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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.348 by root, Thu Aug 30 08:34:40 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	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	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	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		262
186	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
187		264	sub from_json ($) { $json_coder->decode ($_[0]) }
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207		265
208	=item cf::lock_wait $string	266	=item cf::lock_wait $string
209		267
210	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
211		269
212	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
213		271
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
217	returned.	275	returned.
218		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
219	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
220	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.
221		286
222	=cut	287	=cut
223		288
224	our %LOCK;	289	our %LOCK;
225		290
…		…
239	# wait, to be sure we are not locked	304	# wait, to be sure we are not locked
240	lock_wait $key;	305	lock_wait $key;
241		306
242	$LOCK{$key} = [];	307	$LOCK{$key} = [];
243		308
244	cf::guard {	309	Coro::guard {
245	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
247	}	312	}
248	}	313	}
249		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
250	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
251		388
252	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
253	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.
254		392
255	=cut	393	=cut
256		394
257	sub async(&) {	395	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		396
266	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
267		398
268	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)
269	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
270	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.
271		403
272	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
273	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
274	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
275	fast or be very important.	407	fast or be very important.
…		…
278		410
279	sub sync_job(&) {	411	sub sync_job(&) {
280	my ($job) = @_;	412	my ($job) = @_;
281		413
282	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
283	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
285		419
286	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	421	# (but this is cancel-safe)
288	local $FREEZE = 1;	422	my $freeze_guard = freeze_mainloop;
289		423
290	my $busy = 1;	424	my $busy = 1;
291	my @res;	425	my @res;
292		426
293	(Coro::async {	427	(async {
294	@res = eval { $job->() };	428	@res = eval { $job->() };
295	warn $@ if $@;	429	warn $@ if $@;
296	undef $busy;	430	undef $busy;
297	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
298		432
299	while ($busy) {	433	while ($busy) {
300	Coro::cede_notself;	434	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	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
303		443
304	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
305	} else {	445	} else {
306	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
307		447
308	$job->()	448	$job->()
309	}	449	}
310	}	450	}
311		451
312	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
313		453
314	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
316		456
317	=cut	457	=cut
318		458
319	sub coro(&) {	459	sub async_ext(&) {
320	my $cb = shift;	460	my $cb = shift;
321		461
322	my $coro = &cf::async ($cb);	462	my $coro = &Coro::async ($cb);
323		463
324	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
326	});	466	});
327	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
328		468
329	$coro	469	$coro
330	}	470	}
331		471
332	sub write_runtime {	472	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		473
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
336	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
337		478
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		480
342	aio_fsync $fh	481	sub fork_call(&@) {
343	and return;	482	my ($cb, @args) = @_;
344		483
345	close $fh	484	# we seemingly have to make a local copy of the whole thing,
346	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
347		487
348	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
349	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
350		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
351	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	621	}
353		622
354	=back	623	=back
355		624
356	=cut	625	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		626
478	#############################################################################	627	#############################################################################
479		628
480	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
481		630
…		…
483	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")
484	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
485		634
486	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>
487	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
488	crossfire+).	637	Crossfire TRT).
489		638
490	=over 4	639	=over 4
491		640
492	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
493		642
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	757	our @CB_MAP = ();
609		758
610	my %attachment;	759	my %attachment;
611		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
612	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
614		769
615	use sort 'stable';	770	use sort 'stable';
616		771
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
651		806
652	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		811
657	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	813	my $pkg = shift @arg;
659		814
660	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
690	}	845	}
691		846
692	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
693	} else {	848	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	850	}
696		851
697	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
698	}	853	}
699		854
…		…
701	if (ref $_[0]) {	856	if (ref $_[0]) {
702	_object_attach @_;	857	_object_attach @_;
703	} else {	858	} else {
704	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
705	}	860	}
		861	_recalc_want;
706	};	862	};
707		863
708	# all those should be optimised	864	# all those should be optimised
709	sub cf::attachable::detach {	865	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
714	reattach ($obj);	870	reattach ($obj);
715	} else {	871	} else {
716	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
717	}	873	}
		874	_recalc_want;
718	};	875	};
719		876
720	sub cf::attachable::attached {	877	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
722		879
…		…
737	";	894	";
738	die if $@;	895	die if $@;
739	}	896	}
740		897
741	our $override;	898	our $override;
742	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?
743		900
744	sub override {	901	sub override {
745	$override = 1;	902	$override = 1;
746	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
747	}	904	}
748		905
749	sub do_invoke {	906	sub do_invoke {
750	my $event = shift;	907	my $event = shift;
751	my $callbacks = shift;	908	my $callbacks = shift;
752		909
753	@invoke_results = ();	910	@INVOKE_RESULTS = ();
754		911
755	local $override;	912	local $override;
756		913
757	for (@$callbacks) {	914	for (@$callbacks) {
758	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
775		932
776	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
777		934
778	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
779	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
780	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		938
782	=back	939	=back
783		940
784	=cut	941	=cut
785		942
786	#############################################################################	943	#############################################################################
787	# 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	}
788		956
789	sub reattach {	957	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		962
793	my $registry = $obj->registry;	963	my $registry = $obj->registry;
794		964
795	@$registry = ();	965	@$registry = ();
796		966
…		…
843	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
844		1014
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	1019	close $fh;
850		1020
851	if (@$objs) {	1021	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	1027	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
859	}	1029	}
860	} else {	1030	} else {
861	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
893	or return;	1063	or return;
894	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
895	}	1065	}
896		1066
897	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
899	return ($data, $av);	1069	return ($data, $av);
900	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
901		1077
902	#############################################################################	1078	#############################################################################
903	# command handling &c	1079	# command handling &c
904		1080
905	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1095	}
920		1096
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1098
923	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.
924		1104
925	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
926	called.	1106	called.
927		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
928	=cut	1119	=cut
929		1120
930	sub register_extcmd {	1121	sub register_extcmd {
931	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
932		1123
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
937	}	1131	}
938		1132
939	cf::player->attach (	1133	cf::player->attach (
940	on_command => sub {	1134	on_command => sub {
941	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
950	cf::override;	1144	cf::override;
951	},	1145	},
952	on_extcmd => sub {	1146	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
954		1148
955	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1150
957	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
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
963	} else {	1166	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1168	}
966		1169
967	cf::override;	1170	cf::override;
968	},	1171	},
969	);	1172	);
970		1173
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	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($) {
978	my ($path) = @_;	1546	my ($path) = @_;
979		1547
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1548	my ($match, $specificity);
981	my $base = $1;
982	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985		1549
986	warn "loading '$path' into '$pkg'\n";	1550	for my $region (list) {
987		1551	if ($region->{match} && $path =~ $region->{match}) {
988	open my $fh, "<:utf8", $path	1552	($match, $specificity) = ($region, $region->specificity)
989	or die "$path: $!";	1553	if $region->specificity > $specificity;
990		1554	}
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	1555	}
1020		1556
1021	# remove commands	1557	$match
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}
1046
1047	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;
1050	eval {
1051	load_extension $ext;
1052	1
1053	} or warn "$ext not loaded: $@";
1054	}
1055	}
1056
1057	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094
1095	=head2 CORE EXTENSIONS
1096
1097	Functions and methods that extend core crossfire objects.
1098
1099	=head3 cf::player
1100
1101	=over 4
1102
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut
1108
1109	sub cf::player::exists($) {
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115
1116	Sends an ext reply to the player.
1117
1118	=cut
1119
1120	sub cf::player::ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;
1122
1123	$msg{msgid} = $id;
1124
1125	$self->send ("ext " . to_json \%msg);
1126	}	1558	}
1127		1559
1128	=back	1560	=back
1129
1130		1561
1131	=head3 cf::map	1562	=head3 cf::map
1132		1563
1133	=over 4	1564	=over 4
1134		1565
…		…
1137	package cf::map;	1568	package cf::map;
1138		1569
1139	use Fcntl;	1570	use Fcntl;
1140	use Coro::AIO;	1571	use Coro::AIO;
1141		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1142	our $MAX_RESET = 7200;	1577	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1578	our $DEFAULT_RESET = 3000;
1144		1579
1145	sub generate_random_map {	1580	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1583	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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"
1162	}	1723	}
1163		1724
1164	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1165	# all maps in C++...	1726	# all maps in C++...
1166	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1168		1729
1169	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1171	}	1732	}
1172		1733
		1734	sub decay_objects {
		1735	my ($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
1173	sub try_load_header($) {	1750	sub load_header_from($) {
1174	my ($path) = @_;	1751	my ($self, $path) = @_;
1175		1752
1176	utf8::encode $path;	1753	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1178	or return;	1758	or return;
1179		1759
1180	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
1181	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1182		1806
1183	$map->load_header ($path)	1807	$self->{deny_reset} = 1
1184	or return;	1808	if $self->no_reset;
1185		1809
1186	$map->{load_path} = $path;	1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1187		1812
1188	$map	1813	1
1189	}	1814	}
1190		1815
1191	sub find_map;	1816	sub find;
1192	sub find_map {	1817	sub find {
1193	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1194		1819
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1821
1200	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1201		1823
1202	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1204		1826	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1827	or return;
1220		1828
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1830
1234	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;
1235	$map->reset;	1837	$map->reset;
1236	undef $guard;	1838	undef $guard;
1237	$map = find_map $path	1839	return find $path;
1238	or return;
1239	}	1840	}
1240		1841
1241	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1242	}	1843	}
1243	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1244		1848
1245	sub load {	1849	sub load {
1246	my ($self) = @_;	1850	my ($self) = @_;
1247		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1248	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1250		1859
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1861
1253	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1254		1863
1255	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1256	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1870	or return;
1258		1871
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1873	if delete $self->{load_original};
1261		1874
1262	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1876	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1878	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1267	}	1880	}
1268	}	1881	}
1269		1882
		1883	cf::cede_to_tick;
1270	# now do the right thing for maps	1884	# now do the right thing for maps
1271	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1282	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;
1283	$self->activate;	1897	$self->activate;
1284	}	1898	}
1285		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1904	}
1288		1905
1289	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	$neigh->load;
		1944	}
		1945	}
		1946
		1947	sub find_sync {
1290	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1291		1949
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1950	cf::sync_job { find $path, $origin }
		1951	}
1293		1952
1294	cf::sync_job {	1953	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1954	my ($map) = @_;
1296	or return;	1955
1297	$map->load;	1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1298	$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;
1299	}	1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1300	}	1991	}
1301		1992
1302	sub save {	1993	sub save {
1303	my ($self) = @_;	1994	my ($self) = @_;
1304		1995
		1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1997
1305	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1306		1999
1307	return unless $self->dirty;	2000	return unless $self->dirty;
1308		2001
1309	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		2004
1312	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1313		2006
1314	return if $self->{deny_save};	2007	return if $self->{deny_save};
1315		2008
		2009	local $self->{last_access} = $self->last_access;#d#
		2010
		2011	cf::async {
		2012	$_->contr->save for $self->players;
		2013	};
		2014
1316	if ($uniq) {	2015	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2018	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2020	}
1322	}	2021	}
1323		2022
1324	sub swap_out {	2023	sub swap_out {
1325	my ($self) = @_;	2024	my ($self) = @_;
		2025
		2026	# save first because save cedes
		2027	$self->save;
		2028
		2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1326		2030
1327	return if $self->players;	2031	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	2033	return if $self->{deny_save};
1330		2034
1331	$self->save;
1332	$self->clear;	2035	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	2036	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2037	}
1335		2038
1336	sub reset_at {	2039	sub reset_at {
1337	my ($self) = @_;	2040	my ($self) = @_;
1338		2041
1339	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1342		2044
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2047
…		…
1350	my ($self) = @_;	2052	my ($self) = @_;
1351		2053
1352	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1353	}	2055	}
1354		2056
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2057	sub reset {
1377	my ($self) = @_;	2058	my ($self) = @_;
1378		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2061
1379	return if $self->players;	2062	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2063
1382	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	}
1383		2075
1384	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1385		2079
1386	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1387		2081
1388	$self->unlink_save;	2082	$self->unlink_save;
1389	$self->destroy;	2083	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1393		2087
1394	sub nuke {	2088	sub nuke {
1395	my ($self) = @_;	2089	my ($self) = @_;
1396		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1400	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1401	}	2104	}
1402		2105
1403	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2107
1406	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1408	}	2114	[
1409		2115	map {
1410	$map	2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
1411	}	2122	}
1412		2123
1413	sub emergency_save {	2124	=item $maps = cf::map::random_maps
1414	local $cf::FREEZE = 1;
1415		2125
1416	warn "enter emergency map save\n";	2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
1417		2128
1418	cf::sync_job {	2129	=cut
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422		2130
1423	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	]
1424	}	2158	}
1425		2159
1426	package cf;	2160	package cf;
1427		2161
1428	=back	2162	=back
1429		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
1430		2190
1431	=head3 cf::object::player	2191	=head3 cf::object::player
1432		2192
1433	=over 4	2193	=over 4
1434		2194
…		…
1448		2208
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2210
1451	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1453	} 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 {
1454	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1456	}	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 (@_);
1457	}	2236	}
1458		2237
1459	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1460		2239
1461	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1474		2253
1475	=item $player_object->enter_link	2254	=item $player_object->enter_link
1476		2255
1477	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}>).
1478		2257
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	2259	I<MUST> call C<leave_link> as soon as possible, though.
1481		2260
		2261	Will never block.
		2262
1482	=item $player_object->leave_link ($map, $x, $y)	2263	=item $player_object->leave_link ($map, $x, $y)
1483		2264
1484	Moves the player out of the specila link map onto the given map. If the	2265	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2266	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2267	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2268	fails, to the emergency map position.
1488		2269
1489	Might block.	2270	Might block.
1490		2271
1491	=cut	2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($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	$LINK_MAP
		2282	}
1492		2283
1493	sub cf::object::player::enter_link {	2284	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2285	my ($self) = @_;
1495		2286
1496	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1497		2288
1498	return if $self->map == $LINK_MAP;	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2290
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1502		2293
1503	$self->enter_map ($LINK_MAP, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2295	}
1505		2296
1506	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1508		2301
1509	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1510		2303
1511	unless ($map) {	2304	unless ($map) {
1512	# restore original map position	2305	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	2306	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	2307	$map = cf::map::find $map;
1515		2308
1516	unless ($map) {	2309	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	2310	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	2311	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	2312	or die "FATAL: cannot load emergency map\n";
1520	}	2313	}
1521	}	2314	}
1522		2315
1523	($x, $y) = (-1, -1)	2316	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1529		2322
1530	$map->load;	2323	$map->load;
		2324	$map->load_neighbours;
1531		2325
		2326	return unless $self->contr->active;
1532	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1534	}	2331	}
1535		2332
1536	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2334
1540	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1544	};	2339	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2340
1550	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2341	=cut
1567		2342
		2343	our $GOTOGEN;
		2344
1568	sub cf::object::player::goto_map {	2345	sub cf::object::player::goto {
1569	my ($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;
1570		2350
1571	$self->enter_link;	2351	$self->enter_link;
1572		2352
1573	(cf::async {	2353	(async {
1574	$path = new cf::path $path;	2354	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1578		2359	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1580	# if $map;
1581
1582	$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	}
1583		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};
1584	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1585	})->prio (1);	2378	})->prio (1);
1586	}	2379	}
1587		2380
1588	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1589		2382
…		…
1591		2384
1592	sub parse_random_map_params {	2385	sub parse_random_map_params {
1593	my ($spec) = @_;	2386	my ($spec) = @_;
1594		2387
1595	my $rmp = { # defaults	2388	my $rmp = { # defaults
1596	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1598	};	2393	};
1599		2394
1600	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1602		2397
…		…
1606	$rmp	2401	$rmp
1607	}	2402	}
1608		2403
1609	sub prepare_random_map {	2404	sub prepare_random_map {
1610	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		2408
1612	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	2411	# that depends on the exit object
1615		2412
1616	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1617		2414
1618	if ($exit->map) {	2415	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1623	}	2420	}
1624		2421
1625	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1626		2423
1627	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1629		2427
1630	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) {
1631	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;
1632		2432
1633	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2434	$exit->msg (undef);
1635	}	2435	}
1636	}	2436	}
…		…
1638	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1640		2440
1641	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1642		2442
		2443	if ($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
1643	$self->enter_link;	2454	$self->enter_link;
1644		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
1645	(cf::async {	2460	(async {
		2461	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	2462	unless (eval {
1647	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		2464
1653	1;	2465	1;
1654	}) {	2466	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	2469	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2471
1660	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2473	$self->leave_link;
1662	}	2474	}
1663	})->prio (1);	2475	})->prio (1);
…		…
1676		2488
1677	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1679		2491
1680	utf8::encode $text;	2492	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2494	}
1683		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	}
1684		2592
1685	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1686		2594
1687	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1688	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>,
1689	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>.
1690		2598
1691	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
1692	reliable at some point in the future.	2600	become reliable at some point in the future.
1693		2601
1694	=cut	2602	=cut
1695		2603
1696	sub cf::client::query {	2604	sub cf::client::query {
1697	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1705	utf8::encode $text;	2613	utf8::encode $text;
1706	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707		2615
1708	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1709	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1710	}	2620	}
1711		2621
1712	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1713	on_reply => sub {	2628	on_reply => sub {
1714	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1715		2630
1716	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1717	# get handled first	2632	# get handled first
1718	my $queue = delete $ns->{query_queue};	2633	my $queue = delete $ns->{query_queue}
		2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		2635
1720	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		2638
1722	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1723		2640
1724	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	2642	if (@$queue) {
…		…
1727	} else {	2644	} else {
1728	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1729	}	2646	}
1730	}	2647	}
1731	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($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	},
1732	);	2675	);
1733		2676
1734	=item $client->coro (\&cb)	2677	=item $client->async (\&cb)
1735		2678
1736	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	2680	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	2681	or loss of connection).
1739		2682
1740	=cut	2683	=cut
1741		2684
1742	sub cf::client::coro {	2685	sub cf::client::async {
1743	my ($self, $cb) = @_;	2686	my ($self, $cb) = @_;
1744		2687
1745	my $coro = &cf::async ($cb);	2688	my $coro = &Coro::async ($cb);
1746		2689
1747	$coro->on_destroy (sub {	2690	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	2691	delete $self->{_coro}{$coro+0};
1749	});	2692	});
1750		2693
…		…
1777	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
1778	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
1779		2722
1780	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
1781		2724
1782	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
1783		2730
1784	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
1785		2732
1786	=pod	2733	=pod
1787		2734
1788	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
1789		2736
1790	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
1791	cf::object::player player	2741	cf::object::player
1792	cf::player peaceful	2742	player
1793	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
1794		2749
1795	=cut	2750	=cut
1796		2751
1797	for (	2752	for (
1798	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
1799	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
1800	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
1801	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
1802	) {	2759	) {
1803	no strict 'refs';	2760	no strict 'refs';
…		…
1874	=back	2831	=back
1875		2832
1876	=cut	2833	=cut
1877		2834
1878	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
1879		2837
1880	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
1881		2840
1882	Crossfire maintains a very simple database for extension use. It can	2841	# HACK to clear player env face cache, we need some signal framework
1883	currently store anything that can be serialised using Storable, which	2842	# for this (global event?)
1884	excludes objects.	2843	%ext::player_env::MUSIC_FACE_CACHE = ();
1885		2844
1886	The parameter C<$family> should best start with the name of the extension	2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1887	using it, it should be unique.
1888		2846
1889	=over 4	2847	warn "loading facedata from $path\n";
1890		2848
1891	=item $hashref = cf::db_get $family	2849	my $facedata;
		2850	0 < aio_load $path, $facedata
		2851	or die "$path: $!";
1892		2852
1893	Return a hashref for use by the extension C<$family>, which can be	2853	$facedata = Coro::Storable::thaw $facedata;
1894	modified. After modifications, you have to call C<cf::db_dirty> or
1895	C<cf::db_sync>.
1896		2854
1897	=item $value = cf::db_get $family => $key	2855	$facedata->{version} == 2
		2856	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		2857
1899	Returns a single value from the database	2858	# patch in the exptable
1900		2859	$facedata->{resource}{"res/exp_table"} = {
1901	=item cf::db_put $family => $hashref	2860	type => FT_RSRC,
1902		2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1903	Stores the given family hashref into the database. Updates are delayed, if
1904	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1905
1906	=item cf::db_put $family => $key => $value
1907
1908	Stores the given C<$value> in the family hash. Updates are delayed, if you
1909	want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911	=item cf::db_dirty
1912
1913	Marks the database as dirty, to be updated at a later time.
1914
1915	=item cf::db_sync
1916
1917	Immediately write the database to disk I<if it is dirty>.
1918
1919	=cut
1920
1921	our $DB;
1922
1923	{
1924	my $path = cf::localdir . "/database.pst";
1925
1926	sub db_load() {
1927	$DB = stat $path ? Storable::retrieve $path : { };
1928	}
1929
1930	my $pid;
1931
1932	sub db_save() {
1933	waitpid $pid, 0 if $pid;
1934	if (0 == ($pid = fork)) {
1935	$DB->{_meta}{version} = 1;
1936	Storable::nstore $DB, "$path~";
1937	rename "$path~", $path;
1938	cf::_exit 0 if defined $pid;
1939	}
1940	}
1941
1942	my $dirty;
1943
1944	sub db_sync() {
1945	db_save if $dirty;
1946	undef $dirty;
1947	}
1948
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;
1951	});	2862	};
		2863	cf::cede_to_tick;
1952		2864
1953	sub db_dirty() {
1954	$dirty = 1;
1955	$idle->start;
1956	}	2865	{
		2866	my $faces = $facedata->{faceinfo};
1957		2867
1958	sub db_get($;$) {	2868	while (my ($face, $info) = each %$faces) {
1959	@_ >= 2	2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1960	? $DB->{$_[0]}{$_[1]}	2870	cf::face::set_visibility $idx, $info->{visibility};
1961	: ($DB->{$_[0]} ||= { })	2871	cf::face::set_magicmap $idx, $info->{magicmap};
1962	}	2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1963		2874
1964	sub db_put($$;$) {	2875	cf::cede_to_tick;
1965	if (@_ >= 3) {
1966	$DB->{$_[0]}{$_[1]} = $_[2];
1967	} else {
1968	$DB->{$_[0]} = $_[1];
1969	}
1970	db_dirty;
1971	}
1972
1973	cf::global->attach (
1974	prio => 10000,
1975	on_cleanup => sub {
1976	db_sync;
1977	},	2876	}
1978	);
1979	}
1980		2877
1981	#############################################################################	2878	while (my ($face, $info) = each %$faces) {
1982	# the server's main()	2879	next unless $info->{smooth};
		2880	my $idx = cf::face::find $face
		2881	or next;
		2882	if (my $smooth = cf::face::find $info->{smooth}) {
		2883	cf::face::set_smooth $idx, $smooth;
		2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2885	} else {
		2886	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2887	}
1983		2888
1984	sub cfg_load {	2889	cf::cede_to_tick;
		2890	}
		2891	}
		2892
		2893	{
		2894	my $anims = $facedata->{animinfo};
		2895
		2896	while (my ($anim, $info) = each %$anims) {
		2897	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	cf::anim::invalidate_all; # d'oh
		2902	}
		2903
		2904	{
		2905	# TODO: for gcfclient pleasure, we should give resources
		2906	# that gcfclient doesn't grok a >10000 face index.
		2907	my $res = $facedata->{resource};
		2908
		2909	my $soundconf = delete $res->{"res/sound.conf"};
		2910
		2911	while (my ($name, $info) = each %$res) {
		2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2913	my $data;
		2914
		2915	if ($info->{type} & 1) {
		2916	# prepend meta info
		2917
		2918	my $meta = $enc->encode ({
		2919	name => $name,
		2920	%{ $info->{meta} || {} },
		2921	});
		2922
		2923	$data = pack "(w/a*)*", $meta, $info->{data};
		2924	} else {
		2925	$data = $info->{data};
		2926	}
		2927
		2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2929	cf::face::set_type $idx, $info->{type};
		2930
		2931	cf::cede_to_tick;
		2932	}
		2933
		2934	if ($soundconf) {
		2935	$soundconf = $enc->decode (delete $soundconf->{data});
		2936
		2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2938	my $sound = $soundconf->{compat}[$_]
		2939	or next;
		2940
		2941	my $face = cf::face::find "sound/$sound->[1]";
		2942	cf::sound::set $sound->[0] => $face;
		2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2944	}
		2945
		2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2947	my $face = cf::face::find "sound/$v";
		2948	cf::sound::set $k => $face;
		2949	}
		2950	}
		2951	}
		2952
		2953	1
		2954	}
		2955
		2956	register_exticmd fx_want => sub {
		2957	my ($ns, $want) = @_;
		2958
		2959	while (my ($k, $v) = each %$want) {
		2960	$ns->fx_want ($k, $v);
		2961	}
		2962	};
		2963
		2964	sub reload_regions {
		2965	# HACK to clear player env face cache, we need some signal framework
		2966	# for this (global event?)
		2967	%ext::player_env::MUSIC_FACE_CACHE = ();
		2968
		2969	load_resource_file "$MAPDIR/regions"
		2970	or die "unable to load regions file\n";
		2971
		2972	for (cf::region::list) {
		2973	$_->{match} = qr/$_->{match}/
		2974	if exists $_->{match};
		2975	}
		2976	}
		2977
		2978	sub reload_facedata {
		2979	load_facedata "$DATADIR/facedata"
		2980	or die "unable to load facedata\n";
		2981	}
		2982
		2983	sub reload_archetypes {
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	#d# NEED to laod twice to resolve forward references
		2987	# this really needs to be done in an extra post-pass
		2988	# (which needs to be synchronous, so solve it differently)
		2989	load_resource_file "$DATADIR/archetypes"
		2990	or die "unable to load archetypes\n";
		2991	}
		2992
		2993	sub reload_treasures {
		2994	load_resource_file "$DATADIR/treasures"
		2995	or die "unable to load treasurelists\n";
		2996	}
		2997
		2998	sub reload_resources {
		2999	warn "reloading resource files...\n";
		3000
		3001	reload_regions;
		3002	reload_facedata;
		3003	#reload_archetypes;#d#
		3004	reload_archetypes;
		3005	reload_treasures;
		3006
		3007	warn "finished reloading resource files\n";
		3008	}
		3009
		3010	sub init {
		3011	reload_resources;
		3012	}
		3013
		3014	sub reload_config {
1985	open my $fh, "<:utf8", cf::confdir . "/config"	3015	open my $fh, "<:utf8", "$CONFDIR/config"
1986	or return;	3016	or return;
1987		3017
1988	local $/;	3018	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	3019	*CFG = YAML::Syck::Load <$fh>;
		3020
		3021	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3022
		3023	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3024	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3025
		3026	if (exists $CFG{mlockall}) {
		3027	eval {
		3028	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3029	and die "WARNING: m(un)lockall failed: $!\n";
		3030	};
		3031	warn $@ if $@;
		3032	}
1990	}	3033	}
1991		3034
1992	sub main {	3035	sub main {
1993	# we must not ever block the main coroutine	3036	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	3037	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3038	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	3039	(async {
1997	Event::one_event;	3040	Event::one_event;
1998	})->();	3041	})->prio (Coro::PRIO_MAX);
1999	};	3042	};
2000		3043
2001	cfg_load;	3044	reload_config;
2002	db_load;	3045	db_init;
2003	load_extensions;	3046	load_extensions;
		3047
		3048	$TICK_WATCHER->start;
2004	Event::loop;	3049	Event::loop;
2005	}	3050	}
2006		3051
2007	#############################################################################	3052	#############################################################################
2008	# initialisation	3053	# initialisation and cleanup
2009		3054
		3055	# install some emergency cleanup handlers
		3056	BEGIN {
		3057	for my $signal (qw(INT HUP TERM)) {
		3058	Event->signal (
		3059	reentrant => 0,
		3060	data => WF_AUTOCANCEL,
		3061	signal => $signal,
		3062	prio => 0,
		3063	cb => sub {
		3064	cf::cleanup "SIG$signal";
		3065	},
		3066	);
		3067	}
		3068	}
		3069
		3070	sub write_runtime {
		3071	my $runtime = "$LOCALDIR/runtime";
		3072
		3073	# first touch the runtime file to show we are still running:
		3074	# the fsync below can take a very very long time.
		3075
		3076	IO::AIO::aio_utime $runtime, undef, undef;
		3077
		3078	my $guard = cf::lock_acquire "write_runtime";
		3079
		3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3081	or return;
		3082
		3083	my $value = $cf::RUNTIME + 90 + 10;
		3084	# 10 is the runtime save interval, for a monotonic clock
		3085	# 60 allows for the watchdog to kill the server.
		3086
		3087	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3088	and return;
		3089
		3090	# always fsync - this file is important
		3091	aio_fsync $fh
		3092	and return;
		3093
		3094	# touch it again to show we are up-to-date
		3095	aio_utime $fh, undef, undef;
		3096
		3097	close $fh
		3098	or return;
		3099
		3100	aio_rename "$runtime~", $runtime
		3101	and return;
		3102
		3103	warn "runtime file written.\n";
		3104
		3105	1
		3106	}
		3107
		3108	sub emergency_save() {
		3109	my $freeze_guard = cf::freeze_mainloop;
		3110
		3111	warn "enter emergency perl save\n";
		3112
		3113	cf::sync_job {
		3114	# use a peculiar iteration method to avoid tripping on perl
		3115	# refcount bugs in for. also avoids problems with players
		3116	# and maps saved/destroyed asynchronously.
		3117	warn "begin emergency player save\n";
		3118	for my $login (keys %cf::PLAYER) {
		3119	my $pl = $cf::PLAYER{$login} or next;
		3120	$pl->valid or next;
		3121	$pl->save;
		3122	}
		3123	warn "end emergency player save\n";
		3124
		3125	warn "begin emergency map save\n";
		3126	for my $path (keys %cf::MAP) {
		3127	my $map = $cf::MAP{$path} or next;
		3128	$map->valid or next;
		3129	$map->save;
		3130	}
		3131	warn "end emergency map save\n";
		3132
		3133	warn "begin emergency database checkpoint\n";
		3134	BDB::db_env_txn_checkpoint $DB_ENV;
		3135	warn "end emergency database checkpoint\n";
		3136	};
		3137
		3138	warn "leave emergency perl save\n";
		3139	}
		3140
		3141	sub post_cleanup {
		3142	my ($make_core) = @_;
		3143
		3144	warn Carp::longmess "post_cleanup backtrace"
		3145	if $make_core;
		3146	}
		3147
2010	sub reload() {	3148	sub do_reload_perl() {
2011	# can/must only be called in main	3149	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	3150	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	3151	warn "can only reload from main coroutine";
2014	return;	3152	return;
2015	}	3153	}
2016		3154
2017	warn "reloading...";	3155	warn "reloading...";
2018		3156
2019	local $FREEZE = 1;	3157	warn "entering sync_job";
		3158
		3159	cf::sync_job {
		3160	cf::write_runtime; # external watchdog should not bark
2020	cf::emergency_save;	3161	cf::emergency_save;
		3162	cf::write_runtime; # external watchdog should not bark
2021		3163
2022	eval {	3164	warn "syncing database to disk";
		3165	BDB::db_env_txn_checkpoint $DB_ENV;
		3166
2023	# if anything goes wrong in here, we should simply crash as we already saved	3167	# if anything goes wrong in here, we should simply crash as we already saved
2024		3168
2025	# cancel all watchers	3169	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	3170	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	3171	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	3172	}
2029		3173
		3174	warn "flushing outstanding aio requests";
		3175	for (;;) {
		3176	BDB::flush;
		3177	IO::AIO::flush;
		3178	Coro::cede;
		3179	last unless IO::AIO::nreqs || BDB::nreqs;
		3180	warn "iterate...";
		3181	}
		3182
		3183	++$RELOAD;
		3184
2030	# cancel all extension coros	3185	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	3186	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	3187	%EXT_CORO = ();
2033		3188
2034	# unload all extensions	3189	warn "removing commands";
2035	for (@exts) {	3190	%COMMAND = ();
		3191
		3192	warn "removing ext/exti commands";
		3193	%EXTCMD = ();
		3194	%EXTICMD = ();
		3195
		3196	warn "unloading/nuking all extensions";
		3197	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	3198	warn "... unloading $pkg";
2037	unload_extension $_;	3199
		3200	if (my $cb = $pkg->can ("unload")) {
		3201	eval {
		3202	$cb->($pkg);
		3203	1
		3204	} or warn "$pkg unloaded, but with errors: $@";
2038	}	3205	}
2039		3206
		3207	warn "... nuking $pkg";
		3208	Symbol::delete_package $pkg;
		3209	}
		3210
2040	# unload all modules loaded from $LIBDIR	3211	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	3212	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3213	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		3214
2044	warn "removing <$k>";	3215	warn "... unloading $k";
2045	delete $INC{$k};	3216	delete $INC{$k};
2046		3217
2047	$k =~ s/\.pm$//;	3218	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	3219	$k =~ s/\//::/g;
2049		3220
…		…
2052	}	3223	}
2053		3224
2054	Symbol::delete_package $k;	3225	Symbol::delete_package $k;
2055	}	3226	}
2056		3227
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	3228	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	3229	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		3231
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	3232	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	3233	delete $INC{"cf.pm"};
		3234	delete $INC{"cf/pod.pm"};
2070		3235
2071	# don't, removes xs symbols, too,	3236	# don't, removes xs symbols, too,
2072	# and global variables created in xs	3237	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	3238	#Symbol::delete_package __PACKAGE__;
2074		3239
2075	# reload cf.pm	3240	warn "unload completed, starting to reload now";
		3241
2076	warn "reloading cf.pm";	3242	warn "reloading cf.pm";
2077	require cf;	3243	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		3245
2080	# load config and database again	3246	warn "loading config and database again";
2081	cf::cfg_load;	3247	cf::reload_config;
2082	cf::db_load;
2083		3248
2084	# load extensions
2085	warn "load extensions";	3249	warn "loading extensions";
2086	cf::load_extensions;	3250	cf::load_extensions;
2087		3251
2088	# reattach attachments to objects	3252	warn "reattaching attachments to objects/players";
2089	warn "reattach";	3253	_global_reattach; # objects, sockets
2090	_global_reattach;	3254	warn "reattaching attachments to maps";
2091	};	3255	reattach $_ for values %MAP;
		3256	warn "reattaching attachments to players";
		3257	reattach $_ for values %PLAYER;
2092		3258
2093	if ($@) {	3259	warn "leaving sync_job";
		3260
		3261	1
		3262	} or do {
2094	warn $@;	3263	warn $@;
2095	warn "error while reloading, exiting.";	3264	warn "error while reloading, exiting.";
2096	exit 1;	3265	exit 1;
2097	}	3266	};
2098		3267
2099	warn "reloaded successfully";	3268	warn "reloaded";
2100	};	3269	};
2101		3270
2102	#############################################################################	3271	our $RELOAD_WATCHER; # used only during reload
2103		3272
2104	unless ($LINK_MAP) {	3273	sub reload_perl() {
2105	$LINK_MAP = cf::map::new;	3274	# doing reload synchronously and two reloads happen back-to-back,
		3275	# coro crashes during coro_state_free->destroy here.
2106		3276
2107	$LINK_MAP->width (41);	3277	$RELOAD_WATCHER ||= Event->timer (
2108	$LINK_MAP->height (41);	3278	reentrant => 0,
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,	3279	after => 0,
		3280	data => WF_AUTOCANCEL,
2117	cb => sub {	3281	cb => sub {
2118	$_[0]->w->cancel;	3282	do_reload_perl;
2119		3283	undef $RELOAD_WATCHER;
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});	3284	},
2138		3285	);
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}	3286	}
2144
2145	register "<global>", __PACKAGE__;
2146		3287
2147	register_command "reload" => sub {	3288	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	3289	my ($who, $arg) = @_;
2149		3290
2150	if ($who->flag (FLAG_WIZ)) {	3291	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");
2152	reload;
2153	$who->message ("end of reload.");	3292	$who->message ("reloading server.");
		3293	async { reload_perl };
2154	}	3294	}
2155	};	3295	};
2156		3296
2157	unshift @INC, $LIBDIR;	3297	unshift @INC, $LIBDIR;
2158		3298
		3299	my $bug_warning = 0;
		3300
		3301	our @WAIT_FOR_TICK;
		3302	our @WAIT_FOR_TICK_BEGIN;
		3303
		3304	sub wait_for_tick {
		3305	return unless $TICK_WATCHER->is_active;
		3306	return if $Coro::current == $Coro::main;
		3307
		3308	my $signal = new Coro::Signal;
		3309	push @WAIT_FOR_TICK, $signal;
		3310	$signal->wait;
		3311	}
		3312
		3313	sub wait_for_tick_begin {
		3314	return unless $TICK_WATCHER->is_active;
		3315	return if $Coro::current == $Coro::main;
		3316
		3317	my $signal = new Coro::Signal;
		3318	push @WAIT_FOR_TICK_BEGIN, $signal;
		3319	$signal->wait;
		3320	}
		3321
		3322	my $min = 1e6;#d#
		3323	my $avg = 10;
2159	$TICK_WATCHER = Event->timer (	3324	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	3325	reentrant => 0,
		3326	parked => 1,
2161	prio => 0,	3327	prio => 0,
2162	at => $NEXT_TICK || $TICK,	3328	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	3329	data => WF_AUTOCANCEL,
2164	cb => sub {	3330	cb => sub {
2165	unless ($FREEZE) {	3331	if ($Coro::current != $Coro::main) {
		3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3333	unless ++$bug_warning > 10;
		3334	return;
		3335	}
		3336
		3337	$NOW = $tick_start = Event::time;
		3338
2166	cf::server_tick; # one server iteration	3339	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	3340
		3341	0 && sync_job {#d#
		3342	for(1..10) {
		3343	my $t = Event::time;
		3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3345	or die;
		3346
		3347	$map->width (50);
		3348	$map->height (50);
		3349	$map->alloc;
		3350	$map->_load_objects ("/tmp/x.map", 1);
		3351	my $t = Event::time - $t;
		3352
		3353	#next unless $t < 0.0013;#d#
		3354	if ($t < $min) {
		3355	$min = $t;
		3356	}
		3357	$avg = $avg * 0.99 + $t * 0.01;
		3358	}
		3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3360	exit 0;
		3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2168	}	3362	};
2169		3363
		3364	$RUNTIME += $TICK;
2170	$NEXT_TICK += $TICK;	3365	$NEXT_TICK += $TICK;
2171		3366
		3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3369	Coro::async_pool {
		3370	write_runtime
		3371	or warn "ERROR: unable to write runtime file: $!";
		3372	};
		3373	}
		3374
		3375	# my $AFTER = Event::time;
		3376	# warn $AFTER - $NOW;#d#
		3377
		3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3379	$sig->send;
		3380	}
		3381	while (my $sig = shift @WAIT_FOR_TICK) {
		3382	$sig->send;
		3383	}
		3384
		3385	$NOW = Event::time;
		3386
2172	# if we are delayed by four ticks or more, skip them all	3387	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2174		3389
2175	$TICK_WATCHER->at ($NEXT_TICK);	3390	$TICK_WATCHER->at ($NEXT_TICK);
2176	$TICK_WATCHER->start;	3391	$TICK_WATCHER->start;
		3392
		3393	$LOAD = ($NOW - $tick_start) / $TICK;
		3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3395
		3396	_post_tick;
		3397
		3398
2177	},	3399	},
2178	);	3400	);
2179		3401
		3402	{
2180	IO::AIO::max_poll_time $TICK * 0.2;	3403	BDB::max_poll_time $TICK * 0.1;
2181		3404	$BDB_POLL_WATCHER = Event->io (
2182	Event->io (	3405	reentrant => 0,
2183	fd => IO::AIO::poll_fileno,	3406	fd => BDB::poll_fileno,
2184	poll => 'r',	3407	poll => 'r',
2185	prio => 5,	3408	prio => 0,
2186	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,
2188	);
2189
2190	Event->timer (
2191	data => WF_AUTOCANCEL,	3409	data => WF_AUTOCANCEL,
2192	after => 0,	3410	cb => \&BDB::poll_cb,
2193	interval => 10,	3411	);
2194	cb => sub {	3412	BDB::min_parallel 8;
2195	(Coro::unblock_sub {	3413
2196	write_runtime	3414	BDB::set_sync_prepare {
2197	or warn "ERROR: unable to write runtime file: $!";	3415	my $status;
		3416	my $current = $Coro::current;
		3417	(
		3418	sub {
		3419	$status = $!;
		3420	$current->ready; undef $current;
		3421	},
		3422	sub {
		3423	Coro::schedule while defined $current;
		3424	$! = $status;
		3425	},
		3426	)
		3427	};
		3428
		3429	unless ($DB_ENV) {
		3430	$DB_ENV = BDB::db_env_create;
		3431
		3432	cf::sync_job {
		3433	eval {
		3434	BDB::db_env_open
		3435	$DB_ENV,
		3436	$BDBDIR,
		3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3439	0666;
		3440
		3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3442
		3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3444	$DB_ENV->set_lk_detect;
		3445	};
		3446
		3447	cf::cleanup "db_env_open(db): $@" if $@;
2198	})->();	3448	};
2199	},	3449	}
2200	);	3450	}
		3451
		3452	{
		3453	IO::AIO::min_parallel 8;
		3454
		3455	undef $Coro::AIO::WATCHER;
		3456	IO::AIO::max_poll_time $TICK * 0.1;
		3457	$AIO_POLL_WATCHER = Event->io (
		3458	reentrant => 0,
		3459	data => WF_AUTOCANCEL,
		3460	fd => IO::AIO::poll_fileno,
		3461	poll => 'r',
		3462	prio => 6,
		3463	cb => \&IO::AIO::poll_cb,
		3464	);
		3465	}
		3466
		3467	my $_log_backtrace;
		3468
		3469	sub _log_backtrace {
		3470	my ($msg, @addr) = @_;
		3471
		3472	$msg =~ s/\n//;
		3473
		3474	# limit the # of concurrent backtraces
		3475	if ($_log_backtrace < 2) {
		3476	++$_log_backtrace;
		3477	async {
		3478	my @bt = fork_call {
		3479	@addr = map { sprintf "%x", $_ } @addr;
		3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3482	or die "addr2line: $!";
		3483
		3484	my @funcs;
		3485	my @res = <$fh>;
		3486	chomp for @res;
		3487	while (@res) {
		3488	my ($func, $line) = splice @res, 0, 2, ();
		3489	push @funcs, "[$func] $line";
		3490	}
		3491
		3492	@funcs
		3493	};
		3494
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] $_\n" for @bt;
		3497	--$_log_backtrace;
		3498	};
		3499	} else {
		3500	LOG llevInfo, "[ABT] $msg\n";
		3501	LOG llevInfo, "[ABT] [suppressed]\n";
		3502	}
		3503	}
		3504
		3505	# load additional modules
		3506	use cf::pod;
2201		3507
2202	END { cf::emergency_save }	3508	END { cf::emergency_save }
2203		3509
2204	1	3510	1
2205		3511

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