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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 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 3.61 ();
		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;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
63		98
64	binmode STDOUT;	99	binmode STDOUT;
65	binmode STDERR;	100	binmode STDERR;
66		101
67	# read virtual server time, if available	102	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
72	}	107	}
73		108
74	mkdir cf::localdir;	109	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		111
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
83		115
84	#############################################################################	116	#############################################################################
85		117
86	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
87		119
…		…
94	=item $cf::RUNTIME	126	=item $cf::RUNTIME
95		127
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	129	every server tick.
98		130
99	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		134
101	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
103		139
104	=item $cf::NOW	140	=item $cf::NOW
105		141
106	The time of the last (current) server tick.	142	The time of the last (current) server tick.
107		143
108	=item $cf::TICK	144	=item $cf::TICK
109		145
110	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
111		157
112	=item %cf::CFG	158	=item %cf::CFG
113		159
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	161	from wherever your confdir points to.
116		162
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		164
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		168
124	=back	169	=back
125		170
126	=cut	171	=cut
127		172
128	BEGIN {	173	BEGIN {
129	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	175	my $msg = join "", @_;
131	utf8::encode $msg;
132		176
133	$msg .= "\n"	177	$msg .= "\n"
134	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
135		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
136	LOG llevError, $msg;	183	LOG llevError, $msg;
137	};	184	};
138	}	185	}
139		186
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		194
147	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	196	# within the Safe compartment.
149	for my $pkg (qw(	197	for my $pkg (qw(
150	cf::global cf::attachable	198	cf::global cf::attachable
…		…
158	}	206	}
159		207
160	$Event::DIED = sub {	208	$Event::DIED = sub {
161	warn "error in event callback: @_";	209	warn "error in event callback: @_";
162	};	210	};
		211
		212	#############################################################################
163		213
164	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
165		215
166	=over 4	216	=over 4
167		217
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	237	$d
188	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
189	}	239	}
190		240
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		242
193	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
194		244
195	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
196		246
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
205		248
206	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		250
215	=item cf::lock_wait $string	251	=item cf::lock_wait $string
216		252
217	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
218		254
…		…
224	returned.	260	returned.
225		261
226	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
228		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
229	=cut	269	=cut
230		270
231	our %LOCK;	271	our %LOCK;
232		272
233	sub lock_wait($) {	273	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
254	}	294	}
255	}	295	}
256		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
257	sub freeze_mainloop {	303	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
259		305
260	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
261	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
262	$guard	310	$guard
263	}	311	}
264		312
265	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
272		320
273	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
274		322
275	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
276		324
277	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
280		329
281	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
284	fast or be very important.	333	fast or be very important.
…		…
287		336
288	sub sync_job(&) {	337	sub sync_job(&) {
289	my ($job) = @_;	338	my ($job) = @_;
290		339
291	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
292	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
294		345
295	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
307		358
308	while ($busy) {	359	while ($busy) {
309	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
310	}	361	}
311		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
312	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
313	} else {	371	} else {
314	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
315		373
316	$job->()	374	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
336		394
337	$coro	395	$coro
338	}	396	}
339		397
340	sub write_runtime {	398	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		399
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
344	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
345		404
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		406
350	aio_fsync $fh	407	sub fork_call(&@) {
351	and return;	408	my ($cb, @args) = @_;
352		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
353	close $fh	416	close $fh2;
354	or return;
355		417
356	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
357	and return;	419	$res = Coro::Storable::thaw $res;
358		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
359	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	567	}
361		568
362	=back	569	=back
363		570
364	=cut	571	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		572
493	#############################################################################	573	#############################################################################
494		574
495	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
496		576
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
500		580
501	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	583	Crossfire TRT).
504		584
505	=over 4	585	=over 4
506		586
507	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
508		588
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	703	our @CB_MAP = ();
624		704
625	my %attachment;	705	my %attachment;
626		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
627	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
629		715
630	use sort 'stable';	716	use sort 'stable';
631		717
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
666		752
667	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		757
672	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	759	my $pkg = shift @arg;
674		760
675	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
705	}	791	}
706		792
707	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
708	} else {	794	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	796	}
711		797
712	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
713	}	799	}
714		800
…		…
716	if (ref $_[0]) {	802	if (ref $_[0]) {
717	_object_attach @_;	803	_object_attach @_;
718	} else {	804	} else {
719	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
720	}	806	}
		807	_recalc_want;
721	};	808	};
722		809
723	# all those should be optimised	810	# all those should be optimised
724	sub cf::attachable::detach {	811	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
729	reattach ($obj);	816	reattach ($obj);
730	} else {	817	} else {
731	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
732	}	819	}
		820	_recalc_want;
733	};	821	};
734		822
735	sub cf::attachable::attached {	823	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
737		825
…		…
802	# object support	890	# object support
803		891
804	sub reattach {	892	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		897
808	my $registry = $obj->registry;	898	my $registry = $obj->registry;
809		899
810	@$registry = ();	900	@$registry = ();
811		901
…		…
858	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
859		949
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	954	close $fh;
865		955
866	if (@$objs) {	956	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	962	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
874	}	964	}
875	} else {	965	} else {
876	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
908	or return;	998	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1000	}
911		1001
912	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1004	return ($data, $av);
915	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
916		1012
917	#############################################################################	1013	#############################################################################
918	# command handling &c	1014	# command handling &c
919		1015
920	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1030	}
935		1031
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1033
938	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
939		1035
940	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
941	called.	1037	called.
942		1038
943	=cut	1039	=cut
…		…
978		1074
979	cf::override;	1075	cf::override;
980	},	1076	},
981	);	1077	);
982		1078
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
1011	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1084	next unless -r $path;
1013	eval {	1085
1014	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
1015	1	1143	}
1016	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
1017	}	1149	};
1018	}	1150	}
1019		1151
1020	#############################################################################	1152	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1153
1023	*cf::mapsupport::on_clean = sub {	1154	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1155
1036	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
1037		1157
1038	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
1039		1159
…		…
1052	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
1053		1173
1054	=cut	1174	=cut
1055		1175
1056	sub playerdir($) {	1176	sub playerdir($) {
1057	cf::localdir	1177	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1179	}
1063		1180
1064	sub path($) {	1181	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1183
1067	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
1068	}	1185	}
1069		1186
1070	sub find_active($) {	1187	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
1075		1192
1076	sub exists($) {	1193	sub exists($) {
1077	my ($login) = @_;	1194	my ($login) = @_;
1078		1195
1079	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
1081	}	1198	}
1082		1199
1083	sub find($) {	1200	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1202	my $login = $_[0];
1086		1203
1087	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
1088		1205
1089	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
1090	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
1091	or return;	1215	or return;
1092	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
1093	}	1217	}
1094	}	1218	}
…		…
1131		1255
1132	=cut	1256	=cut
1133		1257
1134	sub quit_character {	1258	sub quit_character {
1135	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1136		1262
1137	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1265
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1150	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1151	}	1297	}
1152		1298
1153	=item cf::player::list_logins	1299	=item cf::player::list_logins
1154		1300
1155	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1157		1303
1158	=cut	1304	=cut
1159		1305
1160	sub list_logins {	1306	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1308	or return [];
1163		1309
1164	my @logins;	1310	my @logins;
1165		1311
1166	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1175	\@logins	1321	\@logins
1176	}	1322	}
1177		1323
1178	=item $player->maps	1324	=item $player->maps
1179		1325
1180	Returns an arrayref of cf::path's of all maps that are private for this	1326	Returns an arrayref of map paths that are private for this
1181	player. May block.	1327	player. May block.
1182		1328
1183	=cut	1329	=cut
1184		1330
1185	sub maps($) {	1331	sub maps($) {
1186	my ($pl) = @_;	1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1335
1188	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1189	or return;	1337	or return;
1190		1338
1191	my @paths;	1339	my @paths;
…		…
1193	for (@$files) {	1341	for (@$files) {
1194	utf8::decode $_;	1342	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1197		1345
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1346	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1347	}
1200		1348
1201	\@paths	1349	\@paths
1202	}	1350	}
1203		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1205		1386
1206	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1207		1388
1208	=cut	1389	=cut
1209		1390
1210	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1212		1393
1213	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1214		1395
1215	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1216	}	1397	}
1217		1398
1218	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1219		1439
1220	=back	1440	=back
1221
1222		1441
1223	=head3 cf::map	1442	=head3 cf::map
1224		1443
1225	=over 4	1444	=over 4
1226		1445
…		…
1229	package cf::map;	1448	package cf::map;
1230		1449
1231	use Fcntl;	1450	use Fcntl;
1232	use Coro::AIO;	1451	use Coro::AIO;
1233		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1234	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1236		1459
1237	sub generate_random_map {	1460	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1463	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
		1475	)
		1476	}
		1477
		1478	=item cf::map->register ($regex, $prio)
		1479
		1480	Register a handler for the map path matching the given regex at the
		1481	givne priority (higher is better, built-in handlers have priority 0, the
		1482	default).
		1483
		1484	=cut
		1485
		1486	sub register {
		1487	my (undef, $regex, $prio) = @_;
		1488	my $pkg = caller;
		1489
		1490	no strict;
		1491	push @{"$pkg\::ISA"}, __PACKAGE__;
		1492
		1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1494	}
		1495
		1496	# also paths starting with '/'
		1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
		1508
		1509	sub normalise {
		1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
		1515
		1516	# map plan:
		1517	#
		1518	# /! non-realised random map exit (special hack!)
		1519	# {... are special paths that are not being touched
		1520	# ?xxx/... are special absolute paths
		1521	# ?random/... random maps
		1522	# /... normal maps
		1523	# ~user/... per-player map of a specific user
		1524
		1525	$path =~ s/$PATH_SEP/\//go;
		1526
		1527	# treat it as relative path if it starts with
		1528	# something that looks reasonable
		1529	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1530	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1531
		1532	$base =~ s{[^/]+/?$}{};
		1533	$path = "$base/$path";
		1534	}
		1535
		1536	for ($path) {
		1537	redo if s{//}{/};
		1538	redo if s{/\.?/}{/};
		1539	redo if s{/[^/]+/\.\./}{/};
		1540	}
		1541
		1542	$path
		1543	}
		1544
		1545	sub new_from_path {
		1546	my (undef, $path, $base) = @_;
		1547
		1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1549
		1550	$path = normalise $path, $base;
		1551
		1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1554	my $self = bless cf::map::new, $pkg;
		1555	$self->{path} = $path; $self->path ($path);
		1556	$self->init; # pass $1 etc.
		1557	return $self;
		1558	}
		1559	}
		1560
		1561	Carp::carp "unable to resolve path '$path' (base '$base').";
		1562	()
		1563	}
		1564
		1565	sub init {
		1566	my ($self) = @_;
		1567
		1568	$self
		1569	}
		1570
		1571	sub as_string {
		1572	my ($self) = @_;
		1573
		1574	"$self->{path}"
		1575	}
		1576
		1577	# the displayed name, this is a one way mapping
		1578	sub visible_name {
		1579	&as_string
		1580	}
		1581
		1582	# the original (read-only) location
		1583	sub load_path {
		1584	my ($self) = @_;
		1585
		1586	"$MAPDIR/$self->{path}.map"
		1587	}
		1588
		1589	# the temporary/swap location
		1590	sub save_path {
		1591	my ($self) = @_;
		1592
		1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
		1595	}
		1596
		1597	# the unique path, undef == no special unique path
		1598	sub uniq_path {
		1599	my ($self) = @_;
		1600
		1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1254	}	1603	}
1255		1604
1256	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1257	# all maps in C++...	1606	# all maps in C++...
1258	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1260		1609
1261	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1263	}	1612	}
1264		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
		1622	sub unlink_save {
		1623	my ($self) = @_;
		1624
		1625	utf8::encode (my $save = $self->save_path);
		1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1628	}
		1629
1265	sub try_load_header($) {	1630	sub load_header_from($) {
1266	my ($path) = @_;	1631	my ($self, $path) = @_;
1267		1632
1268	utf8::encode $path;	1633	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1270	or return;	1638	or return;
1271		1639
1272	my $map = cf::map::new	1640	$self->{load_path} = $path;
		1641
		1642	1
		1643	}
		1644
		1645	sub load_header_orig {
		1646	my ($self) = @_;
		1647
		1648	$self->load_header_from ($self->load_path)
		1649	}
		1650
		1651	sub load_header_temp {
		1652	my ($self) = @_;
		1653
		1654	$self->load_header_from ($self->save_path)
		1655	}
		1656
		1657	sub prepare_temp {
		1658	my ($self) = @_;
		1659
		1660	$self->last_access ((delete $self->{last_access})
		1661	|| $cf::RUNTIME); #d#
		1662	# safety
		1663	$self->{instantiate_time} = $cf::RUNTIME
		1664	if $self->{instantiate_time} > $cf::RUNTIME;
		1665	}
		1666
		1667	sub prepare_orig {
		1668	my ($self) = @_;
		1669
		1670	$self->{load_original} = 1;
		1671	$self->{instantiate_time} = $cf::RUNTIME;
		1672	$self->last_access ($cf::RUNTIME);
		1673	$self->instantiate;
		1674	}
		1675
		1676	sub load_header {
		1677	my ($self) = @_;
		1678
		1679	if ($self->load_header_temp) {
		1680	$self->prepare_temp;
		1681	} else {
		1682	$self->load_header_orig
1273	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1274		1686
1275	# for better error messages only, will be overwritten	1687	$self->{deny_reset} = 1
1276	$map->path ($path);	1688	if $self->no_reset;
1277		1689
1278	$map->load_header ($path)	1690	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1691	unless $self->default_region;
1280		1692
1281	$map->{load_path} = $path;	1693	1
1282
1283	$map
1284	}	1694	}
1285		1695
1286	sub find;	1696	sub find;
1287	sub find {	1697	sub find {
1288	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1289		1699
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1701
1295	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1296		1703
1297	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1299		1706	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1707	or return;
1319		1708
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1332		1710
1333	Coro::cede;	1711	$map->load_header
		1712	or return;
1334		1713
1335	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1717	$map->reset;
1337	undef $guard;	1718	undef $guard;
1338	$map = find $path	1719	return find $path;
1339	or return;
1340	}	1720	}
1341		1721
1342	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1343	}	1723	}
1344	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1345		1728
1346	sub load {	1729	sub load {
1347	my ($self) = @_;	1730	my ($self) = @_;
1348		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1349	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1351		1738
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1740
1354	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1355		1742
1356	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1357	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1749	or return;
1359		1750
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1752	if delete $self->{load_original};
1362		1753
1363	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1755	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1757	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1368	}	1759	}
1369	}	1760	}
1370		1761
1371	Coro::cede;	1762	Coro::cede;
1372
1373	# now do the right thing for maps	1763	# now do the right thing for maps
1374	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1766	unless $self->difficulty;
		1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1386	$self->activate;	1776	$self->activate;
1387	}	1777	}
1388		1778
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
		1783	}
		1784
		1785	sub customise_for {
		1786	my ($self, $ob) = @_;
		1787
		1788	return find "~" . $ob->name . "/" . $self->{path}
		1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
		1794	$self
1392	}	1795	}
1393		1796
1394	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1798	sub load_diag {
1396	my ($map) = @_;	1799	my ($map) = @_;
…		…
1426		1829
1427	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1428	}	1831	}
1429		1832
1430	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1835
1446	sub find_async {	1836	sub find_async {
1447	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1448		1838
1449	$path = new cf::path $path, $origin && $origin->path;	1839	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1840
1452	if (my $map = $cf::MAP{$key}) {	1841	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1843	}
1455		1844
1456	$MAP_PREFETCH{$key} = $path;	1845	undef $MAP_PREFETCH{$path};
		1846	$MAP_PREFETCHER ||= cf::async {
		1847	while (%MAP_PREFETCH) {
		1848	for my $path (keys %MAP_PREFETCH) {
		1849	my $map = find $path
		1850	or next;
		1851	$map->load;
		1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
		1857	};
1457	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1458		1859
1459	()	1860	()
1460	}	1861	}
1461		1862
1462	sub save {	1863	sub save {
…		…
1466		1867
1467	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1468		1869
1469	return unless $self->dirty;	1870	return unless $self->dirty;
1470		1871
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1874
1474	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1475		1876
1476	return if $self->{deny_save};	1877	return if $self->{deny_save};
1477		1878
…		…
1480	cf::async {	1881	cf::async {
1481	$_->contr->save for $self->players;	1882	$_->contr->save for $self->players;
1482	};	1883	};
1483		1884
1484	if ($uniq) {	1885	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1888	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1890	}
1490	}	1891	}
1491		1892
1492	sub swap_out {	1893	sub swap_out {
1493	my ($self) = @_;	1894	my ($self) = @_;
…		…
1507		1908
1508	sub reset_at {	1909	sub reset_at {
1509	my ($self) = @_;	1910	my ($self) = @_;
1510		1911
1511	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1514		1914
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1917
…		…
1522	my ($self) = @_;	1922	my ($self) = @_;
1523		1923
1524	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1525	}	1925	}
1526		1926
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1927	sub reset {
1549	my ($self) = @_;	1928	my ($self) = @_;
1550		1929
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1931
1553	return if $self->players;	1932	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1933
1556	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1557		1945
1558	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1559		1949
1560	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1561		1951
1562	$self->unlink_save;	1952	$self->unlink_save;
1563	$self->destroy;	1953	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1567		1957
1568	sub nuke {	1958	sub nuke {
1569	my ($self) = @_;	1959	my ($self) = @_;
1570		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1574	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1575	}	1974	}
1576		1975
1577	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		1977
1580	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1582	}	1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
1583		1993
1584	$map	1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
1585	}	2010	}
1586		2011
1587	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1588		2013
1589	Returns an arrayref of cf::path's of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2015	instantiated unique items. May block.
1591		2016
1592	=cut	2017	=cut
1593		2018
1594	sub unique_maps() {	2019	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1596	or return;	2021	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2022	utf8::decode $_;
1602	next if /\.pst$/;	2023	/\.map$/
1603	next unless /^$PATH_SEP/o;	2024	? normalise $_
1604		2025	: ()
1605	push @paths, new cf::path $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2027	]
1607
1608	\@paths
1609	}	2028	}
1610		2029
1611	package cf;	2030	package cf;
1612		2031
1613	=back	2032	=back
…		…
1659		2078
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2080
1662	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1664	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1667	}	2100	}
1668	}	2101	}
1669		2102
1670	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1671		2104
…		…
1685		2118
1686	=item $player_object->enter_link	2119	=item $player_object->enter_link
1687		2120
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2121	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2122
1690	The player should be reaosnably safe there for short amounts of time. You	2123	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1692		2125
		2126	Will never block.
		2127
1693	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1694		2129
1695	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2133	fails, to the emergency map position.
1699		2134
1700	Might block.	2135	Might block.
1701		2136
1702	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($LINK_MAP) {
		2141	$LINK_MAP = cf::map::find "{link}"
		2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2143	$LINK_MAP->load;
		2144	}
		2145
		2146	$LINK_MAP
		2147	}
1703		2148
1704	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2150	my ($self) = @_;
1706		2151
1707	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1708		2153
1709	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2155
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1713		2158
1714	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2160	}
1716		2161
1717	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1719		2166
1720	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1721		2168
1722	unless ($map) {	2169	unless ($map) {
1723	# restore original map position	2170	# restore original map position
…		…
1741	$map->load;	2188	$map->load;
1742	$map->load_diag;	2189	$map->load_diag;
1743		2190
1744	return unless $self->contr->active;	2191	return unless $self->contr->active;
1745	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1747	}	2196	}
1748		2197
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1783	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1784		2208
1785	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
1787		2211
1788	$path = new cf::path $path;	2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2214
1790	$self->enter_link;	2215	$self->enter_link;
1791		2216
1792	(async {	2217	(async {
		2218	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1795		2223	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1800		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1802	})->prio (1);	2240	})->prio (1);
1803	}	2241	}
1804		2242
1805	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1806		2244
…		…
1808		2246
1809	sub parse_random_map_params {	2247	sub parse_random_map_params {
1810	my ($spec) = @_;	2248	my ($spec) = @_;
1811		2249
1812	my $rmp = { # defaults	2250	my $rmp = { # defaults
1813	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1815	};	2255	};
1816		2256
1817	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1819		2259
…		…
1823	$rmp	2263	$rmp
1824	}	2264	}
1825		2265
1826	sub prepare_random_map {	2266	sub prepare_random_map {
1827	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2270
1829	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2273	# that depends on the exit object
1832		2274
1833	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1834		2276
1835	if ($exit->map) {	2277	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1840	}	2282	}
1841		2283
1842	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1843		2285
1844	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1846		2289
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
		2292	undef $fh;
		2293	aio_rename "$meta~", $meta;
1849		2294
1850	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2296	$exit->msg (undef);
1852	}	2297	}
1853	}	2298	}
1854		2299
1855	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1857		2302
1858	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
1859		2315
1860	$self->enter_link;	2316	$self->enter_link;
1861		2317
1862	(async {	2318	(async {
1863	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2320	unless (eval {
1865	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2322
1871	1;	2323	1;
1872	}) {	2324	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2329
1878	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2331	$self->leave_link;
1880	}	2332	}
1881	})->prio (1);	2333	})->prio (1);
…		…
1894		2346
1895	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1897		2349
1898	utf8::encode $text;	2350	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2352	}
1901		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1902		2403
1903	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1904		2405
1905	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2436	# get handled first
1936	my $queue = delete $ns->{query_queue}	2437	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2439
1939	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2442
1941	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1942		2444
1943	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2446	if (@$queue) {
…		…
2002		2504
2003	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
2004		2506
2005	=pod	2507	=pod
2006		2508
2007	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
2008		2510
2009	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2512	cf::object::player player
2011	cf::player peaceful	2513	cf::player peaceful
2012	cf::map trigger	2514	cf::map trigger
…		…
2093	=back	2595	=back
2094		2596
2095	=cut	2597	=cut
2096		2598
2097	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
2098		2601
2099	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
2100		2604
2101	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2606
2105	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
2106	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
2107		2610
2108	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
2109		2612
2110	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2615
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
2148		2618
2149	my $pid;	2619	while (my ($face, $info) = each %$faces) {
2150		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2624	Coro::cede;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2625	}
2197	);
2198	}
2199		2626
2200	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
		2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
		2688	}
2202		2689
2203	sub cfg_load {	2690	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2692	or return;
2206		2693
2207	local $/;	2694	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
2209		2696
…		…
2223		2710
2224	sub main {	2711	sub main {
2225	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2715	(async {
2228	async { Event::one_event };	2716	Event::one_event;
		2717	})->prio (Coro::PRIO_MAX);
2229	};	2718	};
2230		2719
2231	cfg_load;	2720	cfg_load;
2232	db_load;	2721	db_init;
2233	load_extensions;	2722	load_extensions;
		2723
		2724	$TICK_WATCHER->start;
2234	Event::loop;	2725	Event::loop;
2235	}	2726	}
2236		2727
2237	#############################################################################	2728	#############################################################################
2238	# initialisation and cleanup	2729	# initialisation and cleanup
2239		2730
2240	# install some emergency cleanup handlers	2731	# install some emergency cleanup handlers
2241	BEGIN {	2732	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2733	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2734	Event->signal (
		2735	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2245	signal => $signal,	2737	signal => $signal,
		2738	prio => 0,
2246	cb => sub {	2739	cb => sub {
2247	cf::cleanup "SIG$signal";	2740	cf::cleanup "SIG$signal";
2248	},	2741	},
2249	);	2742	);
2250	}	2743	}
2251	}	2744	}
2252		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
		2782	}
		2783
2253	sub emergency_save() {	2784	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2785	my $freeze_guard = cf::freeze_mainloop;
2255		2786
2256	warn "enter emergency perl save\n";	2787	warn "enter emergency perl save\n";
2257		2788
2258	cf::sync_job {	2789	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2790	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2791	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2792	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2793	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2794	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2795	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2796	$pl->valid or next;
2266	$pl->save;	2797	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2803	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2804	$map->valid or next;
2274	$map->save;	2805	$map->save;
2275	}	2806	}
2276	warn "end emergency map save\n";	2807	warn "end emergency map save\n";
		2808
		2809	warn "begin emergency database checkpoint\n";
		2810	BDB::db_env_txn_checkpoint $DB_ENV;
		2811	warn "end emergency database checkpoint\n";
2277	};	2812	};
2278		2813
2279	warn "leave emergency perl save\n";	2814	warn "leave emergency perl save\n";
2280	}	2815	}
2281		2816
		2817	sub post_cleanup {
		2818	my ($make_core) = @_;
		2819
		2820	warn Carp::longmess "post_cleanup backtrace"
		2821	if $make_core;
		2822	}
		2823
2282	sub reload() {	2824	sub do_reload_perl() {
2283	# can/must only be called in main	2825	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2827	warn "can only reload from main coroutine";
2286	return;	2828	return;
2287	}	2829	}
2288		2830
2289	warn "reloading...";	2831	warn "reloading...";
2290		2832
2291	warn "freezing server";	2833	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
2294		2839
2295	warn "sync database to disk";	2840	warn "syncing database to disk";
2296	cf::db_sync;	2841	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2842
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2843	# if anything goes wrong in here, we should simply crash as we already saved
2301		2844
2302	warn "cancel all watchers";	2845	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2848	}
2306		2849
		2850	warn "flushing outstanding aio requests";
		2851	for (;;) {
		2852	BDB::flush;
		2853	IO::AIO::flush;
		2854	Coro::cede;
		2855	last unless IO::AIO::nreqs || BDB::nreqs;
		2856	warn "iterate...";
		2857	}
		2858
		2859	++$RELOAD;
		2860
2307	warn "cancel all extension coros";	2861	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2863	%EXT_CORO = ();
2310		2864
2311	warn "remove commands";	2865	warn "removing commands";
2312	%COMMAND = ();	2866	%COMMAND = ();
2313		2867
2314	warn "remove ext commands";	2868	warn "removing ext commands";
2315	%EXTCMD = ();	2869	%EXTCMD = ();
2316		2870
2317	warn "unload/nuke all extensions";	2871	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2872	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2873	warn "... unloading $pkg";
2320		2874
2321	if (my $cb = $pkg->can ("unload")) {	2875	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2876	eval {
…		…
2327		2881
2328	warn "... nuking $pkg";	2882	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2883	Symbol::delete_package $pkg;
2330	}	2884	}
2331		2885
2332	warn "unload all perl modules loaded from $LIBDIR";	2886	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2887	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2889
2336	warn "removing <$k>";	2890	warn "... unloading $k";
2337	delete $INC{$k};	2891	delete $INC{$k};
2338		2892
2339	$k =~ s/\.pm$//;	2893	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2894	$k =~ s/\//::/g;
2341		2895
…		…
2344	}	2898	}
2345		2899
2346	Symbol::delete_package $k;	2900	Symbol::delete_package $k;
2347	}	2901	}
2348		2902
2349	warn "get rid of safe::, as good as possible";	2903	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2906
2353	warn "unload cf.pm \"a bit\"";	2907	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2355		2910
2356	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2912	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2359		2914
		2915	warn "unload completed, starting to reload now";
		2916
2360	warn "reloading cf.pm";	2917	warn "reloading cf.pm";
2361	require cf;	2918	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2920
2364	warn "load config and database again";	2921	warn "loading config and database again";
2365	cf::cfg_load;	2922	cf::cfg_load;
2366	cf::db_load;
2367		2923
2368	warn "load extensions";	2924	warn "loading extensions";
2369	cf::load_extensions;	2925	cf::load_extensions;
2370		2926
2371	warn "reattach attachments to objects/players";	2927	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2928	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2929	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2930	reattach $_ for values %MAP;
2375	};	2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
2376		2933
2377	if ($@) {	2934	warn "leaving sync_job";
		2935
		2936	1
		2937	} or do {
2378	warn $@;	2938	warn $@;
2379	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
2380	exit 1;	2940	exit 1;
2381	}	2941	};
2382		2942
2383	warn "reloaded";	2943	warn "reloaded";
2384	};	2944	};
2385		2945
2386	#############################################################################	2946	our $RELOAD_WATCHER; # used only during reload
2387		2947
2388	unless ($LINK_MAP) {	2948	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
2390		2951
2391	$LINK_MAP->width (41);	2952	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	2953	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	2954	after => 0,
		2955	data => WF_AUTOCANCEL,
2401	cb => sub {	2956	cb => sub {
2402	$_[0]->w->cancel;	2957	do_reload_perl;
2403		2958	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	2959	},
2422		2960	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	2961	}
2428		2962
2429	register_command "reload" => sub {	2963	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2431		2965
2432	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	2967	$who->message ("reloading server.");
		2968	async { reload_perl };
2436	}	2969	}
2437	};	2970	};
2438		2971
2439	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2440		2973
		2974	my $bug_warning = 0;
		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3000	reentrant => 0,
		3001	parked => 1,
2443	prio => 0,	3002	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2446	cb => sub {	3005	cb => sub {
		3006	if ($Coro::current != $Coro::main) {
		3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3008	unless ++$bug_warning > 10;
		3009	return;
		3010	}
		3011
		3012	$NOW = $tick_start = Event::time;
		3013
2447	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
		3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3037	};
		3038
2448	$RUNTIME += $TICK;	3039	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2450		3041
2451	$WAIT_FOR_TICK->broadcast;	3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3044	Coro::async_pool {
		3045	write_runtime
		3046	or warn "ERROR: unable to write runtime file: $!";
		3047	};
		3048	}
		3049
		3050	# my $AFTER = Event::time;
		3051	# warn $AFTER - $NOW;#d#
		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
2453		3061
2454	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3064
2457	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2459	},	3074	},
2460	);	3075	);
2461		3076
		3077	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3078	BDB::max_poll_time $TICK * 0.1;
2463		3079	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3080	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3081	fd => BDB::poll_fileno,
2466	poll => 'r',	3082	poll => 'r',
2467	prio => 5,	3083	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2474	after => 0,	3085	cb => \&BDB::poll_cb,
2475	interval => 10,	3086	);
2476	cb => sub {	3087	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3088
2478	write_runtime	3089	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3090	my $status;
		3091	my $current = $Coro::current;
		3092	(
		3093	sub {
		3094	$status = $!;
		3095	$current->ready; undef $current;
		3096	},
		3097	sub {
		3098	Coro::schedule while defined $current;
		3099	$! = $status;
		3100	},
		3101	)
		3102	};
		3103
		3104	unless ($DB_ENV) {
		3105	$DB_ENV = BDB::db_env_create;
		3106
		3107	cf::sync_job {
		3108	eval {
		3109	BDB::db_env_open
		3110	$DB_ENV,
		3111	$BDBDIR,
		3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3114	0666;
		3115
		3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3117
		3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3119	$DB_ENV->set_lk_detect;
		3120	};
		3121
		3122	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3123	};
2481	},	3124	}
2482	);	3125	}
		3126
		3127	{
		3128	IO::AIO::min_parallel 8;
		3129
		3130	undef $Coro::AIO::WATCHER;
		3131	IO::AIO::max_poll_time $TICK * 0.1;
		3132	$AIO_POLL_WATCHER = Event->io (
		3133	reentrant => 0,
		3134	data => WF_AUTOCANCEL,
		3135	fd => IO::AIO::poll_fileno,
		3136	poll => 'r',
		3137	prio => 6,
		3138	cb => \&IO::AIO::poll_cb,
		3139	);
		3140	}
		3141
		3142	my $_log_backtrace;
		3143
		3144	sub _log_backtrace {
		3145	my ($msg, @addr) = @_;
		3146
		3147	$msg =~ s/\n//;
		3148
		3149	# limit the # of concurrent backtraces
		3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
		3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
		3177	}
		3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
2483		3182
2484	END { cf::emergency_save }	3183	END { cf::emergency_save }
2485		3184
2486	1	3185	1
2487		3186

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