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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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 $FREEZE;	95
55	our $RANDOM_MAPS = cf::localdir . "/random";	96	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	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.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		204
134	# 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
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	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	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		262
185	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
186		264	sub from_json ($) { $json_coder->decode ($_[0]) }
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206		265
207	=item cf::lock_wait $string	266	=item cf::lock_wait $string
208		267
209	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
210		269
211	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
212		271
213	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
216	returned.	275	returned.
217		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
218	Lock names should begin with a unique identifier (for example, find_map	280	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
220		286
221	=cut	287	=cut
222		288
223	our %LOCK;	289	our %LOCK;
224		290
…		…
238	# wait, to be sure we are not locked	304	# wait, to be sure we are not locked
239	lock_wait $key;	305	lock_wait $key;
240		306
241	$LOCK{$key} = [];	307	$LOCK{$key} = [];
242		308
243	cf::guard {	309	Coro::guard {
244	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
246	}	312	}
247	}	313	}
248		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
		321	sub freeze_mainloop {
		322	return unless $TICK_WATCHER->is_active;
		323
		324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
		327	$TICK_WATCHER->stop;
		328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
249	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
250		388
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	389	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	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.
253		392
254	=cut	393	=cut
255		394
256	sub async(&) {	395	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		396
265	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
266		398
267	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)
268	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
269	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.
270		403
271	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
272	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
273	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
274	fast or be very important.	407	fast or be very important.
…		…
277		410
278	sub sync_job(&) {	411	sub sync_job(&) {
279	my ($job) = @_;	412	my ($job) = @_;
280		413
281	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
282	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
284		419
285	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	421	# (but this is cancel-safe)
287	local $FREEZE = 1;	422	my $freeze_guard = freeze_mainloop;
288		423
289	my $busy = 1;	424	my $busy = 1;
290	my @res;	425	my @res;
291		426
292	(Coro::async {	427	(async {
293	@res = eval { $job->() };	428	@res = eval { $job->() };
294	warn $@ if $@;	429	warn $@ if $@;
295	undef $busy;	430	undef $busy;
296	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
297		432
298	while ($busy) {	433	while ($busy) {
299	Coro::cede_notself;	434	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	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
302		443
303	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
304	} else {	445	} else {
305	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
306		447
307	$job->()	448	$job->()
308	}	449	}
309	}	450	}
310		451
311	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
312		453
313	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
315		456
316	=cut	457	=cut
317		458
318	sub coro(&) {	459	sub async_ext(&) {
319	my $cb = shift;	460	my $cb = shift;
320		461
321	my $coro = &cf::async ($cb);	462	my $coro = &Coro::async ($cb);
322		463
323	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
325	});	466	});
326	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
327		468
328	$coro	469	$coro
329	}	470	}
330		471
331	sub write_runtime {	472	=item fork_call { }, $args
332	my $runtime = cf::localdir . "/runtime";
333		473
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
335	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.
336		478
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;
340		480
341	aio_fsync $fh	481	sub fork_call(&@) {
342	and return;	482	my ($cb, @args) = @_;
343		483
344	close $fh	484	# we seemingly have to make a local copy of the whole thing,
345	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
346		487
347	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
348	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
349		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	};
350	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 });
351	}	621	}
352		622
353	=back	623	=back
354		624
355	=cut	625	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		626
477	#############################################################################	627	#############################################################################
478		628
479	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
480		630
…		…
482	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")
483	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
484		634
485	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>
486	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
487	crossfire+).	637	Crossfire TRT).
488		638
489	=over 4	639	=over 4
490		640
491	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
492		642
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	757	our @CB_MAP = ();
608		758
609	my %attachment;	759	my %attachment;
610		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
611	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
613		769
614	use sort 'stable';	770	use sort 'stable';
615		771
…		…
649	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
650		806
651	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
652	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
653	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
654	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
655		811
656	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
657	my $pkg = shift @arg;	813	my $pkg = shift @arg;
658		814
659	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
688	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
689	}	845	}
690		846
691	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
692	} else {	848	} else {
693	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
694	}	850	}
695		851
696	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
697	}	853	}
698		854
…		…
700	if (ref $_[0]) {	856	if (ref $_[0]) {
701	_object_attach @_;	857	_object_attach @_;
702	} else {	858	} else {
703	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
704	}	860	}
		861	_recalc_want;
705	};	862	};
706		863
707	# all those should be optimised	864	# all those should be optimised
708	sub cf::attachable::detach {	865	sub cf::attachable::detach {
709	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
712	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
713	reattach ($obj);	870	reattach ($obj);
714	} else {	871	} else {
715	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
716	}	873	}
		874	_recalc_want;
717	};	875	};
718		876
719	sub cf::attachable::attached {	877	sub cf::attachable::attached {
720	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
721		879
…		…
736	";	894	";
737	die if $@;	895	die if $@;
738	}	896	}
739		897
740	our $override;	898	our $override;
741	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?
742		900
743	sub override {	901	sub override {
744	$override = 1;	902	$override = 1;
745	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
746	}	904	}
747		905
748	sub do_invoke {	906	sub do_invoke {
749	my $event = shift;	907	my $event = shift;
750	my $callbacks = shift;	908	my $callbacks = shift;
751		909
752	@invoke_results = ();	910	@INVOKE_RESULTS = ();
753		911
754	local $override;	912	local $override;
755		913
756	for (@$callbacks) {	914	for (@$callbacks) {
757	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
774		932
775	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
776		934
777	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
778	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
779	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
780		938
781	=back	939	=back
782		940
783	=cut	941	=cut
784		942
785	#############################################################################	943	#############################################################################
786	# 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	}
787		956
788	sub reattach {	957	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		962
792	my $registry = $obj->registry;	963	my $registry = $obj->registry;
793		964
794	@$registry = ();	965	@$registry = ();
795		966
…		…
842	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
843		1014
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	1019	close $fh;
849		1020
850	if (@$objs) {	1021	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	1027	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
858	}	1029	}
859	} else {	1030	} else {
860	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
892	or return;	1063	or return;
893	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
894	}	1065	}
895		1066
896	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
897	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
898	return ($data, $av);	1069	return ($data, $av);
899	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
900		1077
901	#############################################################################	1078	#############################################################################
902	# command handling &c	1079	# command handling &c
903		1080
904	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
917	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
918	}	1095	}
919		1096
920	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
921		1098
922	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.
923		1104
924	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
925	called.	1106	called.
926		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
927	=cut	1119	=cut
928		1120
929	sub register_extcmd {	1121	sub register_extcmd {
930	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
931		1123
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
936	}	1131	}
937		1132
938	cf::player->attach (	1133	cf::player->attach (
939	on_command => sub {	1134	on_command => sub {
940	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
949	cf::override;	1144	cf::override;
950	},	1145	},
951	on_extcmd => sub {	1146	on_extcmd => sub {
952	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
953		1148
954	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
955		1150
956	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
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
959	$pl->ext_reply ($msg->{msgid}, %reply);
960	}
961	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
962	} else {	1166	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
964	}	1168	}
965		1169
966	cf::override;	1170	cf::override;
967	},	1171	},
968	);	1172	);
969		1173
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	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($) {
977	my ($path) = @_;	1546	my ($path) = @_;
978		1547
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1548	my ($match, $specificity);
980	my $base = $1;
981	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";
984		1549
985	warn "loading '$path' into '$pkg'\n";	1550	for my $region (list) {
986		1551	if ($region->{match} && $path =~ $region->{match}) {
987	open my $fh, "<:utf8", $path	1552	($match, $specificity) = ($region, $region->specificity)
988	or die "$path: $!";	1553	if $region->specificity > $specificity;
989		1554	}
990	my $source =
991	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })
994	. "\n};\n1";
995
996	eval $source
997	or die $@ ? "$path: $@\n"
998	: "extension disabled.\n";
999
1000	push @exts, $pkg;
1001	$ext_pkg{$base} = $pkg;
1002
1003	# no strict 'refs';
1004	# @{"$pkg\::ISA"} = ext::;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	1555	}
1019		1556
1020	# remove commands	1557	$match
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}
1045
1046	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;
1049	eval {
1050	load_extension $ext;
1051	1
1052	} or warn "$ext not loaded: $@";
1053	}
1054	}
1055
1056	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093
1094	=head2 CORE EXTENSIONS
1095
1096	Functions and methods that extend core crossfire objects.
1097
1098	=head3 cf::player
1099
1100	=over 4
1101
1102	=item cf::player::exists $login
1103
1104	Returns true when the given account exists.
1105
1106	=cut
1107
1108	sub cf::player::exists($) {
1109	cf::player::find $_[0]
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1111	}
1112
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114
1115	Sends an ext reply to the player.
1116
1117	=cut
1118
1119	sub cf::player::ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;
1121
1122	$msg{msgid} = $id;
1123
1124	$self->send ("ext " . to_json \%msg);
1125	}	1558	}
1126		1559
1127	=back	1560	=back
1128
1129		1561
1130	=head3 cf::map	1562	=head3 cf::map
1131		1563
1132	=over 4	1564	=over 4
1133		1565
…		…
1136	package cf::map;	1568	package cf::map;
1137		1569
1138	use Fcntl;	1570	use Fcntl;
1139	use Coro::AIO;	1571	use Coro::AIO;
1140		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1141	our $MAX_RESET = 7200;	1577	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1578	our $DEFAULT_RESET = 3000;
1143		1579
1144	sub generate_random_map {	1580	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1583	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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"
1161	}	1723	}
1162		1724
1163	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1164	# all maps in C++...	1726	# all maps in C++...
1165	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1167		1729
1168	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1170	}	1732	}
1171		1733
		1734	sub decay_objects {
		1735	my ($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
1172	sub try_load_header($) {	1750	sub load_header_from($) {
1173	my ($path) = @_;	1751	my ($self, $path) = @_;
1174		1752
1175	utf8::encode $path;	1753	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1177	or return;	1758	or return;
1178		1759
1179	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
1180	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1181		1806
1182	$map->load_header ($path)	1807	$self->{deny_reset} = 1
1183	or return;	1808	if $self->no_reset;
1184		1809
1185	$map->{load_path} = $path;	1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1186		1812
1187	$map	1813	1
1188	}	1814	}
1189		1815
1190	sub find_map;	1816	sub find;
1191	sub find_map {	1817	sub find {
1192	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1193		1819
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1821
1199	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1200		1823
1201	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1203		1826	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1827	or return;
1219		1828
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1830
1233	if ($map->should_reset) {	1831	$map->load_header
		1832	or return;
		1833
		1834	if ($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;
1234	$map->reset;	1837	$map->reset;
1235	undef $guard;	1838	undef $guard;
1236	$map = find_map $path	1839	return find $path;
1237	or return;
1238	}	1840	}
1239		1841
1240	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1241	}	1843	}
1242	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1243		1848
1244	sub load {	1849	sub load {
1245	my ($self) = @_;	1850	my ($self) = @_;
1246		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1247	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1249		1859
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1861
1252	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1253		1863
1254	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1255	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1870	or return;
1257		1871
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1873	if delete $self->{load_original};
1260		1874
1261	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1876	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1878	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1266	}	1880	}
1267	}	1881	}
1268		1882
		1883	cf::cede_to_tick;
1269	# now do the right thing for maps	1884	# now do the right thing for maps
1270	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1271
1272	if ($self->{path}->is_style_map) {
1273	$self->{deny_save} = 1;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;
1279	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1281	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;
1282	$self->activate;	1897	$self->activate;
1283	}	1898	}
1284		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1904	}
1287		1905
1288	sub load_map_sync {	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	$neigh->load;
		1944	}
		1945	}
		1946
		1947	sub find_sync {
1289	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1290		1949
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1950	cf::sync_job { find $path, $origin }
		1951	}
1292		1952
1293	cf::sync_job {	1953	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1954	my ($map) = @_;
1295	or return;	1955
1296	$map->load;	1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1297	$map	1957	if $Coro::current == $Coro::main;
		1958
		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;
1298	}	1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1299	}	1991	}
1300		1992
1301	sub save {	1993	sub save {
1302	my ($self) = @_;	1994	my ($self) = @_;
1303		1995
		1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1997
1304	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1305		1999
1306	return unless $self->dirty;	2000	return unless $self->dirty;
1307		2001
1308	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		2004
1311	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1312		2006
1313	return if $self->{deny_save};	2007	return if $self->{deny_save};
1314		2008
		2009	local $self->{last_access} = $self->last_access;#d#
		2010
		2011	cf::async {
		2012	$_->contr->save for $self->players;
		2013	};
		2014
1315	if ($uniq) {	2015	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	2018	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	2020	}
1321	}	2021	}
1322		2022
1323	sub swap_out {	2023	sub swap_out {
1324	my ($self) = @_;	2024	my ($self) = @_;
1325		2025
1326	# save first because save cedes	2026	# save first because save cedes
1327	$self->save;	2027	$self->save;
		2028
		2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1328		2030
1329	return if $self->players;	2031	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	2033	return if $self->{deny_save};
1332		2034
…		…
1336		2038
1337	sub reset_at {	2039	sub reset_at {
1338	my ($self) = @_;	2040	my ($self) = @_;
1339		2041
1340	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};
1342	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1343		2044
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		2047
…		…
1351	my ($self) = @_;	2052	my ($self) = @_;
1352		2053
1353	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1354	}	2055	}
1355		2056
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	2057	sub reset {
1378	my ($self) = @_;	2058	my ($self) = @_;
1379		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2061
1380	return if $self->players;	2062	return if $self->players;
1381	return if $self->{path}{user_rel};#d#
1382		2063
1383	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	}
1384		2075
1385	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1386		2079
1387	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1388		2081
1389	$self->unlink_save;	2082	$self->unlink_save;
1390	$self->destroy;	2083	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1394		2087
1395	sub nuke {	2088	sub nuke {
1396	my ($self) = @_;	2089	my ($self) = @_;
1397		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1401	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1402	}	2104	}
1403		2105
1404	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1405	my ($map, $ob) = @_;
1406		2107
1407	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1409	}	2114	[
1410		2115	map {
1411	$map	2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
1412	}	2122	}
1413		2123
1414	sub emergency_save {	2124	=item $maps = cf::map::random_maps
1415	local $cf::FREEZE = 1;
1416		2125
1417	warn "enter emergency map save\n";	2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
1418		2128
1419	cf::sync_job {	2129	=cut
1420	warn "begin emergency map save\n";
1421	$_->save for values %cf::MAP;
1422	};
1423		2130
1424	warn "end emergency map save\n";	2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
		2142	=item cf::map::unique_maps
		2143
		2144	Returns an arrayref of paths of all shared maps that have
		2145	instantiated unique items. May block.
		2146
		2147	=cut
		2148
		2149	sub unique_maps() {
		2150	[
		2151	map {
		2152	utf8::decode $_;
		2153	/\.map$/
		2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
		2157	]
1425	}	2158	}
1426		2159
1427	package cf;	2160	package cf;
1428		2161
1429	=back	2162	=back
1430		2163
		2164	=head3 cf::object
		2165
		2166	=cut
		2167
		2168	package cf::object;
		2169
		2170	=over 4
		2171
		2172	=item $ob->inv_recursive
		2173
		2174	Returns the inventory of the object _and_ their inventories, recursively.
		2175
		2176	=cut
		2177
		2178	sub inv_recursive_;
		2179	sub inv_recursive_ {
		2180	map { $_, inv_recursive_ $_->inv } @_
		2181	}
		2182
		2183	sub inv_recursive {
		2184	inv_recursive_ inv $_[0]
		2185	}
		2186
		2187	package cf;
		2188
		2189	=back
1431		2190
1432	=head3 cf::object::player	2191	=head3 cf::object::player
1433		2192
1434	=over 4	2193	=over 4
1435		2194
…		…
1449		2208
1450	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1451		2210
1452	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1453	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1454	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1455	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1456	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1457	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1458	}	2236	}
1459		2237
1460	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1461		2239
1462	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1475		2253
1476	=item $player_object->enter_link	2254	=item $player_object->enter_link
1477		2255
1478	Freezes the player and moves him/her to a special map (C<{link}>).	2256	Freezes the player and moves him/her to a special map (C<{link}>).
1479		2257
1480	The player should be reaosnably safe there for short amounts of time. You	2258	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	2259	I<MUST> call C<leave_link> as soon as possible, though.
1482		2260
		2261	Will never block.
		2262
1483	=item $player_object->leave_link ($map, $x, $y)	2263	=item $player_object->leave_link ($map, $x, $y)
1484		2264
1485	Moves the player out of the specila link map onto the given map. If the	2265	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	2266	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	2267	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	2268	fails, to the emergency map position.
1489		2269
1490	Might block.	2270	Might block.
1491		2271
1492	=cut	2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($LINK_MAP) {
		2276	$LINK_MAP = cf::map::find "{link}"
		2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2278	$LINK_MAP->load;
		2279	}
		2280
		2281	$LINK_MAP
		2282	}
1493		2283
1494	sub cf::object::player::enter_link {	2284	sub cf::object::player::enter_link {
1495	my ($self) = @_;	2285	my ($self) = @_;
1496		2286
1497	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1498		2288
1499	return if $self->map == $LINK_MAP;	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		2290
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1503		2293
1504	$self->enter_map ($LINK_MAP, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	2295	}
1506		2296
1507	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1509		2301
1510	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1511		2303
1512	unless ($map) {	2304	unless ($map) {
1513	# restore original map position	2305	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	2306	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	2307	$map = cf::map::find $map;
1516		2308
1517	unless ($map) {	2309	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	2310	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	2311	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	2312	or die "FATAL: cannot load emergency map\n";
1521	}	2313	}
1522	}	2314	}
1523		2315
1524	($x, $y) = (-1, -1)	2316	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1530		2322
1531	$map->load;	2323	$map->load;
		2324	$map->load_neighbours;
1532		2325
		2326	return unless $self->contr->active;
1533	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1535	}	2331	}
1536		2332
1537	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1538	on_logout => sub {
1539	my ($pl) = @_;
1540		2334
1541	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1542	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1543	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1544	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1545	};	2339	be called at the end of this process.
1546	}
1547	},
1548	on_login => sub {
1549	my ($pl) = @_;
1550		2340
1551	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;
1555	cf::async {
1556	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;
1560	};
1561	}
1562	},
1563	);
1564
1565	=item $player_object->goto_map ($path, $x, $y)
1566
1567	=cut	2341	=cut
1568		2342
		2343	our $GOTOGEN;
		2344
1569	sub cf::object::player::goto_map {	2345	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1571		2350
1572	$self->enter_link;	2351	$self->enter_link;
1573		2352
1574	(cf::async {	2353	(async {
1575	$path = new cf::path $path;	2354	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1578	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1579		2359	$map = $check->($map) if $check && $map;
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
1584		2363
		2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1585	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1586	})->prio (1);	2378	})->prio (1);
1587	}	2379	}
1588		2380
1589	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1590		2382
…		…
1592		2384
1593	sub parse_random_map_params {	2385	sub parse_random_map_params {
1594	my ($spec) = @_;	2386	my ($spec) = @_;
1595		2387
1596	my $rmp = { # defaults	2388	my $rmp = { # defaults
1597	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1599	};	2393	};
1600		2394
1601	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1603		2397
…		…
1607	$rmp	2401	$rmp
1608	}	2402	}
1609		2403
1610	sub prepare_random_map {	2404	sub prepare_random_map {
1611	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		2408
1613	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	2411	# that depends on the exit object
1616		2412
1617	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1618		2414
1619	if ($exit->map) {	2415	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1624	}	2420	}
1625		2421
1626	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1627		2423
1628	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1630		2427
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
1633		2432
1634	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	2434	$exit->msg (undef);
1636	}	2435	}
1637	}	2436	}
…		…
1639	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1641		2440
1642	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1643		2442
		2443	if ($exit->slaying eq "/!") {
		2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
1644	$self->enter_link;	2454	$self->enter_link;
1645		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
		2459
1646	(cf::async {	2460	(async {
		2461	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	2462	unless (eval {
1648	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		2464
1654	1;	2465	1;
1655	}) {	2466	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2469	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2471
1661	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2473	$self->leave_link;
1663	}	2474	}
1664	})->prio (1);	2475	})->prio (1);
…		…
1677		2488
1678	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1680		2491
1681	utf8::encode $text;	2492	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2494	}
1684		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1685		2592
1686	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1687		2594
1688	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		2598
1692	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	2600	become reliable at some point in the future.
1694		2601
1695	=cut	2602	=cut
1696		2603
1697	sub cf::client::query {	2604	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	2613	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		2615
1709	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1711	}	2620	}
1712		2621
1713	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1714	on_reply => sub {	2628	on_reply => sub {
1715	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1716		2630
1717	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1718	# get handled first	2632	# get handled first
1719	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2635
1722	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2638
1724	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1725		2640
1726	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2642	if (@$queue) {
…		…
1729	} else {	2644	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	2646	}
1732	}	2647	}
1733	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
1734	);	2675	);
1735		2676
1736	=item $client->coro (\&cb)	2677	=item $client->async (\&cb)
1737		2678
1738	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2680	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2681	or loss of connection).
1741		2682
1742	=cut	2683	=cut
1743		2684
1744	sub cf::client::coro {	2685	sub cf::client::async {
1745	my ($self, $cb) = @_;	2686	my ($self, $cb) = @_;
1746		2687
1747	my $coro = &cf::async ($cb);	2688	my $coro = &Coro::async ($cb);
1748		2689
1749	$coro->on_destroy (sub {	2690	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2691	delete $self->{_coro}{$coro+0};
1751	});	2692	});
1752		2693
…		…
1779	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
1781		2722
1782	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
1783		2724
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
1785		2730
1786	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
1787		2732
1788	=pod	2733	=pod
1789		2734
1790	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
1791		2736
1792	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
1793	cf::object::player player	2741	cf::object::player
1794	cf::player peaceful	2742	player
1795	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
1796		2749
1797	=cut	2750	=cut
1798		2751
1799	for (	2752	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
1801	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
1803	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
1804	) {	2759	) {
1805	no strict 'refs';	2760	no strict 'refs';
…		…
1876	=back	2831	=back
1877		2832
1878	=cut	2833	=cut
1879		2834
1880	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
1881		2837
1882	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
1883		2840
1884	Crossfire maintains a very simple database for extension use. It can	2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1885	currently store anything that can be serialised using Storable, which
1886	excludes objects.
1887		2842
1888	The parameter C<$family> should best start with the name of the extension	2843	warn "loading facedata from $path\n";
1889	using it, it should be unique.
1890		2844
1891	=over 4	2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
1892		2848
1893	=item $hashref = cf::db_get $family	2849	$facedata = Coro::Storable::thaw $facedata;
1894		2850
1895	Return a hashref for use by the extension C<$family>, which can be	2851	$facedata->{version} == 2
1896	modified. After modifications, you have to call C<cf::db_dirty> or	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
1897	C<cf::db_sync>.
1898		2853
1899	=item $value = cf::db_get $family => $key	2854	# patch in the exptable
1900		2855	$facedata->{resource}{"res/exp_table"} = {
1901	Returns a single value from the database	2856	type => FT_RSRC,
1902		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2858	};
		2859	cf::cede_to_tick;
1954		2860
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
1959		2863
1960	sub db_get($;$) {	2864	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}	2866	cf::face::set_visibility $idx, $info->{visibility};
1963	: ($DB->{$_[0]} ||= { })	2867	cf::face::set_magicmap $idx, $info->{magicmap};
1964	}	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1965		2870
1966	sub db_put($$;$) {	2871	cf::cede_to_tick;
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2872	}
1980	);
1981	}
1982		2873
1983	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
1985		2884
1986	sub cfg_load {	2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
		2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
1988	or return;	3008	or return;
1989		3009
1990	local $/;	3010	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
1992		3012
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		3014
		3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3017
1995	if (exists $CFG{mlockall}) {	3018	if (exists $CFG{mlockall}) {
1996	eval {	3019	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3020	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3021	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3022	};
2000	warn $@ if $@;	3023	warn $@ if $@;
2001	}	3024	}
2002	}	3025	}
2003		3026
2004	sub main {	3027	sub main {
2005	# we must not ever block the main coroutine	3028	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3029	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	3031	(async {
2009	Event::one_event;	3032	Event::one_event;
2010	})->();	3033	})->prio (Coro::PRIO_MAX);
2011	};	3034	};
2012		3035
2013	cfg_load;	3036	reload_config;
2014	db_load;	3037	db_init;
2015	load_extensions;	3038	load_extensions;
		3039
		3040	$TICK_WATCHER->start;
2016	Event::loop;	3041	Event::loop;
2017	}	3042	}
2018		3043
2019	#############################################################################	3044	#############################################################################
2020	# initialisation	3045	# initialisation and cleanup
2021		3046
		3047	# install some emergency cleanup handlers
		3048	BEGIN {
		3049	for my $signal (qw(INT HUP TERM)) {
		3050	Event->signal (
		3051	reentrant => 0,
		3052	data => WF_AUTOCANCEL,
		3053	signal => $signal,
		3054	prio => 0,
		3055	cb => sub {
		3056	cf::cleanup "SIG$signal";
		3057	},
		3058	);
		3059	}
		3060	}
		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
		3100	sub emergency_save() {
		3101	my $freeze_guard = cf::freeze_mainloop;
		3102
		3103	warn "enter emergency perl save\n";
		3104
		3105	cf::sync_job {
		3106	# use a peculiar iteration method to avoid tripping on perl
		3107	# refcount bugs in for. also avoids problems with players
		3108	# and maps saved/destroyed asynchronously.
		3109	warn "begin emergency player save\n";
		3110	for my $login (keys %cf::PLAYER) {
		3111	my $pl = $cf::PLAYER{$login} or next;
		3112	$pl->valid or next;
		3113	$pl->save;
		3114	}
		3115	warn "end emergency player save\n";
		3116
		3117	warn "begin emergency map save\n";
		3118	for my $path (keys %cf::MAP) {
		3119	my $map = $cf::MAP{$path} or next;
		3120	$map->valid or next;
		3121	$map->save;
		3122	}
		3123	warn "end emergency map save\n";
		3124
		3125	warn "begin emergency database checkpoint\n";
		3126	BDB::db_env_txn_checkpoint $DB_ENV;
		3127	warn "end emergency database checkpoint\n";
		3128	};
		3129
		3130	warn "leave emergency perl save\n";
		3131	}
		3132
		3133	sub post_cleanup {
		3134	my ($make_core) = @_;
		3135
		3136	warn Carp::longmess "post_cleanup backtrace"
		3137	if $make_core;
		3138	}
		3139
2022	sub reload() {	3140	sub do_reload_perl() {
2023	# can/must only be called in main	3141	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	3143	warn "can only reload from main coroutine";
2026	return;	3144	return;
2027	}	3145	}
2028		3146
2029	warn "reloading...";	3147	warn "reloading...";
2030		3148
2031	local $FREEZE = 1;	3149	warn "entering sync_job";
		3150
		3151	cf::sync_job {
		3152	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	3153	cf::emergency_save;
		3154	cf::write_runtime; # external watchdog should not bark
2033		3155
2034	eval {	3156	warn "syncing database to disk";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158
2035	# if anything goes wrong in here, we should simply crash as we already saved	3159	# if anything goes wrong in here, we should simply crash as we already saved
2036		3160
2037	# cancel all watchers	3161	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	3162	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	3163	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	3164	}
2041		3165
		3166	warn "flushing outstanding aio requests";
		3167	for (;;) {
		3168	BDB::flush;
		3169	IO::AIO::flush;
		3170	Coro::cede;
		3171	last unless IO::AIO::nreqs || BDB::nreqs;
		3172	warn "iterate...";
		3173	}
		3174
		3175	++$RELOAD;
		3176
2042	# cancel all extension coros	3177	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	3179	%EXT_CORO = ();
2045		3180
2046	# unload all extensions	3181	warn "removing commands";
2047	for (@exts) {	3182	%COMMAND = ();
		3183
		3184	warn "removing ext/exti commands";
		3185	%EXTCMD = ();
		3186	%EXTICMD = ();
		3187
		3188	warn "unloading/nuking all extensions";
		3189	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	3190	warn "... unloading $pkg";
2049	unload_extension $_;	3191
		3192	if (my $cb = $pkg->can ("unload")) {
		3193	eval {
		3194	$cb->($pkg);
		3195	1
		3196	} or warn "$pkg unloaded, but with errors: $@";
2050	}	3197	}
2051		3198
		3199	warn "... nuking $pkg";
		3200	Symbol::delete_package $pkg;
		3201	}
		3202
2052	# unload all modules loaded from $LIBDIR	3203	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	3204	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		3206
2056	warn "removing <$k>";	3207	warn "... unloading $k";
2057	delete $INC{$k};	3208	delete $INC{$k};
2058		3209
2059	$k =~ s/\.pm$//;	3210	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	3211	$k =~ s/\//::/g;
2061		3212
…		…
2064	}	3215	}
2065		3216
2066	Symbol::delete_package $k;	3217	Symbol::delete_package $k;
2067	}	3218	}
2068		3219
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	3220	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3223
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	3224	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
2082		3227
2083	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3229	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
2086		3231
2087	# reload cf.pm	3232	warn "unload completed, starting to reload now";
		3233
2088	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2089	require cf;	3235	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		3237
2092	# load config and database again	3238	warn "loading config and database again";
2093	cf::cfg_load;	3239	cf::reload_config;
2094	cf::db_load;
2095		3240
2096	# load extensions
2097	warn "load extensions";	3241	warn "loading extensions";
2098	cf::load_extensions;	3242	cf::load_extensions;
2099		3243
2100	# reattach attachments to objects	3244	warn "reattaching attachments to objects/players";
2101	warn "reattach";	3245	_global_reattach; # objects, sockets
2102	_global_reattach;	3246	warn "reattaching attachments to maps";
2103	};	3247	reattach $_ for values %MAP;
		3248	warn "reattaching attachments to players";
		3249	reattach $_ for values %PLAYER;
2104		3250
2105	if ($@) {	3251	warn "leaving sync_job";
		3252
		3253	1
		3254	} or do {
2106	warn $@;	3255	warn $@;
2107	warn "error while reloading, exiting.";	3256	warn "error while reloading, exiting.";
2108	exit 1;	3257	exit 1;
2109	}	3258	};
2110		3259
2111	warn "reloaded successfully";	3260	warn "reloaded";
2112	};	3261	};
2113		3262
2114	#############################################################################	3263	our $RELOAD_WATCHER; # used only during reload
2115		3264
2116	unless ($LINK_MAP) {	3265	sub reload_perl() {
2117	$LINK_MAP = cf::map::new;	3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
2118		3268
2119	$LINK_MAP->width (41);	3269	$RELOAD_WATCHER ||= Event->timer (
2120	$LINK_MAP->height (41);	3270	reentrant => 0,
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,	3271	after => 0,
		3272	data => WF_AUTOCANCEL,
2129	cb => sub {	3273	cb => sub {
2130	$_[0]->w->cancel;	3274	do_reload_perl;
2131		3275	undef $RELOAD_WATCHER;
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});	3276	},
2150		3277	);
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	3278	}
2156
2157	register "<global>", __PACKAGE__;
2158		3279
2159	register_command "reload" => sub {	3280	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
2161		3282
2162	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	3284	$who->message ("reloading server.");
		3285	async { reload_perl };
2166	}	3286	}
2167	};	3287	};
2168		3288
2169	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
2170		3290
		3291	my $bug_warning = 0;
		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2171	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	3317	reentrant => 0,
		3318	parked => 1,
2173	prio => 0,	3319	prio => 0,
2174	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	3321	data => WF_AUTOCANCEL,
2176	cb => sub {	3322	cb => sub {
2177	unless ($FREEZE) {	3323	if ($Coro::current != $Coro::main) {
		3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3325	unless ++$bug_warning > 10;
		3326	return;
		3327	}
		3328
		3329	$NOW = $tick_start = Event::time;
		3330
2178	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2180	}	3354	};
2181		3355
		3356	$RUNTIME += $TICK;
2182	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2183		3358
		3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3361	Coro::async_pool {
		3362	write_runtime
		3363	or warn "ERROR: unable to write runtime file: $!";
		3364	};
		3365	}
		3366
		3367	# my $AFTER = Event::time;
		3368	# warn $AFTER - $NOW;#d#
		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
		3378
2184	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2186		3381
2187	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
2189	},	3391	},
2190	);	3392	);
2191		3393
		3394	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	3395	BDB::max_poll_time $TICK * 0.1;
2193		3396	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	3397	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	3398	fd => BDB::poll_fileno,
2196	poll => 'r',	3399	poll => 'r',
2197	prio => 5,	3400	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	3401	data => WF_AUTOCANCEL,
2204	after => 0,	3402	cb => \&BDB::poll_cb,
2205	interval => 10,	3403	);
2206	cb => sub {	3404	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	3405
2208	write_runtime	3406	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	3407	my $status;
		3408	my $current = $Coro::current;
		3409	(
		3410	sub {
		3411	$status = $!;
		3412	$current->ready; undef $current;
		3413	},
		3414	sub {
		3415	Coro::schedule while defined $current;
		3416	$! = $status;
		3417	},
		3418	)
		3419	};
		3420
		3421	unless ($DB_ENV) {
		3422	$DB_ENV = BDB::db_env_create;
		3423
		3424	cf::sync_job {
		3425	eval {
		3426	BDB::db_env_open
		3427	$DB_ENV,
		3428	$BDBDIR,
		3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3431	0666;
		3432
		3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3434
		3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3436	$DB_ENV->set_lk_detect;
		3437	};
		3438
		3439	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	3440	};
2211	},	3441	}
2212	);	3442	}
		3443
		3444	{
		3445	IO::AIO::min_parallel 8;
		3446
		3447	undef $Coro::AIO::WATCHER;
		3448	IO::AIO::max_poll_time $TICK * 0.1;
		3449	$AIO_POLL_WATCHER = Event->io (
		3450	reentrant => 0,
		3451	data => WF_AUTOCANCEL,
		3452	fd => IO::AIO::poll_fileno,
		3453	poll => 'r',
		3454	prio => 6,
		3455	cb => \&IO::AIO::poll_cb,
		3456	);
		3457	}
		3458
		3459	my $_log_backtrace;
		3460
		3461	sub _log_backtrace {
		3462	my ($msg, @addr) = @_;
		3463
		3464	$msg =~ s/\n//;
		3465
		3466	# limit the # of concurrent backtraces
		3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
		3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
		3494	}
		3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
2213		3499
2214	END { cf::emergency_save }	3500	END { cf::emergency_save }
2215		3501
2216	1	3502	1
2217		3503

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