->save;
		2028
		2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1346		2030
1347	return if $self->players;	2031	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	2033	return if $self->{deny_save};
1350		2034
…		…
1354		2038
1355	sub reset_at {	2039	sub reset_at {
1356	my ($self) = @_;	2040	my ($self) = @_;
1357		2041
1358	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};
1360	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1361		2044
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		2047
…		…
1369	my ($self) = @_;	2052	my ($self) = @_;
1370		2053
1371	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1372	}	2055	}
1373		2056
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	2057	sub reset {
1396	my ($self) = @_;	2058	my ($self) = @_;
1397		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2061
1398	return if $self->players;	2062	return if $self->players;
1399	return if $self->{path}{user_rel};#d#
1400		2063
1401	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1402		2075
1403	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1404		2079
1405	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1406		2081
1407	$self->unlink_save;	2082	$self->unlink_save;
1408	$self->destroy;	2083	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1412		2087
1413	sub nuke {	2088	sub nuke {
1414	my ($self) = @_;	2089	my ($self) = @_;
1415		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
		2094	delete $cf::MAP{$self->path};
		2095
		2096	bless $self, "cf::map";
		2097	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2101
		2102	$self->unlink_save;
		2103
		2104	$cf::MAP{$self->path} = $self;
		2105	}
		2106
1419	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
1420	}	2108	}
1421		2109
1422	sub customise_for {	2110	=item $maps = cf::map::tmp_maps
1423	my ($map, $ob) = @_;
1424		2111
1425	if ($map->per_player) {	2112	Returns an arrayref with all map paths of currently instantiated and saved
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
1427	}	2118	[
1428		2119	map {
1429	$map	2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
1430	}	2126	}
1431		2127
1432	sub emergency_save {	2128	=item $maps = cf::map::random_maps
1433	my $freeze_guard = cf::freeze_mainloop;
1434		2129
1435	warn "enter emergency map save\n";	2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
1436		2132
1437	cf::sync_job {	2133	=cut
1438	warn "begin emergency map save\n";
1439	$_->save for values %cf::MAP;
1440	};
1441		2134
1442	warn "end emergency map save\n";	2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
		2144	}
		2145
		2146	=item cf::map::unique_maps
		2147
		2148	Returns an arrayref of paths of all shared maps that have
		2149	instantiated unique items. May block.
		2150
		2151	=cut
		2152
		2153	sub unique_maps() {
		2154	[
		2155	map {
		2156	utf8::decode $_;
		2157	/\.map$/
		2158	? normalise $_
		2159	: ()
		2160	} @{ aio_readdir $UNIQUEDIR or [] }
		2161	]
1443	}	2162	}
1444		2163
1445	package cf;	2164	package cf;
1446		2165
1447	=back	2166	=back
1448		2167
		2168	=head3 cf::object
		2169
		2170	=cut
		2171
		2172	package cf::object;
		2173
		2174	=over 4
		2175
		2176	=item $ob->inv_recursive
		2177
		2178	Returns the inventory of the object _and_ their inventories, recursively.
		2179
		2180	=cut
		2181
		2182	sub inv_recursive_;
		2183	sub inv_recursive_ {
		2184	map { $_, inv_recursive_ $_->inv } @_
		2185	}
		2186
		2187	sub inv_recursive {
		2188	inv_recursive_ inv $_[0]
		2189	}
		2190
		2191	package cf;
		2192
		2193	=back
1449		2194
1450	=head3 cf::object::player	2195	=head3 cf::object::player
1451		2196
1452	=over 4	2197	=over 4
1453		2198
…		…
1467		2212
1468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1469		2214
1470	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1472	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1473	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1474	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1475	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1476	}	2240	}
1477		2241
1478	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1479		2243
1480	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1493		2257
1494	=item $player_object->enter_link	2258	=item $player_object->enter_link
1495		2259
1496	Freezes the player and moves him/her to a special map (C<{link}>).	2260	Freezes the player and moves him/her to a special map (C<{link}>).
1497		2261
1498	The player should be reaosnably safe there for short amounts of time. You	2262	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	2263	I<MUST> call C<leave_link> as soon as possible, though.
1500		2264
		2265	Will never block.
		2266
1501	=item $player_object->leave_link ($map, $x, $y)	2267	=item $player_object->leave_link ($map, $x, $y)
1502		2268
1503	Moves the player out of the specila link map onto the given map. If the	2269	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	2270	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	2271	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	2272	fails, to the emergency map position.
1507		2273
1508	Might block.	2274	Might block.
1509		2275
1510	=cut	2276	=cut
		2277
		2278	sub link_map {
		2279	unless ($LINK_MAP) {
		2280	$LINK_MAP = cf::map::find "{link}"
		2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2282	$LINK_MAP->load;
		2283	}
		2284
		2285	$LINK_MAP
		2286	}
1511		2287
1512	sub cf::object::player::enter_link {	2288	sub cf::object::player::enter_link {
1513	my ($self) = @_;	2289	my ($self) = @_;
1514		2290
1515	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1516		2292
1517	return if $self->map == $LINK_MAP;	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		2294
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1521		2297
1522	$self->enter_map ($LINK_MAP, 20, 20);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	2299	}
1524		2300
1525	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1527		2305
1528	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1529		2307
1530	unless ($map) {	2308	unless ($map) {
1531	# restore original map position	2309	# restore original map position
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1548		2326
1549	$map->load;	2327	$map->load;
		2328	$map->load_neighbours;
1550		2329
		2330	return unless $self->contr->active;
1551	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1553	}	2335	}
1554		2336
1555	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1556	on_logout => sub {
1557	my ($pl) = @_;
1558		2338
1559	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1560	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1561	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1562	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1563	};	2343	be called at the end of this process.
1564	}
1565	},
1566	on_login => sub {
1567	my ($pl) = @_;
1568		2344
1569	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;
1573	cf::async {
1574	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;
1578	};
1579	}
1580	},
1581	);
1582
1583	=item $player_object->goto_map ($path, $x, $y)
1584
1585	=cut	2345	=cut
1586		2346
		2347	our $GOTOGEN;
		2348
1587	sub cf::object::player::goto_map {	2349	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1589		2354
1590	$self->enter_link;	2355	$self->enter_link;
1591		2356
1592	(cf::async {	2357	(async {
1593	$path = new cf::path $path;	2358	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1596	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
1597		2363	$map = $check->($map) if $check && $map;
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	2364	} else {
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1602		2367
		2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1603	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1604	})->prio (1);	2382	})->prio (1);
1605	}	2383	}
1606		2384
1607	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1608		2386
…		…
1610		2388
1611	sub parse_random_map_params {	2389	sub parse_random_map_params {
1612	my ($spec) = @_;	2390	my ($spec) = @_;
1613		2391
1614	my $rmp = { # defaults	2392	my $rmp = { # defaults
1615	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1617	};	2397	};
1618		2398
1619	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1621		2401
…		…
1625	$rmp	2405	$rmp
1626	}	2406	}
1627		2407
1628	sub prepare_random_map {	2408	sub prepare_random_map {
1629	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		2412
1631	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	2415	# that depends on the exit object
1634		2416
1635	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1636		2418
1637	if ($exit->map) {	2419	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1642	}	2424	}
1643		2425
1644	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1645		2427
1646	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1648		2431
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1651		2436
1652	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	2438	$exit->msg (undef);
1654	}	2439	}
1655	}	2440	}
…		…
1657	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1659		2444
1660	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1661		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1662	$self->enter_link;	2458	$self->enter_link;
1663		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
		2463
1664	(cf::async {	2464	(async {
1665	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2466	unless (eval {
1667	prepare_random_map $exit	2467	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		2468
1673	1;	2469	1;
1674	}) {	2470	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	2473	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2475
1680	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2477	$self->leave_link;
1682	}	2478	}
1683	})->prio (1);	2479	})->prio (1);
…		…
1696		2492
1697	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1699		2495
1700	utf8::encode $text;	2496	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2498	}
1703		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
		2574	push @msg, msgtype => "event_$type";
		2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
		2595	}
1704		2596
1705	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
1706		2598
1707	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1709	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1710		2602
1711	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
1712	reliable at some point in the future.	2604	become reliable at some point in the future.
1713		2605
1714	=cut	2606	=cut
1715		2607
1716	sub cf::client::query {	2608	sub cf::client::query {
1717	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
1725	utf8::encode $text;	2617	utf8::encode $text;
1726	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1727		2619
1728	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
1729	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
1730	}	2624	}
1731		2625
1732	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
1733	on_reply => sub {	2632	on_reply => sub {
1734	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
1735		2634
1736	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
1737	# get handled first	2636	# get handled first
1738	my $queue = delete $ns->{query_queue}	2637	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2638	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2639
1741	(shift @$queue)->[1]->($msg);	2640	(shift @$queue)->[1]->($msg);
		2641	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2642
1743	push @{ $ns->{query_queue} }, @$queue;	2643	push @{ $ns->{query_queue} }, @$queue;
1744		2644
1745	if (@{ $ns->{query_queue} } == @$queue) {	2645	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2646	if (@$queue) {
…		…
1748	} else {	2648	} else {
1749	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1750	}	2650	}
1751	}	2651	}
1752	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
1753	);	2679	);
1754		2680
1755	=item $client->coro (\&cb)	2681	=item $client->async (\&cb)
1756		2682
1757	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2684	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2685	or loss of connection).
1760		2686
1761	=cut	2687	=cut
1762		2688
1763	sub cf::client::coro {	2689	sub cf::client::async {
1764	my ($self, $cb) = @_;	2690	my ($self, $cb) = @_;
1765		2691
1766	my $coro = &cf::async ($cb);	2692	my $coro = &Coro::async ($cb);
1767		2693
1768	$coro->on_destroy (sub {	2694	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2695	delete $self->{_coro}{$coro+0};
1770	});	2696	});
1771		2697
…		…
1798	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
1799	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
1800		2726
1801	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
1802		2728
1803	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
1804		2734
1805	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
1806		2736
1807	=pod	2737	=pod
1808		2738
1809	The following fucntions and emthods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
1810		2740
1811	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
1812	cf::object::player player	2745	cf::object::player
1813	cf::player peaceful	2746	player
1814	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
1815		2753
1816	=cut	2754	=cut
1817		2755
1818	for (	2756	for (
1819	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
1820	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
1821	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
1822	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
1823	) {	2763	) {
1824	no strict 'refs';	2764	no strict 'refs';
…		…
1895	=back	2835	=back
1896		2836
1897	=cut	2837	=cut
1898		2838
1899	#############################################################################	2839	#############################################################################
		2840	# the server's init and main functions
1900		2841
1901	=head2 EXTENSION DATABASE SUPPORT	2842	sub load_facedata($) {
		2843	my ($path) = @_;
1902		2844
1903	Crossfire maintains a very simple database for extension use. It can	2845	# HACK to clear player env face cache, we need some signal framework
1904	currently store anything that can be serialised using Storable, which	2846	# for this (global event?)
1905	excludes objects.	2847	%ext::player_env::MUSIC_FACE_CACHE = ();
1906		2848
1907	The parameter C<$family> should best start with the name of the extension	2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1908	using it, it should be unique.
1909		2850
1910	=over 4	2851	warn "loading facedata from $path\n";
1911		2852
1912	=item $hashref = cf::db_get $family	2853	my $facedata;
		2854	0 < aio_load $path, $facedata
		2855	or die "$path: $!";
1913		2856
1914	Return a hashref for use by the extension C<$family>, which can be	2857	$facedata = Coro::Storable::thaw $facedata;
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917		2858
1918	=item $value = cf::db_get $family => $key	2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
1919		2861
1920	Returns a single value from the database	2862	# patch in the exptable
1921		2863	$facedata->{resource}{"res/exp_table"} = {
1922	=item cf::db_put $family => $hashref	2864	type => FT_RSRC,
1923		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926
1927	=item cf::db_put $family => $key => $value
1928
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939
1940	=cut
1941
1942	our $DB;
1943
1944	{
1945	my $path = cf::localdir . "/database.pst";
1946
1947	sub db_load() {
1948	$DB = stat $path ? Storable::retrieve $path : { };
1949	}
1950
1951	my $pid;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});	2866	};
		2867	cf::cede_to_tick;
1973		2868
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}	2869	{
		2870	my $faces = $facedata->{faceinfo};
1978		2871
1979	sub db_get($;$) {	2872	while (my ($face, $info) = each %$faces) {
1980	@_ >= 2	2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1981	? $DB->{$_[0]}{$_[1]}	2874	cf::face::set_visibility $idx, $info->{visibility};
1982	: ($DB->{$_[0]} ||= { })	2875	cf::face::set_magicmap $idx, $info->{magicmap};
1983	}	2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1984		2878
1985	sub db_put($$;$) {	2879	cf::cede_to_tick;
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2880	}
1999	);
2000	}
2001		2881
2002	#############################################################################	2882	while (my ($face, $info) = each %$faces) {
2003	# the server's main()	2883	next unless $info->{smooth};
		2884	my $idx = cf::face::find $face
		2885	or next;
		2886	if (my $smooth = cf::face::find $info->{smooth}) {
		2887	cf::face::set_smooth $idx, $smooth;
		2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2889	} else {
		2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2891	}
2004		2892
2005	sub cfg_load {	2893	cf::cede_to_tick;
		2894	}
		2895	}
		2896
		2897	{
		2898	my $anims = $facedata->{animinfo};
		2899
		2900	while (my ($anim, $info) = each %$anims) {
		2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2902	cf::cede_to_tick;
		2903	}
		2904
		2905	cf::anim::invalidate_all; # d'oh
		2906	}
		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
		2955	}
		2956
		2957	1
		2958	}
		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
		2974	or die "unable to load regions file\n";
		2975
		2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
		2987	sub reload_archetypes {
		2988	load_resource_file "$DATADIR/archetypes"
		2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
		2995	}
		2996
		2997	sub reload_treasures {
		2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
		3000	}
		3001
		3002	sub reload_resources {
		3003	warn "reloading resource files...\n";
		3004
		3005	reload_regions;
		3006	reload_facedata;
		3007	#reload_archetypes;#d#
		3008	reload_archetypes;
		3009	reload_treasures;
		3010
		3011	warn "finished reloading resource files\n";
		3012	}
		3013
		3014	sub init {
		3015	reload_resources;
		3016	}
		3017
		3018	sub reload_config {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2007	or return;	3020	or return;
2008		3021
2009	local $/;	3022	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2011		3024
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3025	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		3026
		3027	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3028	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3029
2014	if (exists $CFG{mlockall}) {	3030	if (exists $CFG{mlockall}) {
2015	eval {	3031	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	3032	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	3033	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	3034	};
2019	warn $@ if $@;	3035	warn $@ if $@;
2020	}	3036	}
2021	}	3037	}
2022		3038
2023	sub main {	3039	sub main {
2024	# we must not ever block the main coroutine	3040	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	3041	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3042	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	3043	(async {
2028	Event::one_event;	3044	Event::one_event;
2029	})->();	3045	})->prio (Coro::PRIO_MAX);
2030	};	3046	};
2031		3047
2032	cfg_load;	3048	reload_config;
2033	db_load;	3049	db_init;
2034	load_extensions;	3050	load_extensions;
		3051
		3052	$TICK_WATCHER->start;
2035	Event::loop;	3053	Event::loop;
2036	}	3054	}
2037		3055
2038	#############################################################################	3056	#############################################################################
2039	# initialisation	3057	# initialisation and cleanup
2040		3058
		3059	# install some emergency cleanup handlers
		3060	BEGIN {
		3061	for my $signal (qw(INT HUP TERM)) {
		3062	Event->signal (
		3063	reentrant => 0,
		3064	data => WF_AUTOCANCEL,
		3065	signal => $signal,
		3066	prio => 0,
		3067	cb => sub {
		3068	cf::cleanup "SIG$signal";
		3069	},
		3070	);
		3071	}
		3072	}
		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
		3112	sub emergency_save() {
		3113	my $freeze_guard = cf::freeze_mainloop;
		3114
		3115	warn "enter emergency perl save\n";
		3116
		3117	cf::sync_job {
		3118	# use a peculiar iteration method to avoid tripping on perl
		3119	# refcount bugs in for. also avoids problems with players
		3120	# and maps saved/destroyed asynchronously.
		3121	warn "begin emergency player save\n";
		3122	for my $login (keys %cf::PLAYER) {
		3123	my $pl = $cf::PLAYER{$login} or next;
		3124	$pl->valid or next;
		3125	$pl->save;
		3126	}
		3127	warn "end emergency player save\n";
		3128
		3129	warn "begin emergency map save\n";
		3130	for my $path (keys %cf::MAP) {
		3131	my $map = $cf::MAP{$path} or next;
		3132	$map->valid or next;
		3133	$map->save;
		3134	}
		3135	warn "end emergency map save\n";
		3136
		3137	warn "begin emergency database checkpoint\n";
		3138	BDB::db_env_txn_checkpoint $DB_ENV;
		3139	warn "end emergency database checkpoint\n";
		3140	};
		3141
		3142	warn "leave emergency perl save\n";
		3143	}
		3144
		3145	sub post_cleanup {
		3146	my ($make_core) = @_;
		3147
		3148	warn Carp::longmess "post_cleanup backtrace"
		3149	if $make_core;
		3150	}
		3151
2041	sub reload() {	3152	sub do_reload_perl() {
2042	# can/must only be called in main	3153	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	3155	warn "can only reload from main coroutine";
2045	return;	3156	return;
2046	}	3157	}
2047		3158
2048	warn "reloading...";	3159	warn "reloading...";
2049		3160
2050	my $guard = freeze_mainloop;	3161	warn "entering sync_job";
		3162
		3163	cf::sync_job {
		3164	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	3165	cf::emergency_save;
		3166	cf::write_runtime; # external watchdog should not bark
2052		3167
2053	eval {	3168	warn "syncing database to disk";
		3169	BDB::db_env_txn_checkpoint $DB_ENV;
		3170
2054	# if anything goes wrong in here, we should simply crash as we already saved	3171	# if anything goes wrong in here, we should simply crash as we already saved
2055		3172
2056	# cancel all watchers	3173	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	3174	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	3175	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	3176	}
2060		3177
		3178	warn "flushing outstanding aio requests";
		3179	for (;;) {
		3180	BDB::flush;
		3181	IO::AIO::flush;
		3182	Coro::cede;
		3183	last unless IO::AIO::nreqs || BDB::nreqs;
		3184	warn "iterate...";
		3185	}
		3186
		3187	++$RELOAD;
		3188
2061	# cancel all extension coros	3189	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	3190	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	3191	%EXT_CORO = ();
2064		3192
2065	# unload all extensions	3193	warn "removing commands";
2066	for (@exts) {	3194	%COMMAND = ();
		3195
		3196	warn "removing ext/exti commands";
		3197	%EXTCMD = ();
		3198	%EXTICMD = ();
		3199
		3200	warn "unloading/nuking all extensions";
		3201	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	3202	warn "... unloading $pkg";
2068	unload_extension $_;	3203
		3204	if (my $cb = $pkg->can ("unload")) {
		3205	eval {
		3206	$cb->($pkg);
		3207	1
		3208	} or warn "$pkg unloaded, but with errors: $@";
2069	}	3209	}
2070		3210
		3211	warn "... nuking $pkg";
		3212	Symbol::delete_package $pkg;
		3213	}
		3214
2071	# unload all modules loaded from $LIBDIR	3215	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	3216	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3217	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		3218
2075	warn "removing <$k>";	3219	warn "... unloading $k";
2076	delete $INC{$k};	3220	delete $INC{$k};
2077		3221
2078	$k =~ s/\.pm$//;	3222	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	3223	$k =~ s/\//::/g;
2080		3224
…		…
2083	}	3227	}
2084		3228
2085	Symbol::delete_package $k;	3229	Symbol::delete_package $k;
2086	}	3230	}
2087		3231
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	3232	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		3235
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	3236	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2101		3239
2102	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2103	# and global variables created in xs	3241	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2105		3243
2106	# reload cf.pm	3244	warn "unload completed, starting to reload now";
		3245
2107	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2108	require cf;	3247	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		3249
2111	# load config and database again	3250	warn "loading config and database again";
2112	cf::cfg_load;	3251	cf::reload_config;
2113	cf::db_load;
2114		3252
2115	# load extensions
2116	warn "load extensions";	3253	warn "loading extensions";
2117	cf::load_extensions;	3254	cf::load_extensions;
2118		3255
2119	# reattach attachments to objects	3256	warn "reattaching attachments to objects/players";
2120	warn "reattach";	3257	_global_reattach; # objects, sockets
2121	_global_reattach;	3258	warn "reattaching attachments to maps";
2122	};	3259	reattach $_ for values %MAP;
		3260	warn "reattaching attachments to players";
		3261	reattach $_ for values %PLAYER;
2123		3262
2124	if ($@) {	3263	warn "leaving sync_job";
		3264
		3265	1
		3266	} or do {
2125	warn $@;	3267	warn $@;
2126	warn "error while reloading, exiting.";	3268	warn "error while reloading, exiting.";
2127	exit 1;	3269	exit 1;
2128	}	3270	};
2129		3271
2130	warn "reloaded successfully";	3272	warn "reloaded";
2131	};	3273	};
2132		3274
2133	#############################################################################	3275	our $RELOAD_WATCHER; # used only during reload
2134		3276
2135	unless ($LINK_MAP) {	3277	sub reload_perl() {
2136	$LINK_MAP = cf::map::new;	3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
2137		3280
2138	$LINK_MAP->width (41);	3281	$RELOAD_WATCHER ||= Event->timer (
2139	$LINK_MAP->height (41);	3282	reentrant => 0,
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,	3283	after => 0,
		3284	data => WF_AUTOCANCEL,
2148	cb => sub {	3285	cb => sub {
2149	$_[0]->w->cancel;	3286	do_reload_perl;
2150		3287	undef $RELOAD_WATCHER;
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});	3288	},
2169		3289	);
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}	3290	}
2175
2176	register "<global>", __PACKAGE__;
2177		3291
2178	register_command "reload" => sub {	3292	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2180		3294
2181	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");
2183	reload;
2184	$who->message ("end of reload.");	3296	$who->message ("reloading server.");
		3297	async { reload_perl };
2185	}	3298	}
2186	};	3299	};
2187		3300
2188	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2189		3302
		3303	my $bug_warning = 0;
		3304
		3305	our @WAIT_FOR_TICK;
		3306	our @WAIT_FOR_TICK_BEGIN;
		3307
		3308	sub wait_for_tick {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	sub wait_for_tick_begin {
		3318	return unless $TICK_WATCHER->is_active;
		3319	return if $Coro::current == $Coro::main;
		3320
		3321	my $signal = new Coro::Signal;
		3322	push @WAIT_FOR_TICK_BEGIN, $signal;
		3323	$signal->wait;
		3324	}
		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2190	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	3329	reentrant => 0,
		3330	parked => 1,
2192	prio => 0,	3331	prio => 0,
2193	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	3333	data => WF_AUTOCANCEL,
2195	cb => sub {	3334	cb => sub {
		3335	if ($Coro::current != $Coro::main) {
		3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3337	unless ++$bug_warning > 10;
		3338	return;
		3339	}
		3340
		3341	$NOW = $tick_start = Event::time;
		3342
2196	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2197	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2199		3370
		3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3373	Coro::async_pool {
		3374	write_runtime
		3375	or warn "ERROR: unable to write runtime file: $!";
		3376	};
		3377	}
		3378
		3379	# my $AFTER = Event::time;
		3380	# warn $AFTER - $NOW;#d#
		3381
		3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3383	$sig->send;
		3384	}
		3385	while (my $sig = shift @WAIT_FOR_TICK) {
		3386	$sig->send;
		3387	}
		3388
		3389	$NOW = Event::time;
		3390
2200	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2202		3393
2203	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2205	},	3403	},
2206	);	3404	);
2207		3405
		3406	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	3407	BDB::max_poll_time $TICK * 0.1;
2209		3408	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	3409	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	3410	fd => BDB::poll_fileno,
2212	poll => 'r',	3411	poll => 'r',
2213	prio => 5,	3412	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	3413	data => WF_AUTOCANCEL,
2220	after => 0,	3414	cb => \&BDB::poll_cb,
2221	interval => 10,	3415	);
2222	cb => sub {	3416	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	3417
2224	write_runtime	3418	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	3419	my $status;
		3420	my $current = $Coro::current;
		3421	(
		3422	sub {
		3423	$status = $!;
		3424	$current->ready; undef $current;
		3425	},
		3426	sub {
		3427	Coro::schedule while defined $current;
		3428	$! = $status;
		3429	},
		3430	)
		3431	};
		3432
		3433	unless ($DB_ENV) {
		3434	$DB_ENV = BDB::db_env_create;
		3435
		3436	cf::sync_job {
		3437	eval {
		3438	BDB::db_env_open
		3439	$DB_ENV,
		3440	$BDBDIR,
		3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3443	0666;
		3444
		3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3446
		3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3448	$DB_ENV->set_lk_detect;
		3449	};
		3450
		3451	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	3452	};
2227	},	3453	}
2228	);	3454	}
		3455
		3456	{
		3457	IO::AIO::min_parallel 8;
		3458
		3459	undef $Coro::AIO::WATCHER;
		3460	IO::AIO::max_poll_time $TICK * 0.1;
		3461	$AIO_POLL_WATCHER = Event->io (
		3462	reentrant => 0,
		3463	data => WF_AUTOCANCEL,
		3464	fd => IO::AIO::poll_fileno,
		3465	poll => 'r',
		3466	prio => 6,
		3467	cb => \&IO::AIO::poll_cb,
		3468	);
		3469	}
		3470
		3471	my $_log_backtrace;
		3472
		3473	sub _log_backtrace {
		3474	my ($msg, @addr) = @_;
		3475
		3476	$msg =~ s/\n//;
		3477
		3478	# limit the # of concurrent backtraces
		3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
		3506	}
		3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
2229		3511
2230	END { cf::emergency_save }	3512	END { cf::emergency_save }
2231		3513
2232	1	3514	1
2233		3515

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