ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.101 by root, Mon Dec 25 14:43:23 2006 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro;	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
		22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
18		25
19	use IO::AIO 2.3;	26	use JSON::XS 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
		29	use Digest::MD5;
		30	use Fcntl;
20	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
21	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
22		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
24		44
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
27		47
28	$Coro::main->prio (Coro::PRIO_MIN);	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		49
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		51
32	our %COMMAND = ();	52	our %COMMAND = ();
33	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
35		60
		61	our $RELOAD; # number of reloads so far
36	our @EVENT;	62	our @EVENT;
37	our $LIBDIR = datadir . "/ext";
38		63
39	our $TICK = MAX_TIME * 1e-6;	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";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
40	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
41	our $NEXT_TICK;	80	our $NEXT_TICK;
		81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
42		86
43	our %CFG;	87	our %CFG;
44		88
45	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
		90	our $RUNTIME;
		91
		92	our %PLAYER; # all users
		93	our %MAP; # all maps
		94	our $LINK_MAP; # the special {link} map, which is always available
		95
		96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
		102
		103	binmode STDOUT;
		104	binmode STDERR;
		105
		106	# read virtual server time, if available
		107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
		108	open my $fh, "<", "$LOCALDIR/runtime"
		109	or die "unable to read runtime file: $!";
		110	$RUNTIME = <$fh> + 0.;
		111	}
		112
		113	mkdir $_
		114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		115
		116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
46		119
47	#############################################################################	120	#############################################################################
48		121
49	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
50		123
…		…
52		125
53	=item $cf::UPTIME	126	=item $cf::UPTIME
54		127
55	The timestamp of the server start (so not actually an uptime).	128	The timestamp of the server start (so not actually an uptime).
56		129
57	=item $cf::LIBDIR	130	=item $cf::RUNTIME
58		131
59	The perl library directory, where extensions and cf-specific modules can	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
60	be found. It will be added to C<@INC> automatically.	133	every server tick.
		134
		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
		138
		139	Various directories - "/etc", read-only install directory, perl-library
		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.
		143
		144	=item $cf::NOW
		145
		146	The time of the last (current) server tick.
61		147
62	=item $cf::TICK	148	=item $cf::TICK
63		149
64	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.
65		161
66	=item %cf::CFG	162	=item %cf::CFG
67		163
68	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
69	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
70		178
71	=back	179	=back
72		180
73	=cut	181	=cut
74		182
75	BEGIN {	183	BEGIN {
76	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	185	my $msg = join "", @_;
		186
78	$msg .= "\n"	187	$msg .= "\n"
79	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
80		189
81	print STDERR "cfperl: $msg";	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
82	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
83	};	194	};
84	}	195	}
85		196
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
87	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
88	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
89	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
90	@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';
91	@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)
92		204
93	# 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
94	# within the Safe compartment.	206	# within the Safe compartment.
95	for my $pkg (qw(	207	for my $pkg (qw(
96	cf::global cf::attachable	208	cf::global cf::attachable
…		…
105		217
106	$Event::DIED = sub {	218	$Event::DIED = sub {
107	warn "error in event callback: @_";	219	warn "error in event callback: @_";
108	};	220	};
109		221
110	my %ext_pkg;	222	#############################################################################
111	my @exts;
112	my @hook;
113		223
114	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
115		225
116	=over 4	226	=over 4
117		227
118	=cut	228	=item dumpval $ref
119		229
120	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
121		250
122	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
123		252
124	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
125		254
126	=cut
127
128	sub from_json($) {
129	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
130	JSON::Syck::Load $_[0]
131	}
132
133	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
134		256
135	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
136		258
137	=cut	259	=cut
138		260
139	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
141	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
		265
		266	=item cf::lock_wait $string
		267
		268	Wait until the given lock is available. See cf::lock_acquire.
		269
		270	=item my $lock = cf::lock_acquire $string
		271
		272	Wait until the given lock is available and then acquires it and returns
		273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		274	for example when the coroutine gets canceled), the lock is automatically
		275	returned.
		276
		277	Lock names should begin with a unique identifier (for example, cf::map::find
		278	uses map_find and cf::map::load uses map_load).
		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
		284	=cut
		285
		286	our %LOCK;
		287
		288	sub lock_wait($) {
		289	my ($key) = @_;
		290
		291	# wait for lock, if any
		292	while ($LOCK{$key}) {
		293	push @{ $LOCK{$key} }, $Coro::current;
		294	Coro::schedule;
		295	}
		296	}
		297
		298	sub lock_acquire($) {
		299	my ($key) = @_;
		300
		301	# wait, to be sure we are not locked
		302	lock_wait $key;
		303
		304	$LOCK{$key} = [];
		305
		306	Coro::guard {
		307	# wake up all waiters, to be on the safe side
		308	$_->ready for @{ delete $LOCK{$key} };
		309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
		318	sub freeze_mainloop {
		319	return unless $TICK_WATCHER->is_active;
		320
		321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
		324	$TICK_WATCHER->stop;
		325	$guard
		326	}
		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
		384	=item cf::async { BLOCK }
		385
		386	Currently the same as Coro::async_pool, meaning you cannot use
		387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		388	thing you are allowed to do is call C<prio> on it.
		389
		390	=cut
		391
		392	BEGIN { *async = \&Coro::async_pool }
		393
		394	=item cf::sync_job { BLOCK }
		395
		396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
		397	is always able to handle events or runnable, as Crossfire TRT is only
		398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
		400
		401	If it must be done, put the blocking parts into C<sync_job>. This will run
		402	the given BLOCK in another coroutine while waiting for the result. The
		403	server will be frozen during this time, so the block should either finish
		404	fast or be very important.
		405
		406	=cut
		407
		408	sub sync_job(&) {
		409	my ($job) = @_;
		410
		411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
		414	# this is the main coro, too bad, we have to block
		415	# till the operation succeeds, freezing the server :/
		416
		417	# TODO: use suspend/resume instead
		418	# (but this is cancel-safe)
		419	my $freeze_guard = freeze_mainloop;
		420
		421	my $busy = 1;
		422	my @res;
		423
		424	(async {
		425	@res = eval { $job->() };
		426	warn $@ if $@;
		427	undef $busy;
		428	})->prio (Coro::PRIO_MAX);
		429
		430	while ($busy) {
		431	Coro::cede or Event::one_event;
		432	}
		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
		441	wantarray ? @res : $res[0]
		442	} else {
		443	# we are in another coroutine, how wonderful, everything just works
		444
		445	$job->()
		446	}
		447	}
		448
		449	=item $coro = cf::async_ext { BLOCK }
		450
		451	Like async, but this coro is automatically being canceled when the
		452	extension calling this is being unloaded.
		453
		454	=cut
		455
		456	sub async_ext(&) {
		457	my $cb = shift;
		458
		459	my $coro = &Coro::async ($cb);
		460
		461	$coro->on_destroy (sub {
		462	delete $EXT_CORO{$coro+0};
		463	});
		464	$EXT_CORO{$coro+0} = $coro;
		465
		466	$coro
		467	}
		468
		469	=item fork_call { }, $args
		470
		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.
		475
		476	=cut
		477
		478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
		480
		481	# we seemingly have to make a local copy of the whole thing,
		482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
		484
		485	my @res = Coro::Util::fork_eval {
		486	reset_signals;
		487	&$cb
		488	}, @args;
		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		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	};
		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"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
142	}	618	}
143		619
144	=back	620	=back
145		621
146	=cut	622	=cut
…		…
153	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")
154	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
155		631
156	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>
157	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
158	crossfire+).	634	Crossfire TRT).
159		635
160	=over 4	636	=over 4
161		637
162	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
163		639
…		…
277	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
278	our @CB_MAP = ();	754	our @CB_MAP = ();
279		755
280	my %attachment;	756	my %attachment;
281		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
282	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
283	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
284		766
285	use sort 'stable';	767	use sort 'stable';
286		768
…		…
320	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
321		803
322	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
323	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
324	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
325	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
326		808
327	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
328	my $pkg = shift @arg;	810	my $pkg = shift @arg;
329		811
330	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
359	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
360	}	842	}
361		843
362	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
363	} else {	845	} else {
364	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
365	}	847	}
366		848
367	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
368	}	850	}
369		851
…		…
371	if (ref $_[0]) {	853	if (ref $_[0]) {
372	_object_attach @_;	854	_object_attach @_;
373	} else {	855	} else {
374	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
375	}	857	}
		858	_recalc_want;
376	};	859	};
377		860
378	# all those should be optimised	861	# all those should be optimised
379	sub cf::attachable::detach {	862	sub cf::attachable::detach {
380	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
383	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
384	reattach ($obj);	867	reattach ($obj);
385	} else {	868	} else {
386	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
387	}	870	}
		871	_recalc_want;
388	};	872	};
389		873
390	sub cf::attachable::attached {	874	sub cf::attachable::attached {
391	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
392		876
…		…
407	";	891	";
408	die if $@;	892	die if $@;
409	}	893	}
410		894
411	our $override;	895	our $override;
412	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?
413		897
414	sub override {	898	sub override {
415	$override = 1;	899	$override = 1;
416	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
417	}	901	}
418		902
419	sub do_invoke {	903	sub do_invoke {
420	my $event = shift;	904	my $event = shift;
421	my $callbacks = shift;	905	my $callbacks = shift;
422		906
423	@invoke_results = ();	907	@INVOKE_RESULTS = ();
424		908
425	local $override;	909	local $override;
426		910
427	for (@$callbacks) {	911	for (@$callbacks) {
428	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
445		929
446	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
447		931
448	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
449	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
450	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
451		935
452	=back	936	=back
453		937
454	=cut	938	=cut
455		939
456	#############################################################################	940	#############################################################################
457	# 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	}
		953
		954	sub reattach {
		955	# basically do the same as instantiate, without calling instantiate
		956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
		959
		960	my $registry = $obj->registry;
		961
		962	@$registry = ();
		963
		964	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
		965
		966	for my $name (keys %{ $obj->{_attachment} || {} }) {
		967	if (my $attach = $attachment{$name}) {
		968	for (@$attach) {
		969	my ($klass, @attach) = @$_;
		970	_attach $registry, $klass, @attach;
		971	}
		972	} else {
		973	warn "object uses attachment '$name' that is not available, postponing.\n";
		974	}
		975	}
		976	}
458		977
459	cf::attachable->attach (	978	cf::attachable->attach (
460	prio => -1000000,	979	prio => -1000000,
461	on_instantiate => sub {	980	on_instantiate => sub {
462	my ($obj, $data) = @_;	981	my ($obj, $data) = @_;
…		…
467	my ($name, $args) = @$_;	986	my ($name, $args) = @$_;
468		987
469	$obj->attach ($name, %{$args || {} });	988	$obj->attach ($name, %{$args || {} });
470	}	989	}
471	},	990	},
472	on_reattach => sub {	991	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($obj) = @_;
475	my $registry = $obj->registry;
476
477	@$registry = ();
478
479	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
480
481	for my $name (keys %{ $obj->{_attachment} || {} }) {
482	if (my $attach = $attachment{$name}) {
483	for (@$attach) {
484	my ($klass, @attach) = @$_;
485	_attach $registry, $klass, @attach;
486	}
487	} else {
488	warn "object uses attachment '$name' that is not available, postponing.\n";
489	}
490	}
491	},
492	on_clone => sub {	992	on_clone => sub {
493	my ($src, $dst) = @_;	993	my ($src, $dst) = @_;
494		994
495	@{$dst->registry} = @{$src->registry};	995	@{$dst->registry} = @{$src->registry};
496		996
…		…
502	);	1002	);
503		1003
504	sub object_freezer_save {	1004	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	1005	my ($filename, $rdata, $objs) = @_;
506		1006
		1007	sync_job {
507	if (length $$rdata) {	1008	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	1009	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
510		1011
511	if (open my $fh, ">:raw", "$filename~") {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1015	aio_fsync $fh if $cf::USE_FSYNC;
519	close $fh;	1016	close $fh;
		1017
		1018	if (@$objs) {
		1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		1020	chmod SAVE_MODE, $fh;
		1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
		1022	aio_write $fh, 0, (length $data), $data, 0;
		1023	aio_fsync $fh if $cf::USE_FSYNC;
		1024	close $fh;
520	rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
		1026	}
		1027	} else {
		1028	aio_unlink "$filename.pst";
		1029	}
		1030
		1031	aio_rename "$filename~", $filename;
521	} else {	1032	} else {
522	unlink "$filename.pst";	1033	warn "FATAL: $filename~: $!\n";
523	}	1034	}
524
525	rename "$filename~", $filename;
526	} else {	1035	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	1036	aio_unlink $filename;
531	unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
		1038	}
532	}	1039	}
533	}	1040	}
534		1041
535	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
541	}	1048	}
542		1049
543	sub object_thawer_load {	1050	sub object_thawer_load {
544	my ($filename) = @_;	1051	my ($filename) = @_;
545		1052
546	local $/;	1053	my ($data, $av);
547		1054
548	my $av;	1055	(aio_load $filename, $data) >= 0
		1056	or return;
549		1057
550	#TODO: use sysread etc.	1058	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	1059	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	1060	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
555	}	1062	}
		1063
		1064	warn sprintf "loading %s (%d)\n",
		1065	$filename, length $data, scalar @{$av || []};
556	return ($data, $av);	1066	return ($data, $av);
557	}
558
559	()
560	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
561		1074
562	#############################################################################	1075	#############################################################################
563	# command handling &c	1076	# command handling &c
564		1077
565	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
578	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
579	}	1092	}
580		1093
581	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
582		1095
583	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.
584		1101
585	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
586	called.	1103	called.
587		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
588	=cut	1116	=cut
589		1117
590	sub register_extcmd {	1118	sub register_extcmd {
591	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
592		1120
593	my $caller = caller;
594	#warn "registering extcmd '$name' to '$caller'";
595
596	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
597	}	1128	}
598		1129
599	cf::player->attach (	1130	cf::player->attach (
600	on_command => sub {	1131	on_command => sub {
601	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
610	cf::override;	1141	cf::override;
611	},	1142	},
612	on_extcmd => sub {	1143	on_extcmd => sub {
613	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
614		1145
615	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
616		1147
617	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
		1154	my @reply;
		1155
618	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
619	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
620	$pl->ext_reply ($msg->{msgid}, %reply);
621	}
622	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
623	} else {	1163	} else {
624	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
625	}	1165	}
626		1166
627	cf::override;	1167	cf::override;
628	},	1168	},
629	);	1169	);
630		1170
		1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
		1175	for my $path (<$LIBDIR/*.ext>) {
		1176	next unless -r $path;
		1177
		1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
		1235	}
		1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
		1241	};
		1242	}
		1243
		1244	#############################################################################
		1245
		1246	=back
		1247
		1248	=head2 CORE EXTENSIONS
		1249
		1250	Functions and methods that extend core crossfire objects.
		1251
		1252	=cut
		1253
		1254	package cf::player;
		1255
		1256	use Coro::AIO;
		1257
		1258	=head3 cf::player
		1259
		1260	=over 4
		1261
		1262	=item cf::player::find $login
		1263
		1264	Returns the given player object, loading it if necessary (might block).
		1265
		1266	=cut
		1267
		1268	sub playerdir($) {
		1269	"$PLAYERDIR/"
		1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1271	}
		1272
		1273	sub path($) {
		1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1275
		1276	(playerdir $login) . "/playerdata"
		1277	}
		1278
		1279	sub find_active($) {
		1280	$cf::PLAYER{$_[0]}
		1281	and $cf::PLAYER{$_[0]}->active
		1282	and $cf::PLAYER{$_[0]}
		1283	}
		1284
		1285	sub exists($) {
		1286	my ($login) = @_;
		1287
		1288	$cf::PLAYER{$login}
		1289	or cf::sync_job { !aio_stat path $login }
		1290	}
		1291
		1292	sub find($) {
		1293	return $cf::PLAYER{$_[0]} || do {
		1294	my $login = $_[0];
		1295
		1296	my $guard = cf::lock_acquire "user_find:$login";
		1297
		1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
		1306	my $pl = load_pl path $login
		1307	or return;
		1308	$cf::PLAYER{$login} = $pl
		1309	}
		1310	}
		1311	}
		1312
		1313	sub save($) {
		1314	my ($pl) = @_;
		1315
		1316	return if $pl->{deny_save};
		1317
		1318	my $path = path $pl;
		1319	my $guard = cf::lock_acquire "user_save:$path";
		1320
		1321	return if $pl->{deny_save};
		1322
		1323	aio_mkdir playerdir $pl, 0770;
		1324	$pl->{last_save} = $cf::RUNTIME;
		1325
		1326	$pl->save_pl ($path);
		1327	Coro::cede;
		1328	}
		1329
		1330	sub new($) {
		1331	my ($login) = @_;
		1332
		1333	my $self = create;
		1334
		1335	$self->ob->name ($login);
		1336	$self->{deny_save} = 1;
		1337
		1338	$cf::PLAYER{$login} = $self;
		1339
		1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
		1353	=item $pl->quit_character
		1354
		1355	Nukes the player without looking back. If logged in, the connection will
		1356	be destroyed. May block for a long time.
		1357
		1358	=cut
		1359
		1360	sub quit_character {
		1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
		1364
		1365	$pl->{deny_save} = 1;
		1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1367
		1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1369	$pl->deactivate;
		1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1371	$pl->ns->destroy if $pl->ns;
		1372
		1373	my $path = playerdir $pl;
		1374	my $temp = "$path~$cf::RUNTIME~deleting~";
		1375	aio_rename $path, $temp;
		1376	delete $cf::PLAYER{$pl->ob->name};
		1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
		1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
		1399	}
		1400
		1401	=item cf::player::list_logins
		1402
		1403	Returns am arrayref of all valid playernames in the system, can take a
		1404	while and may block, so not sync_job-capable, ever.
		1405
		1406	=cut
		1407
		1408	sub list_logins {
		1409	my $dirs = aio_readdir $PLAYERDIR
		1410	or return [];
		1411
		1412	my @logins;
		1413
		1414	for my $login (@$dirs) {
		1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1416	aio_read $fh, 0, 512, my $buf, 0 or next;
		1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1418
		1419	utf8::decode $login;
		1420	push @logins, $login;
		1421	}
		1422
		1423	\@logins
		1424	}
		1425
		1426	=item $player->maps
		1427
		1428	Returns an arrayref of map paths that are private for this
		1429	player. May block.
		1430
		1431	=cut
		1432
		1433	sub maps($) {
		1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
		1438	my $files = aio_readdir playerdir $pl
		1439	or return;
		1440
		1441	my @paths;
		1442
		1443	for (@$files) {
		1444	utf8::decode $_;
		1445	next if /\.(?:pl|pst)$/;
		1446	next unless /^$PATH_SEP/o;
		1447
		1448	push @paths, cf::map::normalise "~$pl/$_";
		1449	}
		1450
		1451	\@paths
		1452	}
		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
		1504	=item $player->ext_reply ($msgid, @msg)
		1505
		1506	Sends an ext reply to the player.
		1507
		1508	=cut
		1509
		1510	sub ext_reply($$@) {
		1511	my ($self, $id, @msg) = @_;
		1512
		1513	$self->ns->ext_reply ($id, @msg)
		1514	}
		1515
		1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
		1556
		1557	=back
		1558
		1559	=head3 cf::map
		1560
		1561	=over 4
		1562
		1563	=cut
		1564
		1565	package cf::map;
		1566
		1567	use Fcntl;
		1568	use Coro::AIO;
		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
		1574	our $MAX_RESET = 3600;
		1575	our $DEFAULT_RESET = 3000;
		1576
		1577	sub generate_random_map {
		1578	my ($self, $rmp) = @_;
		1579	# mit "rum" bekleckern, nicht
		1580	$self->_create_random_map (
		1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1584	$rmp->{exit_on_final_map},
		1585	$rmp->{xsize}, $rmp->{ysize},
		1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
631	sub register {	1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
632	my ($base, $pkg) = @_;	1617	my ($self, $merge) = @_;
633		1618
634	#TODO	1619	# we have to keep some variables in memory intact
635	}	1620	local $self->{path};
		1621	local $self->{load_path};
636		1622
637	sub load_extension {	1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
638	my ($path) = @_;	1627	my ($path, $base) = @_;
639		1628
640	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1629	$path = "$path"; # make sure its a string
641	my $base = $1;
642	my $pkg = $1;
643	$pkg =~ s/[^[:word:]]/_/g;
644	$pkg = "ext::$pkg";
645		1630
646	warn "loading '$path' into '$pkg'\n";	1631	$path =~ s/\.map$//;
647		1632
648	open my $fh, "<:utf8", $path	1633	# map plan:
649	or die "$path: $!";	1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
650		1641
651	my $source =	1642	$path =~ s/$PATH_SEP/\//go;
652	"package $pkg; use strict; use utf8;\n"
653	. "#line 1 \"$path\"\n{\n"
654	. (do { local $/; <$fh> })
655	. "\n};\n1";
656		1643
657	eval $source	1644	# treat it as relative path if it starts with
658	or die $@ ? "$path: $@\n"	1645	# something that looks reasonable
659	: "extension disabled.\n";	1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
660		1648
661	push @exts, $pkg;	1649	$base =~ s{[^/]+/?$}{};
662	$ext_pkg{$base} = $pkg;	1650	$path = "$base/$path";
663
664	# no strict 'refs';
665	# @{"$pkg\::ISA"} = ext::;
666
667	register $base, $pkg;
668	}
669
670	sub unload_extension {
671	my ($pkg) = @_;
672
673	warn "removing extension $pkg\n";
674
675	# remove hooks
676	#TODO
677	# for my $idx (0 .. $#PLUGIN_EVENT) {
678	# delete $hook[$idx]{$pkg};
679	# }	1651	}
680		1652
681	# remove commands	1653	for ($path) {
682	for my $name (keys %COMMAND) {	1654	redo if s{//}{/};
683	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };	1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
684		1658
685	if (@cb) {	1659	$path
686	$COMMAND{$name} = \@cb;	1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
		1720	}
		1721
		1722	# and all this just because we cannot iterate over
		1723	# all maps in C++...
		1724	sub change_all_map_light {
		1725	my ($change) = @_;
		1726
		1727	$_->change_map_light ($change)
		1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
		1747	sub load_header_from($) {
		1748	my ($self, $path) = @_;
		1749
		1750	utf8::encode $path;
		1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
		1755	or return;
		1756
		1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
687	} else {	1798	} else {
688	delete $COMMAND{$name};	1799	$self->load_header_orig
689	}	1800	or return;
		1801	$self->prepare_orig;
		1802	}
		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
690	}	1810	1
		1811	}
691		1812
692	# remove extcmds	1813	sub find;
693	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {	1814	sub find {
694	delete $EXTCMD{$name};	1815	my ($path, $origin) = @_;
		1816
		1817	$path = normalise $path, $origin && $origin->path;
		1818
		1819	cf::lock_wait "map_find:$path";
		1820
		1821	$cf::MAP{$path} || do {
		1822	my $guard = cf::lock_acquire "map_find:$path";
		1823	my $map = new_from_path cf::map $path
		1824	or return;
		1825
		1826	$map->{last_save} = $cf::RUNTIME;
		1827
		1828	$map->load_header
		1829	or return;
		1830
		1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
		1834	$map->reset;
		1835	undef $guard;
		1836	return find $path;
		1837	}
		1838
		1839	$cf::MAP{$path} = $map
		1840	}
		1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
		1845
		1846	sub load {
		1847	my ($self) = @_;
		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
		1851	my $path = $self->{path};
		1852
695	}	1853	{
		1854	my $guard = cf::lock_acquire "map_load:$path";
696		1855
697	if (my $cb = $pkg->can ("unload")) {	1856	return if $self->in_memory != cf::MAP_SWAPPED;
698	eval {	1857
699	$cb->($pkg);	1858	$self->in_memory (cf::MAP_LOADING);
		1859
		1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
700	1	1876	}
701	} or warn "$pkg unloaded, but with errors: $@";	1877	}
702	}
703		1878
704	Symbol::delete_package $pkg;	1879	Coro::cede;
705	}	1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
		1882	$self->difficulty ($self->estimate_difficulty)
		1883	unless $self->difficulty;
		1884	Coro::cede;
706		1885
707	sub load_extensions {	1886	unless ($self->{deny_activate}) {
708	for my $ext (<$LIBDIR/*.ext>) {	1887	$self->decay_objects;
709	next unless -r $ext;	1888	$self->fix_auto_apply;
710	eval {	1889	$self->update_buttons;
711	load_extension $ext;	1890	Coro::cede;
712	1	1891	$self->set_darkness_map;
713	} or warn "$ext not loaded: $@";	1892	Coro::cede;
714	}	1893	$self->activate;
715	}	1894	}
716		1895
717	#############################################################################	1896	$self->{last_save} = $cf::RUNTIME;
718	# load/save/clean perl data associated with a map	1897	$self->last_access ($cf::RUNTIME);
719		1898
720	*cf::mapsupport::on_clean = sub {	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
		1915	}
		1916
		1917	# find and load all maps in the 3x3 area around a map
		1918	sub load_neighbours {
721	my ($map) = @_;	1919	my ($map) = @_;
722		1920
723	my $path = $map->tmpname;	1921	my @neigh; # diagonal neighbours
724	defined $path or return;
725		1922
726	unlink "$path.pst";	1923	for (0 .. 3) {
727	};	1924	my $neigh = $map->tile_path ($_)
		1925	or next;
		1926	$neigh = find $neigh, $map
		1927	or next;
		1928	$neigh->load;
728		1929
729	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1930	push @neigh,
		1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1933	}
730		1934
731	#############################################################################	1935	for (grep defined $_->[0], @neigh) {
732	# load/save perl data associated with player->ob objects	1936	my ($path, $origin) = @$_;
733		1937	my $neigh = find $path, $origin
734	sub all_objects(@) {	1938	or next;
735	@_, map all_objects ($_->inv), @_	1939	$neigh->load;
		1940	}
736	}	1941	}
737		1942
738	# TODO: compatibility cruft, remove when no longer needed	1943	sub find_sync {
739	cf::player->attach (	1944	my ($path, $origin) = @_;
740	on_load => sub {
741	my ($pl, $path) = @_;
742		1945
743	for my $o (all_objects $pl->ob) {	1946	cf::sync_job { find $path, $origin }
744	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1947	}
745	$o->set_ob_key_value ("_perl_data");
746		1948
747	%$o = %{ Storable::thaw pack "H*", $value };	1949	sub do_load_sync {
		1950	my ($map) = @_;
		1951
		1952	cf::sync_job { $map->load };
		1953	}
		1954
		1955	our %MAP_PREFETCH;
		1956	our $MAP_PREFETCHER = undef;
		1957
		1958	sub find_async {
		1959	my ($path, $origin) = @_;
		1960
		1961	$path = normalise $path, $origin && $origin->{path};
		1962
		1963	if (my $map = $cf::MAP{$path}) {
		1964	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1965	}
		1966
		1967	undef $MAP_PREFETCH{$path};
		1968	$MAP_PREFETCHER ||= cf::async {
		1969	while (%MAP_PREFETCH) {
		1970	for my $path (keys %MAP_PREFETCH) {
		1971	if (my $map = find $path) {
		1972	$map->load;
		1973	}
		1974
		1975	delete $MAP_PREFETCH{$path};
748	}	1976	}
749	}	1977	}
		1978	undef $MAP_PREFETCHER;
		1979	};
		1980	$MAP_PREFETCHER->prio (6);
		1981
		1982	()
		1983	}
		1984
		1985	sub save {
		1986	my ($self) = @_;
		1987
		1988	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1989
		1990	$self->{last_save} = $cf::RUNTIME;
		1991
		1992	return unless $self->dirty;
		1993
		1994	my $save = $self->save_path; utf8::encode $save;
		1995	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1996
		1997	$self->{load_path} = $save;
		1998
		1999	return if $self->{deny_save};
		2000
		2001	local $self->{last_access} = $self->last_access;#d#
		2002
		2003	cf::async {
		2004	$_->contr->save for $self->players;
		2005	};
		2006
		2007	if ($uniq) {
		2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2009	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2010	} else {
		2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
750	},	2012	}
751	);	2013	}
752		2014
753	#############################################################################	2015	sub swap_out {
		2016	my ($self) = @_;
754		2017
755	=head2 CORE EXTENSIONS	2018	# save first because save cedes
		2019	$self->save;
756		2020
757	Functions and methods that extend core crossfire objects.	2021	my $lock = cf::lock_acquire "map_data:" . $self->path;
758		2022
759	=head3 cf::player	2023	return if $self->players;
		2024	return if $self->in_memory != cf::MAP_IN_MEMORY;
		2025	return if $self->{deny_save};
		2026
		2027	$self->clear;
		2028	$self->in_memory (cf::MAP_SWAPPED);
		2029	}
		2030
		2031	sub reset_at {
		2032	my ($self) = @_;
		2033
		2034	# TODO: safety, remove and allow resettable per-player maps
		2035	return 1e99 if $self->{deny_reset};
		2036
		2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2039
		2040	$time + $to
		2041	}
		2042
		2043	sub should_reset {
		2044	my ($self) = @_;
		2045
		2046	$self->reset_at <= $cf::RUNTIME
		2047	}
		2048
		2049	sub reset {
		2050	my ($self) = @_;
		2051
		2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2053
		2054	return if $self->players;
		2055
		2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
		2067
		2068	delete $cf::MAP{$self->path};
		2069
		2070	$self->clear;
		2071
		2072	$_->clear_links_to ($self) for values %cf::MAP;
		2073
		2074	$self->unlink_save;
		2075	$self->destroy;
		2076	}
		2077
		2078	my $nuke_counter = "aaaa";
		2079
		2080	sub nuke {
		2081	my ($self) = @_;
		2082
		2083	delete $cf::MAP{$self->path};
		2084
		2085	$self->unlink_save;
		2086
		2087	bless $self, "cf::map";
		2088	delete $self->{deny_reset};
		2089	$self->{deny_save} = 1;
		2090	$self->reset_timeout (1);
		2091	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2092
		2093	$cf::MAP{$self->path} = $self;
		2094
		2095	$self->reset; # polite request, might not happen
		2096	}
		2097
		2098	=item $maps = cf::map::tmp_maps
		2099
		2100	Returns an arrayref with all map paths of currently instantiated and saved
		2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
		2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
		2115
		2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item cf::map::unique_maps
		2135
		2136	Returns an arrayref of paths of all shared maps that have
		2137	instantiated unique items. May block.
		2138
		2139	=cut
		2140
		2141	sub unique_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise $_
		2147	: ()
		2148	} @{ aio_readdir $UNIQUEDIR or [] }
		2149	]
		2150	}
		2151
		2152	package cf;
		2153
		2154	=back
		2155
		2156	=head3 cf::object
		2157
		2158	=cut
		2159
		2160	package cf::object;
760		2161
761	=over 4	2162	=over 4
762		2163
763	=item cf::player::exists $login	2164	=item $ob->inv_recursive
764		2165
765	Returns true when the given account exists.	2166	Returns the inventory of the object _and_ their inventories, recursively.
766		2167
767	=cut	2168	=cut
768		2169
769	sub cf::player::exists($) {	2170	sub inv_recursive_;
770	cf::player::find $_[0]	2171	sub inv_recursive_ {
771	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	2172	map { $_, inv_recursive_ $_->inv } @_
772	}	2173	}
773		2174
774	=item $player->ext_reply ($msgid, $msgtype, %msg)	2175	sub inv_recursive {
775		2176	inv_recursive_ inv $_[0]
776	Sends an ext reply to the player.
777
778	=cut
779
780	sub cf::player::ext_reply($$$%) {
781	my ($self, $id, %msg) = @_;
782
783	$msg{msgid} = $id;
784
785	$self->send ("ext " . to_json \%msg);
786	}	2177	}
		2178
		2179	package cf;
787		2180
788	=back	2181	=back
789		2182
790	=head3 cf::object::player	2183	=head3 cf::object::player
791		2184
…		…
807		2200
808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
809		2202
810	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
812	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
813	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
814	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
815	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
816	}	2228	}
817		2229
818	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
819		2231
820	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
829	(ref $cf::CFG{"may_$access"}	2241	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2242	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	2243	: $cf::CFG{"may_$access"})
832	}	2244	}
833		2245
		2246	=item $player_object->enter_link
		2247
		2248	Freezes the player and moves him/her to a special map (C<{link}>).
		2249
		2250	The player should be reasonably safe there for short amounts of time. You
		2251	I<MUST> call C<leave_link> as soon as possible, though.
		2252
		2253	Will never block.
		2254
		2255	=item $player_object->leave_link ($map, $x, $y)
		2256
		2257	Moves the player out of the special C<{link}> map onto the specified
		2258	map. If the map is not valid (or omitted), the player will be moved back
		2259	to the location he/she was before the call to C<enter_link>, or, if that
		2260	fails, to the emergency map position.
		2261
		2262	Might block.
		2263
		2264	=cut
		2265
		2266	sub link_map {
		2267	unless ($LINK_MAP) {
		2268	$LINK_MAP = cf::map::find "{link}"
		2269	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2270	$LINK_MAP->load;
		2271	}
		2272
		2273	$LINK_MAP
		2274	}
		2275
		2276	sub cf::object::player::enter_link {
		2277	my ($self) = @_;
		2278
		2279	$self->deactivate_recursive;
		2280
		2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2282
		2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2284	if $self->map && $self->map->{path} ne "{link}";
		2285
		2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		2287	}
		2288
		2289	sub cf::object::player::leave_link {
		2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
		2293
		2294	my $link_pos = delete $self->{_link_pos};
		2295
		2296	unless ($map) {
		2297	# restore original map position
		2298	($map, $x, $y) = @{ $link_pos || [] };
		2299	$map = cf::map::find $map;
		2300
		2301	unless ($map) {
		2302	($map, $x, $y) = @$EMERGENCY_POSITION;
		2303	$map = cf::map::find $map
		2304	or die "FATAL: cannot load emergency map\n";
		2305	}
		2306	}
		2307
		2308	($x, $y) = (-1, -1)
		2309	unless (defined $x) && (defined $y);
		2310
		2311	# use -1 or undef as default coordinates, not 0, 0
		2312	($x, $y) = ($map->enter_x, $map->enter_y)
		2313	if $x <=0 && $y <= 0;
		2314
		2315	$map->load;
		2316	$map->load_neighbours;
		2317
		2318	return unless $self->contr->active;
		2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2322	$self->enter_map ($map, $x, $y);
		2323	}
		2324
		2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
		2326
		2327	Moves the player to the given map-path and coordinates by first freezing
		2328	her, loading and preparing them map, calling the provided $check callback
		2329	that has to return the map if sucecssful, and then unfreezes the player on
		2330	the new (success) or old (failed) map position. In either case, $done will
		2331	be called at the end of this process.
		2332
		2333	=cut
		2334
		2335	our $GOTOGEN;
		2336
		2337	sub cf::object::player::goto {
		2338	my ($self, $path, $x, $y, $check, $done) = @_;
		2339
		2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		2342
		2343	$self->enter_link;
		2344
		2345	(async {
		2346	my $map = eval {
		2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
		2350	$map = $map->customise_for ($self);
		2351	$map = $check->($map) if $check && $map;
		2352	} else {
		2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
		2355
		2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
		2362	}
		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
		2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
		2370	})->prio (1);
		2371	}
		2372
		2373	=item $player_object->enter_exit ($exit_object)
		2374
		2375	=cut
		2376
		2377	sub parse_random_map_params {
		2378	my ($spec) = @_;
		2379
		2380	my $rmp = { # defaults
		2381	xsize => (cf::rndm 15, 40),
		2382	ysize => (cf::rndm 15, 40),
		2383	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2384	#layout => string,
		2385	};
		2386
		2387	for (split /\n/, $spec) {
		2388	my ($k, $v) = split /\s+/, $_, 2;
		2389
		2390	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2391	}
		2392
		2393	$rmp
		2394	}
		2395
		2396	sub prepare_random_map {
		2397	my ($exit) = @_;
		2398
		2399	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2400
		2401	# all this does is basically replace the /! path by
		2402	# a new random map path (?random/...) with a seed
		2403	# that depends on the exit object
		2404
		2405	my $rmp = parse_random_map_params $exit->msg;
		2406
		2407	if ($exit->map) {
		2408	$rmp->{region} = $exit->region->name;
		2409	$rmp->{origin_map} = $exit->map->path;
		2410	$rmp->{origin_x} = $exit->x;
		2411	$rmp->{origin_y} = $exit->y;
		2412	}
		2413
		2414	$rmp->{random_seed} ||= $exit->random_seed;
		2415
		2416	my $data = cf::to_json $rmp;
		2417	my $md5 = Digest::MD5::md5_hex $data;
		2418	my $meta = "$RANDOMDIR/$md5.meta";
		2419
		2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2421	aio_write $fh, 0, (length $data), $data, 0;
		2422	undef $fh;
		2423	aio_rename "$meta~", $meta;
		2424
		2425	$exit->slaying ("?random/$md5");
		2426	$exit->msg (undef);
		2427	}
		2428	}
		2429
		2430	sub cf::object::player::enter_exit {
		2431	my ($self, $exit) = @_;
		2432
		2433	return unless $self->type == cf::PLAYER;
		2434
		2435	if ($exit->slaying eq "/!") {
		2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
		2439	cf::sync_job { prepare_random_map $exit };
		2440	}
		2441
		2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2443	my $hp = $exit->stats->hp;
		2444	my $sp = $exit->stats->sp;
		2445
		2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
		2451
		2452	(async {
		2453	$self->deactivate_recursive; # just to be sure
		2454	unless (eval {
		2455	$self->goto ($slaying, $hp, $sp);
		2456
		2457	1;
		2458	}) {
		2459	$self->message ("Something went wrong deep within the crossfire server. "
		2460	. "I'll try to bring you back to the map you were before. "
		2461	. "Please report this to the dungeon master!",
		2462	cf::NDI_UNIQUE | cf::NDI_RED);
		2463
		2464	warn "ERROR in enter_exit: $@";
		2465	$self->leave_link;
		2466	}
		2467	})->prio (1);
		2468	}
		2469
834	=head3 cf::client	2470	=head3 cf::client
835		2471
836	=over 4	2472	=over 4
837		2473
838	=item $client->send_drawinfo ($text, $flags)	2474	=item $client->send_drawinfo ($text, $flags)
…		…
844		2480
845	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
846	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
847		2483
848	utf8::encode $text;	2484	utf8::encode $text;
849	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
850	}	2486	}
851		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
852		2586
853	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
854		2588
855	Queues a query to the client, calling the given callback with	2589	Queues a query to the client, calling the given callback with
856	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2590	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
857	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
858		2592
859	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
860	reliable at some point in the future.	2594	become reliable at some point in the future.
861		2595
862	=cut	2596	=cut
863		2597
864	sub cf::client::query {	2598	sub cf::client::query {
865	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
873	utf8::encode $text;	2607	utf8::encode $text;
874	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
875		2609
876	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
877	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
878	}	2614	}
879		2615
880	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
881	on_reply => sub {	2622	on_reply => sub {
882	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
883		2624
884	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
885	# get handled first	2626	# get handled first
886	my $queue = delete $ns->{query_queue};	2627	my $queue = delete $ns->{query_queue}
		2628	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		2629
888	(shift @$queue)->[1]->($msg);	2630	(shift @$queue)->[1]->($msg);
		2631	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
889		2632
890	push @{ $ns->{query_queue} }, @$queue;	2633	push @{ $ns->{query_queue} }, @$queue;
891		2634
892	if (@{ $ns->{query_queue} } == @$queue) {	2635	if (@{ $ns->{query_queue} } == @$queue) {
893	if (@$queue) {	2636	if (@$queue) {
…		…
895	} else {	2638	} else {
896	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
897	}	2640	}
898	}	2641	}
899	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
900	);	2669	);
901		2670
902	=item $client->coro (\&cb)	2671	=item $client->async (\&cb)
903		2672
904	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
905	be automatically cancelled when the client gets destroyed (e.g. on logout,	2674	be automatically cancelled when the client gets destroyed (e.g. on logout,
906	or loss of connection).	2675	or loss of connection).
907		2676
908	=cut	2677	=cut
909		2678
910	sub cf::client::coro {	2679	sub cf::client::async {
911	my ($self, $cb) = @_;	2680	my ($self, $cb) = @_;
912		2681
913	my $coro; $coro = async {	2682	my $coro = &Coro::async ($cb);
914	eval {	2683
915	$cb->();	2684	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	2685	delete $self->{_coro}{$coro+0};
919	};	2686	});
920		2687
921	$self->{_coro}{$coro+0} = $coro;	2688	$self->{_coro}{$coro+0} = $coro;
		2689
		2690	$coro
922	}	2691	}
923		2692
924	cf::client->attach (	2693	cf::client->attach (
925	on_destroy => sub {	2694	on_destroy => sub {
926	my ($ns) = @_;	2695	my ($ns) = @_;
…		…
945	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
946	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
947		2716
948	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
949		2718
950	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
951		2724
952	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
953		2726
954	=pod	2727	=pod
955		2728
956	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
957		2730
958	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
959	cf::object::player player	2735	cf::object::player
960	cf::player peaceful	2736	player
961	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
962		2743
963	=cut	2744	=cut
964		2745
965	for (	2746	for (
966	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
967	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
968	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
969	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
970	) {	2752	) {
971	no strict 'refs';	2753	no strict 'refs';
…		…
1042	=back	2824	=back
1043		2825
1044	=cut	2826	=cut
1045		2827
1046	#############################################################################	2828	#############################################################################
		2829	# the server's init and main functions
1047		2830
1048	=head2 EXTENSION DATABASE SUPPORT	2831	sub load_facedata($) {
		2832	my ($path) = @_;
1049		2833
1050	Crossfire maintains a very simple database for extension use. It can	2834	my $enc = JSON::XS->new->utf8->canonical;
1051	currently store anything that can be serialised using Storable, which
1052	excludes objects.
1053		2835
1054	The parameter C<$family> should best start with the name of the extension	2836	warn "loading facedata from $path\n";
1055	using it, it should be unique.
1056		2837
1057	=over 4	2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
1058		2841
1059	=item $hashref = cf::db_get $family	2842	$facedata = Coro::Storable::thaw $facedata;
1060		2843
1061	Return a hashref for use by the extension C<$family>, which can be	2844	$facedata->{version} == 2
1062	modified. After modifications, you have to call C<cf::db_dirty> or	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
1063	C<cf::db_sync>.
1064		2846
1065	=item $value = cf::db_get $family => $key	2847	# patch in the exptable
1066		2848	$facedata->{resource}{"res/exp_table"} = {
1067	Returns a single value from the database	2849	type => FT_RSRC,
1068		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1069	=item cf::db_put $family => $hashref
1070
1071	Stores the given family hashref into the database. Updates are delayed, if
1072	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1073
1074	=item cf::db_put $family => $key => $value
1075
1076	Stores the given C<$value> in the family hash. Updates are delayed, if you
1077	want the data to be synced to disk immediately, use C<cf::db_sync>.
1078
1079	=item cf::db_dirty
1080
1081	Marks the database as dirty, to be updated at a later time.
1082
1083	=item cf::db_sync
1084
1085	Immediately write the database to disk I<if it is dirty>.
1086
1087	=cut
1088
1089	our $DB;
1090
1091	{
1092	my $path = cf::localdir . "/database.pst";
1093
1094	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };
1097	}
1098
1099	my $pid;
1100
1101	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;
1108	cf::_exit 0 if defined $pid;
1109	}
1110	}
1111
1112	my $dirty;
1113
1114	sub db_sync() {
1115	db_save if $dirty;
1116	undef $dirty;
1117	}
1118
1119	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1120	db_sync;
1121	});	2851	};
		2852	cf::cede_to_tick;
1122		2853
1123	sub db_dirty() {
1124	$dirty = 1;
1125	$idle->start;
1126	}	2854	{
		2855	my $faces = $facedata->{faceinfo};
1127		2856
1128	sub db_get($;$) {	2857	while (my ($face, $info) = each %$faces) {
1129	@_ >= 2	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1130	? $DB->{$_[0]}{$_[1]}	2859	cf::face::set_visibility $idx, $info->{visibility};
1131	: ($DB->{$_[0]} ||= { })	2860	cf::face::set_magicmap $idx, $info->{magicmap};
1132	}	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1133		2863
1134	sub db_put($$;$) {	2864	cf::cede_to_tick;
1135	if (@_ >= 3) {
1136	$DB->{$_[0]}{$_[1]} = $_[2];
1137	} else {
1138	$DB->{$_[0]} = $_[1];
1139	}
1140	db_dirty;
1141	}
1142
1143	cf::global->attach (
1144	prio => 10000,
1145	on_cleanup => sub {
1146	db_sync;
1147	},	2865	}
1148	);
1149	}
1150		2866
1151	#############################################################################	2867	while (my ($face, $info) = each %$faces) {
1152	# the server's main()	2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
		2997	}
1153		2998
1154	sub cfg_load {	2999	sub cfg_load {
1155	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
1156	or return;	3001	or return;
1157		3002
1158	local $/;	3003	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
		3005
		3006	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3007
		3008	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3009	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3010
		3011	if (exists $CFG{mlockall}) {
		3012	eval {
		3013	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3014	and die "WARNING: m(un)lockall failed: $!\n";
		3015	};
		3016	warn $@ if $@;
		3017	}
1160	}	3018	}
1161		3019
1162	sub main {	3020	sub main {
		3021	# we must not ever block the main coroutine
		3022	local $Coro::idle = sub {
		3023	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3024	(async {
		3025	Event::one_event;
		3026	})->prio (Coro::PRIO_MAX);
		3027	};
		3028
1163	cfg_load;	3029	cfg_load;
1164	db_load;	3030	db_init;
1165	load_extensions;	3031	load_extensions;
		3032
		3033	$TICK_WATCHER->start;
1166	Event::loop;	3034	Event::loop;
1167	}	3035	}
1168		3036
1169	#############################################################################	3037	#############################################################################
1170	# initialisation	3038	# initialisation and cleanup
1171		3039
1172	sub _perl_reload(&) {	3040	# install some emergency cleanup handlers
		3041	BEGIN {
		3042	for my $signal (qw(INT HUP TERM)) {
		3043	Event->signal (
		3044	reentrant => 0,
		3045	data => WF_AUTOCANCEL,
		3046	signal => $signal,
		3047	prio => 0,
		3048	cb => sub {
		3049	cf::cleanup "SIG$signal";
		3050	},
		3051	);
		3052	}
		3053	}
		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
		3093	sub emergency_save() {
		3094	my $freeze_guard = cf::freeze_mainloop;
		3095
		3096	warn "enter emergency perl save\n";
		3097
		3098	cf::sync_job {
		3099	# use a peculiar iteration method to avoid tripping on perl
		3100	# refcount bugs in for. also avoids problems with players
		3101	# and maps saved/destroyed asynchronously.
		3102	warn "begin emergency player save\n";
		3103	for my $login (keys %cf::PLAYER) {
		3104	my $pl = $cf::PLAYER{$login} or next;
		3105	$pl->valid or next;
		3106	$pl->save;
		3107	}
		3108	warn "end emergency player save\n";
		3109
		3110	warn "begin emergency map save\n";
		3111	for my $path (keys %cf::MAP) {
		3112	my $map = $cf::MAP{$path} or next;
		3113	$map->valid or next;
		3114	$map->save;
		3115	}
		3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
		3121	};
		3122
		3123	warn "leave emergency perl save\n";
		3124	}
		3125
		3126	sub post_cleanup {
1173	my ($msg) = @_;	3127	my ($make_core) = @_;
1174		3128
1175	$msg->("reloading...");	3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
1176		3132
1177	eval {	3133	sub do_reload_perl() {
1178	# cancel all watchers	3134	# can/must only be called in main
		3135	if ($Coro::current != $Coro::main) {
		3136	warn "can only reload from main coroutine";
		3137	return;
		3138	}
		3139
		3140	warn "reloading...";
		3141
		3142	warn "entering sync_job";
		3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
		3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
		3148
		3149	warn "syncing database to disk";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151
		3152	# if anything goes wrong in here, we should simply crash as we already saved
		3153
		3154	warn "cancelling all WF_AUTOCANCEL watchers";
1179	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	3157	}
1182		3158
1183	# unload all extensions	3159	warn "flushing outstanding aio requests";
1184	for (@exts) {	3160	for (;;) {
1185	$msg->("unloading <$_>");	3161	BDB::flush;
1186	unload_extension $_;	3162	IO::AIO::flush;
		3163	Coro::cede;
		3164	last unless IO::AIO::nreqs || BDB::nreqs;
		3165	warn "iterate...";
		3166	}
		3167
		3168	++$RELOAD;
		3169
		3170	warn "cancelling all extension coros";
		3171	$_->cancel for values %EXT_CORO;
		3172	%EXT_CORO = ();
		3173
		3174	warn "removing commands";
		3175	%COMMAND = ();
		3176
		3177	warn "removing ext/exti commands";
		3178	%EXTCMD = ();
		3179	%EXTICMD = ();
		3180
		3181	warn "unloading/nuking all extensions";
		3182	for my $pkg (@EXTS) {
		3183	warn "... unloading $pkg";
		3184
		3185	if (my $cb = $pkg->can ("unload")) {
		3186	eval {
		3187	$cb->($pkg);
		3188	1
		3189	} or warn "$pkg unloaded, but with errors: $@";
1187	}	3190	}
1188		3191
		3192	warn "... nuking $pkg";
		3193	Symbol::delete_package $pkg;
		3194	}
		3195
1189	# unload all modules loaded from $LIBDIR	3196	warn "unloading all perl modules loaded from $LIBDIR";
1190	while (my ($k, $v) = each %INC) {	3197	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3198	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		3199
1193	$msg->("removing <$k>");	3200	warn "... unloading $k";
1194	delete $INC{$k};	3201	delete $INC{$k};
1195		3202
1196	$k =~ s/\.pm$//;	3203	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	3204	$k =~ s/\//::/g;
1198		3205
…		…
1201	}	3208	}
1202		3209
1203	Symbol::delete_package $k;	3210	Symbol::delete_package $k;
1204	}	3211	}
1205		3212
1206	# sync database to disk
1207	cf::db_sync;
1208
1209	# get rid of safe::, as good as possible	3213	warn "getting rid of safe::, as good as possible";
1210	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		3216
1213	# remove register_script_function callbacks
1214	# TODO
1215
1216	# unload cf.pm "a bit"	3217	warn "unloading cf.pm \"a bit\"";
1217	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
1218		3220
1219	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
1220	# and global variables created in xs	3222	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
1222		3224
1223	# reload cf.pm	3225	warn "unload completed, starting to reload now";
		3226
1224	$msg->("reloading cf.pm");	3227	warn "reloading cf.pm";
1225	require cf;	3228	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227		3230
1228	# load config and database again	3231	warn "loading config and database again";
1229	cf::cfg_load;	3232	cf::cfg_load;
1230	cf::db_load;
1231		3233
1232	# load extensions	3234	warn "loading extensions";
1233	$msg->("load extensions");
1234	cf::load_extensions;	3235	cf::load_extensions;
1235		3236
1236	# reattach attachments to objects	3237	warn "reattaching attachments to objects/players";
1237	$msg->("reattach");	3238	_global_reattach; # objects, sockets
1238	_global_reattach;	3239	warn "reattaching attachments to maps";
		3240	reattach $_ for values %MAP;
		3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
		3243
		3244	warn "leaving sync_job";
		3245
		3246	1
		3247	} or do {
		3248	warn $@;
		3249	warn "error while reloading, exiting.";
		3250	exit 1;
1239	};	3251	};
1240	$msg->($@) if $@;
1241		3252
1242	$msg->("reloaded");	3253	warn "reloaded";
1243	};	3254	};
1244		3255
1245	sub perl_reload() {	3256	our $RELOAD_WATCHER; # used only during reload
1246	_perl_reload {	3257
1247	warn $_[0];	3258	sub reload_perl() {
1248	print "$_[0]\n";	3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
		3261
		3262	$RELOAD_WATCHER ||= Event->timer (
		3263	reentrant => 0,
		3264	after => 0,
		3265	data => WF_AUTOCANCEL,
		3266	cb => sub {
		3267	do_reload_perl;
		3268	undef $RELOAD_WATCHER;
		3269	},
1249	};	3270	);
1250	}	3271	}
1251		3272
1252	register "<global>", __PACKAGE__;
1253
1254	register_command "perl-reload" => sub {	3273	register_command "reload" => sub {
1255	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
1256		3275
1257	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
1258	_perl_reload {	3277	$who->message ("reloading server.");
1259	warn $_[0];	3278	async { reload_perl };
1260	$who->message ($_[0]);	3279	}
		3280	};
		3281
		3282	unshift @INC, $LIBDIR;
		3283
		3284	my $bug_warning = 0;
		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
		3309	$TICK_WATCHER = Event->timer (
		3310	reentrant => 0,
		3311	parked => 1,
		3312	prio => 0,
		3313	at => $NEXT_TICK || $TICK,
		3314	data => WF_AUTOCANCEL,
		3315	cb => sub {
		3316	if ($Coro::current != $Coro::main) {
		3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3318	unless ++$bug_warning > 10;
		3319	return;
		3320	}
		3321
		3322	$NOW = $tick_start = Event::time;
		3323
		3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1261	};	3347	};
1262	}
1263	};
1264		3348
1265	unshift @INC, $LIBDIR;	3349	$RUNTIME += $TICK;
1266
1267	$TICK_WATCHER = Event->timer (
1268	prio => 0,
1269	at => $NEXT_TICK || 1,
1270	data => WF_AUTOCANCEL,
1271	cb => sub {
1272	cf::server_tick; # one server iteration
1273
1274	my $NOW = Event::time;
1275	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
		3351
		3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3354	Coro::async_pool {
		3355	write_runtime
		3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
		3358	}
		3359
		3360	# my $AFTER = Event::time;
		3361	# warn $AFTER - $NOW;#d#
		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
1276		3371
1277	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
1278	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1279		3374
1280	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
1281	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
1282	},	3384	},
1283	);	3385	);
1284		3386
		3387	{
		3388	BDB::max_poll_time $TICK * 0.1;
		3389	$BDB_POLL_WATCHER = Event->io (
		3390	reentrant => 0,
		3391	fd => BDB::poll_fileno,
		3392	poll => 'r',
		3393	prio => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => \&BDB::poll_cb,
		3396	);
		3397	BDB::min_parallel 8;
		3398
		3399	BDB::set_sync_prepare {
		3400	my $status;
		3401	my $current = $Coro::current;
		3402	(
		3403	sub {
		3404	$status = $!;
		3405	$current->ready; undef $current;
		3406	},
		3407	sub {
		3408	Coro::schedule while defined $current;
		3409	$! = $status;
		3410	},
		3411	)
		3412	};
		3413
		3414	unless ($DB_ENV) {
		3415	$DB_ENV = BDB::db_env_create;
		3416
		3417	cf::sync_job {
		3418	eval {
		3419	BDB::db_env_open
		3420	$DB_ENV,
		3421	$BDBDIR,
		3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3424	0666;
		3425
		3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3427
		3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
		3433	};
		3434	}
		3435	}
		3436
		3437	{
		3438	IO::AIO::min_parallel 8;
		3439
		3440	undef $Coro::AIO::WATCHER;
1285	IO::AIO::max_poll_time $TICK * 0.2;	3441	IO::AIO::max_poll_time $TICK * 0.1;
1286		3442	$AIO_POLL_WATCHER = Event->io (
1287	Event->io (fd => IO::AIO::poll_fileno,	3443	reentrant => 0,
1288	poll => 'r',
1289	prio => 5,
1290	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
		3445	fd => IO::AIO::poll_fileno,
		3446	poll => 'r',
		3447	prio => 6,
1291	cb => \&IO::AIO::poll_cb);	3448	cb => \&IO::AIO::poll_cb,
		3449	);
		3450	}
		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
		3492
		3493	END { cf::emergency_save }
1292		3494
1293	1	3495	1
1294		3496

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines