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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.103 by root, Sat Dec 30 10:16:11 2006 UTC vs.
Revision 1.333 by root, Sun Aug 19 09:14:50 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 3.3;	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 (2); # run main coroutine ("the server") with very high priority	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;
42	our $NOW;	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;
43		86
44	our %CFG;	87	our %CFG;
45		88
46	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
47	our $RUNTIME;	90	our $RUNTIME;
48		91
		92	our %PLAYER; # all users
49	our %MAP; # all maps	93	our %MAP; # all maps
50	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
51	our $FREEZE;	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 $tick_start; # for load detecting purposes
52		102
53	binmode STDOUT;	103	binmode STDOUT;
54	binmode STDERR;	104	binmode STDERR;
55		105
56	# read virtual server time, if available	106	# read virtual server time, if available
57	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
58	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
59	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
60	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
61	}	111	}
62		112
63	mkdir cf::localdir;	113	mkdir $_
64	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
65	mkdir cf::localdir . "/" . cf::tmpdir;
66	mkdir cf::localdir . "/" . cf::uniquedir;
67		115
68	our %EXT_CORO;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
69		119
70	#############################################################################	120	#############################################################################
71		121
72	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
73		123
…		…
80	=item $cf::RUNTIME	130	=item $cf::RUNTIME
81		131
82	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
83	every server tick.	133	every server tick.
84		134
85	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
86		138
87	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
88	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
89		143
90	=item $cf::NOW	144	=item $cf::NOW
91		145
92	The time of the last (current) server tick.	146	The time of the last (current) server tick.
93		147
94	=item $cf::TICK	148	=item $cf::TICK
95		149
96	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.
97		161
98	=item %cf::CFG	162	=item %cf::CFG
99		163
100	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
101	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.
102		178
103	=back	179	=back
104		180
105	=cut	181	=cut
106		182
107	BEGIN {	183	BEGIN {
108	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
109	my $msg = join "", @_;	185	my $msg = join "", @_;
110	utf8::encode $msg;
111		186
112	$msg .= "\n"	187	$msg .= "\n"
113	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
114		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
115	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
116	};	194	};
117	}	195	}
118		196
119	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
120	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
121	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
122	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
123	@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';
124	@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)
125		204
126	# 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
127	# within the Safe compartment.	206	# within the Safe compartment.
128	for my $pkg (qw(	207	for my $pkg (qw(
129	cf::global cf::attachable	208	cf::global cf::attachable
…		…
138		217
139	$Event::DIED = sub {	218	$Event::DIED = sub {
140	warn "error in event callback: @_";	219	warn "error in event callback: @_";
141	};	220	};
142		221
143	my %ext_pkg;	222	#############################################################################
144	my @exts;
145	my @hook;
146		223
147	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
148		225
149	=over 4	226	=over 4
150		227
151	=cut	228	=item dumpval $ref
152		229
153	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	}
154		250
155	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
156		252
157	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
158		254
159	=cut
160
161	sub from_json($) {
162	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
163	JSON::Syck::Load $_[0]
164	}
165
166	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
167		256
168	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
169		258
170	=cut	259	=cut
171		260
172	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
173	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
174	JSON::Syck::Dump $_[0]
175	}
176		262
		263	sub to_json ($) { $json_coder->encode ($_[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
177	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
178		450
179	Creates and returns a new coro. This coro is automcatially being canceled	451	Like async, but this coro is automatically being canceled when the
180	when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
181		453
182	=cut	454	=cut
183		455
184	sub coro(&) {	456	sub async_ext(&) {
185	my $cb = shift;	457	my $cb = shift;
186		458
187	my $coro; $coro = async {	459	my $coro = &Coro::async ($cb);
188	eval {
189	$cb->();
190	};
191	warn $@ if $@;
192	};
193		460
194	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
195	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
196	});	463	});
197	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
198		465
199	$coro	466	$coro
200	}	467	}
201		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 });
		618	}
		619
202	=back	620	=back
203		621
204	=cut	622	=cut
205		623
206	#############################################################################	624	#############################################################################
…		…
211	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")
212	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
213		631
214	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>
215	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
216	crossfire+).	634	Crossfire TRT).
217		635
218	=over 4	636	=over 4
219		637
220	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
221		639
…		…
335	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
336	our @CB_MAP = ();	754	our @CB_MAP = ();
337		755
338	my %attachment;	756	my %attachment;
339		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
340	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
341	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
342		766
343	use sort 'stable';	767	use sort 'stable';
344		768
…		…
378	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
379		803
380	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
381	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
382	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
383	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
384		808
385	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
386	my $pkg = shift @arg;	810	my $pkg = shift @arg;
387		811
388	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
417	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
418	}	842	}
419		843
420	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
421	} else {	845	} else {
422	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
423	}	847	}
424		848
425	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
426	}	850	}
427		851
…		…
429	if (ref $_[0]) {	853	if (ref $_[0]) {
430	_object_attach @_;	854	_object_attach @_;
431	} else {	855	} else {
432	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
433	}	857	}
		858	_recalc_want;
434	};	859	};
435		860
436	# all those should be optimised	861	# all those should be optimised
437	sub cf::attachable::detach {	862	sub cf::attachable::detach {
438	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
441	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
442	reattach ($obj);	867	reattach ($obj);
443	} else {	868	} else {
444	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
445	}	870	}
		871	_recalc_want;
446	};	872	};
447		873
448	sub cf::attachable::attached {	874	sub cf::attachable::attached {
449	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
450		876
…		…
465	";	891	";
466	die if $@;	892	die if $@;
467	}	893	}
468		894
469	our $override;	895	our $override;
470	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?
471		897
472	sub override {	898	sub override {
473	$override = 1;	899	$override = 1;
474	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
475	}	901	}
476		902
477	sub do_invoke {	903	sub do_invoke {
478	my $event = shift;	904	my $event = shift;
479	my $callbacks = shift;	905	my $callbacks = shift;
480		906
481	@invoke_results = ();	907	@INVOKE_RESULTS = ();
482		908
483	local $override;	909	local $override;
484		910
485	for (@$callbacks) {	911	for (@$callbacks) {
486	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
503		929
504	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
505		931
506	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
507	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
508	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
509		935
510	=back	936	=back
511		937
512	=cut	938	=cut
513		939
514	#############################################################################	940	#############################################################################
515	# 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	}
516		953
517	sub reattach {	954	sub reattach {
518	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
519	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
520		959
521	my $registry = $obj->registry;	960	my $registry = $obj->registry;
522		961
523	@$registry = ();	962	@$registry = ();
524		963
…		…
563	);	1002	);
564		1003
565	sub object_freezer_save {	1004	sub object_freezer_save {
566	my ($filename, $rdata, $objs) = @_;	1005	my ($filename, $rdata, $objs) = @_;
567		1006
		1007	sync_job {
568	if (length $$rdata) {	1008	if (length $$rdata) {
569	warn sprintf "saving %s (%d,%d)\n",	1009	warn sprintf "saving %s (%d,%d)\n",
570	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
571		1011
572	if (open my $fh, ">:raw", "$filename~") {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
573	chmod SAVE_MODE, $fh;
574	syswrite $fh, $$rdata;
575	close $fh;
576
577	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
578	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
579	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;
580	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 $fh;
581	rename "$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~", $filename;
582	} else {	1032	} else {
583	unlink "$filename.pst";	1033	warn "FATAL: $filename~: $!\n";
584	}	1034	}
585
586	rename "$filename~", $filename;
587	} else {	1035	} else {
588	warn "FATAL: $filename~: $!\n";
589	}
590	} else {
591	unlink $filename;	1036	aio_unlink $filename;
592	unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
		1038	}
593	}	1039	}
594	}	1040	}
595		1041
596	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
597	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
602	}	1048	}
603		1049
604	sub object_thawer_load {	1050	sub object_thawer_load {
605	my ($filename) = @_;	1051	my ($filename) = @_;
606		1052
607	local $/;	1053	my ($data, $av);
608		1054
609	my $av;	1055	(aio_load $filename, $data) >= 0
		1056	or return;
610		1057
611	#TODO: use sysread etc.	1058	unless (aio_stat "$filename.pst") {
612	if (open my $data, "<:raw:perlio", $filename) {	1059	(aio_load "$filename.pst", $av) >= 0
613	$data = <$data>;	1060	or return;
614	if (open my $pst, "<:raw:perlio", "$filename.pst") {
615	$av = eval { (Storable::thaw <$pst>)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
616	}	1062	}
		1063
		1064	warn sprintf "loading %s (%d)\n",
		1065	$filename, length $data, scalar @{$av || []};
617	return ($data, $av);	1066	return ($data, $av);
618	}
619
620	()
621	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
622		1074
623	#############################################################################	1075	#############################################################################
624	# command handling &c	1076	# command handling &c
625		1077
626	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
639	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
640	}	1092	}
641		1093
642	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
643		1095
644	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.
645		1101
646	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
647	called.	1103	called.
648		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
649	=cut	1116	=cut
650		1117
651	sub register_extcmd {	1118	sub register_extcmd {
652	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
653		1120
654	my $caller = caller;
655	#warn "registering extcmd '$name' to '$caller'";
656
657	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
658	}	1128	}
659		1129
660	cf::player->attach (	1130	cf::player->attach (
661	on_command => sub {	1131	on_command => sub {
662	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
671	cf::override;	1141	cf::override;
672	},	1142	},
673	on_extcmd => sub {	1143	on_extcmd => sub {
674	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
675		1145
676	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
677		1147
678	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
679	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
680	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
681	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
682	}	1158	if $reply;
683	}	1159	}
684	} else {	1160	} else {
685	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
686	}	1162	}
687		1163
688	cf::override;	1164	cf::override;
689	},	1165	},
690	);	1166	);
691		1167
		1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
		1172	for my $path (<$LIBDIR/*.ext>) {
		1173	next unless -r $path;
		1174
		1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
		1232	}
		1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
		1238	};
		1239	}
		1240
		1241	#############################################################################
		1242
		1243	=back
		1244
		1245	=head2 CORE EXTENSIONS
		1246
		1247	Functions and methods that extend core crossfire objects.
		1248
		1249	=cut
		1250
		1251	package cf::player;
		1252
		1253	use Coro::AIO;
		1254
		1255	=head3 cf::player
		1256
		1257	=over 4
		1258
		1259	=item cf::player::find $login
		1260
		1261	Returns the given player object, loading it if necessary (might block).
		1262
		1263	=cut
		1264
		1265	sub playerdir($) {
		1266	"$PLAYERDIR/"
		1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1268	}
		1269
		1270	sub path($) {
		1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1272
		1273	(playerdir $login) . "/playerdata"
		1274	}
		1275
		1276	sub find_active($) {
		1277	$cf::PLAYER{$_[0]}
		1278	and $cf::PLAYER{$_[0]}->active
		1279	and $cf::PLAYER{$_[0]}
		1280	}
		1281
		1282	sub exists($) {
		1283	my ($login) = @_;
		1284
		1285	$cf::PLAYER{$login}
		1286	or cf::sync_job { !aio_stat path $login }
		1287	}
		1288
		1289	sub find($) {
		1290	return $cf::PLAYER{$_[0]} || do {
		1291	my $login = $_[0];
		1292
		1293	my $guard = cf::lock_acquire "user_find:$login";
		1294
		1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
		1303	my $pl = load_pl path $login
		1304	or return;
		1305	$cf::PLAYER{$login} = $pl
		1306	}
		1307	}
		1308	}
		1309
		1310	sub save($) {
		1311	my ($pl) = @_;
		1312
		1313	return if $pl->{deny_save};
		1314
		1315	my $path = path $pl;
		1316	my $guard = cf::lock_acquire "user_save:$path";
		1317
		1318	return if $pl->{deny_save};
		1319
		1320	aio_mkdir playerdir $pl, 0770;
		1321	$pl->{last_save} = $cf::RUNTIME;
		1322
		1323	$pl->save_pl ($path);
		1324	Coro::cede;
		1325	}
		1326
		1327	sub new($) {
		1328	my ($login) = @_;
		1329
		1330	my $self = create;
		1331
		1332	$self->ob->name ($login);
		1333	$self->{deny_save} = 1;
		1334
		1335	$cf::PLAYER{$login} = $self;
		1336
		1337	$self
		1338	}
		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
		1350	=item $pl->quit_character
		1351
		1352	Nukes the player without looking back. If logged in, the connection will
		1353	be destroyed. May block for a long time.
		1354
		1355	=cut
		1356
		1357	sub quit_character {
		1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
		1361
		1362	$pl->{deny_save} = 1;
		1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1364
		1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1366	$pl->deactivate;
		1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1368	$pl->ns->destroy if $pl->ns;
		1369
		1370	my $path = playerdir $pl;
		1371	my $temp = "$path~$cf::RUNTIME~deleting~";
		1372	aio_rename $path, $temp;
		1373	delete $cf::PLAYER{$pl->ob->name};
		1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
		1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
		1396	}
		1397
		1398	=item cf::player::list_logins
		1399
		1400	Returns am arrayref of all valid playernames in the system, can take a
		1401	while and may block, so not sync_job-capable, ever.
		1402
		1403	=cut
		1404
		1405	sub list_logins {
		1406	my $dirs = aio_readdir $PLAYERDIR
		1407	or return [];
		1408
		1409	my @logins;
		1410
		1411	for my $login (@$dirs) {
		1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1413	aio_read $fh, 0, 512, my $buf, 0 or next;
		1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1415
		1416	utf8::decode $login;
		1417	push @logins, $login;
		1418	}
		1419
		1420	\@logins
		1421	}
		1422
		1423	=item $player->maps
		1424
		1425	Returns an arrayref of map paths that are private for this
		1426	player. May block.
		1427
		1428	=cut
		1429
		1430	sub maps($) {
		1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
		1435	my $files = aio_readdir playerdir $pl
		1436	or return;
		1437
		1438	my @paths;
		1439
		1440	for (@$files) {
		1441	utf8::decode $_;
		1442	next if /\.(?:pl|pst)$/;
		1443	next unless /^$PATH_SEP/o;
		1444
		1445	push @paths, cf::map::normalise "~$pl/$_";
		1446	}
		1447
		1448	\@paths
		1449	}
		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
		1501	=item $player->ext_reply ($msgid, @msg)
		1502
		1503	Sends an ext reply to the player.
		1504
		1505	=cut
		1506
		1507	sub ext_reply($$@) {
		1508	my ($self, $id, @msg) = @_;
		1509
		1510	if ($self->ns->extcmd == 2) {
		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
		1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
		1517	}
		1518
		1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
		1559
		1560	=back
		1561
		1562	=head3 cf::map
		1563
		1564	=over 4
		1565
		1566	=cut
		1567
		1568	package cf::map;
		1569
		1570	use Fcntl;
		1571	use Coro::AIO;
		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
		1577	our $MAX_RESET = 3600;
		1578	our $DEFAULT_RESET = 3000;
		1579
		1580	sub generate_random_map {
		1581	my ($self, $rmp) = @_;
		1582	# mit "rum" bekleckern, nicht
		1583	$self->_create_random_map (
		1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1587	$rmp->{exit_on_final_map},
		1588	$rmp->{xsize}, $rmp->{ysize},
		1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
692	sub register {	1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
693	my ($base, $pkg) = @_;	1620	my ($self, $merge) = @_;
694		1621
695	#TODO	1622	# we have to keep some variables in memory intact
696	}	1623	local $self->{path};
		1624	local $self->{load_path};
697		1625
698	sub load_extension {	1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
699	my ($path) = @_;	1630	my ($path, $base) = @_;
700		1631
701	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1632	$path = "$path"; # make sure its a string
702	my $base = $1;
703	my $pkg = $1;
704	$pkg =~ s/[^[:word:]]/_/g;
705	$pkg = "ext::$pkg";
706		1633
707	warn "loading '$path' into '$pkg'\n";	1634	$path =~ s/\.map$//;
708		1635
709	open my $fh, "<:utf8", $path	1636	# map plan:
710	or die "$path: $!";	1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
711		1644
712	my $source =	1645	$path =~ s/$PATH_SEP/\//go;
713	"package $pkg; use strict; use utf8;\n"
714	. "#line 1 \"$path\"\n{\n"
715	. (do { local $/; <$fh> })
716	. "\n};\n1";
717		1646
718	eval $source	1647	# treat it as relative path if it starts with
719	or die $@ ? "$path: $@\n"	1648	# something that looks reasonable
720	: "extension disabled.\n";	1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
721		1651
722	push @exts, $pkg;	1652	$base =~ s{[^/]+/?$}{};
723	$ext_pkg{$base} = $pkg;	1653	$path = "$base/$path";
724
725	# no strict 'refs';
726	# @{"$pkg\::ISA"} = ext::;
727
728	register $base, $pkg;
729	}
730
731	sub unload_extension {
732	my ($pkg) = @_;
733
734	warn "removing extension $pkg\n";
735
736	# remove hooks
737	#TODO
738	# for my $idx (0 .. $#PLUGIN_EVENT) {
739	# delete $hook[$idx]{$pkg};
740	# }	1654	}
741		1655
742	# remove commands	1656	for ($path) {
743	for my $name (keys %COMMAND) {	1657	redo if s{//}{/};
744	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };	1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
745		1661
746	if (@cb) {	1662	$path
747	$COMMAND{$name} = \@cb;	1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
		1723	}
		1724
		1725	# and all this just because we cannot iterate over
		1726	# all maps in C++...
		1727	sub change_all_map_light {
		1728	my ($change) = @_;
		1729
		1730	$_->change_map_light ($change)
		1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
		1750	sub load_header_from($) {
		1751	my ($self, $path) = @_;
		1752
		1753	utf8::encode $path;
		1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
		1758	or return;
		1759
		1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
748	} else {	1801	} else {
749	delete $COMMAND{$name};	1802	$self->load_header_orig
750	}	1803	or return;
		1804	$self->prepare_orig;
		1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
751	}	1813	1
		1814	}
752		1815
753	# remove extcmds	1816	sub find;
754	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {	1817	sub find {
755	delete $EXTCMD{$name};	1818	my ($path, $origin) = @_;
		1819
		1820	$path = normalise $path, $origin && $origin->path;
		1821
		1822	cf::lock_wait "map_find:$path";
		1823
		1824	$cf::MAP{$path} || do {
		1825	my $guard = cf::lock_acquire "map_find:$path";
		1826	my $map = new_from_path cf::map $path
		1827	or return;
		1828
		1829	$map->{last_save} = $cf::RUNTIME;
		1830
		1831	$map->load_header
		1832	or return;
		1833
		1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
		1837	$map->reset;
		1838	undef $guard;
		1839	return find $path;
		1840	}
		1841
		1842	$cf::MAP{$path} = $map
		1843	}
		1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
		1848
		1849	sub load {
		1850	my ($self) = @_;
		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
		1854	my $path = $self->{path};
		1855
756	}	1856	{
		1857	my $guard = cf::lock_acquire "map_load:$path";
757		1858
758	if (my $cb = $pkg->can ("unload")) {	1859	return if $self->in_memory != cf::MAP_SWAPPED;
759	eval {	1860
760	$cb->($pkg);	1861	$self->in_memory (cf::MAP_LOADING);
		1862
		1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
761	1	1879	}
762	} or warn "$pkg unloaded, but with errors: $@";	1880	}
763	}
764		1881
765	Symbol::delete_package $pkg;	1882	Coro::cede;
766	}	1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
		1885	$self->difficulty ($self->estimate_difficulty)
		1886	unless $self->difficulty;
		1887	Coro::cede;
767		1888
768	sub load_extensions {	1889	unless ($self->{deny_activate}) {
769	for my $ext (<$LIBDIR/*.ext>) {	1890	$self->decay_objects;
770	next unless -r $ext;	1891	$self->fix_auto_apply;
771	eval {	1892	$self->update_buttons;
772	load_extension $ext;	1893	Coro::cede;
773	1	1894	$self->set_darkness_map;
774	} or warn "$ext not loaded: $@";	1895	Coro::cede;
775	}	1896	$self->activate;
776	}	1897	}
777		1898
778	#############################################################################	1899	$self->{last_save} = $cf::RUNTIME;
779	# load/save/clean perl data associated with a map	1900	$self->last_access ($cf::RUNTIME);
780		1901
781	*cf::mapsupport::on_clean = sub {	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_neighbours {
782	my ($map) = @_;	1922	my ($map) = @_;
783		1923
784	my $path = $map->tmpname;	1924	my @neigh; # diagonal neighbours
785	defined $path or return;
786		1925
787	unlink "$path.pst";	1926	for (0 .. 3) {
788	};	1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
789		1932
790	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1933	push @neigh,
		1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1936	}
791		1937
792	#############################################################################	1938	for (grep defined $_->[0], @neigh) {
793	# load/save perl data associated with player->ob objects	1939	my ($path, $origin) = @$_;
794		1940	my $neigh = find $path, $origin
795	sub all_objects(@) {	1941	or next;
796	@_, map all_objects ($_->inv), @_	1942	$neigh->load;
		1943	}
797	}	1944	}
798		1945
799	# TODO: compatibility cruft, remove when no longer needed	1946	sub find_sync {
800	cf::player->attach (	1947	my ($path, $origin) = @_;
801	on_load => sub {
802	my ($pl, $path) = @_;
803		1948
804	for my $o (all_objects $pl->ob) {	1949	cf::sync_job { find $path, $origin }
805	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1950	}
806	$o->set_ob_key_value ("_perl_data");
807		1951
808	%$o = %{ Storable::thaw pack "H*", $value };	1952	sub do_load_sync {
		1953	my ($map) = @_;
		1954
		1955	cf::sync_job { $map->load };
		1956	}
		1957
		1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
809	}	1979	}
810	}	1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
		1983	$MAP_PREFETCHER->prio (6);
		1984
		1985	()
		1986	}
		1987
		1988	sub save {
		1989	my ($self) = @_;
		1990
		1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1992
		1993	$self->{last_save} = $cf::RUNTIME;
		1994
		1995	return unless $self->dirty;
		1996
		1997	my $save = $self->save_path; utf8::encode $save;
		1998	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1999
		2000	$self->{load_path} = $save;
		2001
		2002	return if $self->{deny_save};
		2003
		2004	local $self->{last_access} = $self->last_access;#d#
		2005
		2006	cf::async {
		2007	$_->contr->save for $self->players;
		2008	};
		2009
		2010	if ($uniq) {
		2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2013	} else {
		2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
811	},	2015	}
812	);	2016	}
813		2017
814	#############################################################################	2018	sub swap_out {
		2019	my ($self) = @_;
815		2020
816	=head2 CORE EXTENSIONS	2021	# save first because save cedes
		2022	$self->save;
817		2023
818	Functions and methods that extend core crossfire objects.	2024	my $lock = cf::lock_acquire "map_data:" . $self->path;
819		2025
820	=head3 cf::player	2026	return if $self->players;
		2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
		2028	return if $self->{deny_save};
		2029
		2030	$self->clear;
		2031	$self->in_memory (cf::MAP_SWAPPED);
		2032	}
		2033
		2034	sub reset_at {
		2035	my ($self) = @_;
		2036
		2037	# TODO: safety, remove and allow resettable per-player maps
		2038	return 1e99 if $self->{deny_reset};
		2039
		2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2042
		2043	$time + $to
		2044	}
		2045
		2046	sub should_reset {
		2047	my ($self) = @_;
		2048
		2049	$self->reset_at <= $cf::RUNTIME
		2050	}
		2051
		2052	sub reset {
		2053	my ($self) = @_;
		2054
		2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2056
		2057	return if $self->players;
		2058
		2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
		2070
		2071	delete $cf::MAP{$self->path};
		2072
		2073	$self->clear;
		2074
		2075	$_->clear_links_to ($self) for values %cf::MAP;
		2076
		2077	$self->unlink_save;
		2078	$self->destroy;
		2079	}
		2080
		2081	my $nuke_counter = "aaaa";
		2082
		2083	sub nuke {
		2084	my ($self) = @_;
		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
		2092	$self->{deny_save} = 1;
		2093	$self->reset_timeout (1);
		2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
		2098	$self->reset; # polite request, might not happen
		2099	}
		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
		2137	=item cf::map::unique_maps
		2138
		2139	Returns an arrayref of paths of all shared maps that have
		2140	instantiated unique items. May block.
		2141
		2142	=cut
		2143
		2144	sub unique_maps() {
		2145	[
		2146	map {
		2147	utf8::decode $_;
		2148	/\.map$/
		2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
		2152	]
		2153	}
		2154
		2155	package cf;
		2156
		2157	=back
		2158
		2159	=head3 cf::object
		2160
		2161	=cut
		2162
		2163	package cf::object;
821		2164
822	=over 4	2165	=over 4
823		2166
824	=item cf::player::exists $login	2167	=item $ob->inv_recursive
825		2168
826	Returns true when the given account exists.	2169	Returns the inventory of the object _and_ their inventories, recursively.
827		2170
828	=cut	2171	=cut
829		2172
830	sub cf::player::exists($) {	2173	sub inv_recursive_;
831	cf::player::find $_[0]	2174	sub inv_recursive_ {
832	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	2175	map { $_, inv_recursive_ $_->inv } @_
833	}	2176	}
834		2177
835	=item $player->ext_reply ($msgid, $msgtype, %msg)	2178	sub inv_recursive {
836		2179	inv_recursive_ inv $_[0]
837	Sends an ext reply to the player.
838
839	=cut
840
841	sub cf::player::ext_reply($$$%) {
842	my ($self, $id, %msg) = @_;
843
844	$msg{msgid} = $id;
845
846	$self->send ("ext " . to_json \%msg);
847	}	2180	}
		2181
		2182	package cf;
848		2183
849	=back	2184	=back
850		2185
851	=head3 cf::object::player	2186	=head3 cf::object::player
852		2187
…		…
868		2203
869	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
870		2205
871	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
872	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
873	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
874	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
875	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
876	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
877	}	2231	}
878		2232
879	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
880		2234
881	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
890	(ref $cf::CFG{"may_$access"}	2244	(ref $cf::CFG{"may_$access"}
891	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2245	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
892	: $cf::CFG{"may_$access"})	2246	: $cf::CFG{"may_$access"})
893	}	2247	}
894		2248
		2249	=item $player_object->enter_link
		2250
		2251	Freezes the player and moves him/her to a special map (C<{link}>).
		2252
		2253	The player should be reasonably safe there for short amounts of time. You
		2254	I<MUST> call C<leave_link> as soon as possible, though.
		2255
		2256	Will never block.
		2257
		2258	=item $player_object->leave_link ($map, $x, $y)
		2259
		2260	Moves the player out of the special C<{link}> map onto the specified
		2261	map. If the map is not valid (or omitted), the player will be moved back
		2262	to the location he/she was before the call to C<enter_link>, or, if that
		2263	fails, to the emergency map position.
		2264
		2265	Might block.
		2266
		2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
		2278
		2279	sub cf::object::player::enter_link {
		2280	my ($self) = @_;
		2281
		2282	$self->deactivate_recursive;
		2283
		2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2285
		2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2287	if $self->map && $self->map->{path} ne "{link}";
		2288
		2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		2290	}
		2291
		2292	sub cf::object::player::leave_link {
		2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
		2296
		2297	my $link_pos = delete $self->{_link_pos};
		2298
		2299	unless ($map) {
		2300	# restore original map position
		2301	($map, $x, $y) = @{ $link_pos || [] };
		2302	$map = cf::map::find $map;
		2303
		2304	unless ($map) {
		2305	($map, $x, $y) = @$EMERGENCY_POSITION;
		2306	$map = cf::map::find $map
		2307	or die "FATAL: cannot load emergency map\n";
		2308	}
		2309	}
		2310
		2311	($x, $y) = (-1, -1)
		2312	unless (defined $x) && (defined $y);
		2313
		2314	# use -1 or undef as default coordinates, not 0, 0
		2315	($x, $y) = ($map->enter_x, $map->enter_y)
		2316	if $x <=0 && $y <= 0;
		2317
		2318	$map->load;
		2319	$map->load_neighbours;
		2320
		2321	return unless $self->contr->active;
		2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2325	$self->enter_map ($map, $x, $y);
		2326	}
		2327
		2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
		2329
		2330	Moves the player to the given map-path and coordinates by first freezing
		2331	her, loading and preparing them map, calling the provided $check callback
		2332	that has to return the map if sucecssful, and then unfreezes the player on
		2333	the new (success) or old (failed) map position. In either case, $done will
		2334	be called at the end of this process.
		2335
		2336	=cut
		2337
		2338	our $GOTOGEN;
		2339
		2340	sub cf::object::player::goto {
		2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		2345
		2346	$self->enter_link;
		2347
		2348	(async {
		2349	my $map = eval {
		2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
		2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
		2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
		2373	})->prio (1);
		2374	}
		2375
		2376	=item $player_object->enter_exit ($exit_object)
		2377
		2378	=cut
		2379
		2380	sub parse_random_map_params {
		2381	my ($spec) = @_;
		2382
		2383	my $rmp = { # defaults
		2384	xsize => (cf::rndm 15, 40),
		2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
		2388	};
		2389
		2390	for (split /\n/, $spec) {
		2391	my ($k, $v) = split /\s+/, $_, 2;
		2392
		2393	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2394	}
		2395
		2396	$rmp
		2397	}
		2398
		2399	sub prepare_random_map {
		2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2403
		2404	# all this does is basically replace the /! path by
		2405	# a new random map path (?random/...) with a seed
		2406	# that depends on the exit object
		2407
		2408	my $rmp = parse_random_map_params $exit->msg;
		2409
		2410	if ($exit->map) {
		2411	$rmp->{region} = $exit->region->name;
		2412	$rmp->{origin_map} = $exit->map->path;
		2413	$rmp->{origin_x} = $exit->x;
		2414	$rmp->{origin_y} = $exit->y;
		2415	}
		2416
		2417	$rmp->{random_seed} ||= $exit->random_seed;
		2418
		2419	my $data = cf::to_json $rmp;
		2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
		2422
		2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
		2427
		2428	$exit->slaying ("?random/$md5");
		2429	$exit->msg (undef);
		2430	}
		2431	}
		2432
		2433	sub cf::object::player::enter_exit {
		2434	my ($self, $exit) = @_;
		2435
		2436	return unless $self->type == cf::PLAYER;
		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
		2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
		2454
		2455	(async {
		2456	$self->deactivate_recursive; # just to be sure
		2457	unless (eval {
		2458	$self->goto ($slaying, $hp, $sp);
		2459
		2460	1;
		2461	}) {
		2462	$self->message ("Something went wrong deep within the crossfire server. "
		2463	. "I'll try to bring you back to the map you were before. "
		2464	. "Please report this to the dungeon master!",
		2465	cf::NDI_UNIQUE | cf::NDI_RED);
		2466
		2467	warn "ERROR in enter_exit: $@";
		2468	$self->leave_link;
		2469	}
		2470	})->prio (1);
		2471	}
		2472
895	=head3 cf::client	2473	=head3 cf::client
896		2474
897	=over 4	2475	=over 4
898		2476
899	=item $client->send_drawinfo ($text, $flags)	2477	=item $client->send_drawinfo ($text, $flags)
…		…
905		2483
906	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
907	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
908		2486
909	utf8::encode $text;	2487	utf8::encode $text;
910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
911	}	2489	}
912		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
913		2571
914	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
915		2573
916	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
919		2577
920	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
921	reliable at some point in the future.	2579	become reliable at some point in the future.
922		2580
923	=cut	2581	=cut
924		2582
925	sub cf::client::query {	2583	sub cf::client::query {
926	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
934	utf8::encode $text;	2592	utf8::encode $text;
935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
936		2594
937	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
938	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
939	}	2599	}
940		2600
941	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
942	on_reply => sub {	2607	on_reply => sub {
943	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
944		2609
945	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
946	# get handled first	2611	# get handled first
947	my $queue = delete $ns->{query_queue};	2612	my $queue = delete $ns->{query_queue}
		2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
948		2614
949	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
950		2617
951	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
952		2619
953	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
954	if (@$queue) {	2621	if (@$queue) {
…		…
956	} else {	2623	} else {
957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
958	}	2625	}
959	}	2626	}
960	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
961	);	2651	);
962		2652
963	=item $client->coro (\&cb)	2653	=item $client->async (\&cb)
964		2654
965	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
966	be automatically cancelled when the client gets destroyed (e.g. on logout,	2656	be automatically cancelled when the client gets destroyed (e.g. on logout,
967	or loss of connection).	2657	or loss of connection).
968		2658
969	=cut	2659	=cut
970		2660
971	sub cf::client::coro {	2661	sub cf::client::async {
972	my ($self, $cb) = @_;	2662	my ($self, $cb) = @_;
973		2663
974	my $coro; $coro = async {	2664	my $coro = &Coro::async ($cb);
975	eval {
976	$cb->();
977	};
978	warn $@ if $@;
979	};
980		2665
981	$coro->on_destroy (sub {	2666	$coro->on_destroy (sub {
982	delete $self->{_coro}{$coro+0};	2667	delete $self->{_coro}{$coro+0};
983	});	2668	});
984		2669
…		…
1011	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
1012	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
1013		2698
1014	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
1015		2700
1016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
1017		2706
1018	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
1019		2708
1020	=pod	2709	=pod
1021		2710
1022	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
1023		2712
1024	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
1025	cf::object::player player	2717	cf::object::player
1026	cf::player peaceful	2718	player
1027	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
1028		2725
1029	=cut	2726	=cut
1030		2727
1031	for (	2728	for (
1032	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
1033	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
1034	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
1035	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
1036	) {	2734	) {
1037	no strict 'refs';	2735	no strict 'refs';
…		…
1108	=back	2806	=back
1109		2807
1110	=cut	2808	=cut
1111		2809
1112	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
1113		2812
1114	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
1115		2815
1116	Crossfire maintains a very simple database for extension use. It can	2816	warn "loading facedata from $path\n";
1117	currently store anything that can be serialised using Storable, which
1118	excludes objects.
1119		2817
1120	The parameter C<$family> should best start with the name of the extension	2818	my $facedata;
1121	using it, it should be unique.	2819	0 < aio_load $path, $facedata
		2820	or die "$path: $!";
1122		2821
1123	=over 4	2822	$facedata = Coro::Storable::thaw $facedata;
1124		2823
1125	=item $hashref = cf::db_get $family	2824	$facedata->{version} == 2
		2825	or cf::cleanup "$path: version mismatch, cannot proceed.";
1126		2826
1127	Return a hashref for use by the extension C<$family>, which can be
1128	modified. After modifications, you have to call C<cf::db_dirty> or
1129	C<cf::db_sync>.
1130
1131	=item $value = cf::db_get $family => $key
1132
1133	Returns a single value from the database
1134
1135	=item cf::db_put $family => $hashref
1136
1137	Stores the given family hashref into the database. Updates are delayed, if
1138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1139
1140	=item cf::db_put $family => $key => $value
1141
1142	Stores the given C<$value> in the family hash. Updates are delayed, if you
1143	want the data to be synced to disk immediately, use C<cf::db_sync>.
1144
1145	=item cf::db_dirty
1146
1147	Marks the database as dirty, to be updated at a later time.
1148
1149	=item cf::db_sync
1150
1151	Immediately write the database to disk I<if it is dirty>.
1152
1153	=cut
1154
1155	our $DB;
1156
1157	{
1158	my $path = cf::localdir . "/database.pst";
1159
1160	sub db_load() {
1161	warn "loading database $path\n";#d# remove later
1162	$DB = stat $path ? Storable::retrieve $path : { };
1163	}	2827	{
		2828	my $faces = $facedata->{faceinfo};
1164		2829
1165	my $pid;	2830	while (my ($face, $info) = each %$faces) {
		2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2832	cf::face::set_visibility $idx, $info->{visibility};
		2833	cf::face::set_magicmap $idx, $info->{magicmap};
		2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1166		2836
1167	sub db_save() {	2837	cf::cede_to_tick;
1168	warn "saving database $path\n";#d# remove later
1169	waitpid $pid, 0 if $pid;
1170	if (0 == ($pid = fork)) {
1171	$DB->{_meta}{version} = 1;
1172	Storable::nstore $DB, "$path~";
1173	rename "$path~", $path;
1174	cf::_exit 0 if defined $pid;
1175	}
1176	}
1177
1178	my $dirty;
1179
1180	sub db_sync() {
1181	db_save if $dirty;
1182	undef $dirty;
1183	}
1184
1185	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1186	db_sync;
1187	});
1188
1189	sub db_dirty() {
1190	$dirty = 1;
1191	$idle->start;
1192	}
1193
1194	sub db_get($;$) {
1195	@_ >= 2
1196	? $DB->{$_[0]}{$_[1]}
1197	: ($DB->{$_[0]} ||= { })
1198	}
1199
1200	sub db_put($$;$) {
1201	if (@_ >= 3) {
1202	$DB->{$_[0]}{$_[1]} = $_[2];
1203	} else {
1204	$DB->{$_[0]} = $_[1];
1205	}
1206	db_dirty;
1207	}
1208
1209	cf::global->attach (
1210	prio => 10000,
1211	on_cleanup => sub {
1212	db_sync;
1213	},	2838	}
1214	);
1215	}
1216		2839
1217	#############################################################################	2840	while (my ($face, $info) = each %$faces) {
1218	# the server's main()	2841	next unless $info->{smooth};
		2842	my $idx = cf::face::find $face
		2843	or next;
		2844	if (my $smooth = cf::face::find $info->{smooth}) {
		2845	cf::face::set_smooth $idx, $smooth;
		2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2847	} else {
		2848	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2849	}
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853	}
		2854
		2855	{
		2856	my $anims = $facedata->{animinfo};
		2857
		2858	while (my ($anim, $info) = each %$anims) {
		2859	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2860	cf::cede_to_tick;
		2861	}
		2862
		2863	cf::anim::invalidate_all; # d'oh
		2864	}
		2865
		2866	{
		2867	# TODO: for gcfclient pleasure, we should give resources
		2868	# that gcfclient doesn't grok a >10000 face index.
		2869	my $res = $facedata->{resource};
		2870	my $enc = JSON::XS->new->utf8->canonical;
		2871
		2872	my $soundconf = delete $res->{"res/sound.conf"};
		2873
		2874	while (my ($name, $info) = each %$res) {
		2875	my $meta = $enc->encode ({
		2876	name => $name,
		2877	%{ $info->{meta} || {} },
		2878	});
		2879
		2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2881
		2882	if ($info->{type} & 1) {
		2883	# prepend meta info
		2884
		2885	my $data = pack "(w/a*)*", $meta, $info->{data};
		2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2887
		2888	cf::face::set_data $idx, 0, $data, $chk;
		2889	} else {
		2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2891	}
		2892
		2893	cf::face::set_type $idx, $info->{type};
		2894
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	if ($soundconf) {
		2899	$soundconf = $enc->decode (delete $soundconf->{data});
		2900
		2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2902	my $sound = $soundconf->{compat}[$_]
		2903	or next;
		2904
		2905	my $face = cf::face::find "sound/$sound->[1]";
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2911	my $face = cf::face::find "sound/$v";
		2912	cf::sound::set $k => $face;
		2913	}
		2914	}
		2915	}
		2916
		2917	1
		2918	}
		2919
		2920	register_exticmd fx_want => sub {
		2921	my ($ns, $want) = @_;
		2922
		2923	while (my ($k, $v) = each %$want) {
		2924	$ns->fx_want ($k, $v);
		2925	}
		2926	};
		2927
		2928	sub reload_regions {
		2929	load_resource_file "$MAPDIR/regions"
		2930	or die "unable to load regions file\n";
		2931
		2932	for (cf::region::list) {
		2933	$_->{match} = qr/$_->{match}/
		2934	if exists $_->{match};
		2935	}
		2936	}
		2937
		2938	sub reload_facedata {
		2939	load_facedata "$DATADIR/facedata"
		2940	or die "unable to load facedata\n";
		2941	}
		2942
		2943	sub reload_archetypes {
		2944	load_resource_file "$DATADIR/archetypes"
		2945	or die "unable to load archetypes\n";
		2946	#d# NEED to laod twice to resolve forward references
		2947	# this really needs to be done in an extra post-pass
		2948	# (which needs to be synchronous, so solve it differently)
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	}
		2952
		2953	sub reload_treasures {
		2954	load_resource_file "$DATADIR/treasures"
		2955	or die "unable to load treasurelists\n";
		2956	}
		2957
		2958	sub reload_resources {
		2959	warn "reloading resource files...\n";
		2960
		2961	reload_regions;
		2962	reload_facedata;
		2963	#reload_archetypes;#d#
		2964	reload_archetypes;
		2965	reload_treasures;
		2966
		2967	warn "finished reloading resource files\n";
		2968	}
		2969
		2970	sub init {
		2971	reload_resources;
		2972	}
1219		2973
1220	sub cfg_load {	2974	sub cfg_load {
1221	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
1222	or return;	2976	or return;
1223		2977
1224	local $/;	2978	local $/;
1225	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
		2980
		2981	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2982
		2983	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2984	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2985
		2986	if (exists $CFG{mlockall}) {
		2987	eval {
		2988	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2989	and die "WARNING: m(un)lockall failed: $!\n";
		2990	};
		2991	warn $@ if $@;
		2992	}
1226	}	2993	}
1227		2994
1228	sub main {	2995	sub main {
		2996	# we must not ever block the main coroutine
		2997	local $Coro::idle = sub {
		2998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2999	(async {
		3000	Event::one_event;
		3001	})->prio (Coro::PRIO_MAX);
		3002	};
		3003
1229	cfg_load;	3004	cfg_load;
1230	db_load;	3005	db_init;
1231	load_extensions;	3006	load_extensions;
		3007
		3008	$TICK_WATCHER->start;
1232	Event::loop;	3009	Event::loop;
1233	}	3010	}
1234		3011
1235	#############################################################################	3012	#############################################################################
1236	# initialisation	3013	# initialisation and cleanup
1237		3014
1238	sub _perl_reload() {	3015	# install some emergency cleanup handlers
		3016	BEGIN {
		3017	for my $signal (qw(INT HUP TERM)) {
		3018	Event->signal (
		3019	reentrant => 0,
		3020	data => WF_AUTOCANCEL,
		3021	signal => $signal,
		3022	prio => 0,
		3023	cb => sub {
		3024	cf::cleanup "SIG$signal";
		3025	},
		3026	);
		3027	}
		3028	}
		3029
		3030	sub write_runtime {
		3031	my $runtime = "$LOCALDIR/runtime";
		3032
		3033	# first touch the runtime file to show we are still running:
		3034	# the fsync below can take a very very long time.
		3035
		3036	IO::AIO::aio_utime $runtime, undef, undef;
		3037
		3038	my $guard = cf::lock_acquire "write_runtime";
		3039
		3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3041	or return;
		3042
		3043	my $value = $cf::RUNTIME + 90 + 10;
		3044	# 10 is the runtime save interval, for a monotonic clock
		3045	# 60 allows for the watchdog to kill the server.
		3046
		3047	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3048	and return;
		3049
		3050	# always fsync - this file is important
		3051	aio_fsync $fh
		3052	and return;
		3053
		3054	# touch it again to show we are up-to-date
		3055	aio_utime $fh, undef, undef;
		3056
		3057	close $fh
		3058	or return;
		3059
		3060	aio_rename "$runtime~", $runtime
		3061	and return;
		3062
		3063	warn "runtime file written.\n";
		3064
		3065	1
		3066	}
		3067
		3068	sub emergency_save() {
		3069	my $freeze_guard = cf::freeze_mainloop;
		3070
		3071	warn "enter emergency perl save\n";
		3072
		3073	cf::sync_job {
		3074	# use a peculiar iteration method to avoid tripping on perl
		3075	# refcount bugs in for. also avoids problems with players
		3076	# and maps saved/destroyed asynchronously.
		3077	warn "begin emergency player save\n";
		3078	for my $login (keys %cf::PLAYER) {
		3079	my $pl = $cf::PLAYER{$login} or next;
		3080	$pl->valid or next;
		3081	$pl->save;
		3082	}
		3083	warn "end emergency player save\n";
		3084
		3085	warn "begin emergency map save\n";
		3086	for my $path (keys %cf::MAP) {
		3087	my $map = $cf::MAP{$path} or next;
		3088	$map->valid or next;
		3089	$map->save;
		3090	}
		3091	warn "end emergency map save\n";
		3092
		3093	warn "begin emergency database checkpoint\n";
		3094	BDB::db_env_txn_checkpoint $DB_ENV;
		3095	warn "end emergency database checkpoint\n";
		3096	};
		3097
		3098	warn "leave emergency perl save\n";
		3099	}
		3100
		3101	sub post_cleanup {
		3102	my ($make_core) = @_;
		3103
		3104	warn Carp::longmess "post_cleanup backtrace"
		3105	if $make_core;
		3106	}
		3107
		3108	sub do_reload_perl() {
		3109	# can/must only be called in main
		3110	if ($Coro::current != $Coro::main) {
		3111	warn "can only reload from main coroutine";
		3112	return;
		3113	}
		3114
1239	warn "reloading...";	3115	warn "reloading...";
1240		3116
1241	eval {	3117	warn "entering sync_job";
1242	local $FREEZE = 1;
1243		3118
		3119	cf::sync_job {
		3120	cf::write_runtime; # external watchdog should not bark
1244	cf::emergency_save;	3121	cf::emergency_save;
		3122	cf::write_runtime; # external watchdog should not bark
1245		3123
1246	# cancel all watchers	3124	warn "syncing database to disk";
		3125	BDB::db_env_txn_checkpoint $DB_ENV;
		3126
		3127	# if anything goes wrong in here, we should simply crash as we already saved
		3128
		3129	warn "cancelling all WF_AUTOCANCEL watchers";
1247	for (Event::all_watchers) {	3130	for (Event::all_watchers) {
1248	$_->cancel if $_->data & WF_AUTOCANCEL;	3131	$_->cancel if $_->data & WF_AUTOCANCEL;
1249	}	3132	}
1250		3133
		3134	warn "flushing outstanding aio requests";
		3135	for (;;) {
		3136	BDB::flush;
		3137	IO::AIO::flush;
		3138	Coro::cede;
		3139	last unless IO::AIO::nreqs || BDB::nreqs;
		3140	warn "iterate...";
		3141	}
		3142
		3143	++$RELOAD;
		3144
1251	# cancel all extension coros	3145	warn "cancelling all extension coros";
1252	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
1253	%EXT_CORO = ();	3147	%EXT_CORO = ();
1254		3148
1255	# unload all extensions	3149	warn "removing commands";
1256	for (@exts) {	3150	%COMMAND = ();
		3151
		3152	warn "removing ext/exti commands";
		3153	%EXTCMD = ();
		3154	%EXTICMD = ();
		3155
		3156	warn "unloading/nuking all extensions";
		3157	for my $pkg (@EXTS) {
1257	warn "unloading <$_>";	3158	warn "... unloading $pkg";
1258	unload_extension $_;	3159
		3160	if (my $cb = $pkg->can ("unload")) {
		3161	eval {
		3162	$cb->($pkg);
		3163	1
		3164	} or warn "$pkg unloaded, but with errors: $@";
1259	}	3165	}
1260		3166
		3167	warn "... nuking $pkg";
		3168	Symbol::delete_package $pkg;
		3169	}
		3170
1261	# unload all modules loaded from $LIBDIR	3171	warn "unloading all perl modules loaded from $LIBDIR";
1262	while (my ($k, $v) = each %INC) {	3172	while (my ($k, $v) = each %INC) {
1263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3173	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1264		3174
1265	warn "removing <$k>";	3175	warn "... unloading $k";
1266	delete $INC{$k};	3176	delete $INC{$k};
1267		3177
1268	$k =~ s/\.pm$//;	3178	$k =~ s/\.pm$//;
1269	$k =~ s/\//::/g;	3179	$k =~ s/\//::/g;
1270		3180
…		…
1273	}	3183	}
1274		3184
1275	Symbol::delete_package $k;	3185	Symbol::delete_package $k;
1276	}	3186	}
1277		3187
1278	# sync database to disk
1279	cf::db_sync;
1280	IO::AIO::flush;
1281
1282	# get rid of safe::, as good as possible	3188	warn "getting rid of safe::, as good as possible";
1283	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
1284	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1285		3191
1286	# remove register_script_function callbacks
1287	# TODO
1288
1289	# unload cf.pm "a bit"	3192	warn "unloading cf.pm \"a bit\"";
1290	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
1291		3195
1292	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
1293	# and global variables created in xs	3197	# and global variables created in xs
1294	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
1295		3199
1296	# reload cf.pm	3200	warn "unload completed, starting to reload now";
		3201
1297	warn "reloading cf.pm";	3202	warn "reloading cf.pm";
1298	require cf;	3203	require cf;
1299	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1300		3205
1301	# load config and database again	3206	warn "loading config and database again";
1302	cf::cfg_load;	3207	cf::cfg_load;
1303	cf::db_load;
1304		3208
1305	# load extensions
1306	warn "load extensions";	3209	warn "loading extensions";
1307	cf::load_extensions;	3210	cf::load_extensions;
1308		3211
1309	# reattach attachments to objects	3212	warn "reattaching attachments to objects/players";
1310	warn "reattach";	3213	_global_reattach; # objects, sockets
1311	_global_reattach;	3214	warn "reattaching attachments to maps";
		3215	reattach $_ for values %MAP;
		3216	warn "reattaching attachments to players";
		3217	reattach $_ for values %PLAYER;
		3218
		3219	warn "leaving sync_job";
		3220
		3221	1
		3222	} or do {
		3223	warn $@;
		3224	warn "error while reloading, exiting.";
		3225	exit 1;
1312	};	3226	};
1313	warn $@ if $@;
1314		3227
1315	warn "reloaded";	3228	warn "reloaded";
1316	};	3229	};
1317		3230
1318	sub perl_reload() {	3231	our $RELOAD_WATCHER; # used only during reload
1319	_perl_reload;
1320	}
1321		3232
1322	register "<global>", __PACKAGE__;	3233	sub reload_perl() {
		3234	# doing reload synchronously and two reloads happen back-to-back,
		3235	# coro crashes during coro_state_free->destroy here.
1323		3236
		3237	$RELOAD_WATCHER ||= Event->timer (
		3238	reentrant => 0,
		3239	after => 0,
		3240	data => WF_AUTOCANCEL,
		3241	cb => sub {
		3242	do_reload_perl;
		3243	undef $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
1324	register_command "perl-reload" => sub {	3248	register_command "reload" => sub {
1325	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
1326		3250
1327	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
1328	$who->message ("reloading...");	3252	$who->message ("reloading server.");
1329	_perl_reload;	3253	async { reload_perl };
1330	}	3254	}
1331	};	3255	};
1332		3256
1333	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
1334		3258
		3259	my $bug_warning = 0;
		3260
		3261	our @WAIT_FOR_TICK;
		3262	our @WAIT_FOR_TICK_BEGIN;
		3263
		3264	sub wait_for_tick {
		3265	return unless $TICK_WATCHER->is_active;
		3266	return if $Coro::current == $Coro::main;
		3267
		3268	my $signal = new Coro::Signal;
		3269	push @WAIT_FOR_TICK, $signal;
		3270	$signal->wait;
		3271	}
		3272
		3273	sub wait_for_tick_begin {
		3274	return unless $TICK_WATCHER->is_active;
		3275	return if $Coro::current == $Coro::main;
		3276
		3277	my $signal = new Coro::Signal;
		3278	push @WAIT_FOR_TICK_BEGIN, $signal;
		3279	$signal->wait;
		3280	}
		3281
		3282	my $min = 1e6;#d#
		3283	my $avg = 10;
1335	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
		3285	reentrant => 0,
		3286	parked => 1,
1336	prio => 0,	3287	prio => 0,
1337	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
1338	data => WF_AUTOCANCEL,	3289	data => WF_AUTOCANCEL,
1339	cb => sub {	3290	cb => sub {
1340	unless ($FREEZE) {	3291	if ($Coro::current != $Coro::main) {
		3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3293	unless ++$bug_warning > 10;
		3294	return;
		3295	}
		3296
		3297	$NOW = $tick_start = Event::time;
		3298
1341	cf::server_tick; # one server iteration	3299	cf::server_tick; # one server iteration
1342	$RUNTIME += $TICK;	3300
		3301	0 && sync_job {#d#
		3302	for(1..10) {
		3303	my $t = Event::time;
		3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3305	or die;
		3306
		3307	$map->width (50);
		3308	$map->height (50);
		3309	$map->alloc;
		3310	$map->_load_objects ("/tmp/x.map", 1);
		3311	my $t = Event::time - $t;
		3312
		3313	#next unless $t < 0.0013;#d#
		3314	if ($t < $min) {
		3315	$min = $t;
		3316	}
		3317	$avg = $avg * 0.99 + $t * 0.01;
		3318	}
		3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3320	exit 0;
		3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1343	}	3322	};
1344		3323
		3324	$RUNTIME += $TICK;
1345	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
1346		3326
		3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3329	Coro::async_pool {
		3330	write_runtime
		3331	or warn "ERROR: unable to write runtime file: $!";
		3332	};
		3333	}
		3334
		3335	# my $AFTER = Event::time;
		3336	# warn $AFTER - $NOW;#d#
		3337
		3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3339	$sig->send;
		3340	}
		3341	while (my $sig = shift @WAIT_FOR_TICK) {
		3342	$sig->send;
		3343	}
		3344
		3345	$NOW = Event::time;
		3346
1347	# if we are delayed by four ticks or more, skip them all	3347	# if we are delayed by four ticks or more, skip them all
1348	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1349		3349
1350	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
1351	$TICK_WATCHER->start;	3351	$TICK_WATCHER->start;
		3352
		3353	$LOAD = ($NOW - $tick_start) / $TICK;
		3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3355
		3356	_post_tick;
		3357
		3358
1352	},	3359	},
1353	);	3360	);
1354		3361
		3362	{
		3363	BDB::max_poll_time $TICK * 0.1;
		3364	$BDB_POLL_WATCHER = Event->io (
		3365	reentrant => 0,
		3366	fd => BDB::poll_fileno,
		3367	poll => 'r',
		3368	prio => 0,
		3369	data => WF_AUTOCANCEL,
		3370	cb => \&BDB::poll_cb,
		3371	);
		3372	BDB::min_parallel 8;
		3373
		3374	BDB::set_sync_prepare {
		3375	my $status;
		3376	my $current = $Coro::current;
		3377	(
		3378	sub {
		3379	$status = $!;
		3380	$current->ready; undef $current;
		3381	},
		3382	sub {
		3383	Coro::schedule while defined $current;
		3384	$! = $status;
		3385	},
		3386	)
		3387	};
		3388
		3389	unless ($DB_ENV) {
		3390	$DB_ENV = BDB::db_env_create;
		3391
		3392	cf::sync_job {
		3393	eval {
		3394	BDB::db_env_open
		3395	$DB_ENV,
		3396	$BDBDIR,
		3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3399	0666;
		3400
		3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3402
		3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3404	$DB_ENV->set_lk_detect;
		3405	};
		3406
		3407	cf::cleanup "db_env_open(db): $@" if $@;
		3408	};
		3409	}
		3410	}
		3411
		3412	{
		3413	IO::AIO::min_parallel 8;
		3414
		3415	undef $Coro::AIO::WATCHER;
1355	IO::AIO::max_poll_time $TICK * 0.2;	3416	IO::AIO::max_poll_time $TICK * 0.1;
1356		3417	$AIO_POLL_WATCHER = Event->io (
1357	Event->io (fd => IO::AIO::poll_fileno,	3418	reentrant => 0,
1358	poll => 'r',
1359	prio => 5,
1360	data => WF_AUTOCANCEL,	3419	data => WF_AUTOCANCEL,
		3420	fd => IO::AIO::poll_fileno,
		3421	poll => 'r',
		3422	prio => 6,
1361	cb => \&IO::AIO::poll_cb);	3423	cb => \&IO::AIO::poll_cb,
		3424	);
		3425	}
1362		3426
1363	# we must not ever block the main coroutine	3427	my $_log_backtrace;
1364	$Coro::idle = sub {	3428
1365	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3429	sub _log_backtrace {
1366	warn "FATAL: Coro::idle was called, major BUG\n";	3430	my ($msg, @addr) = @_;
1367	(Coro::unblock_sub {	3431
1368	Event::one_event;	3432	$msg =~ s/\n//;
1369	})->();	3433
1370	};	3434	# limit the # of concurrent backtraces
		3435	if ($_log_backtrace < 2) {
		3436	++$_log_backtrace;
		3437	async {
		3438	my @bt = fork_call {
		3439	@addr = map { sprintf "%x", $_ } @addr;
		3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3442	or die "addr2line: $!";
		3443
		3444	my @funcs;
		3445	my @res = <$fh>;
		3446	chomp for @res;
		3447	while (@res) {
		3448	my ($func, $line) = splice @res, 0, 2, ();
		3449	push @funcs, "[$func] $line";
		3450	}
		3451
		3452	@funcs
		3453	};
		3454
		3455	LOG llevInfo, "[ABT] $msg\n";
		3456	LOG llevInfo, "[ABT] $_\n" for @bt;
		3457	--$_log_backtrace;
		3458	};
		3459	} else {
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] [suppressed]\n";
		3462	}
		3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
		3467
		3468	END { cf::emergency_save }
1371		3469
1372	1	3470	1
1373		3471

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