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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		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 JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	132	every server tick.
100		133
101	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		171
126	=back	172	=back
127		173
128	=cut	174	=cut
129		175
130	BEGIN {	176	BEGIN {
131	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	178	my $msg = join "", @_;
133	utf8::encode $msg;
134		179
135	$msg .= "\n"	180	$msg .= "\n"
136	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
137		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
138	LOG llevError, $msg;	186	LOG llevError, $msg;
139	};	187	};
140	}	188	}
141		189
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		197
149	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	199	# within the Safe compartment.
151	for my $pkg (qw(	200	for my $pkg (qw(
152	cf::global cf::attachable	201	cf::global cf::attachable
…		…
160	}	209	}
161		210
162	$Event::DIED = sub {	211	$Event::DIED = sub {
163	warn "error in event callback: @_";	212	warn "error in event callback: @_";
164	};	213	};
		214
		215	#############################################################################
165		216
166	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
167		218
168	=over 4	219	=over 4
169		220
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	240	$d
190	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
191	}	242	}
192		243
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
196		245
197	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
198		247
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
207		249
208	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
209		251
210	=cut	252	=cut
211		253
212	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
214	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
216		258
217	=item cf::lock_wait $string	259	=item cf::lock_wait $string
218		260
219	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
220		262
…		…
226	returned.	268	returned.
227		269
228	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
230		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
231	=cut	277	=cut
232		278
233	our %LOCK;	279	our %LOCK;
234		280
235	sub lock_wait($) {	281	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
256	}	302	}
257	}	303	}
258		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
259	sub freeze_mainloop {	311	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
261		313
262	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
263	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
264	$guard	318	$guard
265	}	319	}
266		320
267	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
274		328
275	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
276		330
277	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
278		332
279	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
282		337
283	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
286	fast or be very important.	341	fast or be very important.
…		…
289		344
290	sub sync_job(&) {	345	sub sync_job(&) {
291	my ($job) = @_;	346	my ($job) = @_;
292		347
293	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
294	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
296		353
297	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
309		366
310	while ($busy) {	367	while ($busy) {
311	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
312	}	369	}
313		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
314	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
315	} else {	379	} else {
316	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
317		381
318	$job->()	382	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
338		402
339	$coro	403	$coro
340	}	404	}
341		405
342	sub write_runtime {	406	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		407
345	my $runtime = cf::localdir . "/runtime";	408	Executes the given code block with the given arguments in a seperate
		409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
346		412
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	413	=cut
348	or return;
349		414
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	415	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	416	open my $fh, ">", \my $buf
352	and return;	417	or die "fork_call: cannot open fh-to-buf in child : $!";
353		418	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	419	close $fh;
358	or return;
359		420
360	aio_rename "$runtime~", $runtime	421	$buf
361	and return;	422	}
362		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
363	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	593	}
365		594
366	=back	595	=back
367		596
368	=cut	597	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
377		606
378	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	609	Crossfire TRT).
381		610
382	=over 4	611	=over 4
383		612
384	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
385		614
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	729	our @CB_MAP = ();
501		730
502	my %attachment;	731	my %attachment;
503		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
504	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
506		741
507	use sort 'stable';	742	use sort 'stable';
508		743
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
543		778
544	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		783
549	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	785	my $pkg = shift @arg;
551		786
552	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
582	}	817	}
583		818
584	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
585	} else {	820	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	822	}
588		823
589	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
590	}	825	}
591		826
…		…
593	if (ref $_[0]) {	828	if (ref $_[0]) {
594	_object_attach @_;	829	_object_attach @_;
595	} else {	830	} else {
596	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
597	}	832	}
		833	_recalc_want;
598	};	834	};
599		835
600	# all those should be optimised	836	# all those should be optimised
601	sub cf::attachable::detach {	837	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
606	reattach ($obj);	842	reattach ($obj);
607	} else {	843	} else {
608	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
609	}	845	}
		846	_recalc_want;
610	};	847	};
611		848
612	sub cf::attachable::attached {	849	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
614		851
…		…
679	# object support	916	# object support
680		917
681	sub reattach {	918	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		923
685	my $registry = $obj->registry;	924	my $registry = $obj->registry;
686		925
687	@$registry = ();	926	@$registry = ();
688		927
…		…
735	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
736		975
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	980	close $fh;
742		981
743	if (@$objs) {	982	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	988	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
751	}	990	}
752	} else {	991	} else {
753	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
785	or return;	1024	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1026	}
788		1027
789	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1030	return ($data, $av);
792	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
793		1038
794	#############################################################################	1039	#############################################################################
795	# command handling &c	1040	# command handling &c
796		1041
797	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1056	}
812		1057
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1059
815	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
816		1065
817	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
818	called.	1067	called.
819		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
820	=cut	1080	=cut
821		1081
822	sub register_extcmd {	1082	sub register_extcmd {
823	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
824		1084
825	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
826	}	1092	}
827		1093
828	cf::player->attach (	1094	cf::player->attach (
829	on_command => sub {	1095	on_command => sub {
830	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1105	cf::override;
840	},	1106	},
841	on_extcmd => sub {	1107	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
843		1109
844	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1111
846	if (ref $msg) {	1112	if (ref $msg) {
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
848	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
849	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
855		1121
856	cf::override;	1122	cf::override;
857	},	1123	},
858	);	1124	);
859		1125
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
895	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1131	next unless -r $path;
897	eval {	1132
898	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
899	1	1190	}
900	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
901	}	1196	};
902	}	1197	}
903		1198
904	#############################################################################	1199	#############################################################################
905	# load/save/clean perl data associated with a map
906		1200
907	*cf::mapsupport::on_clean = sub {	1201	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1202
920	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
921		1204
922	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
923		1206
…		…
936	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
937		1220
938	=cut	1221	=cut
939		1222
940	sub playerdir($) {	1223	sub playerdir($) {
941	cf::localdir	1224	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1226	}
947		1227
948	sub path($) {	1228	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1230
951	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
952	}	1232	}
953		1233
954	sub find_active($) {	1234	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
959		1239
960	sub exists($) {	1240	sub exists($) {
961	my ($login) = @_;	1241	my ($login) = @_;
962		1242
963	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
965	}	1245	}
966		1246
967	sub find($) {	1247	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1249	my $login = $_[0];
970		1250
971	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
972		1252
973	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
974	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
975	or return;	1262	or return;
976	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
977	}	1264	}
978	}	1265	}
…		…
1015		1302
1016	=cut	1303	=cut
1017		1304
1018	sub quit_character {	1305	sub quit_character {
1019	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1020		1309
1021	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1312
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1034	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1035	}	1344	}
1036		1345
1037	=item cf::player::list_logins	1346	=item cf::player::list_logins
1038		1347
1039	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1041		1350
1042	=cut	1351	=cut
1043		1352
1044	sub list_logins {	1353	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1355	or return [];
1047		1356
1048	my @logins;	1357	my @logins;
1049		1358
1050	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1067	=cut	1376	=cut
1068		1377
1069	sub maps($) {	1378	sub maps($) {
1070	my ($pl) = @_;	1379	my ($pl) = @_;
1071		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1072	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1073	or return;	1384	or return;
1074		1385
1075	my @paths;	1386	my @paths;
1076		1387
1077	for (@$files) {	1388	for (@$files) {
1078	utf8::decode $_;	1389	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1081		1392
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1394	}
1084		1395
1085	\@paths	1396	\@paths
1086	}	1397	}
1087		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1089		1450
1090	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1091		1452
1092	=cut	1453	=cut
1093		1454
1094	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1095	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1096		1457
1097	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1098		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1460	}
1101		1461
1102	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1103		1502
1104	=back	1503	=back
1105
1106		1504
1107	=head3 cf::map	1505	=head3 cf::map
1108		1506
1109	=over 4	1507	=over 4
1110		1508
…		…
1114		1512
1115	use Fcntl;	1513	use Fcntl;
1116	use Coro::AIO;	1514	use Coro::AIO;
1117		1515
1118	use overload	1516	use overload
1119	'""' => \&as_string;	1517	'""' => \&as_string,
		1518	fallback => 1;
1120		1519
1121	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1123		1522
1124	sub generate_random_map {	1523	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1526	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1538	)
1141	}	1539	}
1142		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
1143	sub register {	1549	sub register {
1144	my (undef, $regex) = @_;	1550	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1551	my $pkg = caller;
1146		1552
1147	no strict;	1553	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1554	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1555
1150	$EXT_MAP{$pkg} = qr<$regex>;	1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1557	}
1152		1558
1153	# also paths starting with '/'	1559	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
1155		1571
1156	sub normalise {	1572	sub normalise {
1157	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1158		1578
1159	# map plan:	1579	# map plan:
1160	#	1580	#
1161	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1190		1610
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1612
1193	$path = normalise $path, $base;	1613	$path = normalise $path, $base;
1194		1614
1195	for my $pkg (keys %EXT_MAP) {	1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1617	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1618	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1200	return $self;	1620	return $self;
1201	}	1621	}
1202	}	1622	}
1203		1623
1204	Carp::carp "unable to resolve path '$path'.";	1624	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1625	()
1206	}	1626	}
1207		1627
1208	sub init {	1628	sub init {
1209	my ($self) = @_;	1629	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1640	# the displayed name, this is a one way mapping
1221	sub visible_name {	1641	sub visible_name {
1222	&as_string	1642	&as_string
1223	}	1643	}
1224		1644
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1645	# the original (read-only) location
1233	sub load_path {	1646	sub load_path {
1234	my ($self) = @_;	1647	my ($self) = @_;
1235		1648
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1237	}	1650	}
1238		1651
1239	# the temporary/swap location	1652	# the temporary/swap location
1240	sub save_path {	1653	sub save_path {
1241	my ($self) = @_;	1654	my ($self) = @_;
1242		1655
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
1244	}	1658	}
1245		1659
1246	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1247	sub uniq_path {	1661	sub uniq_path {
1248	my ($self) = @_;	1662	my ($self) = @_;
1249		1663
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1251	}	1666	}
1252		1667
1253	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1254	# all maps in C++...	1669	# all maps in C++...
1255	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1257		1672
1258	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1260	}	1675	}
1261		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1262	sub unlink_save {	1685	sub unlink_save {
1263	my ($self) = @_;	1686	my ($self) = @_;
1264		1687
1265	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1691	}
1269		1692
1270	sub load_header_from($) {	1693	sub load_header_from($) {
1271	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1272		1695
1273	utf8::encode $path;	1696	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1275	or return;	1698	# or return;
1276		1699
1277	$self->_load_header ($path)	1700	$self->_load_header ($path)
1278	or return;	1701	or return;
1279		1702
1280	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
1281		1704
1282	1	1705	1
1283	}	1706	}
1284		1707
1285	sub load_orig {	1708	sub load_header_orig {
1286	my ($self) = @_;	1709	my ($self) = @_;
1287		1710
1288	$self->load_header_from ($self->load_path)	1711	$self->load_header_from ($self->load_path)
1289	}	1712	}
1290		1713
1291	sub load_temp {	1714	sub load_header_temp {
1292	my ($self) = @_;	1715	my ($self) = @_;
1293		1716
1294	$self->load_header_from ($self->save_path)	1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
1295	}	1737	}
1296		1738
1297	sub load_header {	1739	sub load_header {
1298	my ($self) = @_;	1740	my ($self) = @_;
1299		1741
1300	if ($self->load_temp) {	1742	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1743	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1744	} else {
1307	$self->load_orig	1745	$self->load_header_orig
1308	or return;	1746	or return;
1309		1747	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1748	}
		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
1315		1755
1316	1	1756	1
1317	}	1757	}
1318		1758
1319	sub find;	1759	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1333		1773
1334	$map->load_header	1774	$map->load_header
1335	or return;	1775	or return;
1336		1776
1337	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1780	$map->reset;
1339	undef $guard;	1781	undef $guard;
1340	$map = find $path	1782	return find $path;
1341	or return;
1342	}	1783	}
1343		1784
1344	$cf::MAP{$path} = $map	1785	$cf::MAP{$path} = $map
1345	}	1786	}
1346	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1347		1791
1348	sub load {	1792	sub load {
1349	my ($self) = @_;	1793	my ($self) = @_;
1350		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1351	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1353		1801
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1803
1356	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1357		1805
1358	$self->alloc;	1806	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1807
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1809	Coro::cede;
1383	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1829	unless $self->difficulty;
1386	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1387	$self->activate;	1839	$self->activate;
1388	}	1840	}
1389		1841
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
1391	}	1846	}
1392		1847
1393	sub customise_for {	1848	sub customise_for {
1394	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1395		1850
1396	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1398		1856
1399	$self	1857	$self
1400	}	1858	}
1401		1859
1402	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1434		1892
1435	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1436	}	1894	}
1437		1895
1438	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1898
1452	sub find_async {	1899	sub find_async {
1453	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1454		1901
1455	$path = normalise $path, $origin && $origin->{path};	1902	$path = normalise $path, $origin && $origin->{path};
1456		1903
1457	if (my $map = $cf::MAP{$path}) {	1904	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1906	}
1460		1907
1461	$MAP_PREFETCH{$path} = 0;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	if (my $map = find $path) {
		1913	$map->load;
		1914	}
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1462	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1463		1922
1464	()	1923	()
1465	}	1924	}
1466		1925
1467	sub save {	1926	sub save {
…		…
1512		1971
1513	sub reset_at {	1972	sub reset_at {
1514	my ($self) = @_;	1973	my ($self) = @_;
1515		1974
1516	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1519		1977
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		1980
…		…
1527	my ($self) = @_;	1985	my ($self) = @_;
1528		1986
1529	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1530	}	1988	}
1531		1989
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	1990	sub reset {
1547	my ($self) = @_;	1991	my ($self) = @_;
1548		1992
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		1994
1551	return if $self->players;	1995	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		1996
1554	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1555		2008
1556	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1557		2012
1558	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1559		2014
1560	$self->unlink_save;	2015	$self->unlink_save;
1561	$self->destroy;	2016	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1565		2020
1566	sub nuke {	2021	sub nuke {
1567	my ($self) = @_;	2022	my ($self) = @_;
1568		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1572	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
		2037	}
		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
1573	}	2073	}
1574		2074
1575	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1576		2076
1577	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2078	instantiated unique items. May block.
1579		2079
1580	=cut	2080	=cut
1581		2081
1582	sub unique_maps() {	2082	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1584	or return;	2084	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2085	utf8::decode $_;
1590	next if /\.pst$/;	2086	/\.map$/
1591	next unless /^$PATH_SEP/o;	2087	? normalise $_
1592		2088	: ()
1593	push @paths, $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2090	]
1595
1596	\@paths
1597	}	2091	}
1598		2092
1599	package cf;	2093	package cf;
1600		2094
1601	=back	2095	=back
…		…
1647		2141
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2143
1650	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1652	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1655	}	2163	}
1656	}	2164	}
1657		2165
1658	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1659		2167
…		…
1692	=cut	2200	=cut
1693		2201
1694	sub link_map {	2202	sub link_map {
1695	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2206	$LINK_MAP->load;
1699	}	2207	}
1700		2208
1701	$LINK_MAP	2209	$LINK_MAP
1702	}	2210	}
…		…
1707	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1708		2216
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2218
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1713		2221
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2223	}
1716		2224
1717	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1719		2229
1720	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1721		2231
1722	unless ($map) {	2232	unless ($map) {
1723	# restore original map position	2233	# restore original map position
…		…
1741	$map->load;	2251	$map->load;
1742	$map->load_diag;	2252	$map->load_diag;
1743		2253
1744	return unless $self->contr->active;	2254	return unless $self->contr->active;
1745	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1747	}	2259	}
1748		2260
1749	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2262
1753	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1757	};	2267	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2268
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)
1782
1783	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1784		2272
1785	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
		2275
		2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2278
1788	$self->enter_link;	2279	$self->enter_link;
1789		2280
1790	(async {	2281	(async {
		2282	my $map = eval {
1791	my $map = cf::map::find $path;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
1793		2287	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2288	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1798		2291
		2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
		2298	}
		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1800	})->prio (1);	2306	})->prio (1);
1801	}	2307	}
1802		2308
1803	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1804		2310
…		…
1806		2312
1807	sub parse_random_map_params {	2313	sub parse_random_map_params {
1808	my ($spec) = @_;	2314	my ($spec) = @_;
1809		2315
1810	my $rmp = { # defaults	2316	my $rmp = { # defaults
1811	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1813	};	2321	};
1814		2322
1815	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1817		2325
…		…
1821	$rmp	2329	$rmp
1822	}	2330	}
1823		2331
1824	sub prepare_random_map {	2332	sub prepare_random_map {
1825	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2336
1827	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2339	# that depends on the exit object
1830		2340
1831	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1832		2342
1833	if ($exit->map) {	2343	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1838	}	2348	}
1839		2349
1840	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1841		2351
1842	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1844		2355
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
		2358	undef $fh;
		2359	aio_rename "$meta~", $meta;
1847		2360
1848	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2362	$exit->msg (undef);
1850	}	2363	}
1851	}	2364	}
…		…
1853	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1855		2368
1856	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1857		2370
		2371	if ($exit->slaying eq "/!") {
		2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
		2375	cf::sync_job { prepare_random_map $exit };
		2376	}
		2377
		2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2379	my $hp = $exit->stats->hp;
		2380	my $sp = $exit->stats->sp;
		2381
1858	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1859		2387
1860	(async {	2388	(async {
1861	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2390	unless (eval {
1863	prepare_random_map $exit	2391	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2392
1869	1;	2393	1;
1870	}) {	2394	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2397	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2399
1876	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2401	$self->leave_link;
1878	}	2402	}
1879	})->prio (1);	2403	})->prio (1);
…		…
1892		2416
1893	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1895		2419
1896	utf8::encode $text;	2420	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2422	}
1899		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1900		2478
1901	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1902		2480
1903	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2484
1907	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2486	become reliable at some point in the future.
1909		2487
1910	=cut	2488	=cut
1911		2489
1912	sub cf::client::query {	2490	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2499	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2501
1924	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1926	}	2506	}
1927		2507
1928	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1929	on_reply => sub {	2514	on_reply => sub {
1930	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1931		2516
1932	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1933	# get handled first	2518	# get handled first
1934	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2521
1937	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2524
1939	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1940		2526
1941	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2528	if (@$queue) {
…		…
1944	} else {	2530	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2532	}
1947	}	2533	}
1948	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
1949	);	2553	);
1950		2554
1951	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
1952		2556
1953	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2000		2604
2001	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
2002		2606
2003	=pod	2607	=pod
2004		2608
2005	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2006		2610
2007	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2008	cf::object::player player	2615	cf::object::player
2009	cf::player peaceful	2616	player
2010	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2011		2623
2012	=cut	2624	=cut
2013		2625
2014	for (	2626	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2016	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2019	) {	2632	) {
2020	no strict 'refs';	2633	no strict 'refs';
…		…
2091	=back	2704	=back
2092		2705
2093	=cut	2706	=cut
2094		2707
2095	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
2096		2710
2097	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
2098		2713
2099	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2715
2103	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
2104	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
2105		2719
2106	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
2107		2721
2108	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
2109		2724
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key
2115
2116	Returns a single value from the database
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
2146		2727
2147	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2148		2734
2149	sub db_save() {	2735	cf::cede_to_tick;
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});
2169
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {
2176	@_ >= 2
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180
2181	sub db_put($$;$) {
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2736	}
2195	);
2196	}
2197		2737
2198	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a*)*", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
		2792	}
		2793
		2794	1
		2795	}
		2796
		2797	sub reload_regions {
		2798	load_resource_file "$MAPDIR/regions"
		2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
		2805	}
		2806
		2807	sub reload_facedata {
		2808	load_facedata "$DATADIR/facedata"
		2809	or die "unable to load facedata\n";
		2810	}
		2811
		2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
		2820	}
		2821
		2822	sub reload_treasures {
		2823	load_resource_file "$DATADIR/treasures"
		2824	or die "unable to load treasurelists\n";
		2825	}
		2826
		2827	sub reload_resources {
		2828	warn "reloading resource files...\n";
		2829
		2830	reload_regions;
		2831	reload_facedata;
		2832	#reload_archetypes;#d#
		2833	reload_archetypes;
		2834	reload_treasures;
		2835
		2836	warn "finished reloading resource files\n";
		2837	}
		2838
		2839	sub init {
		2840	reload_resources;
		2841	}
2200		2842
2201	sub cfg_load {	2843	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2845	or return;
2204		2846
2205	local $/;	2847	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2848	*CFG = YAML::Syck::Load <$fh>;
2207		2849
…		…
2221		2863
2222	sub main {	2864	sub main {
2223	# we must not ever block the main coroutine	2865	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2866	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2868	(async {
2226	async { Event::one_event };	2869	Event::one_event;
		2870	})->prio (Coro::PRIO_MAX);
2227	};	2871	};
2228		2872
2229	cfg_load;	2873	cfg_load;
2230	db_load;	2874	db_init;
2231	load_extensions;	2875	load_extensions;
		2876
		2877	$TICK_WATCHER->start;
2232	Event::loop;	2878	Event::loop;
2233	}	2879	}
2234		2880
2235	#############################################################################	2881	#############################################################################
2236	# initialisation and cleanup	2882	# initialisation and cleanup
2237		2883
2238	# install some emergency cleanup handlers	2884	# install some emergency cleanup handlers
2239	BEGIN {	2885	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2886	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2887	Event->signal (
		2888	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2889	data => WF_AUTOCANCEL,
2243	signal => $signal,	2890	signal => $signal,
		2891	prio => 0,
2244	cb => sub {	2892	cb => sub {
2245	cf::cleanup "SIG$signal";	2893	cf::cleanup "SIG$signal";
2246	},	2894	},
2247	);	2895	);
2248	}	2896	}
2249	}	2897	}
2250		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2251	sub emergency_save() {	2937	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2253		2939
2254	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2255		2941
2256	cf::sync_job {	2942	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	2943	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	2944	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	2945	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	2946	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	2947	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	2948	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	2949	$pl->valid or next;
2264	$pl->save;	2950	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	2956	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	2957	$map->valid or next;
2272	$map->save;	2958	$map->save;
2273	}	2959	}
2274	warn "end emergency map save\n";	2960	warn "end emergency map save\n";
		2961
		2962	warn "begin emergency database checkpoint\n";
		2963	BDB::db_env_txn_checkpoint $DB_ENV;
		2964	warn "end emergency database checkpoint\n";
2275	};	2965	};
2276		2966
2277	warn "leave emergency perl save\n";	2967	warn "leave emergency perl save\n";
2278	}	2968	}
2279		2969
		2970	sub post_cleanup {
		2971	my ($make_core) = @_;
		2972
		2973	warn Carp::longmess "post_cleanup backtrace"
		2974	if $make_core;
		2975	}
		2976
2280	sub reload() {	2977	sub do_reload_perl() {
2281	# can/must only be called in main	2978	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	2980	warn "can only reload from main coroutine";
2284	return;	2981	return;
2285	}	2982	}
2286		2983
2287	warn "reloading...";	2984	warn "reloading...";
2288		2985
2289	warn "freezing server";	2986	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
2292		2992
2293	warn "sync database to disk";	2993	warn "syncing database to disk";
2294	cf::db_sync;	2994	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		2995
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	2996	# if anything goes wrong in here, we should simply crash as we already saved
2299		2997
2300	warn "cancel all watchers";	2998	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3001	}
2304		3002
		3003	warn "flushing outstanding aio requests";
		3004	for (;;) {
		3005	BDB::flush;
		3006	IO::AIO::flush;
		3007	Coro::cede;
		3008	last unless IO::AIO::nreqs || BDB::nreqs;
		3009	warn "iterate...";
		3010	}
		3011
		3012	++$RELOAD;
		3013
2305	warn "cancel all extension coros";	3014	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3016	%EXT_CORO = ();
2308		3017
2309	warn "remove commands";	3018	warn "removing commands";
2310	%COMMAND = ();	3019	%COMMAND = ();
2311		3020
2312	warn "remove ext commands";	3021	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2314		3024
2315	warn "unload/nuke all extensions";	3025	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2318		3028
2319	if (my $cb = $pkg->can ("unload")) {	3029	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3030	eval {
…		…
2325		3035
2326	warn "... nuking $pkg";	3036	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3037	Symbol::delete_package $pkg;
2328	}	3038	}
2329		3039
2330	warn "unload all perl modules loaded from $LIBDIR";	3040	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3041	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3043
2334	warn "removing <$k>";	3044	warn "... unloading $k";
2335	delete $INC{$k};	3045	delete $INC{$k};
2336		3046
2337	$k =~ s/\.pm$//;	3047	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3048	$k =~ s/\//::/g;
2339		3049
…		…
2342	}	3052	}
2343		3053
2344	Symbol::delete_package $k;	3054	Symbol::delete_package $k;
2345	}	3055	}
2346		3056
2347	warn "get rid of safe::, as good as possible";	3057	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3060
2351	warn "unload cf.pm \"a bit\"";	3061	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
2353		3064
2354	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3066	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
2357		3068
		3069	warn "unload completed, starting to reload now";
		3070
2358	warn "reloading cf.pm";	3071	warn "reloading cf.pm";
2359	require cf;	3072	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3074
2362	warn "load config and database again";	3075	warn "loading config and database again";
2363	cf::cfg_load;	3076	cf::cfg_load;
2364	cf::db_load;
2365		3077
2366	warn "load extensions";	3078	warn "loading extensions";
2367	cf::load_extensions;	3079	cf::load_extensions;
2368		3080
2369	warn "reattach attachments to objects/players";	3081	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3082	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3083	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3084	reattach $_ for values %MAP;
2373	};	3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
2374		3087
2375	if ($@) {	3088	warn "leaving sync_job";
		3089
		3090	1
		3091	} or do {
2376	warn $@;	3092	warn $@;
2377	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
2378	exit 1;	3094	exit 1;
2379	}	3095	};
2380		3096
2381	warn "reloaded";	3097	warn "reloaded";
2382	};	3098	};
2383		3099
		3100	our $RELOAD_WATCHER; # used only during reload
		3101
		3102	sub reload_perl() {
		3103	# doing reload synchronously and two reloads happen back-to-back,
		3104	# coro crashes during coro_state_free->destroy here.
		3105
		3106	$RELOAD_WATCHER ||= Event->timer (
		3107	reentrant => 0,
		3108	after => 0,
		3109	data => WF_AUTOCANCEL,
		3110	cb => sub {
		3111	do_reload_perl;
		3112	undef $RELOAD_WATCHER;
		3113	},
		3114	);
		3115	}
		3116
2384	register_command "reload" => sub {	3117	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
2386		3119
2387	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3121	$who->message ("reloading server.");
		3122	async { reload_perl };
2391	}	3123	}
2392	};	3124	};
2393		3125
2394	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
2395		3127
		3128	my $bug_warning = 0;
		3129
		3130	our @WAIT_FOR_TICK;
		3131	our @WAIT_FOR_TICK_BEGIN;
		3132
		3133	sub wait_for_tick {
		3134	return unless $TICK_WATCHER->is_active;
		3135	return if $Coro::current == $Coro::main;
		3136
		3137	my $signal = new Coro::Signal;
		3138	push @WAIT_FOR_TICK, $signal;
		3139	$signal->wait;
		3140	}
		3141
		3142	sub wait_for_tick_begin {
		3143	return unless $TICK_WATCHER->is_active;
		3144	return if $Coro::current == $Coro::main;
		3145
		3146	my $signal = new Coro::Signal;
		3147	push @WAIT_FOR_TICK_BEGIN, $signal;
		3148	$signal->wait;
		3149	}
		3150
		3151	my $min = 1e6;#d#
		3152	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3154	reentrant => 0,
		3155	parked => 1,
2398	prio => 0,	3156	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2401	cb => sub {	3159	cb => sub {
		3160	if ($Coro::current != $Coro::main) {
		3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3162	unless ++$bug_warning > 10;
		3163	return;
		3164	}
		3165
2402	$NOW = Event::time;	3166	$NOW = $tick_start = Event::time;
2403		3167
2404	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
		3169
		3170	0 && sync_job {#d#
		3171	for(1..10) {
		3172	my $t = Event::time;
		3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3174	or die;
		3175
		3176	$map->width (50);
		3177	$map->height (50);
		3178	$map->alloc;
		3179	$map->_load_objects ("/tmp/x.map", 1);
		3180	my $t = Event::time - $t;
		3181
		3182	#next unless $t < 0.0013;#d#
		3183	if ($t < $min) {
		3184	$min = $t;
		3185	}
		3186	$avg = $avg * 0.99 + $t * 0.01;
		3187	}
		3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3189	exit 0;
		3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3191	};
		3192
2405	$RUNTIME += $TICK;	3193	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
2407		3195
2408	$WAIT_FOR_TICK->broadcast;	3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3198	Coro::async_pool {
		3199	write_runtime
		3200	or warn "ERROR: unable to write runtime file: $!";
		3201	};
		3202	}
		3203
		3204	# my $AFTER = Event::time;
		3205	# warn $AFTER - $NOW;#d#
		3206
		3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3208	$sig->send;
		3209	}
		3210	while (my $sig = shift @WAIT_FOR_TICK) {
		3211	$sig->send;
		3212	}
		3213
		3214	$NOW = Event::time;
2410		3215
2411	# if we are delayed by four ticks or more, skip them all	3216	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3218
2414	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3220	$TICK_WATCHER->start;
		3221
		3222	$LOAD = ($NOW - $tick_start) / $TICK;
		3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3224
		3225	_post_tick;
		3226
		3227
2416	},	3228	},
2417	);	3229	);
2418		3230
		3231	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3232	BDB::max_poll_time $TICK * 0.1;
2420		3233	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3234	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3235	fd => BDB::poll_fileno,
2423	poll => 'r',	3236	poll => 'r',
2424	prio => 5,	3237	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3238	data => WF_AUTOCANCEL,
2431	after => 0,	3239	cb => \&BDB::poll_cb,
2432	interval => 10,	3240	);
2433	cb => sub {	3241	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3242
2435	write_runtime	3243	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3244	my $status;
		3245	my $current = $Coro::current;
		3246	(
		3247	sub {
		3248	$status = $!;
		3249	$current->ready; undef $current;
		3250	},
		3251	sub {
		3252	Coro::schedule while defined $current;
		3253	$! = $status;
		3254	},
		3255	)
		3256	};
		3257
		3258	unless ($DB_ENV) {
		3259	$DB_ENV = BDB::db_env_create;
		3260
		3261	cf::sync_job {
		3262	eval {
		3263	BDB::db_env_open
		3264	$DB_ENV,
		3265	$BDBDIR,
		3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3268	0666;
		3269
		3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3271
		3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3273	$DB_ENV->set_lk_detect;
		3274	};
		3275
		3276	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3277	};
2438	},	3278	}
2439	);	3279	}
		3280
		3281	{
		3282	IO::AIO::min_parallel 8;
		3283
		3284	undef $Coro::AIO::WATCHER;
		3285	IO::AIO::max_poll_time $TICK * 0.1;
		3286	$AIO_POLL_WATCHER = Event->io (
		3287	reentrant => 0,
		3288	data => WF_AUTOCANCEL,
		3289	fd => IO::AIO::poll_fileno,
		3290	poll => 'r',
		3291	prio => 6,
		3292	cb => \&IO::AIO::poll_cb,
		3293	);
		3294	}
		3295
		3296	my $_log_backtrace;
		3297
		3298	sub _log_backtrace {
		3299	my ($msg, @addr) = @_;
		3300
		3301	$msg =~ s/\n//;
		3302
		3303	# limit the # of concurrent backtraces
		3304	if ($_log_backtrace < 2) {
		3305	++$_log_backtrace;
		3306	async {
		3307	my @bt = fork_call {
		3308	@addr = map { sprintf "%x", $_ } @addr;
		3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3311	or die "addr2line: $!";
		3312
		3313	my @funcs;
		3314	my @res = <$fh>;
		3315	chomp for @res;
		3316	while (@res) {
		3317	my ($func, $line) = splice @res, 0, 2, ();
		3318	push @funcs, "[$func] $line";
		3319	}
		3320
		3321	@funcs
		3322	};
		3323
		3324	LOG llevInfo, "[ABT] $msg\n";
		3325	LOG llevInfo, "[ABT] $_\n" for @bt;
		3326	--$_log_backtrace;
		3327	};
		3328	} else {
		3329	LOG llevInfo, "[ABT] $msg\n";
		3330	LOG llevInfo, "[ABT] [suppressed]\n";
		3331	}
		3332	}
		3333
		3334	# load additional modules
		3335	use cf::pod;
2440		3336
2441	END { cf::emergency_save }	3337	END { cf::emergency_save }
2442		3338
2443	1	3339	1
2444		3340

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