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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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 (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	95
55	our %EXT_CORO;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	133	every server tick.
91		134
92	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		204
133	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
183		265
184	=item cf::lock_wait $string	266	=item cf::lock_wait $string
185		267
186	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
187		269
…		…
190	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
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
193	returned.	275	returned.
194		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
195	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
197		286
198	=cut	287	=cut
199		288
200	our %LOCK;	289	our %LOCK;
201		290
…		…
221	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
223	}	312	}
224	}	313	}
225		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
226	sub freeze_mainloop {	321	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
228		323
229	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
230	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
231	$guard	328	$guard
232	}	329	}
233		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
		387	=item cf::async { BLOCK }
		388
		389	Currently the same as Coro::async_pool, meaning you cannot use
		390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		391	thing you are allowed to do is call C<prio> on it.
		392
		393	=cut
		394
		395	BEGIN { *async = \&Coro::async_pool }
		396
234	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
235		398
236	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)
237	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
238	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.
239		403
240	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
241	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
242	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
243	fast or be very important.	407	fast or be very important.
…		…
246		410
247	sub sync_job(&) {	411	sub sync_job(&) {
248	my ($job) = @_;	412	my ($job) = @_;
249		413
250	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
251	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
252	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
253		419
254	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
255	# (but this is cancel-safe)	421	# (but this is cancel-safe)
256	my $freeze_guard = freeze_mainloop;	422	my $freeze_guard = freeze_mainloop;
257		423
258	my $busy = 1;	424	my $busy = 1;
259	my @res;	425	my @res;
260		426
261	(Coro::async_pool {	427	(async {
262	@res = eval { $job->() };	428	@res = eval { $job->() };
263	warn $@ if $@;	429	warn $@ if $@;
264	undef $busy;	430	undef $busy;
265	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
266		432
267	while ($busy) {	433	while ($busy) {
268	unless (Coro::cede) {	434	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}	435	}
272	}	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
273		443
274	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
275	} else {	445	} else {
276	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
277		447
278	$job->()	448	$job->()
279	}	449	}
280	}	450	}
281		451
282	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
283		453
284	Creates (and readies) and returns a new coro. This coro is automcatially	454	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
286		456
287	=cut	457	=cut
288		458
289	sub coro(&) {	459	sub async_ext(&) {
290	my $cb = shift;	460	my $cb = shift;
291		461
292	my $coro = &Coro::async_pool ($cb);	462	my $coro = &Coro::async ($cb);
293		463
294	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
296	});	466	});
297	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
298		468
299	$coro	469	$coro
300	}	470	}
301		471
302	sub write_runtime {	472	=item fork_call { }, $args
303	my $runtime = cf::localdir . "/runtime";
304		473
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
306	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.
307		478
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;
311		480
312	aio_fsync $fh	481	sub fork_call(&@) {
313	and return;	482	my ($cb, @args) = @_;
314		483
315	close $fh	484	# we seemingly have to make a local copy of the whole thing,
316	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
317		487
318	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
319	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
320		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	};
321	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 });
322	}	621	}
323		622
324	=back	623	=back
325		624
326	=cut	625	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		626
448	#############################################################################	627	#############################################################################
449		628
450	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
451		630
…		…
453	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")
454	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
455		634
456	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>
457	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
458	crossfire+).	637	Crossfire TRT).
459		638
460	=over 4	639	=over 4
461		640
462	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
463		642
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	757	our @CB_MAP = ();
579		758
580	my %attachment;	759	my %attachment;
581		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
582	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
584		769
585	use sort 'stable';	770	use sort 'stable';
586		771
…		…
620	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
621		806
622	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
623	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
624	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
625	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
626		811
627	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
628	my $pkg = shift @arg;	813	my $pkg = shift @arg;
629		814
630	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
659	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
660	}	845	}
661		846
662	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
663	} else {	848	} else {
664	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
665	}	850	}
666		851
667	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
668	}	853	}
669		854
…		…
671	if (ref $_[0]) {	856	if (ref $_[0]) {
672	_object_attach @_;	857	_object_attach @_;
673	} else {	858	} else {
674	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
675	}	860	}
		861	_recalc_want;
676	};	862	};
677		863
678	# all those should be optimised	864	# all those should be optimised
679	sub cf::attachable::detach {	865	sub cf::attachable::detach {
680	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
683	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
684	reattach ($obj);	870	reattach ($obj);
685	} else {	871	} else {
686	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
687	}	873	}
		874	_recalc_want;
688	};	875	};
689		876
690	sub cf::attachable::attached {	877	sub cf::attachable::attached {
691	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
692		879
…		…
707	";	894	";
708	die if $@;	895	die if $@;
709	}	896	}
710		897
711	our $override;	898	our $override;
712	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?
713		900
714	sub override {	901	sub override {
715	$override = 1;	902	$override = 1;
716	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
717	}	904	}
718		905
719	sub do_invoke {	906	sub do_invoke {
720	my $event = shift;	907	my $event = shift;
721	my $callbacks = shift;	908	my $callbacks = shift;
722		909
723	@invoke_results = ();	910	@INVOKE_RESULTS = ();
724		911
725	local $override;	912	local $override;
726		913
727	for (@$callbacks) {	914	for (@$callbacks) {
728	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
745		932
746	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
747		934
748	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
749	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
750	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
751		938
752	=back	939	=back
753		940
754	=cut	941	=cut
755		942
756	#############################################################################	943	#############################################################################
757	# 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	}
758		956
759	sub reattach {	957	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		962
763	my $registry = $obj->registry;	963	my $registry = $obj->registry;
764		964
765	@$registry = ();	965	@$registry = ();
766		966
…		…
813	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
814		1014
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	1019	close $fh;
820		1020
821	if (@$objs) {	1021	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1027	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
829	}	1029	}
830	} else {	1030	} else {
831	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
863	or return;	1063	or return;
864	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
865	}	1065	}
866		1066
867	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
869	return ($data, $av);	1069	return ($data, $av);
870	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
871		1077
872	#############################################################################	1078	#############################################################################
873	# command handling &c	1079	# command handling &c
874		1080
875	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1095	}
890		1096
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1098
893	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.
894		1104
895	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
896	called.	1106	called.
897		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
898	=cut	1119	=cut
899		1120
900	sub register_extcmd {	1121	sub register_extcmd {
901	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
902		1123
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
907	}	1131	}
908		1132
909	cf::player->attach (	1133	cf::player->attach (
910	on_command => sub {	1134	on_command => sub {
911	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
920	cf::override;	1144	cf::override;
921	},	1145	},
922	on_extcmd => sub {	1146	on_extcmd => sub {
923	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
924		1148
925	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
926		1150
927	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
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
930	$pl->ext_reply ($msg->{msgid}, %reply);
931	}
932	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
933	} else {	1166	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
935	}	1168	}
936		1169
937	cf::override;	1170	cf::override;
938	},	1171	},
939	);	1172	);
940		1173
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
		1508	=item $player->ext_reply ($msgid, @msg)
		1509
		1510	Sends an ext reply to the player.
		1511
		1512	=cut
		1513
		1514	sub ext_reply($$@) {
		1515	my ($self, $id, @msg) = @_;
		1516
		1517	$self->ns->ext_reply ($id, @msg)
		1518	}
		1519
		1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
948	my ($path) = @_;	1547	my ($path) = @_;
949		1548
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1549	my ($match, $specificity);
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955		1550
956	warn "loading '$path' into '$pkg'\n";	1551	for my $region (list) {
957		1552	if ($region->{match} && $path =~ $region->{match}) {
958	open my $fh, "<:utf8", $path	1553	($match, $specificity) = ($region, $region->specificity)
959	or die "$path: $!";	1554	if $region->specificity > $specificity;
960		1555	}
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	eval $source
968	or die $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970
971	push @exts, $pkg;
972	$ext_pkg{$base} = $pkg;
973
974	# no strict 'refs';
975	# @{"$pkg\::ISA"} = ext::;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	1556	}
990		1557
991	# remove commands	1558	$match
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}
1016
1017	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;
1020	eval {
1021	load_extension $ext;
1022	1
1023	} or warn "$ext not loaded: $@";
1024	}
1025	}
1026
1027	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064
1065	=head2 CORE EXTENSIONS
1066
1067	Functions and methods that extend core crossfire objects.
1068
1069	=head3 cf::player
1070
1071	=over 4
1072
1073	=item cf::player::exists $login
1074
1075	Returns true when the given account exists.
1076
1077	=cut
1078
1079	sub cf::player::exists($) {
1080	cf::player::find $_[0]
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1082	}
1083
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085
1086	Sends an ext reply to the player.
1087
1088	=cut
1089
1090	sub cf::player::ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;
1092
1093	$msg{msgid} = $id;
1094
1095	$self->send ("ext " . to_json \%msg);
1096	}	1559	}
1097		1560
1098	=back	1561	=back
1099
1100		1562
1101	=head3 cf::map	1563	=head3 cf::map
1102		1564
1103	=over 4	1565	=over 4
1104		1566
…		…
1107	package cf::map;	1569	package cf::map;
1108		1570
1109	use Fcntl;	1571	use Fcntl;
1110	use Coro::AIO;	1572	use Coro::AIO;
1111		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1112	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1114		1580
1115	sub generate_random_map {	1581	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1584	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
		1596	)
		1597	}
		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
		1607	sub register {
		1608	my (undef, $regex, $prio) = @_;
		1609	my $pkg = caller;
		1610
		1611	no strict;
		1612	push @{"$pkg\::ISA"}, __PACKAGE__;
		1613
		1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1615	}
		1616
		1617	# also paths starting with '/'
		1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
		1629
		1630	sub normalise {
		1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
		1636
		1637	# map plan:
		1638	#
		1639	# /! non-realised random map exit (special hack!)
		1640	# {... are special paths that are not being touched
		1641	# ?xxx/... are special absolute paths
		1642	# ?random/... random maps
		1643	# /... normal maps
		1644	# ~user/... per-player map of a specific user
		1645
		1646	$path =~ s/$PATH_SEP/\//go;
		1647
		1648	# treat it as relative path if it starts with
		1649	# something that looks reasonable
		1650	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1651	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1652
		1653	$base =~ s{[^/]+/?$}{};
		1654	$path = "$base/$path";
		1655	}
		1656
		1657	for ($path) {
		1658	redo if s{//}{/};
		1659	redo if s{/\.?/}{/};
		1660	redo if s{/[^/]+/\.\./}{/};
		1661	}
		1662
		1663	$path
		1664	}
		1665
		1666	sub new_from_path {
		1667	my (undef, $path, $base) = @_;
		1668
		1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1670
		1671	$path = normalise $path, $base;
		1672
		1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1675	my $self = bless cf::map::new, $pkg;
		1676	$self->{path} = $path; $self->path ($path);
		1677	$self->init; # pass $1 etc.
		1678	return $self;
		1679	}
		1680	}
		1681
		1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1683	()
		1684	}
		1685
		1686	sub init {
		1687	my ($self) = @_;
		1688
		1689	$self
		1690	}
		1691
		1692	sub as_string {
		1693	my ($self) = @_;
		1694
		1695	"$self->{path}"
		1696	}
		1697
		1698	# the displayed name, this is a one way mapping
		1699	sub visible_name {
		1700	&as_string
		1701	}
		1702
		1703	# the original (read-only) location
		1704	sub load_path {
		1705	my ($self) = @_;
		1706
		1707	"$MAPDIR/$self->{path}.map"
		1708	}
		1709
		1710	# the temporary/swap location
		1711	sub save_path {
		1712	my ($self) = @_;
		1713
		1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
		1716	}
		1717
		1718	# the unique path, undef == no special unique path
		1719	sub uniq_path {
		1720	my ($self) = @_;
		1721
		1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
1132	}	1724	}
1133		1725
1134	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1135	# all maps in C++...	1727	# all maps in C++...
1136	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1138		1730
1139	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1141	}	1733	}
1142		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
		1743	sub unlink_save {
		1744	my ($self) = @_;
		1745
		1746	utf8::encode (my $save = $self->save_path);
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1749	}
		1750
1143	sub try_load_header($) {	1751	sub load_header_from($) {
1144	my ($path) = @_;	1752	my ($self, $path) = @_;
1145		1753
1146	utf8::encode $path;	1754	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1148	or return;	1759	or return;
1149		1760
1150	my $map = cf::map::new	1761	$self->{load_path} = $path;
		1762
		1763	1
		1764	}
		1765
		1766	sub load_header_orig {
		1767	my ($self) = @_;
		1768
		1769	$self->load_header_from ($self->load_path)
		1770	}
		1771
		1772	sub load_header_temp {
		1773	my ($self) = @_;
		1774
		1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
		1795	}
		1796
		1797	sub load_header {
		1798	my ($self) = @_;
		1799
		1800	if ($self->load_header_temp) {
		1801	$self->prepare_temp;
		1802	} else {
		1803	$self->load_header_orig
1151	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1152		1807
1153	# for better error messages only, will be overwritten	1808	$self->{deny_reset} = 1
1154	$map->path ($path);	1809	if $self->no_reset;
1155		1810
1156	$map->load_header ($path)	1811	$self->default_region (cf::region::find_by_path $self->{path})
1157	or return;	1812	unless $self->default_region;
1158		1813
1159	$map->{load_path} = $path;	1814	1
1160
1161	$map
1162	}	1815	}
1163		1816
1164	sub find;	1817	sub find;
1165	sub find {	1818	sub find {
1166	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1167		1820
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1822
1173	cf::lock_wait "map_find:$key";	1823	cf::lock_wait "map_find:$path";
1174		1824
1175	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1826	my $guard = cf::lock_acquire "map_find:$path";
1177		1827	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1828	or return;
1197		1829
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1210		1831
1211	Coro::cede;	1832	$map->load_header
		1833	or return;
1212		1834
1213	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1838	$map->reset;
1215	undef $guard;	1839	undef $guard;
1216	$map = find $path	1840	return find $path;
1217	or return;
1218	}	1841	}
1219		1842
1220	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1221	}	1844	}
1222	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1223		1849
1224	sub load {	1850	sub load {
1225	my ($self) = @_;	1851	my ($self) = @_;
1226		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1227	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1229		1860
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1862
1232	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1233		1864
1234	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1235	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1871	or return;
1237		1872
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1874	if delete $self->{load_original};
1240		1875
1241	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1877	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1879	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1246	}	1881	}
1247	}	1882	}
1248		1883
1249	Coro::cede;	1884	cf::cede_to_tick;
1250
1251	# now do the right thing for maps	1885	# now do the right thing for maps
1252	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1888	unless $self->difficulty;
		1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1264	$self->activate;	1898	$self->activate;
1265	}	1899	}
1266		1900
1267	Coro::cede;	1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1268		1903
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
		1908	}
		1909
		1910	sub customise_for {
		1911	my ($self, $ob) = @_;
		1912
		1913	return find "~" . $ob->name . "/" . $self->{path}
		1914	if $self->per_player;
		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
		1919	$self
		1920	}
		1921
		1922	# find and load all maps in the 3x3 area around a map
		1923	sub load_neighbours {
		1924	my ($map) = @_;
		1925
		1926	my @neigh; # diagonal neighbours
		1927
		1928	for (0 .. 3) {
		1929	my $neigh = $map->tile_path ($_)
		1930	or next;
		1931	$neigh = find $neigh, $map
		1932	or next;
		1933	$neigh->load;
		1934
		1935	push @neigh,
		1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1938	}
		1939
		1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
		1942	my $neigh = find $path, $origin
		1943	or next;
		1944	$neigh->load;
		1945	}
1270	}	1946	}
1271		1947
1272	sub find_sync {	1948	sub find_sync {
1273	my ($path, $origin) = @_;	1949	my ($path, $origin) = @_;
1274		1950
1275	cf::sync_job {	1951	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1952	}
1280		1953
1281	sub do_load_sync {	1954	sub do_load_sync {
1282	my ($map) = @_;	1955	my ($map) = @_;
1283		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1284	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
		1961	}
		1962
		1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin, $load) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
		1988	};
		1989	$MAP_PREFETCHER->prio (6);
		1990
		1991	()
1285	}	1992	}
1286		1993
1287	sub save {	1994	sub save {
1288	my ($self) = @_;	1995	my ($self) = @_;
1289		1996
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1291		1998
1292	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1293		2000
1294	return unless $self->dirty;	2001	return unless $self->dirty;
1295		2002
1296	my $save = $self->{path}->save_path; utf8::encode $save;	2003	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		2005
1299	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1300		2007
1301	return if $self->{deny_save};	2008	return if $self->{deny_save};
1302		2009
1303	local $self->{last_access} = $self->last_access;#d#	2010	local $self->{last_access} = $self->last_access;#d#
1304		2011
		2012	cf::async {
		2013	$_->contr->save for $self->players;
		2014	};
		2015
1305	if ($uniq) {	2016	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	2019	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	2021	}
1311	}	2022	}
1312		2023
1313	sub swap_out {	2024	sub swap_out {
1314	my ($self) = @_;	2025	my ($self) = @_;
1315		2026
1316	# save first because save cedes	2027	# save first because save cedes
1317	$self->save;	2028	$self->save;
1318		2029
1319	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1320		2031
1321	return if $self->players;	2032	return if $self->players;
1322	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1323	return if $self->{deny_save};	2034	return if $self->{deny_save};
1324		2035
…		…
1328		2039
1329	sub reset_at {	2040	sub reset_at {
1330	my ($self) = @_;	2041	my ($self) = @_;
1331		2042
1332	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1335		2045
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		2048
…		…
1343	my ($self) = @_;	2053	my ($self) = @_;
1344		2054
1345	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1346	}	2056	}
1347		2057
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	2058	sub reset {
1370	my ($self) = @_;	2059	my ($self) = @_;
1371		2060
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		2062
1374	return if $self->players;	2063	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		2064
1377	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1378		2076
1379	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1380		2080
1381	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1382		2082
1383	$self->unlink_save;	2083	$self->unlink_save;
1384	$self->destroy;	2084	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1388		2088
1389	sub nuke {	2089	sub nuke {
1390	my ($self) = @_;	2090	my ($self) = @_;
1391		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1395	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
1396	}	2109	}
1397		2110
1398	sub customise_for {	2111	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		2112
1401	if ($map->per_player) {	2113	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
1403	}	2119	[
1404		2120	map {
1405	$map	2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
1406	}	2127	}
1407		2128
1408	sub emergency_save {	2129	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		2130
1411	warn "enter emergency map save\n";	2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
1412		2133
1413	cf::sync_job {	2134	=cut
1414	warn "begin emergency map save\n";
1415	$_->save for values %cf::MAP;
1416	};
1417		2135
1418	warn "end emergency map save\n";	2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
		2145	}
		2146
		2147	=item cf::map::unique_maps
		2148
		2149	Returns an arrayref of paths of all shared maps that have
		2150	instantiated unique items. May block.
		2151
		2152	=cut
		2153
		2154	sub unique_maps() {
		2155	[
		2156	map {
		2157	utf8::decode $_;
		2158	/\.map$/
		2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
		2162	]
1419	}	2163	}
1420		2164
1421	package cf;	2165	package cf;
1422		2166
1423	=back	2167	=back
1424		2168
		2169	=head3 cf::object
		2170
		2171	=cut
		2172
		2173	package cf::object;
		2174
		2175	=over 4
		2176
		2177	=item $ob->inv_recursive
		2178
		2179	Returns the inventory of the object _and_ their inventories, recursively.
		2180
		2181	=cut
		2182
		2183	sub inv_recursive_;
		2184	sub inv_recursive_ {
		2185	map { $_, inv_recursive_ $_->inv } @_
		2186	}
		2187
		2188	sub inv_recursive {
		2189	inv_recursive_ inv $_[0]
		2190	}
		2191
		2192	package cf;
		2193
		2194	=back
1425		2195
1426	=head3 cf::object::player	2196	=head3 cf::object::player
1427		2197
1428	=over 4	2198	=over 4
1429		2199
…		…
1443		2213
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2215
1446	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1448	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1451	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1452	}	2241	}
1453		2242
1454	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1455		2244
1456	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1469		2258
1470	=item $player_object->enter_link	2259	=item $player_object->enter_link
1471		2260
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2261	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2262
1474	The player should be reaosnably safe there for short amounts of time. You	2263	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	2264	I<MUST> call C<leave_link> as soon as possible, though.
1476		2265
		2266	Will never block.
		2267
1477	=item $player_object->leave_link ($map, $x, $y)	2268	=item $player_object->leave_link ($map, $x, $y)
1478		2269
1479	Moves the player out of the specila link map onto the given map. If the	2270	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2271	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2272	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2273	fails, to the emergency map position.
1483		2274
1484	Might block.	2275	Might block.
1485		2276
1486	=cut	2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($LINK_MAP) {
		2281	$LINK_MAP = cf::map::find "{link}"
		2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2283	$LINK_MAP->load;
		2284	}
		2285
		2286	$LINK_MAP
		2287	}
1487		2288
1488	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2290	my ($self) = @_;
1490		2291
1491	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1492		2293
1493	return if $self->map == $LINK_MAP;	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2295
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1497		2298
1498	$self->enter_map ($LINK_MAP, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	2300	}
1500		2301
1501	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1503		2306
1504	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1505		2308
1506	unless ($map) {	2309	unless ($map) {
1507	# restore original map position	2310	# restore original map position
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1524		2327
1525	$map->load;	2328	$map->load;
		2329	$map->load_neighbours;
1526		2330
		2331	return unless $self->contr->active;
1527	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1529	}	2336	}
1530		2337
1531	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1532	on_logout => sub {
1533	my ($pl) = @_;
1534		2339
1535	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1536	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1537	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1538	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1539	};	2344	be called at the end of this process.
1540	}
1541	},
1542	on_login => sub {
1543	my ($pl) = @_;
1544		2345
1545	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;
1550	(Coro::async_pool {
1551	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;
1555	})->prio (2);
1556	}
1557	},
1558	);
1559
1560	=item $player_object->goto ($path, $x, $y)
1561
1562	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1563		2349
1564	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2355
1567	$self->enter_link;	2356	$self->enter_link;
1568		2357
1569	(Coro::async_pool {	2358	(async {
1570	$path = new cf::path $path;	2359	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1574		2364	$map = $check->($map) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1579		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1581	})->prio (1);	2383	})->prio (1);
1582	}	2384	}
1583		2385
1584	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1585		2387
…		…
1587		2389
1588	sub parse_random_map_params {	2390	sub parse_random_map_params {
1589	my ($spec) = @_;	2391	my ($spec) = @_;
1590		2392
1591	my $rmp = { # defaults	2393	my $rmp = { # defaults
1592	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1594	};	2398	};
1595		2399
1596	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1598		2402
…		…
1602	$rmp	2406	$rmp
1603	}	2407	}
1604		2408
1605	sub prepare_random_map {	2409	sub prepare_random_map {
1606	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		2413
1608	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	2416	# that depends on the exit object
1611		2417
1612	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1613		2419
1614	if ($exit->map) {	2420	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1619	}	2425	}
1620		2426
1621	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1622		2428
1623	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1625		2432
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1628		2437
1629	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2439	$exit->msg (undef);
1631	}	2440	}
1632	}	2441	}
…		…
1634	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1636		2445
1637	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1638		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1639	$self->enter_link;	2459	$self->enter_link;
1640		2460
1641	(Coro::async_pool {	2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
		2465	(async {
1642	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2467	unless (eval {
1644	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2469
1650	1;	2470	1;
1651	}) {	2471	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2474	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2476
1657	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2478	$self->leave_link;
1659	}	2479	}
1660	})->prio (1);	2480	})->prio (1);
…		…
1673		2493
1674	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1676		2496
1677	utf8::encode $text;	2497	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2499	}
1680		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1681		2616
1682	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1683		2618
1684	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1686	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1687		2622
1688	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1689	reliable at some point in the future.	2624	become reliable at some point in the future.
1690		2625
1691	=cut	2626	=cut
1692		2627
1693	sub cf::client::query {	2628	sub cf::client::query {
1694	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1702	utf8::encode $text;	2637	utf8::encode $text;
1703	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1704		2639
1705	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1706	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1707	}	2644	}
1708		2645
1709	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1710	on_reply => sub {	2652	on_reply => sub {
1711	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1712		2654
1713	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1714	# get handled first	2656	# get handled first
1715	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2659
1718	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2662
1720	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1721		2664
1722	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2666	if (@$queue) {
…		…
1725	} else {	2668	} else {
1726	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1727	}	2670	}
1728	}	2671	}
1729	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1730	);	2699	);
1731		2700
1732	=item $client->coro (\&cb)	2701	=item $client->async (\&cb)
1733		2702
1734	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2704	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2705	or loss of connection).
1737		2706
1738	=cut	2707	=cut
1739		2708
1740	sub cf::client::coro {	2709	sub cf::client::async {
1741	my ($self, $cb) = @_;	2710	my ($self, $cb) = @_;
1742		2711
1743	my $coro = &Coro::async_pool ($cb);	2712	my $coro = &Coro::async ($cb);
1744		2713
1745	$coro->on_destroy (sub {	2714	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2715	delete $self->{_coro}{$coro+0};
1747	});	2716	});
1748		2717
…		…
1775	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
1776	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
1777		2746
1778	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
1779		2748
1780	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
1781		2754
1782	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
1783		2756
1784	=pod	2757	=pod
1785		2758
1786	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
1787		2760
1788	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
1789	cf::object::player player	2765	cf::object::player
1790	cf::player peaceful	2766	player
1791	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
1792		2773
1793	=cut	2774	=cut
1794		2775
1795	for (	2776	for (
1796	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
1797	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
1798	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
1799	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
1800	) {	2783	) {
1801	no strict 'refs';	2784	no strict 'refs';
…		…
1872	=back	2855	=back
1873		2856
1874	=cut	2857	=cut
1875		2858
1876	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
1877		2861
1878	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
1879		2864
1880	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
1881	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
1882	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
1883		2868
1884	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1885	using it, it should be unique.
1886		2870
1887	=over 4	2871	warn "loading facedata from $path\n";
1888		2872
1889	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
1890		2876
1891	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894		2878
1895	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
1896		2881
1897	Returns a single value from the database	2882	# patch in the exptable
1898		2883	$facedata->{resource}{"res/exp_table"} = {
1899	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
1900		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_put $family => $key => $value
1905
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916
1917	=cut
1918
1919	our $DB;
1920
1921	{
1922	my $path = cf::localdir . "/database.pst";
1923
1924	sub db_load() {
1925	$DB = stat $path ? Storable::retrieve $path : { };
1926	}
1927
1928	my $pid;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2886	};
		2887	cf::cede_to_tick;
1950		2888
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
1955		2891
1956	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
1957	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1958	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
1959	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
1960	}	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1961		2898
1962	sub db_put($$;$) {	2899	cf::cede_to_tick;
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2900	}
1976	);
1977	}
1978		2901
1979	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
1981		2912
1982	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	3040	or return;
1985		3041
1986	local $/;	3042	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
1988		3044
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		3049
1994	if (exists $CFG{mlockall}) {	3050	if (exists $CFG{mlockall}) {
1995	eval {	3051	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	3052	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	3053	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	3054	};
1999	warn $@ if $@;	3055	warn $@ if $@;
2000	}	3056	}
2001	}	3057	}
2002		3058
2003	sub main {	3059	sub main {
2004	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	3063	(async {
		3064	Event::one_event;
		3065	})->prio (Coro::PRIO_MAX);
2008	};	3066	};
2009		3067
2010	cfg_load;	3068	reload_config;
2011	db_load;	3069	db_init;
2012	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2013	Event::loop;	3073	Event::loop;
2014	}	3074	}
2015		3075
2016	#############################################################################	3076	#############################################################################
2017	# initialisation	3077	# initialisation and cleanup
2018		3078
		3079	# install some emergency cleanup handlers
		3080	BEGIN {
		3081	for my $signal (qw(INT HUP TERM)) {
		3082	Event->signal (
		3083	reentrant => 0,
		3084	data => WF_AUTOCANCEL,
		3085	signal => $signal,
		3086	prio => 0,
		3087	cb => sub {
		3088	cf::cleanup "SIG$signal";
		3089	},
		3090	);
		3091	}
		3092	}
		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
		3132	sub emergency_save() {
		3133	my $freeze_guard = cf::freeze_mainloop;
		3134
		3135	warn "enter emergency perl save\n";
		3136
		3137	cf::sync_job {
		3138	# use a peculiar iteration method to avoid tripping on perl
		3139	# refcount bugs in for. also avoids problems with players
		3140	# and maps saved/destroyed asynchronously.
		3141	warn "begin emergency player save\n";
		3142	for my $login (keys %cf::PLAYER) {
		3143	my $pl = $cf::PLAYER{$login} or next;
		3144	$pl->valid or next;
		3145	$pl->save;
		3146	}
		3147	warn "end emergency player save\n";
		3148
		3149	warn "begin emergency map save\n";
		3150	for my $path (keys %cf::MAP) {
		3151	my $map = $cf::MAP{$path} or next;
		3152	$map->valid or next;
		3153	$map->save;
		3154	}
		3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
		3160	};
		3161
		3162	warn "leave emergency perl save\n";
		3163	}
		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2019	sub reload() {	3172	sub do_reload_perl() {
2020	# can/must only be called in main	3173	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2023	return;	3176	return;
2024	}	3177	}
2025		3178
2026	warn "reloading...";	3179	warn "reloading...";
2027		3180
2028	my $guard = freeze_mainloop;	3181	warn "entering sync_job";
		3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2030		3187
2031	eval {	3188	warn "syncing database to disk";
		3189	BDB::db_env_txn_checkpoint $DB_ENV;
		3190
2032	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2033		3192
2034	# cancel all watchers	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	3196	}
2038		3197
		3198	warn "flushing outstanding aio requests";
		3199	for (;;) {
		3200	BDB::flush;
		3201	IO::AIO::flush;
		3202	Coro::cede;
		3203	last unless IO::AIO::nreqs || BDB::nreqs;
		3204	warn "iterate...";
		3205	}
		3206
		3207	++$RELOAD;
		3208
2039	# cancel all extension coros	3209	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	3211	%EXT_CORO = ();
2042		3212
2043	# unload all extensions	3213	warn "removing commands";
2044	for (@exts) {	3214	%COMMAND = ();
		3215
		3216	warn "removing ext/exti commands";
		3217	%EXTCMD = ();
		3218	%EXTICMD = ();
		3219
		3220	warn "unloading/nuking all extensions";
		3221	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	3222	warn "... unloading $pkg";
2046	unload_extension $_;	3223
		3224	if (my $cb = $pkg->can ("unload")) {
		3225	eval {
		3226	$cb->($pkg);
		3227	1
		3228	} or warn "$pkg unloaded, but with errors: $@";
2047	}	3229	}
2048		3230
		3231	warn "... nuking $pkg";
		3232	Symbol::delete_package $pkg;
		3233	}
		3234
2049	# unload all modules loaded from $LIBDIR	3235	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		3238
2053	warn "removing <$k>";	3239	warn "... unloading $k";
2054	delete $INC{$k};	3240	delete $INC{$k};
2055		3241
2056	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2058		3244
…		…
2061	}	3247	}
2062		3248
2063	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2064	}	3250	}
2065		3251
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	3252	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		3255
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	3256	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2079		3259
2080	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2081	# and global variables created in xs	3261	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2083		3263
2084	# reload cf.pm	3264	warn "unload completed, starting to reload now";
		3265
2085	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2086	require cf;	3267	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		3269
2089	# load config and database again	3270	warn "loading config and database again";
2090	cf::cfg_load;	3271	cf::reload_config;
2091	cf::db_load;
2092		3272
2093	# load extensions
2094	warn "load extensions";	3273	warn "loading extensions";
2095	cf::load_extensions;	3274	cf::load_extensions;
2096		3275
2097	# reattach attachments to objects	3276	warn "reattaching attachments to objects/players";
2098	warn "reattach";	3277	_global_reattach; # objects, sockets
2099	_global_reattach;	3278	warn "reattaching attachments to maps";
2100	};	3279	reattach $_ for values %MAP;
		3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2101		3282
2102	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2103	warn $@;	3287	warn $@;
2104	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2105	exit 1;	3289	exit 1;
2106	}	3290	};
2107		3291
2108	warn "reloaded successfully";	3292	warn "reloaded";
2109	};	3293	};
2110		3294
2111	#############################################################################	3295	our $RELOAD_WATCHER; # used only during reload
2112		3296
2113	unless ($LINK_MAP) {	3297	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
2115		3300
2116	$LINK_MAP->width (41);	3301	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	3302	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	3303	after => 0,
		3304	data => WF_AUTOCANCEL,
2126	cb => sub {	3305	cb => sub {
2127	$_[0]->w->cancel;	3306	do_reload_perl;
2128		3307	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	3308	},
2147		3309	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	3310	}
2153
2154	register "<global>", __PACKAGE__;
2155		3311
2156	register_command "reload" => sub {	3312	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2158		3314
2159	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2163	}	3318	}
2164	};	3319	};
2165		3320
2166	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2167		3322
		3323	my $bug_warning = 0;
		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2168	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2170	prio => 0,	3351	prio => 0,
2171	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2173	cb => sub {	3354	cb => sub {
		3355	if ($Coro::current != $Coro::main) {
		3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3357	unless ++$bug_warning > 10;
		3358	return;
		3359	}
		3360
		3361	$NOW = $tick_start = Event::time;
		3362
2174	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2175	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2177		3390
		3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
		3410
2178	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2180		3413
2181	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2183	},	3423	},
2184	);	3424	);
2185		3425
		3426	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
2187		3428	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	3429	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	3430	fd => BDB::poll_fileno,
2190	poll => 'r',	3431	poll => 'r',
2191	prio => 5,	3432	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2198	after => 0,	3434	cb => \&BDB::poll_cb,
2199	interval => 10,	3435	);
2200	cb => sub {	3436	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	3437
2202	write_runtime	3438	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	3472	};
2205	},	3473	}
2206	);	3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
		3480	IO::AIO::max_poll_time $TICK * 0.1;
		3481	$AIO_POLL_WATCHER = Event->io (
		3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
		3484	fd => IO::AIO::poll_fileno,
		3485	poll => 'r',
		3486	prio => 6,
		3487	cb => \&IO::AIO::poll_cb,
		3488	);
		3489	}
		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2207		3531
2208	END { cf::emergency_save }	3532	END { cf::emergency_save }
2209		3533
2210	1	3534	1
2211		3535

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