ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.93 by root, Thu Dec 21 22:41:35 2006 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC

1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
		9	use Event;
6	use Opcode;	10	use Opcode;
7	use Safe;	11	use Safe;
8	use Safe::Hole;	12	use Safe::Hole;
9		13
10	use IO::AIO ();	14	use Coro 3.52 ();
		15	use Coro::State;
		16	use Coro::Event;
		17	use Coro::Timer;
		18	use Coro::Signal;
		19	use Coro::Semaphore;
		20	use Coro::AIO;
		21
		22	use BDB ();
		23	use Data::Dumper;
		24	use Digest::MD5;
		25	use Fcntl;
11	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
12	use Time::HiRes;	28	use Time::HiRes;
13	use Event;	29	use Compress::LZF;
		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
14	$Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
15		37
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
18		40
19	use strict;	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
20		42
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		44
23	our %COMMAND = ();	45	our %COMMAND = ();
24	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
25	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
26		52
27	_init_vars;	53	our $RELOAD; # number of reloads so far
28
29	our @EVENT;	54	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
31		56
32	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
34	our $NEXT_TICK;	61	our $NEXT_TICK;
		62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
35		67
36	our %CFG;	68	our %CFG;
37		69
38	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
		71	our $RUNTIME;
		72
		73	our %PLAYER; # all users
		74	our %MAP; # all maps
		75	our $LINK_MAP; # the special {link} map, which is always available
		76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		84
		85	binmode STDOUT;
		86	binmode STDERR;
		87
		88	# read virtual server time, if available
		89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		90	open my $fh, "<", cf::localdir . "/runtime"
		91	or die "unable to read runtime file: $!";
		92	$RUNTIME = <$fh> + 0.;
		93	}
		94
		95	mkdir cf::localdir;
		96	mkdir cf::localdir . "/" . cf::playerdir;
		97	mkdir cf::localdir . "/" . cf::tmpdir;
		98	mkdir cf::localdir . "/" . cf::uniquedir;
		99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
		101
		102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
39		105
40	#############################################################################	106	#############################################################################
41		107
42	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
43		109
44	=over 4	110	=over 4
45		111
46	=item $cf::UPTIME	112	=item $cf::UPTIME
47		113
48	The timestamp of the server start (so not actually an uptime).	114	The timestamp of the server start (so not actually an uptime).
		115
		116	=item $cf::RUNTIME
		117
		118	The time this server has run, starts at 0 and is increased by $cf::TICK on
		119	every server tick.
49		120
50	=item $cf::LIBDIR	121	=item $cf::LIBDIR
51		122
52	The perl library directory, where extensions and cf-specific modules can	123	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	124	be found. It will be added to C<@INC> automatically.
54		125
		126	=item $cf::NOW
		127
		128	The time of the last (current) server tick.
		129
55	=item $cf::TICK	130	=item $cf::TICK
56		131
57	The interval between server ticks, in seconds.	132	The interval between server ticks, in seconds.
58		133
59	=item %cf::CFG	134	=item %cf::CFG
60		135
61	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
62	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
63		145
64	=back	146	=back
65		147
66	=cut	148	=cut
67		149
68	BEGIN {	150	BEGIN {
69	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	152	my $msg = join "", @_;
		153	utf8::encode $msg;
		154
71	$msg .= "\n"	155	$msg .= "\n"
72	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
73		157
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
76	};	159	};
77	}	160	}
78		161
79	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
80	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
84	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
85		168
86	# we bless all objects into (empty) derived classes to force a method lookup	169	# we bless all objects into (empty) derived classes to force a method lookup
87	# within the Safe compartment.	170	# within the Safe compartment.
88	for my $pkg (qw(	171	for my $pkg (qw(
89	cf::global	172	cf::global cf::attachable
90	cf::object cf::object::player	173	cf::object cf::object::player
91	cf::client cf::player	174	cf::client cf::player
92	cf::arch cf::living	175	cf::arch cf::living
93	cf::map cf::party cf::region	176	cf::map cf::party cf::region
94	)) {	177	)) {
…		…
98		181
99	$Event::DIED = sub {	182	$Event::DIED = sub {
100	warn "error in event callback: @_";	183	warn "error in event callback: @_";
101	};	184	};
102		185
103	my %ext_pkg;
104	my @exts;
105	my @hook;
106
107	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
108		187
109	=over 4	188	=over 4
110		189
111	=cut	190	=item dumpval $ref
112		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
113	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
114		214
115	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
116		216
117	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
118		218
119	=cut
120
121	sub from_json($) {
122	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
123	JSON::Syck::Load $_[0]
124	}
125
126	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
127		220
128	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
129		222
130	=cut	223	=item cf::lock_wait $string
131		224
132	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
133	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
134	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
		249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
		284
		285	=item cf::sync_job { BLOCK }
		286
		287	The design of crossfire+ requires that the main coro ($Coro::main) is
		288	always able to handle events or runnable, as crossfire+ is only partly
		289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		290
		291	If it must be done, put the blocking parts into C<sync_job>. This will run
		292	the given BLOCK in another coroutine while waiting for the result. The
		293	server will be frozen during this time, so the block should either finish
		294	fast or be very important.
		295
		296	=cut
		297
		298	sub sync_job(&) {
		299	my ($job) = @_;
		300
		301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
		305	# TODO: use suspend/resume instead
		306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
		316	})->prio (Coro::PRIO_MAX);
		317
		318	while ($busy) {
		319	Coro::cede or Event::one_event;
		320	}
		321
		322	wantarray ? @res : $res[0]
		323	} else {
		324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
		327	}
		328	}
		329
		330	=item $coro = cf::async_ext { BLOCK }
		331
		332	Like async, but this coro is automatically being canceled when the
		333	extension calling this is being unloaded.
		334
		335	=cut
		336
		337	sub async_ext(&) {
		338	my $cb = shift;
		339
		340	my $coro = &Coro::async ($cb);
		341
		342	$coro->on_destroy (sub {
		343	delete $EXT_CORO{$coro+0};
		344	});
		345	$EXT_CORO{$coro+0} = $coro;
		346
		347	$coro
		348	}
		349
		350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
		353	my $runtime = cf::localdir . "/runtime";
		354
		355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		356	or return;
		357
		358	my $value = $cf::RUNTIME + 90 + 10;
		359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
		362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		363	and return;
		364
		365	# always fsync - this file is important
		366	aio_fsync $fh
		367	and return;
		368
		369	close $fh
		370	or return;
		371
		372	aio_rename "$runtime~", $runtime
		373	and return;
		374
		375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
135	}	387	}
136		388
137	=back	389	=back
138		390
139	=cut	391	=cut
140		392
141	#############################################################################	393	#############################################################################
142		394
143	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
144		396
145	You can define and attach attachments to each "attachable" object in	397	Many objects in crossfire are so-called attachable objects. That means you can
146	crossfire+ (objects, players, clients, maps and the special "global"	398	attach callbacks/event handlers (a collection of which is called an "attachment")
		399	to it. All such attachable objects support the following methods.
		400
147	class). In the following description, CLASS can be any of C<global>,	401	In the following description, CLASS can be any of C<global>, C<object>
148	C<object> C<player>, C<client> or C<map>.	402	C<player>, C<client> or C<map> (i.e. the attachable objects in
		403	crossfire+).
149		404
150	=over 4	405	=over 4
151		406
		407	=item $attachable->attach ($attachment, key => $value...)
		408
		409	=item $attachable->detach ($attachment)
		410
		411	Attach/detach a pre-registered attachment to a specific object and give it
		412	the specified key/value pairs as arguments.
		413
		414	Example, attach a minesweeper attachment to the given object, making it a
		415	10x10 minesweeper game:
		416
		417	$obj->attach (minesweeper => width => 10, height => 10);
		418
		419	=item $bool = $attachable->attached ($name)
		420
		421	Checks wether the named attachment is currently attached to the object.
		422
		423	=item cf::CLASS->attach ...
		424
		425	=item cf::CLASS->detach ...
		426
		427	Define an anonymous attachment and attach it to all objects of the given
		428	CLASS. See the next function for an explanation of its arguments.
		429
		430	You can attach to global events by using the C<cf::global> class.
		431
		432	Example, log all player logins:
		433
		434	cf::player->attach (
		435	on_login => sub {
		436	my ($pl) = @_;
		437	...
		438	},
		439	);
		440
		441	Example, attach to the jeweler skill:
		442
		443	cf::object->attach (
		444	type => cf::SKILL,
		445	subtype => cf::SK_JEWELER,
		446	on_use_skill => sub {
		447	my ($sk, $ob, $part, $dir, $msg) = @_;
		448	...
		449	},
		450	);
		451
152	=item cf::CLASS::attachment $name, ...	452	=item cf::CLASS::attachment $name, ...
153		453
154	Register an attachment by name through which attachable objects can refer	454	Register an attachment by C<$name> through which attachable objects of the
155	to this attachment.	455	given CLASS can refer to this attachment.
156		456
157	=item $bool = $attachable->attached ($name)	457	Some classes such as crossfire maps and objects can specify attachments
		458	that are attached at load/instantiate time, thus the need for a name.
158		459
159	Checks wether the named attachment is currently attached to the object.
160
161	=item $attachable->attach ($attachment, key => $value...)
162
163	=item $attachable->detach ($attachment)
164
165	Attach/detach a pre-registered attachment either to a specific object
166	(C<$attachable>) or all objects of the given class (if C<$attachable> is a
167	class in a static method call).
168
169	You can attach to global events by using the C<cf::global> class.
170
171	These method calls expect any number of the following handler/hook	460	These calls expect any number of the following handler/hook descriptions:
172	descriptions:
173		461
174	=over 4	462	=over 4
175		463
176	=item prio => $number	464	=item prio => $number
177		465
…		…
203	package and register them. Only handlers for eevents supported by the	491	package and register them. Only handlers for eevents supported by the
204	object/class are recognised.	492	object/class are recognised.
205		493
206	=back	494	=back
207		495
		496	Example, define an attachment called "sockpuppet" that calls the given
		497	event handler when a monster attacks:
		498
		499	cf::object::attachment sockpuppet =>
		500	on_skill_attack => sub {
		501	my ($self, $victim) = @_;
		502	...
		503	}
		504	}
		505
		506	=item $attachable->valid
		507
		508	Just because you have a perl object does not mean that the corresponding
		509	C-level object still exists. If you try to access an object that has no
		510	valid C counterpart anymore you get an exception at runtime. This method
		511	can be used to test for existence of the C object part without causing an
		512	exception.
		513
208	=cut	514	=cut
209		515
210	# the following variables are defined in .xs and must not be re-created	516	# the following variables are defined in .xs and must not be re-created
211	our @CB_GLOBAL = (); # registry for all global events	517	our @CB_GLOBAL = (); # registry for all global events
		518	our @CB_ATTACHABLE = (); # registry for all attachables
212	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	519	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
213	our @CB_PLAYER = ();	520	our @CB_PLAYER = ();
214	our @CB_CLIENT = ();	521	our @CB_CLIENT = ();
215	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
216	our @CB_MAP = ();	523	our @CB_MAP = ();
217		524
218	my %attachment;	525	my %attachment;
		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
219		532
220	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
221	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
222		535
223	use sort 'stable';	536	use sort 'stable';
…		…
226		539
227	@{$registry->[$event]} = sort	540	@{$registry->[$event]} = sort
228	{ $a->[0] cmp $b->[0] }	541	{ $a->[0] cmp $b->[0] }
229	@{$registry->[$event] || []}, $cb;	542	@{$registry->[$event] || []}, $cb;
230	}	543	}
		544
		545	# hack
		546	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
231		547
232	# attach handles attaching event callbacks	548	# attach handles attaching event callbacks
233	# the only thing the caller has to do is pass the correct	549	# the only thing the caller has to do is pass the correct
234	# registry (== where the callback attaches to).	550	# registry (== where the callback attaches to).
235	sub _attach {	551	sub _attach {
…		…
237		553
238	my $object_type;	554	my $object_type;
239	my $prio = 0;	555	my $prio = 0;
240	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	556	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
241		557
		558	#TODO: get rid of this hack
		559	if ($attachable_klass{$klass}) {
		560	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		561	}
		562
242	while (@arg) {	563	while (@arg) {
243	my $type = shift @arg;	564	my $type = shift @arg;
244		565
245	if ($type eq "prio") {	566	if ($type eq "prio") {
246	$prio = shift @arg;	567	$prio = shift @arg;
…		…
321	my ($obj, $name) = @_;	642	my ($obj, $name) = @_;
322		643
323	exists $obj->{_attachment}{$name}	644	exists $obj->{_attachment}{$name}
324	}	645	}
325		646
326	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	647	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
327	eval "#line " . __LINE__ . " 'cf.pm'	648	eval "#line " . __LINE__ . " 'cf.pm'
328	sub cf::\L$klass\E::_attach_registry {	649	sub cf::\L$klass\E::_attach_registry {
329	(\\\@CB_$klass, KLASS_$klass)	650	(\\\@CB_$klass, KLASS_$klass)
330	}	651	}
331		652
…		…
367	}	688	}
368		689
369	0	690	0
370	}	691	}
371		692
372	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
373		694
374	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
375
376	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
377
378	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)	695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
379		696
380	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
381
382	Generate a global/object/player/map-specific event with the given arguments.	697	Generate an object-specific event with the given arguments.
383		698
384	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
385	removed in future versions), and there is no public API to access override	700	removed in future versions), and there is no public API to access override
386	results (if you must, access C<@cf::invoke_results> directly).	701	results (if you must, access C<@cf::invoke_results> directly).
387		702
388	=back	703	=back
389		704
390	=cut	705	=cut
391		706
392	#############################################################################	707	#############################################################################
393
394	=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
395
396	Attachable objects includes objects, players, clients and maps.
397
398	=over 4
399
400	=item $object->valid
401
402	Just because you have a perl object does not mean that the corresponding
403	C-level object still exists. If you try to access an object that has no
404	valid C counterpart anymore you get an exception at runtime. This method
405	can be used to test for existence of the C object part without causing an
406	exception.
407
408	=back
409
410	=cut
411
412	#############################################################################
413	# object support	708	# object support
414		709
415	sub instantiate {
416	my ($obj, $data) = @_;
417
418	$data = from_json $data;
419
420	for (@$data) {
421	my ($name, $args) = @$_;
422
423	$obj->attach ($name, %{$args || {} });
424	}
425	}
426
427	# basically do the same as instantiate, without calling instantiate
428	sub reattach {	710	sub reattach {
		711	# basically do the same as instantiate, without calling instantiate
429	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
		715
430	my $registry = $obj->registry;	716	my $registry = $obj->registry;
431		717
432	@$registry = ();	718	@$registry = ();
433		719
434	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	720	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
443	warn "object uses attachment '$name' that is not available, postponing.\n";	729	warn "object uses attachment '$name' that is not available, postponing.\n";
444	}	730	}
445	}	731	}
446	}	732	}
447		733
448	sub object_freezer_save {	734	cf::attachable->attach (
449	my ($filename, $rdata, $objs) = @_;
450
451	if (length $$rdata) {
452	warn sprintf "saving %s (%d,%d)\n",
453	$filename, length $$rdata, scalar @$objs;
454
455	if (open my $fh, ">:raw", "$filename~") {
456	chmod SAVE_MODE, $fh;
457	syswrite $fh, $$rdata;
458	close $fh;
459
460	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
461	chmod SAVE_MODE, $fh;
462	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
463	close $fh;
464	rename "$filename.pst~", "$filename.pst";
465	} else {
466	unlink "$filename.pst";
467	}
468
469	rename "$filename~", $filename;
470	} else {
471	warn "FATAL: $filename~: $!\n";
472	}
473	} else {
474	unlink $filename;
475	unlink "$filename.pst";
476	}
477	}
478
479	sub object_freezer_as_string {
480	my ($rdata, $objs) = @_;
481
482	use Data::Dumper;
483
484	$$rdata . Dumper $objs
485	}
486
487	sub object_thawer_load {
488	my ($filename) = @_;
489
490	local $/;
491
492	my $av;
493
494	#TODO: use sysread etc.
495	if (open my $data, "<:raw:perlio", $filename) {
496	$data = <$data>;
497	if (open my $pst, "<:raw:perlio", "$filename.pst") {
498	$av = eval { (Storable::thaw <$pst>)->{objs} };
499	}
500	return ($data, $av);
501	}
502
503	()
504	}
505
506	cf::object->attach (
507	prio => -1000000,	735	prio => -1000000,
		736	on_instantiate => sub {
		737	my ($obj, $data) = @_;
		738
		739	$data = from_json $data;
		740
		741	for (@$data) {
		742	my ($name, $args) = @$_;
		743
		744	$obj->attach ($name, %{$args || {} });
		745	}
		746	},
		747	on_reattach => \&reattach,
508	on_clone => sub {	748	on_clone => sub {
509	my ($src, $dst) = @_;	749	my ($src, $dst) = @_;
510		750
511	@{$dst->registry} = @{$src->registry};	751	@{$dst->registry} = @{$src->registry};
512		752
…		…
515	%{$dst->{_attachment}} = %{$src->{_attachment}}	755	%{$dst->{_attachment}} = %{$src->{_attachment}}
516	if exists $src->{_attachment};	756	if exists $src->{_attachment};
517	},	757	},
518	);	758	);
519		759
		760	sub object_freezer_save {
		761	my ($filename, $rdata, $objs) = @_;
		762
		763	sync_job {
		764	if (length $$rdata) {
		765	warn sprintf "saving %s (%d,%d)\n",
		766	$filename, length $$rdata, scalar @$objs;
		767
		768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		769	chmod SAVE_MODE, $fh;
		770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		771	aio_fsync $fh if $cf::USE_FSYNC;
		772	close $fh;
		773
		774	if (@$objs) {
		775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		776	chmod SAVE_MODE, $fh;
		777	my $data = Storable::nfreeze { version => 1, objs => $objs };
		778	aio_write $fh, 0, (length $data), $data, 0;
		779	aio_fsync $fh if $cf::USE_FSYNC;
		780	close $fh;
		781	aio_rename "$filename.pst~", "$filename.pst";
		782	}
		783	} else {
		784	aio_unlink "$filename.pst";
		785	}
		786
		787	aio_rename "$filename~", $filename;
		788	} else {
		789	warn "FATAL: $filename~: $!\n";
		790	}
		791	} else {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
		795	}
		796	}
		797
		798	sub object_freezer_as_string {
		799	my ($rdata, $objs) = @_;
		800
		801	use Data::Dumper;
		802
		803	$$rdata . Dumper $objs
		804	}
		805
		806	sub object_thawer_load {
		807	my ($filename) = @_;
		808
		809	my ($data, $av);
		810
		811	(aio_load $filename, $data) >= 0
		812	or return;
		813
		814	unless (aio_stat "$filename.pst") {
		815	(aio_load "$filename.pst", $av) >= 0
		816	or return;
		817	$av = eval { (Storable::thaw $av)->{objs} };
		818	}
		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
		822	return ($data, $av);
		823	}
		824
520	#############################################################################	825	#############################################################################
521	# command handling &c	826	# command handling &c
522		827
523	=item cf::register_command $name => \&callback($ob,$args);	828	=item cf::register_command $name => \&callback($ob,$args);
524		829
…		…
546	=cut	851	=cut
547		852
548	sub register_extcmd {	853	sub register_extcmd {
549	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
550		855
551	my $caller = caller;
552	#warn "registering extcmd '$name' to '$caller'";
553
554	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
555	}	857	}
556		858
557	cf::player->attach (	859	cf::player->attach (
558	on_command => sub {	860	on_command => sub {
559	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
572		874
573	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
574		876
575	if (ref $msg) {	877	if (ref $msg) {
576	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
577	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
578	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
579	}	881	}
580	}	882	}
581	} else {	883	} else {
582	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
584		886
585	cf::override;	887	cf::override;
586	},	888	},
587	);	889	);
588		890
589	sub register {
590	my ($base, $pkg) = @_;
591
592	#TODO
593	}
594
595	sub load_extension {	891	sub load_extension {
596	my ($path) = @_;	892	my ($path) = @_;
597		893
598	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
599	my $base = $1;	895	my $base = $1;
600	my $pkg = $1;	896	my $pkg = $1;
601	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
602	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
603		899
604	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
605		901
606	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
607	or die "$path: $!";	903	or die "$path: $!";
608		904
609	my $source =	905	my $source =
610	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
611	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
612	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
613	. "\n};\n1";	909	. "\n};\n1";
614		910
615	eval $source	911	unless (eval $source) {
616	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
617	: "extension disabled.\n";	913	: "extension disabled.\n";
618		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
619	push @exts, $pkg;	915	warn $@;
620	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
621		917	exit 1;
622	# no strict 'refs';	918	}
623	# @{"$pkg\::ISA"} = ext::;	919	die $@;
624
625	register $base, $pkg;
626	}
627
628	sub unload_extension {
629	my ($pkg) = @_;
630
631	warn "removing extension $pkg\n";
632
633	# remove hooks
634	#TODO
635	# for my $idx (0 .. $#PLUGIN_EVENT) {
636	# delete $hook[$idx]{$pkg};
637	# }	920	}
638		921
639	# remove commands	922	push @EXTS, $pkg;
640	for my $name (keys %COMMAND) {
641	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
642
643	if (@cb) {
644	$COMMAND{$name} = \@cb;
645	} else {
646	delete $COMMAND{$name};
647	}
648	}
649
650	# remove extcmds
651	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
652	delete $EXTCMD{$name};
653	}
654
655	if (my $cb = $pkg->can ("unload")) {
656	eval {
657	$cb->($pkg);
658	1
659	} or warn "$pkg unloaded, but with errors: $@";
660	}
661
662	Symbol::delete_package $pkg;
663	}	923	}
664		924
665	sub load_extensions {	925	sub load_extensions {
666	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
667	next unless -r $ext;	927	next unless -r $ext;
…		…
671	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
672	}	932	}
673	}	933	}
674		934
675	#############################################################################	935	#############################################################################
676	# load/save/clean perl data associated with a map
677		936
678	*cf::mapsupport::on_clean = sub {	937	=head2 CORE EXTENSIONS
		938
		939	Functions and methods that extend core crossfire objects.
		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
		947	=head3 cf::player
		948
		949	=over 4
		950
		951	=item cf::player::find $login
		952
		953	Returns the given player object, loading it if necessary (might block).
		954
		955	=cut
		956
		957	sub playerdir($) {
		958	cf::localdir
		959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
		1129	=item $player->ext_reply ($msgid, %msg)
		1130
		1131	Sends an ext reply to the player.
		1132
		1133	=cut
		1134
		1135	sub ext_reply($$%) {
		1136	my ($self, $id, %msg) = @_;
		1137
		1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
		1156
		1157	=back
		1158
		1159
		1160	=head3 cf::map
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::map;
		1167
		1168	use Fcntl;
		1169	use Coro::AIO;
		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
		1175	our $MAX_RESET = 3600;
		1176	our $DEFAULT_RESET = 3000;
		1177
		1178	sub generate_random_map {
		1179	my ($self, $rmp) = @_;
		1180	# mit "rum" bekleckern, nicht
		1181	$self->_create_random_map (
		1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1185	$rmp->{exit_on_final_map},
		1186	$rmp->{xsize}, $rmp->{ysize},
		1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1323	}
		1324
		1325	# and all this just because we cannot iterate over
		1326	# all maps in C++...
		1327	sub change_all_map_light {
		1328	my ($change) = @_;
		1329
		1330	$_->change_map_light ($change)
		1331	for grep $_->outdoor, values %cf::MAP;
		1332	}
		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
		1342	sub load_header_from($) {
		1343	my ($self, $path) = @_;
		1344
		1345	utf8::encode $path;
		1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
		1350	or return;
		1351
		1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
		1395	or return;
		1396	$self->prepare_orig;
		1397	}
		1398
		1399	1
		1400	}
		1401
		1402	sub find;
		1403	sub find {
		1404	my ($path, $origin) = @_;
		1405
		1406	$path = normalise $path, $origin && $origin->path;
		1407
		1408	cf::lock_wait "map_find:$path";
		1409
		1410	$cf::MAP{$path} || do {
		1411	my $guard = cf::lock_acquire "map_find:$path";
		1412	my $map = new_from_path cf::map $path
		1413	or return;
		1414
		1415	$map->{last_save} = $cf::RUNTIME;
		1416
		1417	$map->load_header
		1418	or return;
		1419
		1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
		1423	$map->reset;
		1424	undef $guard;
		1425	return find $path;
		1426	}
		1427
		1428	$cf::MAP{$path} = $map
		1429	}
		1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
		1434
		1435	sub load {
		1436	my ($self) = @_;
		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
		1440	my $path = $self->{path};
		1441	my $guard = cf::lock_acquire "map_load:$path";
		1442
		1443	return if $self->in_memory != cf::MAP_SWAPPED;
		1444
		1445	$self->in_memory (cf::MAP_LOADING);
		1446
		1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
		1451	$self->_load_objects ($self->{load_path}, 1)
		1452	or return;
		1453
		1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1455	if delete $self->{load_original};
		1456
		1457	if (my $uniq = $self->uniq_path) {
		1458	utf8::encode $uniq;
		1459	if (aio_open $uniq, O_RDONLY, 0) {
		1460	$self->clear_unique_items;
		1461	$self->_load_objects ($uniq, 0);
		1462	}
		1463	}
		1464
		1465	Coro::cede;
		1466
		1467	# now do the right thing for maps
		1468	$self->link_multipart_objects;
		1469
		1470	unless ($self->{deny_activate}) {
		1471	$self->decay_objects;
		1472	$self->fix_auto_apply;
		1473	$self->update_buttons;
		1474	Coro::cede;
		1475	$self->set_darkness_map;
		1476	$self->difficulty ($self->estimate_difficulty)
		1477	unless $self->difficulty;
		1478	Coro::cede;
		1479	$self->activate;
		1480	}
		1481
		1482	$self->post_load;
		1483
		1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
679	my ($map) = @_;	1498	my ($map) = @_;
680		1499
681	my $path = $map->tmpname;	1500	my @diag; # diagonal neighbours
682	defined $path or return;
683		1501
684	unlink "$path.pst";	1502	for (0 .. 3) {
685	};	1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
686		1508
687	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
688		1512
689	#############################################################################	1513	for (@diag) {
690	# load/save perl data associated with player->ob objects	1514	my $neigh = find @$_
691		1515	or next;
692	sub all_objects(@) {	1516	$neigh->load;
693	@_, map all_objects ($_->inv), @_	1517	}
694	}	1518	}
695		1519
696	# TODO: compatibility cruft, remove when no longer needed	1520	sub find_sync {
697	cf::player->attach (	1521	my ($path, $origin) = @_;
698	on_load => sub {
699	my ($pl, $path) = @_;
700		1522
701	for my $o (all_objects $pl->ob) {	1523	cf::sync_job { find $path, $origin }
702	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1524	}
703	$o->set_ob_key_value ("_perl_data");
704		1525
705	%$o = %{ Storable::thaw pack "H*", $value };	1526	sub do_load_sync {
		1527	my ($map) = @_;
		1528
		1529	cf::sync_job { $map->load };
		1530	}
		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
706	}	1553	}
707	}	1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
		1562	sub save {
		1563	my ($self) = @_;
		1564
		1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1566
		1567	$self->{last_save} = $cf::RUNTIME;
		1568
		1569	return unless $self->dirty;
		1570
		1571	my $save = $self->save_path; utf8::encode $save;
		1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1573
		1574	$self->{load_path} = $save;
		1575
		1576	return if $self->{deny_save};
		1577
		1578	local $self->{last_access} = $self->last_access;#d#
		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
		1584	if ($uniq) {
		1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1587	} else {
		1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
708	},	1589	}
709	);	1590	}
710		1591
711	#############################################################################	1592	sub swap_out {
		1593	my ($self) = @_;
712		1594
713	=head2 CORE EXTENSIONS	1595	# save first because save cedes
		1596	$self->save;
714		1597
715	Functions and methods that extend core crossfire objects.	1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1599
		1600	return if $self->players;
		1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1602	return if $self->{deny_save};
		1603
		1604	$self->clear;
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	}
		1607
		1608	sub reset_at {
		1609	my ($self) = @_;
		1610
		1611	# TODO: safety, remove and allow resettable per-player maps
		1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1613	return 1e99 if $self->{deny_reset};
		1614
		1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1617
		1618	$time + $to
		1619	}
		1620
		1621	sub should_reset {
		1622	my ($self) = @_;
		1623
		1624	$self->reset_at <= $cf::RUNTIME
		1625	}
		1626
		1627	sub reset {
		1628	my ($self) = @_;
		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
		1632	return if $self->players;
		1633	return if $self->isa ("ext::map_per_player");#d#
		1634
		1635	warn "resetting map ", $self->path;#d#
		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
		1650
		1651	$_->clear_links_to ($self) for values %cf::MAP;
		1652
		1653	$self->unlink_save;
		1654	$self->destroy;
		1655	}
		1656
		1657	my $nuke_counter = "aaaa";
		1658
		1659	sub nuke {
		1660	my ($self) = @_;
		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
		1668	$self->{deny_save} = 1;
		1669	$self->reset_timeout (1);
		1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
		1674	$self->reset; # polite request, might not happen
		1675	}
		1676
		1677	=item cf::map::unique_maps
		1678
		1679	Returns an arrayref of paths of all shared maps that have
		1680	instantiated unique items. May block.
		1681
		1682	=cut
		1683
		1684	sub unique_maps() {
		1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
		1687
		1688	my @paths;
		1689
		1690	for (@$files) {
		1691	utf8::decode $_;
		1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
		1696	}
		1697
		1698	\@paths
		1699	}
		1700
		1701	package cf;
		1702
		1703	=back
		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
716		1710
717	=over 4	1711	=over 4
718		1712
719	=item cf::player::exists $login	1713	=item $ob->inv_recursive
720		1714
721	Returns true when the given account exists.	1715	Returns the inventory of the object _and_ their inventories, recursively.
722		1716
723	=cut	1717	=cut
724		1718
725	sub cf::player::exists($) {	1719	sub inv_recursive_;
726	cf::player::find $_[0]	1720	sub inv_recursive_ {
727	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1721	map { $_, inv_recursive_ $_->inv } @_
728	}	1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
		1731
		1732	=head3 cf::object::player
		1733
		1734	=over 4
729		1735
730	=item $player_object->reply ($npc, $msg[, $flags])	1736	=item $player_object->reply ($npc, $msg[, $flags])
731		1737
732	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
733	can be C<undef>. Does the right thing when the player is currently in a	1739	can be C<undef>. Does the right thing when the player is currently in a
…		…
735		1741
736	=cut	1742	=cut
737		1743
738	# rough implementation of a future "reply" method that works	1744	# rough implementation of a future "reply" method that works
739	# with dialog boxes.	1745	# with dialog boxes.
		1746	#TODO: the first argument must go, split into a $npc->reply_to ( method
740	sub cf::object::player::reply($$$;$) {	1747	sub cf::object::player::reply($$$;$) {
741	my ($self, $npc, $msg, $flags) = @_;	1748	my ($self, $npc, $msg, $flags) = @_;
742		1749
743	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
744		1751
…		…
748	$msg = $npc->name . " says: $msg" if $npc;	1755	$msg = $npc->name . " says: $msg" if $npc;
749	$self->message ($msg, $flags);	1756	$self->message ($msg, $flags);
750	}	1757	}
751	}	1758	}
752		1759
753	=item $player->ext_reply ($msgid, $msgtype, %msg)
754
755	Sends an ext reply to the player.
756
757	=cut
758
759	sub cf::player::ext_reply($$$%) {
760	my ($self, $id, %msg) = @_;
761
762	$msg{msgid} = $id;
763
764	$self->send ("ext " . to_json \%msg);
765	}
766
767	=item $player_object->may ("access")	1760	=item $player_object->may ("access")
768		1761
769	Returns wether the given player is authorized to access resource "access"	1762	Returns wether the given player is authorized to access resource "access"
770	(e.g. "command_wizcast").	1763	(e.g. "command_wizcast").
771		1764
…		…
778	(ref $cf::CFG{"may_$access"}	1771	(ref $cf::CFG{"may_$access"}
779	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1772	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
780	: $cf::CFG{"may_$access"})	1773	: $cf::CFG{"may_$access"})
781	}	1774	}
782		1775
783	=cut	1776	=item $player_object->enter_link
784		1777
785	#############################################################################	1778	Freezes the player and moves him/her to a special map (C<{link}>).
		1779
		1780	The player should be reasonably safe there for short amounts of time. You
		1781	I<MUST> call C<leave_link> as soon as possible, though.
		1782
		1783	Will never block.
		1784
		1785	=item $player_object->leave_link ($map, $x, $y)
		1786
		1787	Moves the player out of the special C<{link}> map onto the specified
		1788	map. If the map is not valid (or omitted), the player will be moved back
		1789	to the location he/she was before the call to C<enter_link>, or, if that
		1790	fails, to the emergency map position.
		1791
		1792	Might block.
		1793
		1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
		1805
		1806	sub cf::object::player::enter_link {
		1807	my ($self) = @_;
		1808
		1809	$self->deactivate_recursive;
		1810
		1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1812
		1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1814	if $self->map;
		1815
		1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1817	}
		1818
		1819	sub cf::object::player::leave_link {
		1820	my ($self, $map, $x, $y) = @_;
		1821
		1822	my $link_pos = delete $self->{_link_pos};
		1823
		1824	unless ($map) {
		1825	# restore original map position
		1826	($map, $x, $y) = @{ $link_pos || [] };
		1827	$map = cf::map::find $map;
		1828
		1829	unless ($map) {
		1830	($map, $x, $y) = @$EMERGENCY_POSITION;
		1831	$map = cf::map::find $map
		1832	or die "FATAL: cannot load emergency map\n";
		1833	}
		1834	}
		1835
		1836	($x, $y) = (-1, -1)
		1837	unless (defined $x) && (defined $y);
		1838
		1839	# use -1 or undef as default coordinates, not 0, 0
		1840	($x, $y) = ($map->enter_x, $map->enter_y)
		1841	if $x <=0 && $y <= 0;
		1842
		1843	$map->load;
		1844	$map->load_diag;
		1845
		1846	return unless $self->contr->active;
		1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		1850	$self->enter_map ($map, $x, $y);
		1851	}
		1852
		1853	cf::player->attach (
		1854	on_logout => sub {
		1855	my ($pl) = @_;
		1856
		1857	# abort map switching before logout
		1858	if ($pl->ob->{_link_pos}) {
		1859	cf::sync_job {
		1860	$pl->ob->leave_link
		1861	};
		1862	}
		1863	},
		1864	on_login => sub {
		1865	my ($pl) = @_;
		1866
		1867	# try to abort aborted map switching on player login :)
		1868	# should happen only on crashes
		1869	if ($pl->ob->{_link_pos}) {
		1870	$pl->ob->enter_link;
		1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
		1878	Coro::Timer::sleep 1;
		1879	$pl->ob->leave_link;
		1880	})->prio (2);
		1881	}
		1882	},
		1883	);
		1884
		1885	=item $player_object->goto ($path, $x, $y)
		1886
		1887	=cut
		1888
		1889	sub cf::object::player::goto {
		1890	my ($self, $path, $x, $y) = @_;
		1891
		1892	$self->enter_link;
		1893
		1894	(async {
		1895	my $map = eval {
		1896	my $map = cf::map::find $path;
		1897	$map = $map->customise_for ($self) if $map;
		1898	$map
		1899	} or
		1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1901
		1902	$self->leave_link ($map, $x, $y);
		1903	})->prio (1);
		1904	}
		1905
		1906	=item $player_object->enter_exit ($exit_object)
		1907
		1908	=cut
		1909
		1910	sub parse_random_map_params {
		1911	my ($spec) = @_;
		1912
		1913	my $rmp = { # defaults
		1914	xsize => (cf::rndm 15, 40),
		1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
		1918	};
		1919
		1920	for (split /\n/, $spec) {
		1921	my ($k, $v) = split /\s+/, $_, 2;
		1922
		1923	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1924	}
		1925
		1926	$rmp
		1927	}
		1928
		1929	sub prepare_random_map {
		1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1933
		1934	# all this does is basically replace the /! path by
		1935	# a new random map path (?random/...) with a seed
		1936	# that depends on the exit object
		1937
		1938	my $rmp = parse_random_map_params $exit->msg;
		1939
		1940	if ($exit->map) {
		1941	$rmp->{region} = $exit->region->name;
		1942	$rmp->{origin_map} = $exit->map->path;
		1943	$rmp->{origin_x} = $exit->x;
		1944	$rmp->{origin_y} = $exit->y;
		1945	}
		1946
		1947	$rmp->{random_seed} ||= $exit->random_seed;
		1948
		1949	my $data = cf::to_json $rmp;
		1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1952
		1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
		1957
		1958	$exit->slaying ("?random/$md5");
		1959	$exit->msg (undef);
		1960	}
		1961	}
		1962
		1963	sub cf::object::player::enter_exit {
		1964	my ($self, $exit) = @_;
		1965
		1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
		1976
		1977	$self->enter_link;
		1978
		1979	(async {
		1980	$self->deactivate_recursive; # just to be sure
		1981	unless (eval {
		1982	$self->goto ($slaying, $hp, $sp);
		1983
		1984	1;
		1985	}) {
		1986	$self->message ("Something went wrong deep within the crossfire server. "
		1987	. "I'll try to bring you back to the map you were before. "
		1988	. "Please report this to the dungeon master!",
		1989	cf::NDI_UNIQUE | cf::NDI_RED);
		1990
		1991	warn "ERROR in enter_exit: $@";
		1992	$self->leave_link;
		1993	}
		1994	})->prio (1);
		1995	}
		1996
		1997	=head3 cf::client
		1998
		1999	=over 4
		2000
		2001	=item $client->send_drawinfo ($text, $flags)
		2002
		2003	Sends a drawinfo packet to the client. Circumvents output buffering so
		2004	should not be used under normal circumstances.
		2005
		2006	=cut
		2007
		2008	sub cf::client::send_drawinfo {
		2009	my ($self, $text, $flags) = @_;
		2010
		2011	utf8::encode $text;
		2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2013	}
		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
		2027
		2028	=item $success = $client->query ($flags, "text", \&cb)
		2029
		2030	Queues a query to the client, calling the given callback with
		2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		2033
		2034	Queries can fail, so check the return code. Or don't, as queries will become
		2035	reliable at some point in the future.
		2036
		2037	=cut
		2038
		2039	sub cf::client::query {
		2040	my ($self, $flags, $text, $cb) = @_;
		2041
		2042	return unless $self->state == ST_PLAYING
		2043	|| $self->state == ST_SETUP
		2044	|| $self->state == ST_CUSTOM;
		2045
		2046	$self->state (ST_CUSTOM);
		2047
		2048	utf8::encode $text;
		2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		2050
		2051	$self->send_packet ($self->{query_queue}[0][0])
		2052	if @{ $self->{query_queue} } == 1;
		2053	}
		2054
		2055	cf::client->attach (
		2056	on_reply => sub {
		2057	my ($ns, $msg) = @_;
		2058
		2059	# this weird shuffling is so that direct followup queries
		2060	# get handled first
		2061	my $queue = delete $ns->{query_queue}
		2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
		2063
		2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
		2066
		2067	push @{ $ns->{query_queue} }, @$queue;
		2068
		2069	if (@{ $ns->{query_queue} } == @$queue) {
		2070	if (@$queue) {
		2071	$ns->send_packet ($ns->{query_queue}[0][0]);
		2072	} else {
		2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		2074	}
		2075	}
		2076	},
		2077	);
		2078
		2079	=item $client->async (\&cb)
		2080
		2081	Create a new coroutine, running the specified callback. The coroutine will
		2082	be automatically cancelled when the client gets destroyed (e.g. on logout,
		2083	or loss of connection).
		2084
		2085	=cut
		2086
		2087	sub cf::client::async {
		2088	my ($self, $cb) = @_;
		2089
		2090	my $coro = &Coro::async ($cb);
		2091
		2092	$coro->on_destroy (sub {
		2093	delete $self->{_coro}{$coro+0};
		2094	});
		2095
		2096	$self->{_coro}{$coro+0} = $coro;
		2097
		2098	$coro
		2099	}
		2100
		2101	cf::client->attach (
		2102	on_destroy => sub {
		2103	my ($ns) = @_;
		2104
		2105	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		2106	},
		2107	);
		2108
		2109	=back
		2110
786		2111
787	=head2 SAFE SCRIPTING	2112	=head2 SAFE SCRIPTING
788		2113
789	Functions that provide a safe environment to compile and execute	2114	Functions that provide a safe environment to compile and execute
790	snippets of perl code without them endangering the safety of the server	2115	snippets of perl code without them endangering the safety of the server
…		…
803		2128
804	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
805		2130
806	=pod	2131	=pod
807		2132
808	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
809		2134
810	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
811	cf::object::player player	2136	cf::object::player player
812	cf::player peaceful	2137	cf::player peaceful
813	cf::map trigger	2138	cf::map trigger
…		…
906	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
907	using it, it should be unique.	2232	using it, it should be unique.
908		2233
909	=over 4	2234	=over 4
910		2235
911	=item $hashref = cf::db_get $family
912
913	Return a hashref for use by the extension C<$family>, which can be
914	modified. After modifications, you have to call C<cf::db_dirty> or
915	C<cf::db_sync>.
916
917	=item $value = cf::db_get $family => $key	2236	=item $value = cf::db_get $family => $key
918		2237
919	Returns a single value from the database	2238	Returns a single value from the database.
920
921	=item cf::db_put $family => $hashref
922
923	Stores the given family hashref into the database. Updates are delayed, if
924	you want the data to be synced to disk immediately, use C<cf::db_sync>.
925		2239
926	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
927		2241
928	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	Stores the given C<$value> in the family.
929	want the data to be synced to disk immediately, use C<cf::db_sync>.
930
931	=item cf::db_dirty
932
933	Marks the database as dirty, to be updated at a later time.
934
935	=item cf::db_sync
936
937	Immediately write the database to disk I<if it is dirty>.
938		2243
939	=cut	2244	=cut
940		2245
941	our $DB;	2246	our $DB;
942		2247
943	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
944	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
945		2267
946	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
947	warn "loading database $path\n";#d# remove later	2269	cf::db_put (guildrules => data => $pst->{guildrules});
948	$DB = stat $path ? Storable::retrieve $path : { };	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
949	}	2271	BDB::db_env_txn_checkpoint $DB_ENV;
950		2272
951	my $pid;	2273	unlink $path;
952
953	sub db_save() {
954	warn "saving database $path\n";#d# remove later
955	waitpid $pid, 0 if $pid;
956	if (0 == ($pid = fork)) {
957	$DB->{_meta}{version} = 1;
958	Storable::nstore $DB, "$path~";
959	rename "$path~", $path;
960	cf::_exit 0 if defined $pid;
961	}	2274	};
962	}	2275	}
963
964	my $dirty;
965
966	sub db_sync() {
967	db_save if $dirty;
968	undef $dirty;
969	}
970
971	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
972	db_sync;
973	});	2276	}
		2277	}
974		2278
975	sub db_dirty() {
976	$dirty = 1;
977	$idle->start;
978	}
979
980	sub db_get($;$) {	2279	sub db_get($$) {
981	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
982	? $DB->{$_[0]}{$_[1]}
983	: ($DB->{$_[0]} ||= { })
984	}
985		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
986	sub db_put($$;$) {	2290	sub db_put($$$) {
987	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
988	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
989	} else {	2329	} else {
990	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
991	}
992	db_dirty;
993	}
994
995	cf::global->attach (
996	prio => 10000,
997	on_cleanup => sub {
998	db_sync;
999	},	2331	}
1000	);	2332	Coro::cede;
1001	}	2333	}
1002		2334
1003	#############################################################################	2335	1
1004	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
1005		2348
1006	sub cfg_load {	2349	sub cfg_load {
1007	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
1008	or return;	2351	or return;
1009		2352
1010	local $/;	2353	local $/;
1011	*CFG = YAML::Syck::Load <$fh>;	2354	*CFG = YAML::Syck::Load <$fh>;
		2355
		2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2357
		2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2360
		2361	if (exists $CFG{mlockall}) {
		2362	eval {
		2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2364	and die "WARNING: m(un)lockall failed: $!\n";
		2365	};
		2366	warn $@ if $@;
		2367	}
1012	}	2368	}
1013		2369
1014	sub main {	2370	sub main {
		2371	# we must not ever block the main coroutine
		2372	local $Coro::idle = sub {
		2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2374	(async {
		2375	Event::one_event;
		2376	})->prio (Coro::PRIO_MAX);
		2377	};
		2378
1015	cfg_load;	2379	cfg_load;
1016	db_load;	2380	db_init;
1017	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
1018	Event::loop;	2384	Event::loop;
1019	}	2385	}
1020		2386
1021	#############################################################################	2387	#############################################################################
1022	# initialisation	2388	# initialisation and cleanup
1023		2389
		2390	# install some emergency cleanup handlers
		2391	BEGIN {
		2392	for my $signal (qw(INT HUP TERM)) {
		2393	Event->signal (
		2394	reentrant => 0,
		2395	data => WF_AUTOCANCEL,
		2396	signal => $signal,
		2397	prio => 0,
		2398	cb => sub {
		2399	cf::cleanup "SIG$signal";
		2400	},
		2401	);
		2402	}
		2403	}
		2404
		2405	sub emergency_save() {
		2406	my $freeze_guard = cf::freeze_mainloop;
		2407
		2408	warn "enter emergency perl save\n";
		2409
		2410	cf::sync_job {
		2411	# use a peculiar iteration method to avoid tripping on perl
		2412	# refcount bugs in for. also avoids problems with players
		2413	# and maps saved/destroyed asynchronously.
		2414	warn "begin emergency player save\n";
		2415	for my $login (keys %cf::PLAYER) {
		2416	my $pl = $cf::PLAYER{$login} or next;
		2417	$pl->valid or next;
		2418	$pl->save;
		2419	}
		2420	warn "end emergency player save\n";
		2421
		2422	warn "begin emergency map save\n";
		2423	for my $path (keys %cf::MAP) {
		2424	my $map = $cf::MAP{$path} or next;
		2425	$map->valid or next;
		2426	$map->save;
		2427	}
		2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
		2433	};
		2434
		2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
		2443	}
		2444
1024	sub _perl_reload(&) {	2445	sub reload() {
1025	my ($msg) = @_;	2446	# can/must only be called in main
		2447	if ($Coro::current != $Coro::main) {
		2448	warn "can only reload from main coroutine";
		2449	return;
		2450	}
1026		2451
1027	$msg->("reloading...");	2452	warn "reloading...";
1028		2453
1029	eval {	2454	warn "entering sync_job";
1030	# cancel all watchers	2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
		2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
		2460
		2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
		2464	# if anything goes wrong in here, we should simply crash as we already saved
		2465
		2466	warn "cancelling all WF_AUTOCANCEL watchers";
1031	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
1032	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
1033	}	2469	}
1034		2470
1035	# unload all extensions	2471	warn "flushing outstanding aio requests";
1036	for (@exts) {	2472	for (;;) {
1037	$msg->("unloading <$_>");	2473	BDB::flush;
1038	unload_extension $_;	2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
		2482	warn "cancelling all extension coros";
		2483	$_->cancel for values %EXT_CORO;
		2484	%EXT_CORO = ();
		2485
		2486	warn "removing commands";
		2487	%COMMAND = ();
		2488
		2489	warn "removing ext commands";
		2490	%EXTCMD = ();
		2491
		2492	warn "unloading/nuking all extensions";
		2493	for my $pkg (@EXTS) {
		2494	warn "... unloading $pkg";
		2495
		2496	if (my $cb = $pkg->can ("unload")) {
		2497	eval {
		2498	$cb->($pkg);
		2499	1
		2500	} or warn "$pkg unloaded, but with errors: $@";
1039	}	2501	}
1040		2502
		2503	warn "... nuking $pkg";
		2504	Symbol::delete_package $pkg;
		2505	}
		2506
1041	# unload all modules loaded from $LIBDIR	2507	warn "unloading all perl modules loaded from $LIBDIR";
1042	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
1043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1044		2510
1045	$msg->("removing <$k>");	2511	warn "... unloading $k";
1046	delete $INC{$k};	2512	delete $INC{$k};
1047		2513
1048	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
1049	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
1050		2516
…		…
1053	}	2519	}
1054		2520
1055	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
1056	}	2522	}
1057		2523
1058	# sync database to disk
1059	cf::db_sync;
1060
1061	# get rid of safe::, as good as possible	2524	warn "getting rid of safe::, as good as possible";
1062	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
1063	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1064		2527
1065	# remove register_script_function callbacks
1066	# TODO
1067
1068	# unload cf.pm "a bit"	2528	warn "unloading cf.pm \"a bit\"";
1069	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
1070		2530
1071	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
1072	# and global variables created in xs	2532	# and global variables created in xs
1073	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
1074		2534
1075	# reload cf.pm	2535	warn "unload completed, starting to reload now";
		2536
1076	$msg->("reloading cf.pm");	2537	warn "reloading cf.pm";
1077	require cf;	2538	require cf;
		2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1078		2540
1079	# load config and database again	2541	warn "loading config and database again";
1080	cf::cfg_load;	2542	cf::cfg_load;
1081	cf::db_load;
1082		2543
1083	# load extensions	2544	warn "loading extensions";
1084	$msg->("load extensions");
1085	cf::load_extensions;	2545	cf::load_extensions;
1086		2546
1087	# reattach attachments to objects	2547	warn "reattaching attachments to objects/players";
1088	$msg->("reattach");	2548	_global_reattach; # objects, sockets
1089	_global_reattach;	2549	warn "reattaching attachments to maps";
		2550	reattach $_ for values %MAP;
		2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
		2553
		2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
		2561	warn $@;
		2562	warn "error while reloading, exiting.";
		2563	exit 1;
1090	};	2564	};
1091	$msg->($@) if $@;
1092		2565
1093	$msg->("reloaded");	2566	warn "reloaded";
1094	};	2567	};
1095		2568
1096	sub perl_reload() {	2569	our $RELOAD_WATCHER; # used only during reload
1097	_perl_reload {
1098	warn $_[0];
1099	print "$_[0]\n";
1100	};
1101	}
1102		2570
1103	register "<global>", __PACKAGE__;
1104
1105	register_command "perl-reload" => sub {	2571	register_command "reload" => sub {
1106	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
1107		2573
1108	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
1109	_perl_reload {	2575	$who->message ("reloading server.");
1110	warn $_[0];	2576
1111	$who->message ($_[0]);	2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
		2585	reload;
		2586	undef $RELOAD_WATCHER;
		2587	},
1112	};	2588	);
1113	}	2589	}
1114	};	2590	};
1115		2591
1116	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
1117		2593
		2594	my $bug_warning = 0;
		2595
1118	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
		2597	reentrant => 0,
		2598	parked => 1,
1119	prio => 0,	2599	prio => 0,
1120	at => $NEXT_TICK || 1,	2600	at => $NEXT_TICK || $TICK,
1121	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
1122	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
1123	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
1124		2612	$RUNTIME += $TICK;
1125	my $NOW = Event::time;
1126	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
1127		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
		2623	$WAIT_FOR_TICK->broadcast;
		2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
		2628
1128	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
1129	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1130		2631
1131	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
1132	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
1133	},	2634	},
1134	);	2635	);
1135		2636
		2637	{
		2638	BDB::max_poll_time $TICK * 0.1;
		2639	$BDB_POLL_WATCHER = Event->io (
		2640	reentrant => 0,
		2641	fd => BDB::poll_fileno,
		2642	poll => 'r',
		2643	prio => 0,
		2644	data => WF_AUTOCANCEL,
		2645	cb => \&BDB::poll_cb,
		2646	);
		2647	BDB::min_parallel 8;
		2648
		2649	BDB::set_sync_prepare {
		2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
		2683	};
		2684	}
		2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
1136	IO::AIO::max_poll_time $TICK * 0.2;	2691	IO::AIO::max_poll_time $TICK * 0.1;
1137		2692	$AIO_POLL_WATCHER = Event->io (
1138	Event->io (fd => IO::AIO::poll_fileno,	2693	reentrant => 0,
1139	poll => 'r',
1140	prio => 5,
1141	data => WF_AUTOCANCEL,	2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
1142	cb => \&IO::AIO::poll_cb);	2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
		2701
		2702	END { cf::emergency_save }
1143		2703
1144	1	2704	1
1145		2705

Diff Legend

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