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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.313 by root, Sun Jul 22 14:17:58 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
26	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
30		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		43
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
39		46
40	$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
41		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
42	our %COMMAND = ();	51	our %COMMAND = ();
43	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
44		53
45	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
49		59
50	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
51	our @EVENT;	61	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		62
54	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(!)
55	our $TICK_WATCHER;	76	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	79	our $NEXT_TICK;
59	our $NOW;	80	our $NOW;
…		…
68	our $RUNTIME;	89	our $RUNTIME;
69		90
70	our %PLAYER; # all users	91	our %PLAYER; # all users
71	our %MAP; # all maps	92	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		94
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		101
82	binmode STDOUT;	102	binmode STDOUT;
83	binmode STDERR;	103	binmode STDERR;
84		104
85	# read virtual server time, if available	105	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
90	}	110	}
91		111
92	mkdir cf::localdir;	112	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		114
99	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
100		116
101	sub cf::map::normalise;	117	sub cf::map::normalise;
102		118
…		…
113	=item $cf::RUNTIME	129	=item $cf::RUNTIME
114		130
115	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
116	every server tick.	132	every server tick.
117		133
118	=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
119		137
120	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		142
123	=item $cf::NOW	143	=item $cf::NOW
124		144
125	The time of the last (current) server tick.	145	The time of the last (current) server tick.
126		146
127	=item $cf::TICK	147	=item $cf::TICK
128		148
129	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.
130		160
131	=item %cf::CFG	161	=item %cf::CFG
132		162
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	164	from wherever your confdir points to.
135		165
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		167
138	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
139	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
140	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.
141	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
142		177
143	=back	178	=back
144		179
145	=cut	180	=cut
146		181
147	BEGIN {	182	BEGIN {
148	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	184	my $msg = join "", @_;
150	utf8::encode $msg;
151		185
152	$msg .= "\n"	186	$msg .= "\n"
153	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
154		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
155	LOG llevError, $msg;	192	LOG llevError, $msg;
156	};	193	};
157	}	194	}
158		195
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		203
166	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	205	# within the Safe compartment.
168	for my $pkg (qw(	206	for my $pkg (qw(
169	cf::global cf::attachable	207	cf::global cf::attachable
…		…
177	}	215	}
178		216
179	$Event::DIED = sub {	217	$Event::DIED = sub {
180	warn "error in event callback: @_";	218	warn "error in event callback: @_";
181	};	219	};
		220
		221	#############################################################################
182		222
183	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
184		224
185	=over 4	225	=over 4
186		226
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	246	$d
207	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
208	}	248	}
209		249
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
213		251
214	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
215		253
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
224		255
225	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
226		257
227	=cut	258	=cut
228		259
229	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
231	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
243	returned.	274	returned.
244		275
245	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
247		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
248	=cut	283	=cut
249		284
250	our %LOCK;	285	our %LOCK;
251		286
252	sub lock_wait($) {	287	sub lock_wait($) {
…		…
269		304
270	Coro::guard {	305	Coro::guard {
271	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
273	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
274	}	315	}
275		316
276	sub freeze_mainloop {	317	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
278		319
…		…
293		334
294	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
295		336
296	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
297		338
298	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
301		343
302	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
305	fast or be very important.	347	fast or be very important.
…		…
308		350
309	sub sync_job(&) {	351	sub sync_job(&) {
310	my ($job) = @_;	352	my ($job) = @_;
311		353
312	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
313	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
315		359
316	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
328		372
329	while ($busy) {	373	while ($busy) {
330	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
331	}	375	}
332		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
333	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
334	} else {	385	} else {
335	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
336		387
337	$job->()	388	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
357		408
358	$coro	409	$coro
359	}	410	}
360		411
361	sub write_runtime {	412	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		413
364	my $runtime = cf::localdir . "/runtime";	414	Executes the given code block with the given arguments in a seperate
		415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
365		418
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
367	or return;
368		420
369	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
370	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
371	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
372		424	Storable::store_fd $_[0], $fh;
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
374	and return;
375
376	# always fsync - this file is important
377	aio_fsync $fh
378	and return;
379
380	close $fh	425	close $fh;
381	or return;
382		426
383	aio_rename "$runtime~", $runtime	427	$buf
384	and return;	428	}
385		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
386	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	599	}
388		600
389	=back	601	=back
390		602
391	=cut	603	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
400		612
401	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	615	Crossfire TRT).
404		616
405	=over 4	617	=over 4
406		618
407	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
408		620
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
572		784
573	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		789
578	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	791	my $pkg = shift @arg;
580		792
581	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
611	}	823	}
612		824
613	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
614	} else {	826	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	828	}
617		829
618	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
619	}	831	}
620		832
…		…
622	if (ref $_[0]) {	834	if (ref $_[0]) {
623	_object_attach @_;	835	_object_attach @_;
624	} else {	836	} else {
625	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
626	}	838	}
		839	_recalc_want;
627	};	840	};
628		841
629	# all those should be optimised	842	# all those should be optimised
630	sub cf::attachable::detach {	843	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
635	reattach ($obj);	848	reattach ($obj);
636	} else {	849	} else {
637	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
638	}	851	}
		852	_recalc_want;
639	};	853	};
640		854
641	sub cf::attachable::attached {	855	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
643		857
…		…
658	";	872	";
659	die if $@;	873	die if $@;
660	}	874	}
661		875
662	our $override;	876	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		878
665	sub override {	879	sub override {
666	$override = 1;	880	$override = 1;
667	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
668	}	882	}
669		883
670	sub do_invoke {	884	sub do_invoke {
671	my $event = shift;	885	my $event = shift;
672	my $callbacks = shift;	886	my $callbacks = shift;
673		887
674	@invoke_results = ();	888	@INVOKE_RESULTS = ();
675		889
676	local $override;	890	local $override;
677		891
678	for (@$callbacks) {	892	for (@$callbacks) {
679	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
696		910
697	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
698		912
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		916
703	=back	917	=back
704		918
705	=cut	919	=cut
706		920
707	#############################################################################	921	#############################################################################
708	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
709		934
710	sub reattach {	935	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	937	my ($obj) = @_;
713		938
…		…
816	or return;	1041	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1043	}
819		1044
820	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1047	return ($data, $av);
823	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
824		1055
825	#############################################################################	1056	#############################################################################
826	# command handling &c	1057	# command handling &c
827		1058
828	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1073	}
843		1074
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1076
846	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
847		1082
848	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
849	called.	1084	called.
850		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
851	=cut	1097	=cut
852		1098
853	sub register_extcmd {	1099	sub register_extcmd {
854	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
855		1101
856	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
857	}	1109	}
858		1110
859	cf::player->attach (	1111	cf::player->attach (
860	on_command => sub {	1112	on_command => sub {
861	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1122	cf::override;
871	},	1123	},
872	on_extcmd => sub {	1124	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
874		1126
875	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1128
877	if (ref $msg) {	1129	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1138
887	cf::override;	1139	cf::override;
888	},	1140	},
889	);	1141	);
890		1142
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
926	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1148	next unless -r $path;
928	eval {	1149
929	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
930	1	1207	}
931	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
932	}	1213	};
933	}	1214	}
934		1215
935	#############################################################################	1216	#############################################################################
936		1217
		1218	=back
		1219
937	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
938		1221
939	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
940		1223
941	=cut	1224	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
954		1237
955	=cut	1238	=cut
956		1239
957	sub playerdir($) {	1240	sub playerdir($) {
958	cf::localdir	1241	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1243	}
964		1244
965	sub path($) {	1245	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1247
968	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
969	}	1249	}
970		1250
971	sub find_active($) {	1251	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1266	my $login = $_[0];
987		1267
988	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
989		1269
990	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
991	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
992	or return;	1279	or return;
993	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
994	}	1281	}
995	}	1282	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1080		1367
1081	=cut	1368	=cut
1082		1369
1083	sub list_logins {	1370	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1372	or return [];
1086		1373
1087	my @logins;	1374	my @logins;
1088		1375
1089	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1124	}	1411	}
1125		1412
1126	\@paths	1413	\@paths
1127	}	1414	}
1128		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1130		1467
1131	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1132		1469
1133	=cut	1470	=cut
1134		1471
1135	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1137		1474
1138	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1139		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1477	}
1142		1478
1143	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1144		1519
1145	=back	1520	=back
1146
1147		1521
1148	=head3 cf::map	1522	=head3 cf::map
1149		1523
1150	=over 4	1524	=over 4
1151		1525
…		…
1206	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1207		1581
1208	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1209	local $self->{path};	1583	local $self->{path};
1210	local $self->{load_path};	1584	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1585
1214	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1215	}	1587	}
1216		1588
1217	sub normalise {	1589	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1265	return $self;	1637	return $self;
1266	}	1638	}
1267	}	1639	}
1268		1640
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1642	()
1271	}	1643	}
1272		1644
1273	sub init {	1645	sub init {
1274	my ($self) = @_;	1646	my ($self) = @_;
…		…
1289		1661
1290	# the original (read-only) location	1662	# the original (read-only) location
1291	sub load_path {	1663	sub load_path {
1292	my ($self) = @_;	1664	my ($self) = @_;
1293		1665
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1295	}	1667	}
1296		1668
1297	# the temporary/swap location	1669	# the temporary/swap location
1298	sub save_path {	1670	sub save_path {
1299	my ($self) = @_;	1671	my ($self) = @_;
1300		1672
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1303	}	1675	}
1304		1676
1305	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1306	sub uniq_path {	1678	sub uniq_path {
1307	my ($self) = @_;	1679	my ($self) = @_;
1308		1680
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1311	}	1683	}
1312		1684
1313	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1314	# all maps in C++...	1686	# all maps in C++...
1315	sub change_all_map_light {	1687	sub change_all_map_light {
1316	my ($change) = @_;	1688	my ($change) = @_;
1317		1689
1318	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
		1692	}
		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
1320	}	1700	}
1321		1701
1322	sub unlink_save {	1702	sub unlink_save {
1323	my ($self) = @_;	1703	my ($self) = @_;
1324		1704
…		…
1382	$self->load_header_orig	1762	$self->load_header_orig
1383	or return;	1763	or return;
1384	$self->prepare_orig;	1764	$self->prepare_orig;
1385	}	1765	}
1386		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
		1770	$self->default_region (cf::region::find_by_path $self->{path})
		1771	unless $self->default_region;
		1772
1387	1	1773	1
1388	}	1774	}
1389		1775
1390	sub find;	1776	sub find;
1391	sub find {	1777	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1404		1790
1405	$map->load_header	1791	$map->load_header
1406	or return;	1792	or return;
1407		1793
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1797	$map->reset;
1412	undef $guard;	1798	undef $guard;
1413	return find $path;	1799	return find $path;
…		…
1424	my ($self) = @_;	1810	my ($self) = @_;
1425		1811
1426	local $self->{deny_reset} = 1; # loading can take a long time	1812	local $self->{deny_reset} = 1; # loading can take a long time
1427		1813
1428	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1430		1818
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1820
1433	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1434		1822
1435	$self->alloc;	1823	$self->alloc;
1436		1824
1437	$self->pre_load;	1825	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1826	Coro::cede;
1463	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1846	unless $self->difficulty;
1466	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1467	$self->activate;	1856	$self->activate;
		1857	}
		1858
		1859	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1860	}
1469		1861
1470	$self->post_load;	1862	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1863	}
1474		1864
1475	sub customise_for {	1865	sub customise_for {
1476	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1477		1867
1478	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1480		1873
1481	$self	1874	$self
1482	}	1875	}
1483		1876
1484	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1531		1924
1532	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1533	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1536	my $map = find $path	1929	if (my $map = find $path) {
1537	or next;
1538	$map->load;	1930	$map->load;
		1931	}
1539		1932
1540	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1541	}	1934	}
1542	}	1935	}
1543	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1595		1988
1596	sub reset_at {	1989	sub reset_at {
1597	my ($self) = @_;	1990	my ($self) = @_;
1598		1991
1599	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1602		1994
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1997
…		…
1616	my ($self) = @_;	2008	my ($self) = @_;
1617		2009
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2011
1620	return if $self->players;	2012	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2013
1623	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
1624		2015
1625	$self->in_memory (cf::MAP_SWAPPED);	2016	$self->in_memory (cf::MAP_SWAPPED);
1626		2017
1627	# need to save uniques path	2018	# need to save uniques path
1628	unless ($self->{deny_save}) {	2019	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1661		2052
1662	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1663	}	2054	}
1664		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1665	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1666		2093
1667	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2095	instantiated unique items. May block.
1669		2096
1670	=cut	2097	=cut
1671		2098
1672	sub unique_maps() {	2099	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1674	or return;	2101	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2102	utf8::decode $_;
1680	next if /\.pst$/;	2103	/\.map$/
1681	next unless /^$PATH_SEP/o;	2104	? normalise $_
1682		2105	: ()
1683	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2107	]
1685
1686	\@paths
1687	}	2108	}
1688		2109
1689	package cf;	2110	package cf;
1690		2111
1691	=back	2112	=back
…		…
1737		2158
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2160
1740	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1742	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1745	}	2180	}
1746	}	2181	}
1747		2182
1748	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1749		2184
…		…
1797	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1798		2233
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2235
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1803		2238
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2240	}
1806		2241
1807	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1809		2246
1810	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1811		2248
1812	unless ($map) {	2249	unless ($map) {
1813	# restore original map position	2250	# restore original map position
…		…
1836		2273
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1839	}	2276	}
1840		2277
1841	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2279
1845	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1849	};	2284	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2285
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1876		2289
1877	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2295
1880	$self->enter_link;	2296	$self->enter_link;
1881		2297
1882	(async {	2298	(async {
1883	my $map = eval {	2299	my $map = eval {
1884	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1886	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2315	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1891	})->prio (1);	2323	})->prio (1);
1892	}	2324	}
1893		2325
1894	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1895		2327
…		…
1934		2366
1935	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1936		2368
1937	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2371	my $meta = "$RANDOMDIR/$md5.meta";
1940		2372
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2375	undef $fh;
1944	aio_rename "$meta~", $meta;	2376	aio_rename "$meta~", $meta;
…		…
1953		2385
1954	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1955		2387
1956	if ($exit->slaying eq "/!") {	2388	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2392	cf::sync_job { prepare_random_map $exit };
1959	}	2393	}
1960		2394
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
1964		2398
1965	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1966		2404
1967	(async {	2405	(async {
1968	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2407	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
1971		2409
1972	1;	2410	1;
1973	}) {	2411	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2416
1979	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2418	$self->leave_link;
1981	}	2419	}
1982	})->prio (1);	2420	})->prio (1);
…		…
1995		2433
1996	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1998		2436
1999	utf8::encode $text;	2437	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2439	}
2002		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	$color &= ~cf::NDI_UNIQUE; # just in case...
		2456
		2457	if (ref $channel) {
		2458	# send meta info to client, if not yet sent
		2459	unless (exists $self->{channel}{$channel->{id}}) {
		2460	$self->{channel}{$channel->{id}} = $channel;
		2461	$self->ext_event (channel_info => %$channel);
		2462	}
		2463
		2464	$channel = $channel->{id};
		2465	}
		2466
		2467	return unless @extra || length $msg;
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
2003		2507
2004	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
2005		2509
2006	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2513
2010	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2515	become reliable at some point in the future.
2012		2516
2013	=cut	2517	=cut
2014		2518
2015	sub cf::client::query {	2519	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2528	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2530
2027	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
2029	}	2535	}
2030		2536
2031	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
2032	on_reply => sub {	2543	on_reply => sub {
2033	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
2034		2545
2035	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2036	# get handled first	2547	# get handled first
…		…
2048	} else {	2559	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2561	}
2051	}	2562	}
2052	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2053	);	2582	);
2054		2583
2055	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2056		2585
2057	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2104		2633
2105	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2106		2635
2107	=pod	2636	=pod
2108		2637
2109	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2110		2639
2111	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2112	cf::object::player player	2644	cf::object::player
2113	cf::player peaceful	2645	player
2114	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2115		2652
2116	=cut	2653	=cut
2117		2654
2118	for (	2655	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2120	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2123	) {	2661	) {
2124	no strict 'refs';	2662	no strict 'refs';
…		…
2195	=back	2733	=back
2196		2734
2197	=cut	2735	=cut
2198		2736
2199	#############################################################################	2737	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2738	# the server's init and main functions
2273		2739
2274	sub load_faces {	2740	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2741	my ($path) = @_;
2276		2742
2277	warn "loading faces from $path\n";	2743	warn "loading facedata from $path\n";
2278		2744
2279	my $faces;	2745	my $facedata;
2280	0 < aio_load $path, $faces	2746	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2747	or die "$path: $!";
2282		2748
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2749	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2750
		2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2753
		2754	{
		2755	my $faces = $facedata->{faceinfo};
		2756
2287	while (my ($face, $info) = each %$faces) {	2757	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291	Coro::cede;	2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2763
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	while (my ($face, $info) = each %$faces) {
		2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
2292	}	2821	}
2293		2822
2294	1	2823	1
2295	}	2824	}
2296		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
2297	sub reload_resources {	2856	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2857	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	2858
		2859	reload_regions;
2300	load_faces	2860	reload_facedata;
2301	or die "unable to load faces\n";#d#	2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
2302	}	2866	}
2303		2867
2304	sub init {	2868	sub init {
2305	reload_resources;	2869	reload_resources;
2306	}	2870	}
2307		2871
2308	sub cfg_load {	2872	sub cfg_load {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	2874	or return;
2311		2875
2312	local $/;	2876	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2314		2878
…		…
2359	},	2923	},
2360	);	2924	);
2361	}	2925	}
2362	}	2926	}
2363		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2364	sub emergency_save() {	2966	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2366		2968
2367	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2368		2970
…		…
2399		3001
2400	warn Carp::longmess "post_cleanup backtrace"	3002	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3003	if $make_core;
2402	}	3004	}
2403		3005
2404	sub reload() {	3006	sub do_reload_perl() {
2405	# can/must only be called in main	3007	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3009	warn "can only reload from main coroutine";
2408	return;	3010	return;
2409	}	3011	}
…		…
2443	%EXT_CORO = ();	3045	%EXT_CORO = ();
2444		3046
2445	warn "removing commands";	3047	warn "removing commands";
2446	%COMMAND = ();	3048	%COMMAND = ();
2447		3049
2448	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2449	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2450		3053
2451	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2454		3057
…		…
2484	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3089
2487	warn "unloading cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2489		3093
2490	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3095	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2493		3097
…		…
2508	warn "reattaching attachments to maps";	3112	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3114	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3115	reattach $_ for values %PLAYER;
2512		3116
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3117	warn "leaving sync_job";
2517		3118
2518	1	3119	1
2519	} or do {	3120	} or do {
2520	warn $@;	3121	warn $@;
…		…
2525	warn "reloaded";	3126	warn "reloaded";
2526	};	3127	};
2527		3128
2528	our $RELOAD_WATCHER; # used only during reload	3129	our $RELOAD_WATCHER; # used only during reload
2529		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2530	register_command "reload" => sub {	3146	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2532		3148
2533	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3150	$who->message ("reloading server.");
2535		3151	async { reload_perl };
2536	# doing reload synchronously and two reloads happen back-to-back,
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);
2548	}	3152	}
2549	};	3153	};
2550		3154
2551	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2552		3156
2553	my $bug_warning = 0;	3157	my $bug_warning = 0;
2554		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2555	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2556	reentrant => 0,	3183	reentrant => 0,
2557	parked => 1,	3184	parked => 1,
2558	prio => 0,	3185	prio => 0,
2559	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2565	return;	3192	return;
2566	}	3193	}
2567		3194
2568	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2569		3196
2570	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2571	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2573		3224
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2577	write_runtime	3228	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	3229	or warn "ERROR: unable to write runtime file: $!";
2579	};	3230	};
2580	}	3231	}
2581		3232
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;	3233	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#	3234	# warn $AFTER - $NOW;#d#
2587		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2588	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2590		3247
2591	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2593	},	3257	},
2594	);	3258	);
2595		3259
2596	{	3260	{
2597	BDB::max_poll_time $TICK * 0.1;	3261	BDB::max_poll_time $TICK * 0.1;
…		…
2625		3289
2626	cf::sync_job {	3290	cf::sync_job {
2627	eval {	3291	eval {
2628	BDB::db_env_open	3292	BDB::db_env_open
2629	$DB_ENV,	3293	$DB_ENV,
2630	$BDB_ENV_DIR,	3294	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3297	0666;
2634		3298
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636		3300
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;	3302	$DB_ENV->set_lk_detect;
2639	};	3303	};
2640		3304
…		…
2656	prio => 6,	3320	prio => 6,
2657	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2658	);	3322	);
2659	}	3323	}
2660		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
		3365
2661	END { cf::emergency_save }	3366	END { cf::emergency_save }
2662		3367
2663	1	3368	1
2664		3369

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