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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	63
		64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	80	our $NEXT_TICK;
66	our $NOW;	81	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		83
69	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	88	our $DB_ENV;
71		89
72	our %CFG;	90	our %CFG;
73		91
74	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	93	our $RUNTIME;
76		94
77	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		98
83	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
86	binmode STDOUT;	106	binmode STDOUT;
87	binmode STDERR;	107	binmode STDERR;
88		108
89	# read virtual server time, if available	109	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
94	}	114	}
95		115
96	mkdir cf::localdir;	116	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		118
103	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
104		120
105	sub cf::map::normalise;	121	sub cf::map::normalise;
106		122
…		…
117	=item $cf::RUNTIME	133	=item $cf::RUNTIME
118		134
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	136	every server tick.
121		137
122	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		141
124	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
126		146
127	=item $cf::NOW	147	=item $cf::NOW
128		148
129	The time of the last (current) server tick.	149	The time of the last (current) server tick.
130		150
131	=item $cf::TICK	151	=item $cf::TICK
132		152
133	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
134		164
135	=item %cf::CFG	165	=item %cf::CFG
136		166
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
141		171
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
…		…
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153		189
154	$msg .= "\n"	190	$msg .= "\n"
155	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
156		192
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		194
159	utf8::encode $msg;
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		206
171	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
277	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
278		398
279	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
284		404
285	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
286		406
287	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
288		408
289	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
292		413
293	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
296	fast or be very important.	417	fast or be very important.
…		…
299		420
300	sub sync_job(&) {	421	sub sync_job(&) {
301	my ($job) = @_;	422	my ($job) = @_;
302		423
303	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
304	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
306		429
307	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
319		442
320	while ($busy) {	443	while ($busy) {
321	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
322	}	445	}
323		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
324	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
325	} else {	455	} else {
326	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
327		457
328	$job->()	458	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
348		478
349	$coro	479	$coro
350	}	480	}
351		481
352	sub write_runtime {	482	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		483
355	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
356		488
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
358	or return;
359		490
360	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		493
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
365	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
366		497
367	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	499	reset_signals;
369	and return;	500	&$cb
		501	}, @args;
370		502
371	close $fh	503	wantarray ? @res : $res[-1]
372	or return;	504	}
373		505
374	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
375	and return;
376		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
377	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
378	}	631	}
379		632
380	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
381		634
382	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
402		655
403	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	658	Crossfire TRT).
406		659
407	=over 4	660	=over 4
408		661
409	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
410		663
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
574		827
575	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		832
580	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	834	my $pkg = shift @arg;
582		835
583	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
613	}	866	}
614		867
615	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
616	} else {	869	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	871	}
619		872
620	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
621	}	874	}
622		875
…		…
624	if (ref $_[0]) {	877	if (ref $_[0]) {
625	_object_attach @_;	878	_object_attach @_;
626	} else {	879	} else {
627	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
628	}	881	}
		882	_recalc_want;
629	};	883	};
630		884
631	# all those should be optimised	885	# all those should be optimised
632	sub cf::attachable::detach {	886	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
637	reattach ($obj);	891	reattach ($obj);
638	} else {	892	} else {
639	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
640	}	894	}
		895	_recalc_want;
641	};	896	};
642		897
643	sub cf::attachable::attached {	898	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
645		900
…		…
660	";	915	";
661	die if $@;	916	die if $@;
662	}	917	}
663		918
664	our $override;	919	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		921
667	sub override {	922	sub override {
668	$override = 1;	923	$override = 1;
669	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
670	}	925	}
671		926
672	sub do_invoke {	927	sub do_invoke {
673	my $event = shift;	928	my $event = shift;
674	my $callbacks = shift;	929	my $callbacks = shift;
675		930
676	@invoke_results = ();	931	@INVOKE_RESULTS = ();
677		932
678	local $override;	933	local $override;
679		934
680	for (@$callbacks) {	935	for (@$callbacks) {
681	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
698		953
699	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
700		955
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		959
705	=back	960	=back
706		961
707	=cut	962	=cut
708		963
709	#############################################################################	964	#############################################################################
710	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
711		977
712	sub reattach {	978	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	980	my ($obj) = @_;
715		981
…		…
760	);	1026	);
761		1027
762	sub object_freezer_save {	1028	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
764		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
765	sync_job {	1033	sync_job {
766	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
769		1038
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
792	}	1061	}
793	} else {	1062	} else {
794	aio_unlink $filename;	1063	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
796	}	1065	}
797	}	1066	};
		1067
		1068	undef $guard;
798	}	1069	}
799		1070
800	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
802		1073
…		…
807		1078
808	sub object_thawer_load {	1079	sub object_thawer_load {
809	my ($filename) = @_;	1080	my ($filename) = @_;
810		1081
811	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
812		1085
813	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
814	or return;	1087	or return;
815		1088
816	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
818	or return;	1091	or return;
		1092
		1093	undef $guard;
819	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1095	}
821		1096
		1097	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
824	return ($data, $av);	1101	($data, $av)
825	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
826		1109
827	#############################################################################	1110	#############################################################################
828	# command handling &c	1111	# command handling &c
829		1112
830	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1127	}
845		1128
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1130
848	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
849		1136
850	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
851	called.	1138	called.
852		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
853	=cut	1151	=cut
854		1152
855	sub register_extcmd {	1153	sub register_extcmd {
856	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
857		1155
858	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
859	}	1163	}
860		1164
861	cf::player->attach (	1165	cf::player->attach (
862	on_command => sub {	1166	on_command => sub {
863	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1176	cf::override;
873	},	1177	},
874	on_extcmd => sub {	1178	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
876		1180
877	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1182
879	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
885	} else {	1198	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1200	}
888		1201
889	cf::override;	1202	cf::override;
890	},	1203	},
891	);	1204	);
892		1205
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
928	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1211	next unless -r $path;
930	eval {	1212
931	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
932	1	1270	}
933	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
934	}	1276	};
935	}	1277	}
936		1278
937	#############################################################################	1279	#############################################################################
938		1280
		1281	=back
		1282
939	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
940		1284
941	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
942		1286
943	=cut	1287	=cut
…		…
948		1292
949	=head3 cf::player	1293	=head3 cf::player
950		1294
951	=over 4	1295	=over 4
952		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
953	=item cf::player::find $login	1311	=item cf::player::find $login
954		1312
955	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
956		1314
957	=cut	1315	=cut
958		1316
959	sub playerdir($) {	1317	sub playerdir($) {
960	cf::localdir	1318	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1320	}
966		1321
967	sub path($) {	1322	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
999		1354
1000	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1003	}	1363	}
1004	}	1364	}
1005	}	1365	}
1006		1366
…		…
1016		1376
1017	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1019		1379
1020	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1021	Coro::cede;	1381	cf::cede_to_tick;
1022	}	1382	}
1023		1383
1024	sub new($) {	1384	sub new($) {
1025	my ($login) = @_;	1385	my ($login) = @_;
1026		1386
…		…
1030	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1031		1391
1032	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1033		1393
1034	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1035	}	1405	}
1036		1406
1037	=item $pl->quit_character	1407	=item $pl->quit_character
1038		1408
1039	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1089		1459
1090	=cut	1460	=cut
1091		1461
1092	sub list_logins {	1462	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1464	or return [];
1095		1465
1096	my @logins;	1466	my @logins;
1097		1467
1098	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1102		1477
1103	utf8::decode $login;	1478	utf8::decode $login;
1104	push @logins, $login;	1479	push @logins, $login;
1105	}	1480	}
1106		1481
…		…
1133	}	1508	}
1134		1509
1135	\@paths	1510	\@paths
1136	}	1511	}
1137		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1138	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1139		1565
1140	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1141		1567
1142	=cut	1568	=cut
1143		1569
1144	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1146		1572
1147	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1574	}
1151		1575
1152	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1153		1577
1154	Sends an ext event to the client.	1578	Sends an ext event to the client.
1155		1579
1156	=cut	1580	=cut
1157		1581
1158	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1160		1584
1161	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1162	}	1586	}
1163		1587
1164	=head3 cf::region	1588	=head3 cf::region
1165		1589
1166	=over 4	1590	=over 4
…		…
1169		1593
1170	package cf::region;	1594	package cf::region;
1171		1595
1172	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1173		1597
1174	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1175		1599
1176	=cut	1600	=cut
1177		1601
1178	sub find_by_path($) {	1602	sub find_by_path($) {
1179	my ($path) = @_;	1603	my ($path) = @_;
1180		1604
1181	my ($match, $specificity);	1605	my ($match, $specificity);
1182		1606
1183	for my $region (list) {	1607	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1187	}	1611	}
1188	}	1612	}
1189		1613
…		…
1253	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1254		1678
1255	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1256	local $self->{path};	1680	local $self->{path};
1257	local $self->{load_path};	1681	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1682
1261	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1262	}	1684	}
1263		1685
1264	sub normalise {	1686	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1312	return $self;	1734	return $self;
1313	}	1735	}
1314	}	1736	}
1315		1737
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1739	()
1318	}	1740	}
1319		1741
1320	sub init {	1742	sub init {
1321	my ($self) = @_;	1743	my ($self) = @_;
…		…
1336		1758
1337	# the original (read-only) location	1759	# the original (read-only) location
1338	sub load_path {	1760	sub load_path {
1339	my ($self) = @_;	1761	my ($self) = @_;
1340		1762
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1342	}	1764	}
1343		1765
1344	# the temporary/swap location	1766	# the temporary/swap location
1345	sub save_path {	1767	sub save_path {
1346	my ($self) = @_;	1768	my ($self) = @_;
1347		1769
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1350	}	1772	}
1351		1773
1352	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1353	sub uniq_path {	1775	sub uniq_path {
1354	my ($self) = @_;	1776	my ($self) = @_;
1355		1777
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1358	}	1780	}
1359		1781
1360	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1361	# all maps in C++...	1783	# all maps in C++...
1362	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1364		1786
1365	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1367	}	1789	}
1368		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1369	sub unlink_save {	1799	sub unlink_save {
1370	my ($self) = @_;	1800	my ($self) = @_;
1371		1801
1372	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1806
1377	sub load_header_from($) {	1807	sub load_header_from($) {
1378	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1379		1809
1380	utf8::encode $path;	1810	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1386		1819
1387	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1388		1821
1389	1	1822	1
1390	}	1823	}
…		…
1429	$self->load_header_orig	1862	$self->load_header_orig
1430	or return;	1863	or return;
1431	$self->prepare_orig;	1864	$self->prepare_orig;
1432	}	1865	}
1433		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1434	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1871	unless $self->default_region;
1436		1872
1437	1	1873	1
1438	}	1874	}
…		…
1441	sub find {	1877	sub find {
1442	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1443		1879
1444	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1445		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1447		1884
1448	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1450	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1451	or return;	1890	or return;
1452		1891
1453	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1454		1893
1455	$map->load_header	1894	$map->load_header
1456	or return;	1895	or return;
1457		1896
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1461	$map->reset;	1902	$map->reset;
1462	undef $guard;
1463	return find $path;	1903	return find $path;
1464	}	1904	}
1465		1905
1466	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1467	}	1907	}
…		…
1474	my ($self) = @_;	1914	my ($self) = @_;
1475		1915
1476	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1477		1917
1478	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1480		1922
		1923	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1925
1483	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1484		1927
1485	$self->alloc;	1928	$self->alloc;
1486		1929
1487	$self->pre_load;	1930	$self->pre_load;
1488	Coro::cede;	1931	cf::cede_to_tick;
1489		1932
1490	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1491	or return;	1936	or return;
1492		1937
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1939	if delete $self->{load_original};
1495		1940
1496	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1942	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	1945	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1501	}	1949	}
1502	}	1950	}
1503		1951
1504	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1505	# now do the right thing for maps	1955	# now do the right thing for maps
1506	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1958	unless $self->difficulty;
1517	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1518	$self->activate;	1968	$self->activate;
1519	Coro::cede;	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1975	}
1521		1976
1522	$self->post_load;	1977	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1978	}
1527		1979
1528	sub customise_for {	1980	sub customise_for {
1529	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1530		1982
1531	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1984	if $self->per_player;
1533		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1534	$self	1989	$self
1535	}	1990	}
1536		1991
1537	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1993	sub load_neighbours {
1539	my ($map) = @_;	1994	my ($map) = @_;
1540		1995
1541	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1542		1997
1543	for (0 .. 3) {	1998	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1545	or next;	2000	or next;
1546	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1547	or next;	2002	or next;
1548	$neigh->load;	2003	$neigh->load;
1549		2004
		2005	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2008	}
1553		2009
1554	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1556	or next;	2013	or next;
1557	$neigh->load;	2014	$neigh->load;
1558	}	2015	}
1559	}	2016	}
1560		2017
…		…
1565	}	2022	}
1566		2023
1567	sub do_load_sync {	2024	sub do_load_sync {
1568	my ($map) = @_;	2025	my ($map) = @_;
1569		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1570	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1571	}	2031	}
1572		2032
1573	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1575		2035
1576	sub find_async {	2036	sub find_async {
1577	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1578		2038
1579	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1580		2040
1581	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2043	}
1584		2044
1585	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1586	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2050	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2051	$map->load if $v;
		2052	}
1592		2053
1593	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1594	}	2055	}
1595	}	2056	}
1596	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1597	};	2058	};
1598	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2062	}
1602		2063
1603	sub save {	2064	sub save {
1604	my ($self) = @_;	2065	my ($self) = @_;
1605		2066
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2068
1608	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1609		2070
1610	return unless $self->dirty;	2071	return unless $self->dirty;
1611		2072
…		…
1634	my ($self) = @_;	2095	my ($self) = @_;
1635		2096
1636	# save first because save cedes	2097	# save first because save cedes
1637	$self->save;	2098	$self->save;
1638		2099
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2101
1641	return if $self->players;	2102	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2104	return if $self->{deny_save};
1644		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2110	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2111	}
1648		2112
1649	sub reset_at {	2113	sub reset_at {
1650	my ($self) = @_;	2114	my ($self) = @_;
1651		2115
1652	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1655		2118
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2121
…		…
1669	my ($self) = @_;	2132	my ($self) = @_;
1670		2133
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2135
1673	return if $self->players;	2136	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2137
1676	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1677		2139
1678	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1679		2141
1680	# need to save uniques path	2142	# need to save uniques path
1681	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2147	if $uniq;
1686	}	2148	}
1687		2149
1688	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1689		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2154	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2155
1694	$self->unlink_save;	2156	$self->unlink_save;
1695	$self->destroy;	2157	$self->destroy;
1696	}	2158	}
1697		2159
1698	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1699		2161
1700	sub nuke {	2162	sub nuke {
1701	my ($self) = @_;	2163	my ($self) = @_;
1702		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1703	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1704		2169
1705	$self->unlink_save;	2170	$self->unlink_save;
1706		2171
1707	bless $self, "cf::map";	2172	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2177
1713	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1714		2180
1715	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1716	}	2218	}
1717		2219
1718	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1719		2221
1720	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2223	instantiated unique items. May block.
1722		2224
1723	=cut	2225	=cut
1724		2226
1725	sub unique_maps() {	2227	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1727	or return;	2229	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2230	utf8::decode $_;
1733	next if /\.pst$/;	2231	/\.map$/
1734	next unless /^$PATH_SEP/o;	2232	? normalise $_
1735		2233	: ()
1736	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2235	]
1738
1739	\@paths
1740	}	2236	}
1741		2237
1742	package cf;	2238	package cf;
1743		2239
1744	=back	2240	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1763	}	2259	}
1764		2260
1765	sub inv_recursive {	2261	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1767	}	2294	}
1768		2295
1769	package cf;	2296	package cf;
1770		2297
1771	=back	2298	=back
…		…
1790		2317
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2319
1793	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1795	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1798	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1799	}	2345	}
1800		2346
1801	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1802		2348
1803	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1851		2397
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2399
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1856		2402
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2404	}
1859		2405
1860	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1862		2410
1863	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1864		2412
1865	unless ($map) {	2413	unless ($map) {
1866	# restore original map position	2414	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1883		2431
1884	$map->load;	2432	$map->load;
1885	$map->load_diag;	2433	$map->load_neighbours;
1886		2434
1887	return unless $self->contr->active;	2435	return unless $self->contr->active;
1888	$self->activate_recursive;	2436	$self->activate_recursive;
1889		2437
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1892	}	2440	}
1893		2441
1894	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2443
1898	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1902	};	2448	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2449
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1929		2453
1930	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2459
1933	$self->enter_link;	2460	$self->enter_link;
1934		2461
1935	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1936	my $map = eval {	2482	my $map = eval {
1937	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1939	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2498	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1944	})->prio (1);	2506	})->prio (1);
1945	}	2507	}
1946		2508
1947	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1948		2510
…		…
1987		2549
1988	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1989		2551
1990	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1993		2555
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2558	undef $fh;
1997	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2019		2581
2020	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
2021		2587
2022	(async {	2588	(async {
2023	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2590	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
…		…
2053		2619
2054	utf8::encode $text;	2620	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2622	}
2057		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
2058	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2059		2706
2060	Sends an exti event to the client.	2707	Sends an ext event to the client.
2061		2708
2062	=cut	2709	=cut
2063		2710
2064	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2066		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
2069	}	2738	}
2070		2739
2071	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2072		2741
2073	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2745
2077	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2747	become reliable at some point in the future.
2079		2748
2080	=cut	2749	=cut
2081		2750
2082	sub cf::client::query {	2751	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2760	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2762
2094	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2096	}	2767	}
2097		2768
2098	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2099	on_reply => sub {	2775	on_reply => sub {
2100	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2101		2777
2102	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2103	# get handled first	2779	# get handled first
…		…
2115	} else {	2791	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2793	}
2118	}	2794	}
2119	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2120	);	2822	);
2121		2823
2122	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2123		2825
2124	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2167		2869
2168	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2169		2871
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2171		2877
2172	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2173		2879
2174	=pod	2880	=pod
2175		2881
2176	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2177		2883
2178	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2179	cf::object::player player	2888	cf::object::player
2180	cf::player peaceful	2889	player
2181	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2182		2896
2183	=cut	2897	=cut
2184		2898
2185	for (	2899	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2190	) {	2906	) {
2191	no strict 'refs';	2907	no strict 'refs';
…		…
2262	=back	2978	=back
2263		2979
2264	=cut	2980	=cut
2265		2981
2266	#############################################################################	2982	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	2983	# the server's init and main functions
2436		2984
2437	sub load_facedata($) {	2985	sub load_facedata($) {
2438	my ($path) = @_;	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		2993
2440	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2441		2995
2442	my $facedata;	2996	my $facedata;
2443	0 < aio_load $path, $facedata	2997	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3000	$facedata = Coro::Storable::thaw $facedata;
2447		3001
2448	$facedata->{version} == 2	3002	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
2451	{	3012	{
2452	my $faces = $facedata->{faceinfo};	3013	my $faces = $facedata->{faceinfo};
2453		3014
2454	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3021
		3022	cf::cede_to_tick;
2460	}	3023	}
2461		3024
2462	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3026	next unless $info->{smooth};
2464	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2465	or next;	3028	or next;
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3032	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3034	}
2471	Coro::cede;	3035
		3036	cf::cede_to_tick;
2472	}	3037	}
2473	}	3038	}
2474		3039
2475	{	3040	{
2476	my $anims = $facedata->{animinfo};	3041	my $anims = $facedata->{animinfo};
2477		3042
2478	while (my ($anim, $info) = each %$anims) {	3043	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3045	cf::cede_to_tick;
2481	}	3046	}
2482		3047
2483	cf::anim::invalidate_all; # d'oh	3048	cf::anim::invalidate_all; # d'oh
2484	}	3049	}
2485		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
2486	1	3100	1
2487	}	3101	}
2488		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
2489	sub reload_facedata {	3125	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3126	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3127	or die "unable to load facedata\n";
2492	}	3128	}
2493		3129
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3130	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3131	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
2502	}	3138	}
2503		3139
2504	sub reload_treasures {	3140	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3141	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3142	or die "unable to load treasurelists\n";
2507	}	3143	}
2508		3144
2509	sub reload_resources {	3145	sub reload_resources {
2510	warn "reloading resource files...\n";	3146	warn "reloading resource files...\n";
2511		3147
2512	reload_regions;	3148	reload_regions;
2513	reload_facedata;	3149	reload_facedata;
		3150	#reload_archetypes;#d#
2514	reload_archetypes;	3151	reload_archetypes;
2515	reload_treasures;	3152	reload_treasures;
2516		3153
2517	warn "finished reloading resource files\n";	3154	warn "finished reloading resource files\n";
2518	}	3155	}
2519		3156
2520	sub init {	3157	sub init {
2521	reload_resources;	3158	reload_resources;
2522	}	3159	}
2523		3160
2524	sub cfg_load {	3161	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3163	or return;
2527		3164
2528	local $/;	3165	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2530		3167
…		…
2549	(async {	3186	(async {
2550	Event::one_event;	3187	Event::one_event;
2551	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2552	};	3189	};
2553		3190
2554	cfg_load;	3191	reload_config;
2555	db_init;	3192	db_init;
2556	load_extensions;	3193	load_extensions;
2557		3194
2558	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2559	Event::loop;	3196	Event::loop;
…		…
2575	},	3212	},
2576	);	3213	);
2577	}	3214	}
2578	}	3215	}
2579		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2580	sub emergency_save() {	3255	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2582		3257
2583	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2584		3259
…		…
2659	%EXT_CORO = ();	3334	%EXT_CORO = ();
2660		3335
2661	warn "removing commands";	3336	warn "removing commands";
2662	%COMMAND = ();	3337	%COMMAND = ();
2663		3338
2664	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2665	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2666		3342
2667	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2670		3346
…		…
2700	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3378
2703	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2705		3382
2706	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3384	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2709		3386
…		…
2712	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2713	require cf;	3390	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3392
2716	warn "loading config and database again";	3393	warn "loading config and database again";
2717	cf::cfg_load;	3394	cf::reload_config;
2718		3395
2719	warn "loading extensions";	3396	warn "loading extensions";
2720	cf::load_extensions;	3397	cf::load_extensions;
2721		3398
2722	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2802	return;	3479	return;
2803	}	3480	}
2804		3481
2805	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2806		3483
2807	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
2808		3485
2809	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
…		…
2815	write_runtime	3492	write_runtime
2816	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2817	};	3494	};
2818	}	3495	}
2819		3496
2820	# my $AFTER = Event::time;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2821	# warn $AFTER - $NOW;#d#	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2822		3505
2823	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2825		3508
2826	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
2828		3511
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3512	$LOAD = ($NOW - $tick_start) / $TICK;
2830	$sig->send;	3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2831	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;
2834	}
2835		3514
2836	_post_tick;	3515	_post_tick;
2837	},	3516	},
2838	);	3517	);
2839		3518
2840	{	3519	{
		3520	BDB::min_parallel 8;
2841	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2842	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2843	reentrant => 0,	3523	reentrant => 0,
2844	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2845	poll => 'r',	3525	poll => 'r',
2846	prio => 0,	3526	prio => 0,
2847	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2849	);	3529	);
2850	BDB::min_parallel 8;
2851		3530
2852	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2853	my $status;	3532	my $status;
2854	my $current = $Coro::current;	3533	my $current = $Coro::current;
2855	(	3534	(
…		…
2864	)	3543	)
2865	};	3544	};
2866		3545
2867	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3552
2870	cf::sync_job {	3553	cf::sync_job {
2871	eval {	3554	eval {
2872	BDB::db_env_open	3555	BDB::db_env_open
2873	$DB_ENV,	3556	$DB_ENV,
2874	$BDB_ENV_DIR,	3557	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3560	0666;
2878		3561
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3563	};
2884		3564
2885	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3566	};
2887	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2888	}	3599	}
2889		3600
2890	{	3601	{
2891	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2892		3603
…		…
2900	prio => 6,	3611	prio => 6,
2901	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2902	);	3613	);
2903	}	3614	}
2904		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
		3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
		3651	}
		3652	}
		3653
2905	# load additional modules	3654	# load additional modules
2906	use cf::pod;	3655	use cf::pod;
2907		3656
2908	END { cf::emergency_save }	3657	END { cf::emergency_save }
2909		3658

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