ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 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 (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	95
55	our %EXT_CORO;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	133	every server tick.
91		134
92	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		204
133	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	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	Coro::cede_notself;	434	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	435	}
		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
271		443
272	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
273	} else {	445	} else {
274	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
275		447
276	$job->()	448	$job->()
277	}	449	}
278	}	450	}
279		451
280	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
281		453
282	Creates (and readies) and returns a new coro. This coro is automcatially	454	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
284		456
285	=cut	457	=cut
286		458
287	sub coro(&) {	459	sub async_ext(&) {
288	my $cb = shift;	460	my $cb = shift;
289		461
290	my $coro = &Coro::async_pool ($cb);	462	my $coro = &Coro::async ($cb);
291		463
292	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
294	});	466	});
295	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
296		468
297	$coro	469	$coro
298	}	470	}
299		471
300	sub write_runtime {	472	=item fork_call { }, $args
301	my $runtime = cf::localdir . "/runtime";
302		473
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
304	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.
305		478
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;
309		480
310	aio_fsync $fh	481	sub fork_call(&@) {
311	and return;	482	my ($cb, @args) = @_;
312		483
313	close $fh	484	# we seemingly have to make a local copy of the whole thing,
314	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
315		487
316	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
317	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
318		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	};
319	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 });
320	}	621	}
321		622
322	=back	623	=back
323		624
324	=cut	625	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		626
446	#############################################################################	627	#############################################################################
447		628
448	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
449		630
…		…
451	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")
452	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
453		634
454	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>
455	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
456	crossfire+).	637	Crossfire TRT).
457		638
458	=over 4	639	=over 4
459		640
460	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
461		642
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	757	our @CB_MAP = ();
577		758
578	my %attachment;	759	my %attachment;
579		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
580	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
582		769
583	use sort 'stable';	770	use sort 'stable';
584		771
…		…
618	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
619		806
620	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
621	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
622	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
623	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
624		811
625	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
626	my $pkg = shift @arg;	813	my $pkg = shift @arg;
627		814
628	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
657	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
658	}	845	}
659		846
660	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
661	} else {	848	} else {
662	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
663	}	850	}
664		851
665	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
666	}	853	}
667		854
…		…
669	if (ref $_[0]) {	856	if (ref $_[0]) {
670	_object_attach @_;	857	_object_attach @_;
671	} else {	858	} else {
672	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
673	}	860	}
		861	_recalc_want;
674	};	862	};
675		863
676	# all those should be optimised	864	# all those should be optimised
677	sub cf::attachable::detach {	865	sub cf::attachable::detach {
678	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
681	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
682	reattach ($obj);	870	reattach ($obj);
683	} else {	871	} else {
684	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
685	}	873	}
		874	_recalc_want;
686	};	875	};
687		876
688	sub cf::attachable::attached {	877	sub cf::attachable::attached {
689	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
690		879
…		…
705	";	894	";
706	die if $@;	895	die if $@;
707	}	896	}
708		897
709	our $override;	898	our $override;
710	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?
711		900
712	sub override {	901	sub override {
713	$override = 1;	902	$override = 1;
714	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
715	}	904	}
716		905
717	sub do_invoke {	906	sub do_invoke {
718	my $event = shift;	907	my $event = shift;
719	my $callbacks = shift;	908	my $callbacks = shift;
720		909
721	@invoke_results = ();	910	@INVOKE_RESULTS = ();
722		911
723	local $override;	912	local $override;
724		913
725	for (@$callbacks) {	914	for (@$callbacks) {
726	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
743		932
744	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
745		934
746	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
747	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
748	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
749		938
750	=back	939	=back
751		940
752	=cut	941	=cut
753		942
754	#############################################################################	943	#############################################################################
755	# 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	}
756		956
757	sub reattach {	957	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		962
761	my $registry = $obj->registry;	963	my $registry = $obj->registry;
762		964
763	@$registry = ();	965	@$registry = ();
764		966
…		…
811	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
812		1014
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	1019	close $fh;
818		1020
819	if (@$objs) {	1021	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	1027	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
827	}	1029	}
828	} else {	1030	} else {
829	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
861	or return;	1063	or return;
862	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
863	}	1065	}
864		1066
865	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
866	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
867	return ($data, $av);	1069	return ($data, $av);
868	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
869		1077
870	#############################################################################	1078	#############################################################################
871	# command handling &c	1079	# command handling &c
872		1080
873	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
886	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
887	}	1095	}
888		1096
889	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
890		1098
891	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.
892		1104
893	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
894	called.	1106	called.
895		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
896	=cut	1119	=cut
897		1120
898	sub register_extcmd {	1121	sub register_extcmd {
899	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
900		1123
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
905	}	1131	}
906		1132
907	cf::player->attach (	1133	cf::player->attach (
908	on_command => sub {	1134	on_command => sub {
909	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
918	cf::override;	1144	cf::override;
919	},	1145	},
920	on_extcmd => sub {	1146	on_extcmd => sub {
921	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
922		1148
923	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
924		1150
925	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
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
928	$pl->ext_reply ($msg->{msgid}, %reply);
929	}
930	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
931	} else {	1166	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
933	}	1168	}
934		1169
935	cf::override;	1170	cf::override;
936	},	1171	},
937	);	1172	);
938		1173
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	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($) {
946	my ($path) = @_;	1547	my ($path) = @_;
947		1548
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1549	my ($match, $specificity);
949	my $base = $1;
950	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";
953		1550
954	warn "loading '$path' into '$pkg'\n";	1551	for my $region (list) {
955		1552	if ($region->{match} && $path =~ $region->{match}) {
956	open my $fh, "<:utf8", $path	1553	($match, $specificity) = ($region, $region->specificity)
957	or die "$path: $!";	1554	if $region->specificity > $specificity;
958		1555	}
959	my $source =
960	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })
963	. "\n};\n1";
964
965	eval $source
966	or die $@ ? "$path: $@\n"
967	: "extension disabled.\n";
968
969	push @exts, $pkg;
970	$ext_pkg{$base} = $pkg;
971
972	# no strict 'refs';
973	# @{"$pkg\::ISA"} = ext::;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	1556	}
988		1557
989	# remove commands	1558	$match
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}
1014
1015	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;
1018	eval {
1019	load_extension $ext;
1020	1
1021	} or warn "$ext not loaded: $@";
1022	}
1023	}
1024
1025	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062
1063	=head2 CORE EXTENSIONS
1064
1065	Functions and methods that extend core crossfire objects.
1066
1067	=head3 cf::player
1068
1069	=over 4
1070
1071	=item cf::player::exists $login
1072
1073	Returns true when the given account exists.
1074
1075	=cut
1076
1077	sub cf::player::exists($) {
1078	cf::player::find $_[0]
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1080	}
1081
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083
1084	Sends an ext reply to the player.
1085
1086	=cut
1087
1088	sub cf::player::ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;
1090
1091	$msg{msgid} = $id;
1092
1093	$self->send ("ext " . to_json \%msg);
1094	}	1559	}
1095		1560
1096	=back	1561	=back
1097
1098		1562
1099	=head3 cf::map	1563	=head3 cf::map
1100		1564
1101	=over 4	1565	=over 4
1102		1566
…		…
1105	package cf::map;	1569	package cf::map;
1106		1570
1107	use Fcntl;	1571	use Fcntl;
1108	use Coro::AIO;	1572	use Coro::AIO;
1109		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1110	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1112		1580
1113	sub generate_random_map {	1581	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1584	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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"
1130	}	1724	}
1131		1725
1132	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1133	# all maps in C++...	1727	# all maps in C++...
1134	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1136		1730
1137	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1139	}	1733	}
1140		1734
		1735	sub decay_objects {
		1736	my ($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
1141	sub try_load_header($) {	1751	sub load_header_from($) {
1142	my ($path) = @_;	1752	my ($self, $path) = @_;
1143		1753
1144	utf8::encode $path;	1754	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1146	or return;	1759	or return;
1147		1760
1148	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
1149	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1150		1807
1151	# for better error messages only, will be overwritten	1808	$self->{deny_reset} = 1
1152	$map->path ($path);	1809	if $self->no_reset;
1153		1810
1154	$map->load_header ($path)	1811	$self->default_region (cf::region::find_by_path $self->{path})
1155	or return;	1812	unless $self->default_region;
1156		1813
1157	$map->{load_path} = $path;	1814	1
1158
1159	$map
1160	}	1815	}
1161		1816
1162	sub find;	1817	sub find;
1163	sub find {	1818	sub find {
1164	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1165		1820
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1822
1171	cf::lock_wait "map_find:$key";	1823	cf::lock_wait "map_find:$path";
1172		1824
1173	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1826	my $guard = cf::lock_acquire "map_find:$path";
1175		1827	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1828	or return;
1195		1829
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1208		1831
1209	Coro::cede;	1832	$map->load_header
		1833	or return;
1210		1834
1211	if ($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;
1212	$map->reset;	1838	$map->reset;
1213	undef $guard;	1839	undef $guard;
1214	$map = find $path	1840	return find $path;
1215	or return;
1216	}	1841	}
1217		1842
1218	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1219	}	1844	}
1220	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1221		1849
1222	sub load {	1850	sub load {
1223	my ($self) = @_;	1851	my ($self) = @_;
1224		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1225	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1227		1860
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1862
1230	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1231		1864
1232	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1233	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1871	or return;
1235		1872
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1874	if delete $self->{load_original};
1238		1875
1239	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1877	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1879	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1244	}	1881	}
1245	}	1882	}
1246		1883
1247	Coro::cede;	1884	cf::cede_to_tick;
1248
1249	# now do the right thing for maps	1885	# now do the right thing for maps
1250	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1251
1252	if ($self->{path}->is_style_map) {
1253	$self->{deny_save} = 1;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;
1259	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1261	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;
1262	$self->activate;	1898	$self->activate;
1263	}	1899	}
1264		1900
1265	Coro::cede;	1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1266		1903
1267	$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	$neigh->load;
		1945	}
1268	}	1946	}
1269		1947
1270	sub find_sync {	1948	sub find_sync {
1271	my ($path, $origin) = @_;	1949	my ($path, $origin) = @_;
1272		1950
1273	cf::sync_job { cf::map::find $path, $origin }	1951	cf::sync_job { find $path, $origin }
1274	}	1952	}
1275		1953
1276	sub do_load_sync {	1954	sub do_load_sync {
1277	my ($map) = @_;	1955	my ($map) = @_;
1278		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1279	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	$MAP_PREFETCHER->prio (6);
		1990
		1991	()
1280	}	1992	}
1281		1993
1282	sub save {	1994	sub save {
1283	my ($self) = @_;	1995	my ($self) = @_;
1284		1996
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1286		1998
1287	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1288		2000
1289	return unless $self->dirty;	2001	return unless $self->dirty;
1290		2002
1291	my $save = $self->{path}->save_path; utf8::encode $save;	2003	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		2005
1294	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1295		2007
1296	return if $self->{deny_save};	2008	return if $self->{deny_save};
1297		2009
1298	local $self->{last_access} = $self->last_access;#d#	2010	local $self->{last_access} = $self->last_access;#d#
1299		2011
		2012	cf::async {
		2013	$_->contr->save for $self->players;
		2014	};
		2015
1300	if ($uniq) {	2016	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	2019	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	2021	}
1306	}	2022	}
1307		2023
1308	sub swap_out {	2024	sub swap_out {
1309	my ($self) = @_;	2025	my ($self) = @_;
1310		2026
1311	# save first because save cedes	2027	# save first because save cedes
1312	$self->save;	2028	$self->save;
1313		2029
1314	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1315		2031
1316	return if $self->players;	2032	return if $self->players;
1317	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1318	return if $self->{deny_save};	2034	return if $self->{deny_save};
1319		2035
…		…
1323		2039
1324	sub reset_at {	2040	sub reset_at {
1325	my ($self) = @_;	2041	my ($self) = @_;
1326		2042
1327	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};
1329	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1330		2045
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		2048
…		…
1338	my ($self) = @_;	2053	my ($self) = @_;
1339		2054
1340	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1341	}	2056	}
1342		2057
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	2058	sub reset {
1365	my ($self) = @_;	2059	my ($self) = @_;
1366		2060
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		2062
1369	return if $self->players;	2063	return if $self->players;
1370	return if $self->{path}{user_rel};#d#
1371		2064
1372	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	}
1373		2076
1374	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1375		2080
1376	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1377		2082
1378	$self->unlink_save;	2083	$self->unlink_save;
1379	$self->destroy;	2084	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1383		2088
1384	sub nuke {	2089	sub nuke {
1385	my ($self) = @_;	2090	my ($self) = @_;
1386		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};
1387	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1390	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
1391	}	2109	}
1392		2110
1393	sub customise_for {	2111	=item $maps = cf::map::tmp_maps
1394	my ($map, $ob) = @_;
1395		2112
1396	if ($map->per_player) {	2113	Returns an arrayref with all map paths of currently instantiated and saved
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
1398	}	2119	[
1399		2120	map {
1400	$map	2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
1401	}	2127	}
1402		2128
1403	sub emergency_save {	2129	=item $maps = cf::map::random_maps
1404	my $freeze_guard = cf::freeze_mainloop;
1405		2130
1406	warn "enter emergency map save\n";	2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
1407		2133
1408	cf::sync_job {	2134	=cut
1409	warn "begin emergency map save\n";
1410	$_->save for values %cf::MAP;
1411	};
1412		2135
1413	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	]
1414	}	2163	}
1415		2164
1416	package cf;	2165	package cf;
1417		2166
1418	=back	2167	=back
1419		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
1420		2195
1421	=head3 cf::object::player	2196	=head3 cf::object::player
1422		2197
1423	=over 4	2198	=over 4
1424		2199
…		…
1438		2213
1439	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1440		2215
1441	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1442	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1443	} 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 {
1444	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1445	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1446	}	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 (@_);
1447	}	2241	}
1448		2242
1449	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1450		2244
1451	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1464		2258
1465	=item $player_object->enter_link	2259	=item $player_object->enter_link
1466		2260
1467	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}>).
1468		2262
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	2264	I<MUST> call C<leave_link> as soon as possible, though.
1471		2265
		2266	Will never block.
		2267
1472	=item $player_object->leave_link ($map, $x, $y)	2268	=item $player_object->leave_link ($map, $x, $y)
1473		2269
1474	Moves the player out of the specila link map onto the given map. If the	2270	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	2271	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	2272	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	2273	fails, to the emergency map position.
1478		2274
1479	Might block.	2275	Might block.
1480		2276
1481	=cut	2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($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	$LINK_MAP
		2287	}
1482		2288
1483	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1484	my ($self) = @_;	2290	my ($self) = @_;
1485		2291
1486	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1487		2293
1488	return if $self->map == $LINK_MAP;	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		2295
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1492		2298
1493	$self->enter_map ($LINK_MAP, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	2300	}
1495		2301
1496	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1498		2306
1499	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1500		2308
1501	unless ($map) {	2309	unless ($map) {
1502	# restore original map position	2310	# restore original map position
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1519		2327
1520	$map->load;	2328	$map->load;
		2329	$map->load_neighbours;
1521		2330
		2331	return unless $self->contr->active;
1522	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1524	}	2336	}
1525		2337
1526	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1527	on_logout => sub {
1528	my ($pl) = @_;
1529		2339
1530	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1531	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1532	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1533	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1534	};	2344	be called at the end of this process.
1535	}
1536	},
1537	on_login => sub {
1538	my ($pl) = @_;
1539		2345
1540	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;
1544	Coro::async_pool {
1545	# we need this sleep as the login has a concurrent enter_exit running
1546	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;
1549	};
1550	}
1551	},
1552	);
1553
1554	=item $player_object->goto ($path, $x, $y)
1555
1556	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1557		2349
1558	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1559	my ($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;
1560		2355
1561	$self->enter_link;	2356	$self->enter_link;
1562		2357
1563	(Coro::async_pool {	2358	(async {
1564	$path = new cf::path $path;	2359	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1567	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1568		2364	$map = $check->($map) if $check && $map;
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1570	# if $map;
1571
1572	$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	}
1573		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};
1574	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1575	})->prio (1);	2383	})->prio (1);
1576	}	2384	}
1577		2385
1578	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1579		2387
…		…
1581		2389
1582	sub parse_random_map_params {	2390	sub parse_random_map_params {
1583	my ($spec) = @_;	2391	my ($spec) = @_;
1584		2392
1585	my $rmp = { # defaults	2393	my $rmp = { # defaults
1586	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1588	};	2398	};
1589		2399
1590	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1592		2402
…		…
1596	$rmp	2406	$rmp
1597	}	2407	}
1598		2408
1599	sub prepare_random_map {	2409	sub prepare_random_map {
1600	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		2413
1602	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	2416	# that depends on the exit object
1605		2417
1606	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1607		2419
1608	if ($exit->map) {	2420	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1613	}	2425	}
1614		2426
1615	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1616		2428
1617	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1619		2432
1620	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) {
1621	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;
1622		2437
1623	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	2439	$exit->msg (undef);
1625	}	2440	}
1626	}	2441	}
…		…
1628	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1630		2445
1631	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1632		2447
		2448	if ($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
1633	$self->enter_link;	2459	$self->enter_link;
1634		2460
1635	(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 {
1636	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	2467	unless (eval {
1638	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		2469
1644	1;	2470	1;
1645	}) {	2471	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	2474	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2476
1651	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2478	$self->leave_link;
1653	}	2479	}
1654	})->prio (1);	2480	})->prio (1);
…		…
1667		2493
1668	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1670		2496
1671	utf8::encode $text;	2497	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2499	}
1674		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	}
1675		2616
1676	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1677		2618
1678	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1679	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>,
1680	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>.
1681		2622
1682	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
1683	reliable at some point in the future.	2624	become reliable at some point in the future.
1684		2625
1685	=cut	2626	=cut
1686		2627
1687	sub cf::client::query {	2628	sub cf::client::query {
1688	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1696	utf8::encode $text;	2637	utf8::encode $text;
1697	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1698		2639
1699	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1700	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1701	}	2644	}
1702		2645
1703	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1704	on_reply => sub {	2652	on_reply => sub {
1705	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1706		2654
1707	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1708	# get handled first	2656	# get handled first
1709	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2659
1712	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2662
1714	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1715		2664
1716	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2666	if (@$queue) {
…		…
1719	} else {	2668	} else {
1720	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1721	}	2670	}
1722	}	2671	}
1723	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($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	},
1724	);	2699	);
1725		2700
1726	=item $client->coro (\&cb)	2701	=item $client->async (\&cb)
1727		2702
1728	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2704	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2705	or loss of connection).
1731		2706
1732	=cut	2707	=cut
1733		2708
1734	sub cf::client::coro {	2709	sub cf::client::async {
1735	my ($self, $cb) = @_;	2710	my ($self, $cb) = @_;
1736		2711
1737	my $coro = &Coro::async_pool ($cb);	2712	my $coro = &Coro::async ($cb);
1738		2713
1739	$coro->on_destroy (sub {	2714	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2715	delete $self->{_coro}{$coro+0};
1741	});	2716	});
1742		2717
…		…
1769	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
1770	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
1771		2746
1772	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
1773		2748
1774	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
1775		2754
1776	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
1777		2756
1778	=pod	2757	=pod
1779		2758
1780	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
1781		2760
1782	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
1783	cf::object::player player	2765	cf::object::player
1784	cf::player peaceful	2766	player
1785	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
1786		2773
1787	=cut	2774	=cut
1788		2775
1789	for (	2776	for (
1790	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
1791	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
1792	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
1793	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
1794	) {	2783	) {
1795	no strict 'refs';	2784	no strict 'refs';
…		…
1866	=back	2855	=back
1867		2856
1868	=cut	2857	=cut
1869		2858
1870	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
1871		2861
1872	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
1873		2864
1874	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
1875	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
1876	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
1877		2868
1878	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1879	using it, it should be unique.
1880		2870
1881	=over 4	2871	warn "loading facedata from $path\n";
1882		2872
1883	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
1884		2876
1885	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888		2878
1889	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2881
1891	Returns a single value from the database	2882	# patch in the exptable
1892		2883	$facedata->{resource}{"res/exp_table"} = {
1893	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
1894		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	$DB = stat $path ? Storable::retrieve $path : { };
1920	}
1921
1922	my $pid;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});	2886	};
		2887	cf::cede_to_tick;
1944		2888
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
1949		2891
1950	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
1951	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1952	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
1953	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
1954	}	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};
1955		2898
1956	sub db_put($$;$) {	2899	cf::cede_to_tick;
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2900	}
1970	);
1971	}
1972		2901
1973	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
1974	# 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	}
1975		2912
1976	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 {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
1978	or return;	3040	or return;
1979		3041
1980	local $/;	3042	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
1982		3044
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		3046
		3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3049
1985	if (exists $CFG{mlockall}) {	3050	if (exists $CFG{mlockall}) {
1986	eval {	3051	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	3052	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	3053	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	3054	};
1990	warn $@ if $@;	3055	warn $@ if $@;
1991	}	3056	}
1992	}	3057	}
1993		3058
1994	sub main {	3059	sub main {
1995	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	3063	(async {
1999	Event::one_event;	3064	Event::one_event;
2000	})->();	3065	})->prio (Coro::PRIO_MAX);
2001	};	3066	};
2002		3067
2003	cfg_load;	3068	reload_config;
2004	db_load;	3069	db_init;
2005	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2006	Event::loop;	3073	Event::loop;
2007	}	3074	}
2008		3075
2009	#############################################################################	3076	#############################################################################
2010	# initialisation	3077	# initialisation and cleanup
2011		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
2012	sub reload() {	3172	sub do_reload_perl() {
2013	# can/must only be called in main	3173	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2016	return;	3176	return;
2017	}	3177	}
2018		3178
2019	warn "reloading...";	3179	warn "reloading...";
2020		3180
2021	my $guard = freeze_mainloop;	3181	warn "entering sync_job";
		3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2023		3187
2024	eval {	3188	warn "syncing database to disk";
		3189	BDB::db_env_txn_checkpoint $DB_ENV;
		3190
2025	# 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
2026		3192
2027	# cancel all watchers	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	3196	}
2031		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
2032	# cancel all extension coros	3209	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	3211	%EXT_CORO = ();
2035		3212
2036	# unload all extensions	3213	warn "removing commands";
2037	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) {
2038	warn "unloading <$_>";	3222	warn "... unloading $pkg";
2039	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: $@";
2040	}	3229	}
2041		3230
		3231	warn "... nuking $pkg";
		3232	Symbol::delete_package $pkg;
		3233	}
		3234
2042	# unload all modules loaded from $LIBDIR	3235	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		3238
2046	warn "removing <$k>";	3239	warn "... unloading $k";
2047	delete $INC{$k};	3240	delete $INC{$k};
2048		3241
2049	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2051		3244
…		…
2054	}	3247	}
2055		3248
2056	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2057	}	3250	}
2058		3251
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	3252	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2065	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);
2066		3255
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	3256	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2072		3259
2073	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2074	# and global variables created in xs	3261	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2076		3263
2077	# reload cf.pm	3264	warn "unload completed, starting to reload now";
		3265
2078	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2079	require cf;	3267	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		3269
2082	# load config and database again	3270	warn "loading config and database again";
2083	cf::cfg_load;	3271	cf::reload_config;
2084	cf::db_load;
2085		3272
2086	# load extensions
2087	warn "load extensions";	3273	warn "loading extensions";
2088	cf::load_extensions;	3274	cf::load_extensions;
2089		3275
2090	# reattach attachments to objects	3276	warn "reattaching attachments to objects/players";
2091	warn "reattach";	3277	_global_reattach; # objects, sockets
2092	_global_reattach;	3278	warn "reattaching attachments to maps";
2093	};	3279	reattach $_ for values %MAP;
		3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2094		3282
2095	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2096	warn $@;	3287	warn $@;
2097	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2098	exit 1;	3289	exit 1;
2099	}	3290	};
2100		3291
2101	warn "reloaded successfully";	3292	warn "reloaded";
2102	};	3293	};
2103		3294
2104	#############################################################################	3295	our $RELOAD_WATCHER; # used only during reload
2105		3296
2106	unless ($LINK_MAP) {	3297	sub reload_perl() {
2107	$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.
2108		3300
2109	$LINK_MAP->width (41);	3301	$RELOAD_WATCHER ||= Event->timer (
2110	$LINK_MAP->height (41);	3302	reentrant => 0,
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,	3303	after => 0,
		3304	data => WF_AUTOCANCEL,
2119	cb => sub {	3305	cb => sub {
2120	$_[0]->w->cancel;	3306	do_reload_perl;
2121		3307	undef $RELOAD_WATCHER;
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});	3308	},
2140		3309	);
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}	3310	}
2146
2147	register "<global>", __PACKAGE__;
2148		3311
2149	register_command "reload" => sub {	3312	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2151		3314
2152	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");
2154	reload;
2155	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2156	}	3318	}
2157	};	3319	};
2158		3320
2159	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2160		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;
2161	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2163	prio => 0,	3351	prio => 0,
2164	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2166	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
2167	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
2168	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2170		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
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2173		3413
2174	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2175	$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
2176	},	3423	},
2177	);	3424	);
2178		3425
		3426	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
2180		3428	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	3429	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	3430	fd => BDB::poll_fileno,
2183	poll => 'r',	3431	poll => 'r',
2184	prio => 5,	3432	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2191	after => 0,	3434	cb => \&BDB::poll_cb,
2192	interval => 10,	3435	);
2193	cb => sub {	3436	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	3437
2195	write_runtime	3438	BDB::set_sync_prepare {
2196	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 $@;
2197	})->();	3472	};
2198	},	3473	}
2199	);	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;
2200		3531
2201	END { cf::emergency_save }	3532	END { cf::emergency_save }
2202		3533
2203	1	3534	1
2204		3535

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines