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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.364 by root, Tue Sep 11 08:41:11 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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	87	our $DB_ENV;
71		88
72	our %CFG;	89	our %CFG;
73		90
74	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	92	our $RUNTIME;
76		93
77	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
83	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
86	binmode STDOUT;	105	binmode STDOUT;
87	binmode STDERR;	106	binmode STDERR;
88		107
89	# read virtual server time, if available	108	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
94	}	113	}
95		114
96	mkdir cf::localdir;	115	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	116	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		117
103	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
104		119
105	sub cf::map::normalise;	120	sub cf::map::normalise;
106		121
…		…
117	=item $cf::RUNTIME	132	=item $cf::RUNTIME
118		133
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	135	every server tick.
121		136
122	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		140
124	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
126		145
127	=item $cf::NOW	146	=item $cf::NOW
128		147
129	The time of the last (current) server tick.	148	The time of the last (current) server tick.
130		149
131	=item $cf::TICK	150	=item $cf::TICK
132		151
133	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
134		163
135	=item %cf::CFG	164	=item %cf::CFG
136		165
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	167	from wherever your confdir points to.
…		…
141		170
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	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	172	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.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
146	=back	181	=back
147		182
148	=cut	183	=cut
149		184
150	BEGIN {	185	BEGIN {
…		…
152	my $msg = join "", @_;	187	my $msg = join "", @_;
153		188
154	$msg .= "\n"	189	$msg .= "\n"
155	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
156		191
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		193
159	utf8::encode $msg;
160	LOG llevError, $msg;	194	LOG llevError, $msg;
161	};	195	};
162	}	196	}
163		197
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		205
171	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	207	# within the Safe compartment.
173	for my $pkg (qw(	208	for my $pkg (qw(
174	cf::global cf::attachable	209	cf::global cf::attachable
…		…
182	}	217	}
183		218
184	$Event::DIED = sub {	219	$Event::DIED = sub {
185	warn "error in event callback: @_";	220	warn "error in event callback: @_";
186	};	221	};
		222
		223	#############################################################################
187		224
188	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
189		226
190	=over 4	227	=over 4
191		228
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	248	$d
212	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
213	}	250	}
214		251
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
218		253
219	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
220		255
221	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
222		257
223	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
224		266
225	=item cf::lock_wait $string	267	=item cf::lock_wait $string
226		268
227	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
228		270
…		…
231	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
234	returned.	276	returned.
235		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
236	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
238		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
239	=cut	288	=cut
240		289
241	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
242		292
243	sub lock_wait($) {	293	sub lock_wait($) {
244	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
245		300
246	# wait for lock, if any	301	# wait for lock, if any
247	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	304	Coro::schedule;
…		…
255		310
256	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
257	lock_wait $key;	312	lock_wait $key;
258		313
259	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
260		316
261	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
264	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
265	}	328	}
266		329
267	sub freeze_mainloop {	330	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
269		332
…		…
272	};	335	};
273	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
274	$guard	337	$guard
275	}	338	}
276		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
277	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
278		397
279	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
284		403
285	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
286		405
287	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
288		407
289	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
292		412
293	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
296	fast or be very important.	416	fast or be very important.
…		…
299		419
300	sub sync_job(&) {	420	sub sync_job(&) {
301	my ($job) = @_;	421	my ($job) = @_;
302		422
303	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
304	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
306		428
307	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
319		441
320	while ($busy) {	442	while ($busy) {
321	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
322	}	444	}
323		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
324	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
325	} else {	454	} else {
326	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
327		456
328	$job->()	457	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
348		477
349	$coro	478	$coro
350	}	479	}
351		480
352	sub write_runtime {	481	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		482
355	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
356		487
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
358	or return;
359		489
360	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		492
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
365	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
366		496
367	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	498	reset_signals;
369	and return;	499	&$cb
		500	}, @args;
370		501
371	close $fh	502	wantarray ? @res : $res[-1]
372	or return;	503	}
373		504
374	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
375	and return;
376		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
377	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
378	}	630	}
379		631
380	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
381		633
382	Log a datalog packet of the given type with the given key-value pairs.	634	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")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
402		654
403	In the following description, CLASS can be any of C<global>, C<object>	655	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	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	657	Crossfire TRT).
406		658
407	=over 4	659	=over 4
408		660
409	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
410		662
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
574		826
575	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		831
580	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	833	my $pkg = shift @arg;
582		834
583	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
613	}	865	}
614		866
615	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
616	} else {	868	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	870	}
619		871
620	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
621	}	873	}
622		874
…		…
624	if (ref $_[0]) {	876	if (ref $_[0]) {
625	_object_attach @_;	877	_object_attach @_;
626	} else {	878	} else {
627	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
628	}	880	}
		881	_recalc_want;
629	};	882	};
630		883
631	# all those should be optimised	884	# all those should be optimised
632	sub cf::attachable::detach {	885	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
637	reattach ($obj);	890	reattach ($obj);
638	} else {	891	} else {
639	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
640	}	893	}
		894	_recalc_want;
641	};	895	};
642		896
643	sub cf::attachable::attached {	897	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
645		899
…		…
660	";	914	";
661	die if $@;	915	die if $@;
662	}	916	}
663		917
664	our $override;	918	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		920
667	sub override {	921	sub override {
668	$override = 1;	922	$override = 1;
669	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
670	}	924	}
671		925
672	sub do_invoke {	926	sub do_invoke {
673	my $event = shift;	927	my $event = shift;
674	my $callbacks = shift;	928	my $callbacks = shift;
675		929
676	@invoke_results = ();	930	@INVOKE_RESULTS = ();
677		931
678	local $override;	932	local $override;
679		933
680	for (@$callbacks) {	934	for (@$callbacks) {
681	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
698		952
699	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
700		954
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	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	956	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		958
705	=back	959	=back
706		960
707	=cut	961	=cut
708		962
709	#############################################################################	963	#############################################################################
710	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
711		976
712	sub reattach {	977	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	979	my ($obj) = @_;
715		980
…		…
760	);	1025	);
761		1026
762	sub object_freezer_save {	1027	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
764		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
765	sync_job {	1032	sync_job {
766	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
769		1037
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
792	}	1060	}
793	} else {	1061	} else {
794	aio_unlink $filename;	1062	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
796	}	1064	}
797	}	1065	};
		1066
		1067	undef $guard;
798	}	1068	}
799		1069
800	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
802		1072
…		…
807		1077
808	sub object_thawer_load {	1078	sub object_thawer_load {
809	my ($filename) = @_;	1079	my ($filename) = @_;
810		1080
811	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
812		1084
813	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
814	or return;	1086	or return;
815		1087
816	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
818	or return;	1090	or return;
		1091
		1092	undef $guard;
819	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1094	}
821		1095
		1096	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
824	return ($data, $av);	1100	($data, $av)
825	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
826		1108
827	#############################################################################	1109	#############################################################################
828	# command handling &c	1110	# command handling &c
829		1111
830	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1126	}
845		1127
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1129
848	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
849		1135
850	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
851	called.	1137	called.
852		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
853	=cut	1150	=cut
854		1151
855	sub register_extcmd {	1152	sub register_extcmd {
856	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
857		1154
858	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
859	}	1162	}
860		1163
861	cf::player->attach (	1164	cf::player->attach (
862	on_command => sub {	1165	on_command => sub {
863	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1175	cf::override;
873	},	1176	},
874	on_extcmd => sub {	1177	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
876		1179
877	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1181
879	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
885	} else {	1197	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1199	}
888		1200
889	cf::override;	1201	cf::override;
890	},	1202	},
891	);	1203	);
892		1204
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 {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
928	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1210	next unless -r $path;
930	eval {	1211
931	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
932	1	1269	}
933	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
934	}	1275	};
935	}	1276	}
936		1277
937	#############################################################################	1278	#############################################################################
938		1279
		1280	=back
		1281
939	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
940		1283
941	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
942		1285
943	=cut	1286	=cut
…		…
948		1291
949	=head3 cf::player	1292	=head3 cf::player
950		1293
951	=over 4	1294	=over 4
952		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
953	=item cf::player::find $login	1310	=item cf::player::find $login
954		1311
955	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
956		1313
957	=cut	1314	=cut
958		1315
959	sub playerdir($) {	1316	sub playerdir($) {
960	cf::localdir	1317	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1319	}
966		1320
967	sub path($) {	1321	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1352	aio_unlink +(playerdir $login) . "/$login.pl";
999		1353
1000	my $pl = load_pl path $login	1354	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1355	or return;
		1356
		1357	$f->next;
		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 {
1936	my $map = eval {	2463	my $map = eval {
1937	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1939	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2479	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1944	})->prio (1);	2487	})->prio (1);
1945	}	2488	}
1946		2489
1947	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1948		2491
…		…
1987		2530
1988	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1989		2532
1990	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2535	my $meta = "$RANDOMDIR/$md5.meta";
1993		2536
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2539	undef $fh;
1997	aio_rename "$meta~", $meta;	2540	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
2019		2562
2020	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
2021		2568
2022	(async {	2569	(async {
2023	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2571	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
…		…
2053		2600
2054	utf8::encode $text;	2601	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2603	}
2057		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
2058	=item $client->ext_event ($type, %msg)	2686	=item $client->ext_msg ($type, @msg)
2059		2687
2060	Sends an exti event to the client.	2688	Sends an ext event to the client.
2061		2689
2062	=cut	2690	=cut
2063		2691
2064	sub cf::client::ext_event($$%) {	2692	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2693	my ($self, $type, @msg) = @_;
2066		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2698	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
2069	}	2719	}
2070		2720
2071	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
2072		2722
2073	Queues a query to the client, calling the given callback with	2723	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>,	2724	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>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2726
2077	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2728	become reliable at some point in the future.
2079		2729
2080	=cut	2730	=cut
2081		2731
2082	sub cf::client::query {	2732	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2741	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2743
2094	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2096	}	2748	}
2097		2749
2098	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2099	on_reply => sub {	2756	on_reply => sub {
2100	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2101		2758
2102	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2103	# get handled first	2760	# get handled first
…		…
2115	} else {	2772	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2774	}
2118	}	2775	}
2119	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2120	);	2803	);
2121		2804
2122	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2123		2806
2124	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2167		2850
2168	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2169		2852
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2171		2858
2172	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2173		2860
2174	=pod	2861	=pod
2175		2862
2176	The following functions and methods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2177		2864
2178	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2179	cf::object::player player	2869	cf::object::player
2180	cf::player peaceful	2870	player
2181	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2182		2877
2183	=cut	2878	=cut
2184		2879
2185	for (	2880	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2190	) {	2887	) {
2191	no strict 'refs';	2888	no strict 'refs';
…		…
2262	=back	2959	=back
2263		2960
2264	=cut	2961	=cut
2265		2962
2266	#############################################################################	2963	#############################################################################
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	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2964	# the server's init and main functions
2437		2965
2438	sub load_facedata($) {	2966	sub load_facedata($) {
2439	my ($path) = @_;	2967	my ($path) = @_;
		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		2974
2441	warn "loading facedata from $path\n";	2975	warn "loading facedata from $path\n";
2442		2976
2443	my $facedata;	2977	my $facedata;
2444	0 < aio_load $path, $facedata	2978	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2981	$facedata = Coro::Storable::thaw $facedata;
2448		2982
2449	$facedata->{version} == 2	2983	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
2452	{	2993	{
2453	my $faces = $facedata->{faceinfo};	2994	my $faces = $facedata->{faceinfo};
2454		2995
2455	while (my ($face, $info) = each %$faces) {	2996	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3002
		3003	cf::cede_to_tick;
2461	}	3004	}
2462		3005
2463	while (my ($face, $info) = each %$faces) {	3006	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3007	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	3008	my $idx = cf::face::find $face
2466	or next;	3009	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3013	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3015	}
2472	Coro::cede;	3016
		3017	cf::cede_to_tick;
2473	}	3018	}
2474	}	3019	}
2475		3020
2476	{	3021	{
2477	my $anims = $facedata->{animinfo};	3022	my $anims = $facedata->{animinfo};
2478		3023
2479	while (my ($anim, $info) = each %$anims) {	3024	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3026	cf::cede_to_tick;
2482	}	3027	}
2483		3028
2484	cf::anim::invalidate_all; # d'oh	3029	cf::anim::invalidate_all; # d'oh
2485	}	3030	}
2486		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
2487	1	3081	1
2488	}	3082	}
2489		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
		3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
2490	sub reload_facedata {	3106	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3107	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3108	or die "unable to load facedata\n";
2493	}	3109	}
2494		3110
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3111	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3112	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
2503	}	3119	}
2504		3120
2505	sub reload_treasures {	3121	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3122	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3123	or die "unable to load treasurelists\n";
2508	}	3124	}
2509		3125
2510	sub reload_resources {	3126	sub reload_resources {
2511	warn "reloading resource files...\n";	3127	warn "reloading resource files...\n";
2512		3128
2513	reload_regions;	3129	reload_regions;
2514	reload_facedata;	3130	reload_facedata;
		3131	#reload_archetypes;#d#
2515	reload_archetypes;	3132	reload_archetypes;
2516	reload_treasures;	3133	reload_treasures;
2517		3134
2518	warn "finished reloading resource files\n";	3135	warn "finished reloading resource files\n";
2519	}	3136	}
2520		3137
2521	sub init {	3138	sub init {
2522	reload_resources;	3139	reload_resources;
2523	}	3140	}
2524		3141
2525	sub cfg_load {	3142	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3144	or return;
2528		3145
2529	local $/;	3146	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2531		3148
…		…
2550	(async {	3167	(async {
2551	Event::one_event;	3168	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2553	};	3170	};
2554		3171
2555	cfg_load;	3172	reload_config;
2556	db_init;	3173	db_init;
2557	load_extensions;	3174	load_extensions;
2558		3175
2559	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2560	Event::loop;	3177	Event::loop;
…		…
2576	},	3193	},
2577	);	3194	);
2578	}	3195	}
2579	}	3196	}
2580		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2581	sub emergency_save() {	3236	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2583		3238
2584	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2585		3240
…		…
2660	%EXT_CORO = ();	3315	%EXT_CORO = ();
2661		3316
2662	warn "removing commands";	3317	warn "removing commands";
2663	%COMMAND = ();	3318	%COMMAND = ();
2664		3319
2665	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2667		3323
2668	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2671		3327
…		…
2701	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3359
2704	warn "unloading cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2706		3363
2707	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3365	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2710		3367
…		…
2713	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2714	require cf;	3371	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3373
2717	warn "loading config and database again";	3374	warn "loading config and database again";
2718	cf::cfg_load;	3375	cf::reload_config;
2719		3376
2720	warn "loading extensions";	3377	warn "loading extensions";
2721	cf::load_extensions;	3378	cf::load_extensions;
2722		3379
2723	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
…		…
2787		3444
2788	my $signal = new Coro::Signal;	3445	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3446	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3447	$signal->wait;
2791	}	3448	}
		3449
		3450	our $stat_fh;
		3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2792		3452
2793	$TICK_WATCHER = Event->timer (	3453	$TICK_WATCHER = Event->timer (
2794	reentrant => 0,	3454	reentrant => 0,
2795	parked => 1,	3455	parked => 1,
2796	prio => 0,	3456	prio => 0,
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3462	unless ++$bug_warning > 10;
2803	return;	3463	return;
2804	}	3464	}
2805		3465
		3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3467
2806	$NOW = Event::time;	3468	$NOW = $tick_start = Event::time;
2807		3469
2808	cf::server_tick; # one server iteration	3470	cf::server_tick; # one server iteration
2809		3471
2810	$RUNTIME += $TICK;	3472	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3473	$NEXT_TICK += $TICK;
…		…
2819	}	3481	}
2820		3482
2821	# my $AFTER = Event::time;	3483	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#	3484	# warn $AFTER - $NOW;#d#
2823		3485
		3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3487	$sig->send;
		3488	}
		3489	while (my $sig = shift @WAIT_FOR_TICK) {
		3490	$sig->send;
		3491	}
		3492
		3493	$NOW = Event::time;
		3494
2824	# if we are delayed by four ticks or more, skip them all	3495	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3497
2827	$TICK_WATCHER->at ($NEXT_TICK);	3498	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3499	$TICK_WATCHER->start;
2829		3500
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3501	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3503
2837	_post_tick;	3504	_post_tick;
		3505
		3506	# gather some statistics#d#
		3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2838	},	3509	},
2839	);	3510	);
2840		3511
2841	{	3512	{
		3513	BDB::min_parallel 8;
2842	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2843	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2844	reentrant => 0,	3516	reentrant => 0,
2845	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2846	poll => 'r',	3518	poll => 'r',
2847	prio => 0,	3519	prio => 0,
2848	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2850	);	3522	);
2851	BDB::min_parallel 8;
2852		3523
2853	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2854	my $status;	3525	my $status;
2855	my $current = $Coro::current;	3526	my $current = $Coro::current;
2856	(	3527	(
…		…
2870		3541
2871	cf::sync_job {	3542	cf::sync_job {
2872	eval {	3543	eval {
2873	BDB::db_env_open	3544	BDB::db_env_open
2874	$DB_ENV,	3545	$DB_ENV,
2875	$BDB_ENV_DIR,	3546	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3549	0666;
2879		3550
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881		3552
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3554	| BDB::LOG_AUTOREMOVE, 1);
2883	$DB_ENV->set_lk_detect;	3555	$DB_ENV->set_lk_detect;
2884	};	3556	};
2885		3557
2886	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3559	};
2888	}	3560	}
		3561
		3562	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3563	after => 11,
		3564	interval => 60,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_TRICKLE_WATCHER = Event->timer (
		3573	after => 5,
		3574	interval => 10,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3580	},
		3581	);
2889	}	3582	}
2890		3583
2891	{	3584	{
2892	IO::AIO::min_parallel 8;	3585	IO::AIO::min_parallel 8;
2893		3586
…		…
2901	prio => 6,	3594	prio => 6,
2902	cb => \&IO::AIO::poll_cb,	3595	cb => \&IO::AIO::poll_cb,
2903	);	3596	);
2904	}	3597	}
2905		3598
		3599	my $_log_backtrace;
		3600
		3601	sub _log_backtrace {
		3602	my ($msg, @addr) = @_;
		3603
		3604	$msg =~ s/\n//;
		3605
		3606	# limit the # of concurrent backtraces
		3607	if ($_log_backtrace < 2) {
		3608	++$_log_backtrace;
		3609	async {
		3610	my @bt = fork_call {
		3611	@addr = map { sprintf "%x", $_ } @addr;
		3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3614	or die "addr2line: $!";
		3615
		3616	my @funcs;
		3617	my @res = <$fh>;
		3618	chomp for @res;
		3619	while (@res) {
		3620	my ($func, $line) = splice @res, 0, 2, ();
		3621	push @funcs, "[$func] $line";
		3622	}
		3623
		3624	@funcs
		3625	};
		3626
		3627	LOG llevInfo, "[ABT] $msg\n";
		3628	LOG llevInfo, "[ABT] $_\n" for @bt;
		3629	--$_log_backtrace;
		3630	};
		3631	} else {
		3632	LOG llevInfo, "[ABT] $msg\n";
		3633	LOG llevInfo, "[ABT] [suppressed]\n";
		3634	}
		3635	}
		3636
2906	# load additional modules	3637	# load additional modules
2907	use cf::pod;	3638	use cf::pod;
2908		3639
2909	END { cf::emergency_save }	3640	END { cf::emergency_save }
2910		3641

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