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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.61 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS 1.4 ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	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";
58		75
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		95
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	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
118	every server tick.	133	every server tick.
119		134
120	=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
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	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.
132		161
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
139		168
140	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
141	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
142	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.
143		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
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
156	LOG llevError, $msg;	193	LOG llevError, $msg;
157	};	194	};
158	}	195	}
159		196
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		204
167	# 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
168	# within the Safe compartment.	206	# within the Safe compartment.
169	for my $pkg (qw(	207	for my $pkg (qw(
170	cf::global cf::attachable	208	cf::global cf::attachable
…		…
178	}	216	}
179		217
180	$Event::DIED = sub {	218	$Event::DIED = sub {
181	warn "error in event callback: @_";	219	warn "error in event callback: @_";
182	};	220	};
		221
		222	#############################################################################
183		223
184	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
185		225
186	=over 4	226	=over 4
187		227
…		…
206	$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;
207	$d	247	$d
208	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
209	}	249	}
210		250
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
214		252
215	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
216		254
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	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]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
230	returned.	275	returned.
231		276
232	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
233	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
234		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
235	=cut	284	=cut
236		285
237	our %LOCK;	286	our %LOCK;
238		287
239	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256		305
257	Coro::guard {	306	Coro::guard {
258	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
260	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
261	}	316	}
262		317
263	sub freeze_mainloop {	318	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
265		320
…		…
268	};	323	};
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
271	}	326	}
272		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
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	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)
286	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
287	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.
288		400
289	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
290	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
291	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
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		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
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		470
351	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.
352		475
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
354	or return;
355		477
356	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		480
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
361	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
362		484
363	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	486	reset_signals;
365	and return;	487	&$cb
		488	}, @args;
366		489
367	close $fh	490	wantarray ? @res : $res[-1]
368	or return;	491	}
369		492
370	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
371	and return;
372		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	};
373	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"
374	}	607	}
375		608
376	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
377		610
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
398		631
399	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>
400	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
401	crossfire+).	634	Crossfire TRT).
402		635
403	=over 4	636	=over 4
404		637
405	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
406		639
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
570		803
571	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		808
576	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	810	my $pkg = shift @arg;
578		811
579	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
609	}	842	}
610		843
611	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
612	} else {	845	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	847	}
615		848
616	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
617	}	850	}
618		851
…		…
620	if (ref $_[0]) {	853	if (ref $_[0]) {
621	_object_attach @_;	854	_object_attach @_;
622	} else {	855	} else {
623	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
624	}	857	}
		858	_recalc_want;
625	};	859	};
626		860
627	# all those should be optimised	861	# all those should be optimised
628	sub cf::attachable::detach {	862	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
633	reattach ($obj);	867	reattach ($obj);
634	} else {	868	} else {
635	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
636	}	870	}
		871	_recalc_want;
637	};	872	};
638		873
639	sub cf::attachable::attached {	874	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
641		876
…		…
656	";	891	";
657	die if $@;	892	die if $@;
658	}	893	}
659		894
660	our $override;	895	our $override;
661	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?
662		897
663	sub override {	898	sub override {
664	$override = 1;	899	$override = 1;
665	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
666	}	901	}
667		902
668	sub do_invoke {	903	sub do_invoke {
669	my $event = shift;	904	my $event = shift;
670	my $callbacks = shift;	905	my $callbacks = shift;
671		906
672	@invoke_results = ();	907	@INVOKE_RESULTS = ();
673		908
674	local $override;	909	local $override;
675		910
676	for (@$callbacks) {	911	for (@$callbacks) {
677	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
694		929
695	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
696		931
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		935
701	=back	936	=back
702		937
703	=cut	938	=cut
704		939
705	#############################################################################	940	#############################################################################
706	# 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	}
707		953
708	sub reattach {	954	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	956	my ($obj) = @_;
711		957
…		…
814	or return;	1060	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1062	}
817		1063
818	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1066	return ($data, $av);
821	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
822		1074
823	#############################################################################	1075	#############################################################################
824	# command handling &c	1076	# command handling &c
825		1077
826	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1092	}
841		1093
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1095
844	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.
845		1101
846	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
847	called.	1103	called.
848		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
849	=cut	1116	=cut
850		1117
851	sub register_extcmd {	1118	sub register_extcmd {
852	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
853		1120
854	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
855	}	1128	}
856		1129
857	cf::player->attach (	1130	cf::player->attach (
858	on_command => sub {	1131	on_command => sub {
859	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1141	cf::override;
869	},	1142	},
870	on_extcmd => sub {	1143	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
872		1145
873	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1147
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
878	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
879	}	1158	if $reply;
880	}	1159	}
881	} else {	1160	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1162	}
884		1163
885	cf::override;	1164	cf::override;
886	},	1165	},
887	);	1166	);
888		1167
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
924	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1173	next unless -r $path;
926	eval {	1174
927	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;
928	1	1232	}
929	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
930	}	1238	};
931	}	1239	}
932		1240
933	#############################################################################	1241	#############################################################################
934		1242
		1243	=back
		1244
935	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
936		1246
937	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
938		1248
939	=cut	1249	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
952		1262
953	=cut	1263	=cut
954		1264
955	sub playerdir($) {	1265	sub playerdir($) {
956	cf::localdir	1266	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1268	}
962		1269
963	sub path($) {	1270	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1028	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1029		1336
1030	$self	1337	$self
1031	}	1338	}
1032		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
1033	=item $pl->quit_character	1350	=item $pl->quit_character
1034		1351
1035	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
1036	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1037		1354
…		…
1084	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1085		1402
1086	=cut	1403	=cut
1087		1404
1088	sub list_logins {	1405	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1407	or return [];
1091		1408
1092	my @logins;	1409	my @logins;
1093		1410
1094	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1129	}	1446	}
1130		1447
1131	\@paths	1448	\@paths
1132	}	1449	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1135		1502
1136	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1137		1504
1138	=cut	1505	=cut
1139		1506
1140	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1142		1509
1143	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1144		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1145	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1146	}	1517	}
1147		1518
1148	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1149		1520
1150	Sends an ext event to the client.	1521	Sends an ext event to the client.
1151		1522
1152	=cut	1523	=cut
1153		1524
1154	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1156		1527
1157	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1158	}	1529	}
1159		1530
1160	=head3 cf::region	1531	=head3 cf::region
1161		1532
1162	=over 4	1533	=over 4
…		…
1165		1536
1166	package cf::region;	1537	package cf::region;
1167		1538
1168	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1169		1540
1170	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1171		1542
1172	=cut	1543	=cut
1173		1544
1174	sub find_by_path($) {	1545	sub find_by_path($) {
1175	my ($path) = @_;	1546	my ($path) = @_;
1176		1547
1177	my ($match, $specificity);	1548	my ($match, $specificity);
1178		1549
1179	for my $region (list) {	1550	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1183	}	1554	}
1184	}	1555	}
1185		1556
…		…
1249	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1250		1621
1251	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1252	local $self->{path};	1623	local $self->{path};
1253	local $self->{load_path};	1624	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1625
1257	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1258	}	1627	}
1259		1628
1260	sub normalise {	1629	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1308	return $self;	1677	return $self;
1309	}	1678	}
1310	}	1679	}
1311		1680
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1682	()
1314	}	1683	}
1315		1684
1316	sub init {	1685	sub init {
1317	my ($self) = @_;	1686	my ($self) = @_;
…		…
1332		1701
1333	# the original (read-only) location	1702	# the original (read-only) location
1334	sub load_path {	1703	sub load_path {
1335	my ($self) = @_;	1704	my ($self) = @_;
1336		1705
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1338	}	1707	}
1339		1708
1340	# the temporary/swap location	1709	# the temporary/swap location
1341	sub save_path {	1710	sub save_path {
1342	my ($self) = @_;	1711	my ($self) = @_;
1343		1712
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1346	}	1715	}
1347		1716
1348	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1349	sub uniq_path {	1718	sub uniq_path {
1350	my ($self) = @_;	1719	my ($self) = @_;
1351		1720
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1354	}	1723	}
1355		1724
1356	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1357	# all maps in C++...	1726	# all maps in C++...
1358	sub change_all_map_light {	1727	sub change_all_map_light {
1359	my ($change) = @_;	1728	my ($change) = @_;
1360		1729
1361	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1362	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	$self->do_decay_objects;
1363	}	1740	}
1364		1741
1365	sub unlink_save {	1742	sub unlink_save {
1366	my ($self) = @_;	1743	my ($self) = @_;
1367		1744
…		…
1425	$self->load_header_orig	1802	$self->load_header_orig
1426	or return;	1803	or return;
1427	$self->prepare_orig;	1804	$self->prepare_orig;
1428	}	1805	}
1429		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1430	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1811	unless $self->default_region;
1432		1812
1433	1	1813	1
1434	}	1814	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1450		1830
1451	$map->load_header	1831	$map->load_header
1452	or return;	1832	or return;
1453		1833
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1837	$map->reset;
1458	undef $guard;	1838	undef $guard;
1459	return find $path;	1839	return find $path;
…		…
1470	my ($self) = @_;	1850	my ($self) = @_;
1471		1851
1472	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1473		1853
1474	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1476		1858
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1860
1479	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1480		1862
1481	$self->alloc;	1863	$self->alloc;
1482		1864
1483	$self->pre_load;	1865	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1866	Coro::cede;
1510	$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;
1511	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1886	unless $self->difficulty;
1513	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($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;
1514	$self->activate;	1896	$self->activate;
1515	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);
1516	}	1903	}
1517		1904
1518	$self->post_load;	1905	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1906	}
1523		1907
1524	sub customise_for {	1908	sub customise_for {
1525	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1526		1910
1527	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1912	if $self->per_player;
1529		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1530	$self	1917	$self
1531	}	1918	}
1532		1919
1533	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1921	sub load_neighbours {
1535	my ($map) = @_;	1922	my ($map) = @_;
1536		1923
1537	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1538		1925
1539	for (0 .. 3) {	1926	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1541	or next;	1928	or next;
1542	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1543	or next;	1930	or next;
1544	$neigh->load;	1931	$neigh->load;
1545		1932
		1933	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	1936	}
1549		1937
1550	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1552	or next;	1941	or next;
1553	$neigh->load;	1942	$neigh->load;
1554	}	1943	}
1555	}	1944	}
1556		1945
…		…
1580		1969
1581	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1582	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1585	my $map = find $path	1974	if (my $map = find $path) {
1586	or next;
1587	$map->load;	1975	$map->load;
		1976	}
1588		1977
1589	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1590	}	1979	}
1591	}	1980	}
1592	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1644		2033
1645	sub reset_at {	2034	sub reset_at {
1646	my ($self) = @_;	2035	my ($self) = @_;
1647		2036
1648	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1651		2039
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2042
…		…
1665	my ($self) = @_;	2053	my ($self) = @_;
1666		2054
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2056
1669	return if $self->players;	2057	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2058
1672	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1673		2060
1674	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1675		2062
1676	# need to save uniques path	2063	# need to save uniques path
1677	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1710		2097
1711	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1712	}	2099	}
1713		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
1714	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1715		2138
1716	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2140	instantiated unique items. May block.
1718		2141
1719	=cut	2142	=cut
1720		2143
1721	sub unique_maps() {	2144	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1723	or return;	2146	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2147	utf8::decode $_;
1729	next if /\.pst$/;	2148	/\.map$/
1730	next unless /^$PATH_SEP/o;	2149	? normalise $_
1731		2150	: ()
1732	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2152	]
1734
1735	\@paths
1736	}	2153	}
1737		2154
1738	package cf;	2155	package cf;
1739		2156
1740	=back	2157	=back
…		…
1786		2203
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2205
1789	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1794	}	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 (@_);
1795	}	2231	}
1796		2232
1797	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1798		2234
1799	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1847		2283
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2285
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1852		2288
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2290	}
1855		2291
1856	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1858		2296
1859	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1860		2298
1861	unless ($map) {	2299	unless ($map) {
1862	# restore original map position	2300	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1879		2317
1880	$map->load;	2318	$map->load;
1881	$map->load_diag;	2319	$map->load_neighbours;
1882		2320
1883	return unless $self->contr->active;	2321	return unless $self->contr->active;
1884	$self->activate_recursive;	2322	$self->activate_recursive;
1885		2323
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1888	}	2326	}
1889		2327
1890	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2329
1894	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1898	};	2334	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2335
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1925		2339
1926	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1927	my ($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;
1928		2345
1929	$self->enter_link;	2346	$self->enter_link;
1930		2347
1931	(async {	2348	(async {
1932	my $map = eval {	2349	my $map = eval {
1933	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2365	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1940	})->prio (1);	2373	})->prio (1);
1941	}	2374	}
1942		2375
1943	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1944		2377
…		…
1983		2416
1984	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1985		2418
1986	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1989		2422
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2425	undef $fh;
1993	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
2012	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;
2013	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2015		2448
2016	$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);
2017		2454
2018	(async {	2455	(async {
2019	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2457	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
…		…
2049		2486
2050	utf8::encode $text;	2487	utf8::encode $text;
2051	$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);
2052	}	2489	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2055		2554
2056	Sends an exti event to the client.	2555	Sends an ext event to the client.
2057		2556
2058	=cut	2557	=cut
2059		2558
2060	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2062		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
2063	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
2065	}	2570	}
2066		2571
2067	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2068		2573
2069	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2577
2073	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
2074	reliable at some point in the future.	2579	become reliable at some point in the future.
2075		2580
2076	=cut	2581	=cut
2077		2582
2078	sub cf::client::query {	2583	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2592	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2594
2090	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2092	}	2599	}
2093		2600
2094	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2095	on_reply => sub {	2607	on_reply => sub {
2096	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2097		2609
2098	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2099	# get handled first	2611	# get handled first
…		…
2111	} else {	2623	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2625	}
2114	}	2626	}
2115	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($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	},
2116	);	2651	);
2117		2652
2118	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2119		2654
2120	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2163		2698
2164	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2165		2700
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2167		2706
2168	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2169		2708
2170	=pod	2709	=pod
2171		2710
2172	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2173		2712
2174	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2175	cf::object::player player	2717	cf::object::player
2176	cf::player peaceful	2718	player
2177	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2178		2725
2179	=cut	2726	=cut
2180		2727
2181	for (	2728	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2183	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2186	) {	2734	) {
2187	no strict 'refs';	2735	no strict 'refs';
…		…
2258	=back	2806	=back
2259		2807
2260	=cut	2808	=cut
2261		2809
2262	#############################################################################	2810	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372
2373	#############################################################################
2374	# the server's init and main functions	2811	# the server's init and main functions
2375		2812
2376	sub load_facedata($) {	2813	sub load_facedata($) {
2377	my ($path) = @_;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2378		2817
2379	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2380		2819
2381	my $facedata;	2820	my $facedata;
2382	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
…		…
2385	$facedata = Coro::Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2386		2825
2387	$facedata->{version} == 2	2826	$facedata->{version} == 2
2388	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2389		2828
		2829	# patch in the exptable
		2830	$facedata->{resource}{"res/exp_table"} = {
		2831	type => FT_RSRC,
		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2833	};
		2834	cf::cede_to_tick;
		2835
2390	{	2836	{
2391	my $faces = $facedata->{faceinfo};	2837	my $faces = $facedata->{faceinfo};
2392		2838
2393	while (my ($face, $info) = each %$faces) {	2839	while (my ($face, $info) = each %$faces) {
2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2841	cf::face::set_visibility $idx, $info->{visibility};
		2842	cf::face::set_magicmap $idx, $info->{magicmap};
2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2398	Coro::cede;	2845
		2846	cf::cede_to_tick;
2399	}	2847	}
2400		2848
2401	while (my ($face, $info) = each %$faces) {	2849	while (my ($face, $info) = each %$faces) {
2402	next unless $info->{smooth};	2850	next unless $info->{smooth};
2403	my $idx = cf::face::find $face	2851	my $idx = cf::face::find $face
2404	or next;	2852	or next;
2405	if (my $smooth = cf::face::find $info->{smooth}) {	2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407	} else {	2856	} else {
2408	warn "smooth face '$info->{smooth}' not found for face '$face'";	2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
2409	}	2858	}
2410	Coro::cede;	2859
		2860	cf::cede_to_tick;
2411	}	2861	}
2412	}	2862	}
2413		2863
2414	{	2864	{
2415	my $anims = $facedata->{animinfo};	2865	my $anims = $facedata->{animinfo};
2416		2866
2417	while (my ($anim, $info) = each %$anims) {	2867	while (my ($anim, $info) = each %$anims) {
2418	cf::anim::set $anim, $info->{frames}, $info->{facings};	2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
2419	Coro::cede;	2869	cf::cede_to_tick;
2420	}	2870	}
2421		2871
2422	cf::anim::invalidate_all; # d'oh	2872	cf::anim::invalidate_all; # d'oh
2423	}	2873	}
2424		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
2425	1	2922	1
2426	}	2923	}
2427		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
2428	sub reload_facedata {	2943	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	2944	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	2945	or die "unable to load facedata\n";
2431	}	2946	}
2432		2947
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	2948	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	2949	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
2441	}	2956	}
2442		2957
2443	sub reload_treasures {	2958	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	2959	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	2960	or die "unable to load treasurelists\n";
2446	}	2961	}
2447		2962
2448	sub reload_resources {	2963	sub reload_resources {
2449	warn "reloading resource files...\n";	2964	warn "reloading resource files...\n";
2450		2965
2451	reload_regions;	2966	reload_regions;
2452	reload_facedata;	2967	reload_facedata;
		2968	#reload_archetypes;#d#
2453	reload_archetypes;	2969	reload_archetypes;
2454	reload_treasures;	2970	reload_treasures;
2455		2971
2456	warn "finished reloading resource files\n";	2972	warn "finished reloading resource files\n";
2457	}	2973	}
…		…
2459	sub init {	2975	sub init {
2460	reload_resources;	2976	reload_resources;
2461	}	2977	}
2462		2978
2463	sub cfg_load {	2979	sub cfg_load {
2464	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2465	or return;	2981	or return;
2466		2982
2467	local $/;	2983	local $/;
2468	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2469		2985
…		…
2514	},	3030	},
2515	);	3031	);
2516	}	3032	}
2517	}	3033	}
2518		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2519	sub emergency_save() {	3073	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2521		3075
2522	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2523		3077
…		…
2598	%EXT_CORO = ();	3152	%EXT_CORO = ();
2599		3153
2600	warn "removing commands";	3154	warn "removing commands";
2601	%COMMAND = ();	3155	%COMMAND = ();
2602		3156
2603	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2604	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2605		3160
2606	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2609		3164
…		…
2639	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		3196
2642	warn "unloading cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2644		3200
2645	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2646	# and global variables created in xs	3202	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2648		3204
…		…
2726	my $signal = new Coro::Signal;	3282	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	3283	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	3284	$signal->wait;
2729	}	3285	}
2730		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2731	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2732	reentrant => 0,	3290	reentrant => 0,
2733	parked => 1,	3291	parked => 1,
2734	prio => 0,	3292	prio => 0,
2735	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
…		…
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	3298	unless ++$bug_warning > 10;
2741	return;	3299	return;
2742	}	3300	}
2743		3301
2744	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2745		3303
2746	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
2747		3328
2748	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2749	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2750		3331
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2757	}	3338	}
2758		3339
2759	# my $AFTER = Event::time;	3340	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#	3341	# warn $AFTER - $NOW;#d#
2761		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2762	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2764		3354
2765	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
2767		3357
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3358	$LOAD = ($NOW - $tick_start) / $TICK;
2769	$sig->send;	3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2770	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;
2773	}
2774		3360
2775	_post_tick;	3361	_post_tick;
		3362
		3363
2776	},	3364	},
2777	);	3365	);
2778		3366
2779	{	3367	{
2780	BDB::max_poll_time $TICK * 0.1;	3368	BDB::max_poll_time $TICK * 0.1;
…		…
2808		3396
2809	cf::sync_job {	3397	cf::sync_job {
2810	eval {	3398	eval {
2811	BDB::db_env_open	3399	BDB::db_env_open
2812	$DB_ENV,	3400	$DB_ENV,
2813	$BDB_ENV_DIR,	3401	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	3404	0666;
2817		3405
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819		3407
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;	3409	$DB_ENV->set_lk_detect;
2822	};	3410	};
2823		3411
…		…
2839	prio => 6,	3427	prio => 6,
2840	cb => \&IO::AIO::poll_cb,	3428	cb => \&IO::AIO::poll_cb,
2841	);	3429	);
2842	}	3430	}
2843		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
		3467	}
		3468	}
		3469
2844	# load additional modules	3470	# load additional modules
2845	use cf::pod;	3471	use cf::pod;
2846		3472
2847	END { cf::emergency_save }	3473	END { cf::emergency_save }
2848		3474

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