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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.334 by root, Mon Aug 20 22:09:04 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 1.4 ();
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
…		…
75	our $RUNTIME;	90	our $RUNTIME;
76		91
77	our %PLAYER; # all users	92	our %PLAYER; # all users
78	our %MAP; # all maps	93	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
83	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
86	binmode STDOUT;	103	binmode STDOUT;
87	binmode STDERR;	104	binmode STDERR;
88		105
89	# read virtual server time, if available	106	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
94	}	111	}
95		112
96	mkdir cf::localdir;	113	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	114	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		115
103	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
104		117
105	sub cf::map::normalise;	118	sub cf::map::normalise;
106		119
…		…
117	=item $cf::RUNTIME	130	=item $cf::RUNTIME
118		131
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	133	every server tick.
121		134
122	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		138
124	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
126		143
127	=item $cf::NOW	144	=item $cf::NOW
128		145
129	The time of the last (current) server tick.	146	The time of the last (current) server tick.
130		147
131	=item $cf::TICK	148	=item $cf::TICK
132		149
133	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
134		161
135	=item %cf::CFG	162	=item %cf::CFG
136		163
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
141		168
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
…		…
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153		186
154	$msg .= "\n"	187	$msg .= "\n"
155	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
156		189
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		191
159	utf8::encode $msg;	192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
…		…
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		204
171	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
234	returned.	275	returned.
235		276
236	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
238		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
239	=cut	284	=cut
240		285
241	our %LOCK;	286	our %LOCK;
242		287
243	sub lock_wait($) {	288	sub lock_wait($) {
…		…
260		305
261	Coro::guard {	306	Coro::guard {
262	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
264	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
265	}	316	}
266		317
267	sub freeze_mainloop {	318	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
269		320
…		…
272	};	323	};
273	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
274	$guard	325	$guard
275	}	326	}
276		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
277	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
278		385
279	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
284		391
285	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
286		393
287	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
288		395
289	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
292		400
293	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
296	fast or be very important.	404	fast or be very important.
…		…
299		407
300	sub sync_job(&) {	408	sub sync_job(&) {
301	my ($job) = @_;	409	my ($job) = @_;
302		410
303	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
304	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
306		416
307	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
319		429
320	while ($busy) {	430	while ($busy) {
321	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
322	}	432	}
323		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
324	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
325	} else {	442	} else {
326	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
327		444
328	$job->()	445	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
348		465
349	$coro	466	$coro
350	}	467	}
351		468
352	sub write_runtime {	469	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		470
355	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
356		475
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
358	or return;
359		477
360	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		480
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
365	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
366		484
367	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	486	reset_signals;
369	and return;	487	&$cb
		488	}, @args;
370		489
371	close $fh	490	wantarray ? @res : $res[-1]
372	or return;	491	}
373		492
374	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
375	and return;
376		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
377	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
378	}	607	}
379		608
380	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
381		610
382	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
402		631
403	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	634	Crossfire TRT).
406		635
407	=over 4	636	=over 4
408		637
409	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
410		639
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
574		803
575	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		808
580	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	810	my $pkg = shift @arg;
582		811
583	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
613	}	842	}
614		843
615	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
616	} else {	845	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	847	}
619		848
620	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
621	}	850	}
622		851
…		…
624	if (ref $_[0]) {	853	if (ref $_[0]) {
625	_object_attach @_;	854	_object_attach @_;
626	} else {	855	} else {
627	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
628	}	857	}
		858	_recalc_want;
629	};	859	};
630		860
631	# all those should be optimised	861	# all those should be optimised
632	sub cf::attachable::detach {	862	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
637	reattach ($obj);	867	reattach ($obj);
638	} else {	868	} else {
639	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
640	}	870	}
		871	_recalc_want;
641	};	872	};
642		873
643	sub cf::attachable::attached {	874	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
645		876
…		…
660	";	891	";
661	die if $@;	892	die if $@;
662	}	893	}
663		894
664	our $override;	895	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		897
667	sub override {	898	sub override {
668	$override = 1;	899	$override = 1;
669	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
670	}	901	}
671		902
672	sub do_invoke {	903	sub do_invoke {
673	my $event = shift;	904	my $event = shift;
674	my $callbacks = shift;	905	my $callbacks = shift;
675		906
676	@invoke_results = ();	907	@INVOKE_RESULTS = ();
677		908
678	local $override;	909	local $override;
679		910
680	for (@$callbacks) {	911	for (@$callbacks) {
681	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
698		929
699	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
700		931
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		935
705	=back	936	=back
706		937
707	=cut	938	=cut
708		939
709	#############################################################################	940	#############################################################################
710	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
711		953
712	sub reattach {	954	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	956	my ($obj) = @_;
715		957
…		…
818	or return;	1060	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1062	}
821		1063
822	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1066	return ($data, $av);
825	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
826		1074
827	#############################################################################	1075	#############################################################################
828	# command handling &c	1076	# command handling &c
829		1077
830	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1092	}
845		1093
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1095
848	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
849		1101
850	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
851	called.	1103	called.
852		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
853	=cut	1116	=cut
854		1117
855	sub register_extcmd {	1118	sub register_extcmd {
856	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
857		1120
858	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
859	}	1128	}
860		1129
861	cf::player->attach (	1130	cf::player->attach (
862	on_command => sub {	1131	on_command => sub {
863	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1141	cf::override;
873	},	1142	},
874	on_extcmd => sub {	1143	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
876		1145
877	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1147
879	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
882	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
883	}	1158	if $reply;
884	}	1159	}
885	} else {	1160	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1162	}
888		1163
889	cf::override;	1164	cf::override;
890	},	1165	},
891	);	1166	);
892		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
928	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1173	next unless -r $path;
930	eval {	1174
931	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
932	1	1232	}
933	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
934	}	1238	};
935	}	1239	}
936		1240
937	#############################################################################	1241	#############################################################################
938		1242
		1243	=back
		1244
939	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
940		1246
941	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
942		1248
943	=cut	1249	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
956		1262
957	=cut	1263	=cut
958		1264
959	sub playerdir($) {	1265	sub playerdir($) {
960	cf::localdir	1266	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1268	}
966		1269
967	sub path($) {	1270	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1032	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1033		1336
1034	$self	1337	$self
1035	}	1338	}
1036		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1037	=item $pl->quit_character	1350	=item $pl->quit_character
1038		1351
1039	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1041		1354
…		…
1088	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1089		1402
1090	=cut	1403	=cut
1091		1404
1092	sub list_logins {	1405	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1407	or return [];
1095		1408
1096	my @logins;	1409	my @logins;
1097		1410
1098	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1133	}	1446	}
1134		1447
1135	\@paths	1448	\@paths
1136	}	1449	}
1137		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1138	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1139		1502
1140	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1141		1504
1142	=cut	1505	=cut
1143		1506
1144	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1146		1509
1147	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1148		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1149	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1150	}	1517	}
1151		1518
1152	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1153		1520
1154	Sends an ext event to the client.	1521	Sends an ext event to the client.
1155		1522
1156	=cut	1523	=cut
1157		1524
1158	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1160		1527
1161	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1162	}	1529	}
1163		1530
1164	=head3 cf::region	1531	=head3 cf::region
1165		1532
1166	=over 4	1533	=over 4
…		…
1169		1536
1170	package cf::region;	1537	package cf::region;
1171		1538
1172	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1173		1540
1174	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1175		1542
1176	=cut	1543	=cut
1177		1544
1178	sub find_by_path($) {	1545	sub find_by_path($) {
1179	my ($path) = @_;	1546	my ($path) = @_;
1180		1547
1181	my ($match, $specificity);	1548	my ($match, $specificity);
1182		1549
1183	for my $region (list) {	1550	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1187	}	1554	}
1188	}	1555	}
1189		1556
…		…
1253	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1254		1621
1255	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1256	local $self->{path};	1623	local $self->{path};
1257	local $self->{load_path};	1624	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1625
1261	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1262	}	1627	}
1263		1628
1264	sub normalise {	1629	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1312	return $self;	1677	return $self;
1313	}	1678	}
1314	}	1679	}
1315		1680
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1682	()
1318	}	1683	}
1319		1684
1320	sub init {	1685	sub init {
1321	my ($self) = @_;	1686	my ($self) = @_;
…		…
1336		1701
1337	# the original (read-only) location	1702	# the original (read-only) location
1338	sub load_path {	1703	sub load_path {
1339	my ($self) = @_;	1704	my ($self) = @_;
1340		1705
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1342	}	1707	}
1343		1708
1344	# the temporary/swap location	1709	# the temporary/swap location
1345	sub save_path {	1710	sub save_path {
1346	my ($self) = @_;	1711	my ($self) = @_;
1347		1712
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1350	}	1715	}
1351		1716
1352	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1353	sub uniq_path {	1718	sub uniq_path {
1354	my ($self) = @_;	1719	my ($self) = @_;
1355		1720
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1358	}	1723	}
1359		1724
1360	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1361	# all maps in C++...	1726	# all maps in C++...
1362	sub change_all_map_light {	1727	sub change_all_map_light {
1363	my ($change) = @_;	1728	my ($change) = @_;
1364		1729
1365	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1367	}	1740	}
1368		1741
1369	sub unlink_save {	1742	sub unlink_save {
1370	my ($self) = @_;	1743	my ($self) = @_;
1371		1744
…		…
1429	$self->load_header_orig	1802	$self->load_header_orig
1430	or return;	1803	or return;
1431	$self->prepare_orig;	1804	$self->prepare_orig;
1432	}	1805	}
1433		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1434	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1811	unless $self->default_region;
1436		1812
1437	1	1813	1
1438	}	1814	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1454		1830
1455	$map->load_header	1831	$map->load_header
1456	or return;	1832	or return;
1457		1833
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1837	$map->reset;
1462	undef $guard;	1838	undef $guard;
1463	return find $path;	1839	return find $path;
…		…
1474	my ($self) = @_;	1850	my ($self) = @_;
1475		1851
1476	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1477		1853
1478	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1480		1858
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1860
1483	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1484		1862
1485	$self->alloc;	1863	$self->alloc;
1486		1864
1487	$self->pre_load;	1865	$self->pre_load;
1488	Coro::cede;
1489
1490	$self->_load_objects ($self->{load_path}, 1)
1491	or return;
1492
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};
1495
1496	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);
1501	}
1502	}
1503
1504	Coro::cede;
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;	1866	Coro::cede;
1514	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1515	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1886	unless $self->difficulty;
1517	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1518	$self->activate;	1896	$self->activate;
1519	Coro::cede;	1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1903	}
1521		1904
1522	$self->post_load;	1905	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1906	}
1527		1907
1528	sub customise_for {	1908	sub customise_for {
1529	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1530		1910
1531	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1912	if $self->per_player;
1533		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1534	$self	1917	$self
1535	}	1918	}
1536		1919
1537	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1921	sub load_neighbours {
1539	my ($map) = @_;	1922	my ($map) = @_;
1540		1923
1541	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1542		1925
1543	for (0 .. 3) {	1926	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1545	or next;	1928	or next;
1546	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1547	or next;	1930	or next;
1548	$neigh->load;	1931	$neigh->load;
1549		1932
		1933	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	1936	}
1553		1937
1554	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1556	or next;	1941	or next;
1557	$neigh->load;	1942	$neigh->load;
1558	}	1943	}
1559	}	1944	}
1560		1945
…		…
1584		1969
1585	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1586	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1589	my $map = find $path	1974	if (my $map = find $path) {
1590	or next;
1591	$map->load;	1975	$map->load;
		1976	}
1592		1977
1593	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1594	}	1979	}
1595	}	1980	}
1596	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1648		2033
1649	sub reset_at {	2034	sub reset_at {
1650	my ($self) = @_;	2035	my ($self) = @_;
1651		2036
1652	# TODO: safety, remove and allow resettable per-player maps	2037	# 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};	2038	return 1e99 if $self->{deny_reset};
1655		2039
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2042
…		…
1669	my ($self) = @_;	2053	my ($self) = @_;
1670		2054
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2056
1673	return if $self->players;	2057	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2058
1676	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1677		2060
1678	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1679		2062
1680	# need to save uniques path	2063	# need to save uniques path
1681	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1713	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1714		2097
1715	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1716	}	2099	}
1717		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1718	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1719		2138
1720	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2140	instantiated unique items. May block.
1722		2141
1723	=cut	2142	=cut
1724		2143
1725	sub unique_maps() {	2144	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1727	or return;	2146	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2147	utf8::decode $_;
1733	next if /\.pst$/;	2148	/\.map$/
1734	next unless /^$PATH_SEP/o;	2149	? normalise $_
1735		2150	: ()
1736	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2152	]
1738
1739	\@paths
1740	}	2153	}
1741		2154
1742	package cf;	2155	package cf;
1743		2156
1744	=back	2157	=back
…		…
1790		2203
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2205
1793	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1795	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1798	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1799	}	2231	}
1800		2232
1801	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1802		2234
1803	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1851		2283
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2285
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1856		2288
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2290	}
1859		2291
1860	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1862		2296
1863	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1864		2298
1865	unless ($map) {	2299	unless ($map) {
1866	# restore original map position	2300	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1883		2317
1884	$map->load;	2318	$map->load;
1885	$map->load_diag;	2319	$map->load_neighbours;
1886		2320
1887	return unless $self->contr->active;	2321	return unless $self->contr->active;
1888	$self->activate_recursive;	2322	$self->activate_recursive;
1889		2323
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1892	}	2326	}
1893		2327
1894	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2329
1898	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1902	};	2334	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1929		2339
1930	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2345
1933	$self->enter_link;	2346	$self->enter_link;
1934		2347
1935	(async {	2348	(async {
1936	my $map = eval {	2349	my $map = eval {
1937	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1939	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2365	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1944	})->prio (1);	2373	})->prio (1);
1945	}	2374	}
1946		2375
1947	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1948		2377
…		…
1987		2416
1988	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1989		2418
1990	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1993		2422
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2425	undef $fh;
1997	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2019		2448
2020	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
2021		2454
2022	(async {	2455	(async {
2023	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2457	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
…		…
2053		2486
2054	utf8::encode $text;	2487	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2489	}
2057		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
2058	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2059		2554
2060	Sends an exti event to the client.	2555	Sends an ext event to the client.
2061		2556
2062	=cut	2557	=cut
2063		2558
2064	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2066		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
2069	}	2570	}
2070		2571
2071	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2072		2573
2073	Queues a query to the client, calling the given callback with	2574	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>,	2575	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>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2577
2077	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2579	become reliable at some point in the future.
2079		2580
2080	=cut	2581	=cut
2081		2582
2082	sub cf::client::query {	2583	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2592	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2594
2094	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2096	}	2599	}
2097		2600
2098	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2099	on_reply => sub {	2607	on_reply => sub {
2100	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2101		2609
2102	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2103	# get handled first	2611	# get handled first
…		…
2115	} else {	2623	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2625	}
2118	}	2626	}
2119	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2120	);	2651	);
2121		2652
2122	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2123		2654
2124	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2167		2698
2168	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2169		2700
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2171		2706
2172	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2173		2708
2174	=pod	2709	=pod
2175		2710
2176	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2177		2712
2178	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2179	cf::object::player player	2717	cf::object::player
2180	cf::player peaceful	2718	player
2181	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2182		2725
2183	=cut	2726	=cut
2184		2727
2185	for (	2728	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2187	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2190	) {	2734	) {
2191	no strict 'refs';	2735	no strict 'refs';
…		…
2262	=back	2806	=back
2263		2807
2264	=cut	2808	=cut
2265		2809
2266	#############################################################################	2810	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$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	2811	# the server's init and main functions
2437		2812
2438	sub load_facedata($) {	2813	sub load_facedata($) {
2439	my ($path) = @_;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2440		2817
2441	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2442		2819
2443	my $facedata;	2820	my $facedata;
2444	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2448		2825
2449	$facedata->{version} == 2	2826	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2828
		2829	# patch in the exptable
		2830	cf::cede_to_tick;
		2831	$facedata->{resource}{"res/exp_table"} = {
		2832	type => FT_RSRC,
		2833	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2834	};
		2835	cf::cede_to_tick;
		2836
2452	{	2837	{
2453	my $faces = $facedata->{faceinfo};	2838	my $faces = $facedata->{faceinfo};
2454		2839
2455	while (my ($face, $info) = each %$faces) {	2840	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2842	cf::face::set_visibility $idx, $info->{visibility};
		2843	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2844	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2845	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2846
		2847	cf::cede_to_tick;
2461	}	2848	}
2462		2849
2463	while (my ($face, $info) = each %$faces) {	2850	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2851	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2852	my $idx = cf::face::find $face
2466	or next;	2853	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2854	if (my $smooth = cf::face::find $info->{smooth}) {
		2855	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2857	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2858	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2859	}
2472	Coro::cede;	2860
		2861	cf::cede_to_tick;
2473	}	2862	}
2474	}	2863	}
2475		2864
2476	{	2865	{
2477	my $anims = $facedata->{animinfo};	2866	my $anims = $facedata->{animinfo};
2478		2867
2479	while (my ($anim, $info) = each %$anims) {	2868	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2869	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2870	cf::cede_to_tick;
2482	}	2871	}
2483		2872
2484	cf::anim::invalidate_all; # d'oh	2873	cf::anim::invalidate_all; # d'oh
2485	}	2874	}
2486		2875
		2876	{
		2877	# TODO: for gcfclient pleasure, we should give resources
		2878	# that gcfclient doesn't grok a >10000 face index.
		2879	my $res = $facedata->{resource};
		2880
		2881	my $soundconf = delete $res->{"res/sound.conf"};
		2882
		2883	while (my ($name, $info) = each %$res) {
		2884	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2885	my $data;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $meta = $enc->encode ({
		2891	name => $name,
		2892	%{ $info->{meta} || {} },
		2893	});
		2894
		2895	$data = pack "(w/a*)*", $meta, $info->{data};
		2896	}
		2897
		2898	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2899	cf::face::set_type $idx, $info->{type};
		2900
		2901	cf::cede_to_tick;
		2902	}
		2903
		2904	if ($soundconf) {
		2905	$soundconf = $enc->decode (delete $soundconf->{data});
		2906
		2907	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2908	my $sound = $soundconf->{compat}[$_]
		2909	or next;
		2910
		2911	my $face = cf::face::find "sound/$sound->[1]";
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2917	my $face = cf::face::find "sound/$v";
		2918	cf::sound::set $k => $face;
		2919	}
		2920	}
		2921	}
		2922
2487	1	2923	1
2488	}	2924	}
2489		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
		2933
		2934	sub reload_regions {
		2935	load_resource_file "$MAPDIR/regions"
		2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
		2942	}
		2943
2490	sub reload_facedata {	2944	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	2945	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	2946	or die "unable to load facedata\n";
2493	}	2947	}
2494		2948
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 {	2949	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	2950	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
2503	}	2957	}
2504		2958
2505	sub reload_treasures {	2959	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	2960	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	2961	or die "unable to load treasurelists\n";
2508	}	2962	}
2509		2963
2510	sub reload_resources {	2964	sub reload_resources {
2511	warn "reloading resource files...\n";	2965	warn "reloading resource files...\n";
2512		2966
2513	reload_regions;	2967	reload_regions;
2514	reload_facedata;	2968	reload_facedata;
		2969	#reload_archetypes;#d#
2515	reload_archetypes;	2970	reload_archetypes;
2516	reload_treasures;	2971	reload_treasures;
2517		2972
2518	warn "finished reloading resource files\n";	2973	warn "finished reloading resource files\n";
2519	}	2974	}
…		…
2521	sub init {	2976	sub init {
2522	reload_resources;	2977	reload_resources;
2523	}	2978	}
2524		2979
2525	sub cfg_load {	2980	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	2981	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	2982	or return;
2528		2983
2529	local $/;	2984	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	2985	*CFG = YAML::Syck::Load <$fh>;
2531		2986
…		…
2576	},	3031	},
2577	);	3032	);
2578	}	3033	}
2579	}	3034	}
2580		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
		3072	}
		3073
2581	sub emergency_save() {	3074	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2583		3076
2584	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2585		3078
…		…
2660	%EXT_CORO = ();	3153	%EXT_CORO = ();
2661		3154
2662	warn "removing commands";	3155	warn "removing commands";
2663	%COMMAND = ();	3156	%COMMAND = ();
2664		3157
2665	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2667		3161
2668	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2671		3165
…		…
2789	my $signal = new Coro::Signal;	3283	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3284	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3285	$signal->wait;
2792	}	3286	}
2793		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2794	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2795	reentrant => 0,	3291	reentrant => 0,
2796	parked => 1,	3292	parked => 1,
2797	prio => 0,	3293	prio => 0,
2798	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
…		…
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3299	unless ++$bug_warning > 10;
2804	return;	3300	return;
2805	}	3301	}
2806		3302
2807	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2808		3304
2809	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
2810		3329
2811	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2813		3332
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2820	}	3339	}
2821		3340
2822	# my $AFTER = Event::time;	3341	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#	3342	# warn $AFTER - $NOW;#d#
2824		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
		3352
2825	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2827		3355
2828	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
2830		3358
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3359	$LOAD = ($NOW - $tick_start) / $TICK;
2832	$sig->send;	3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837		3361
2838	_post_tick;	3362	_post_tick;
		3363
		3364
2839	},	3365	},
2840	);	3366	);
2841		3367
2842	{	3368	{
2843	BDB::max_poll_time $TICK * 0.1;	3369	BDB::max_poll_time $TICK * 0.1;
…		…
2871		3397
2872	cf::sync_job {	3398	cf::sync_job {
2873	eval {	3399	eval {
2874	BDB::db_env_open	3400	BDB::db_env_open
2875	$DB_ENV,	3401	$DB_ENV,
2876	$BDB_ENV_DIR,	3402	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3405	0666;
2880		3406
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882		3408
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;	3410	$DB_ENV->set_lk_detect;
2885	};	3411	};
2886		3412
…		…
2902	prio => 6,	3428	prio => 6,
2903	cb => \&IO::AIO::poll_cb,	3429	cb => \&IO::AIO::poll_cb,
2904	);	3430	);
2905	}	3431	}
2906		3432
		3433	my $_log_backtrace;
		3434
		3435	sub _log_backtrace {
		3436	my ($msg, @addr) = @_;
		3437
		3438	$msg =~ s/\n//;
		3439
		3440	# limit the # of concurrent backtraces
		3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
		3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
		3468	}
		3469	}
		3470
2907	# load additional modules	3471	# load additional modules
2908	use cf::pod;	3472	use cf::pod;
2909		3473
2910	END { cf::emergency_save }	3474	END { cf::emergency_save }
2911		3475

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