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 1.96 by root, Fri Dec 22 06:02:29 2006 UTC vs.
Revision 1.152 by root, Mon Jan 8 22:32:10 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18
19	use IO::AIO;	18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
		22	use IO::AIO 2.32 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		32
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		34
32	our %COMMAND = ();	35	our %COMMAND = ();
33	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
34	our %EXTCMD = ();	37	our %EXTCMD = ();
35		38
36	_init_vars;
37
38	our @EVENT;	39	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
40		41
41	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	43	our $TICK_WATCHER;
43	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
44		46
45	our %CFG;	47	our %CFG;
46		48
47	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %PLAYER; # all users
		53	our %MAP; # all maps
		54	our $LINK_MAP; # the special {link} map
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO; # coroutines bound to extensions
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76	our $EMERGENCY_POSITION;
48		77
49	#############################################################################	78	#############################################################################
50		79
51	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
52		81
53	=over 4	82	=over 4
54		83
55	=item $cf::UPTIME	84	=item $cf::UPTIME
56		85
57	The timestamp of the server start (so not actually an uptime).	86	The timestamp of the server start (so not actually an uptime).
		87
		88	=item $cf::RUNTIME
		89
		90	The time this server has run, starts at 0 and is increased by $cf::TICK on
		91	every server tick.
58		92
59	=item $cf::LIBDIR	93	=item $cf::LIBDIR
60		94
61	The perl library directory, where extensions and cf-specific modules can	95	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	96	be found. It will be added to C<@INC> automatically.
		97
		98	=item $cf::NOW
		99
		100	The time of the last (current) server tick.
63		101
64	=item $cf::TICK	102	=item $cf::TICK
65		103
66	The interval between server ticks, in seconds.	104	The interval between server ticks, in seconds.
67		105
…		…
75	=cut	113	=cut
76		114
77	BEGIN {	115	BEGIN {
78	*CORE::GLOBAL::warn = sub {	116	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	117	my $msg = join "", @_;
		118	utf8::encode $msg;
		119
80	$msg .= "\n"	120	$msg .= "\n"
81	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
82		122
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
85	};	124	};
86	}	125	}
87		126
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
89	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		133
95	# we bless all objects into (empty) derived classes to force a method lookup	134	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	135	# within the Safe compartment.
97	for my $pkg (qw(	136	for my $pkg (qw(
98	cf::global	137	cf::global cf::attachable
99	cf::object cf::object::player	138	cf::object cf::object::player
100	cf::client cf::player	139	cf::client cf::player
101	cf::arch cf::living	140	cf::arch cf::living
102	cf::map cf::party cf::region	141	cf::map cf::party cf::region
103	)) {	142	)) {
…		…
141	sub to_json($) {	180	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
144	}	183	}
145		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
		245	=item cf::sync_job { BLOCK }
		246
		247	The design of crossfire+ requires that the main coro ($Coro::main) is
		248	always able to handle events or runnable, as crossfire+ is only partly
		249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		250
		251	If it must be done, put the blocking parts into C<sync_job>. This will run
		252	the given BLOCK in another coroutine while waiting for the result. The
		253	server will be frozen during this time, so the block should either finish
		254	fast or be very important.
		255
		256	=cut
		257
		258	sub sync_job(&) {
		259	my ($job) = @_;
		260
		261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
		265	# TODO: use suspend/resume instead
		266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
		276	})->prio (Coro::PRIO_MAX);
		277
		278	while ($busy) {
		279	Coro::cede or Event::one_event;
		280	}
		281
		282	wantarray ? @res : $res[0]
		283	} else {
		284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
		287	}
		288	}
		289
		290	=item $coro = cf::async_ext { BLOCK }
		291
		292	Like async, but this coro is automcatially being canceled when the
		293	extension calling this is being unloaded.
		294
		295	=cut
		296
		297	sub async_ext(&) {
		298	my $cb = shift;
		299
		300	my $coro = &Coro::async ($cb);
		301
		302	$coro->on_destroy (sub {
		303	delete $EXT_CORO{$coro+0};
		304	});
		305	$EXT_CORO{$coro+0} = $coro;
		306
		307	$coro
		308	}
		309
		310	sub write_runtime {
		311	my $runtime = cf::localdir . "/runtime";
		312
		313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		314	or return;
		315
		316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		318	and return;
		319
		320	aio_fsync $fh
		321	and return;
		322
		323	close $fh
		324	or return;
		325
		326	aio_rename "$runtime~", $runtime
		327	and return;
		328
		329	1
		330	}
		331
146	=back	332	=back
147		333
148	=cut	334	=cut
		335
		336	#############################################################################
		337
		338	package cf::path;
		339
		340	sub new {
		341	my ($class, $path, $base) = @_;
		342
		343	$path = $path->as_string if ref $path;
		344
		345	my $self = bless { }, $class;
		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
		357	} elsif ($path =~ s{^\?random/}{}) {
		358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		359	$self->{random} = cf::from_json $data;
		360	} else {
		361	if ($path =~ s{^~([^/]+)?}{}) {
		362	$self->{user_rel} = 1;
		363
		364	if (defined $1) {
		365	$self->{user} = $1;
		366	} elsif ($base =~ m{^~([^/]+)/}) {
		367	$self->{user} = $1;
		368	} else {
		369	warn "cannot resolve user-relative path without user <$path,$base>\n";
		370	}
		371	} elsif ($path =~ /^\//) {
		372	# already absolute
		373	} else {
		374	$base =~ s{[^/]+/?$}{};
		375	return $class->new ("$base/$path");
		376	}
		377
		378	for ($path) {
		379	redo if s{/\.?/}{/};
		380	redo if s{/[^/]+/\.\./}{/};
		381	}
		382	}
		383
		384	$self->{path} = $path;
		385
		386	$self
		387	}
		388
		389	# the name / primary key / in-game path
		390	sub as_string {
		391	my ($self) = @_;
		392
		393	$self->{user_rel} ? "~$self->{user}$self->{path}"
		394	: $self->{random} ? "?random/$self->{path}"
		395	: $self->{path}
		396	}
		397
		398	# the displayed name, this is a one way mapping
		399	sub visible_name {
		400	my ($self) = @_;
		401
		402	# if (my $rmp = $self->{random}) {
		403	# # todo: be more intelligent about this
		404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		405	# } else {
		406	$self->as_string
		407	# }
		408	}
		409
		410	# escape the /'s in the path
		411	sub _escaped_path {
		412	# ∕ is U+2215
		413	(my $path = $_[0]{path}) =~ s/\//∕/g;
		414	$path
		415	}
		416
		417	# the original (read-only) location
		418	sub load_path {
		419	my ($self) = @_;
		420
		421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		422	}
		423
		424	# the temporary/swap location
		425	sub save_path {
		426	my ($self) = @_;
		427
		428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		431	}
		432
		433	# the unique path, might be eq to save_path
		434	sub uniq_path {
		435	my ($self) = @_;
		436
		437	$self->{user_rel} || $self->{random}
		438	? undef
		439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		440	}
		441
		442	# return random map parameters, or undef
		443	sub random_map_params {
		444	my ($self) = @_;
		445
		446	$self->{random}
		447	}
		448
		449	# this is somewhat ugly, but style maps do need special treatment
		450	sub is_style_map {
		451	$_[0]{path} =~ m{^/styles/}
		452	}
		453
		454	package cf;
149		455
150	#############################################################################	456	#############################################################################
151		457
152	=head2 ATTACHABLE OBJECTS	458	=head2 ATTACHABLE OBJECTS
153		459
…		…
269	exception.	575	exception.
270		576
271	=cut	577	=cut
272		578
273	# the following variables are defined in .xs and must not be re-created	579	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	580	our @CB_GLOBAL = (); # registry for all global events
		581	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	582	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	583	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	584	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	585	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	586	our @CB_MAP = ();
280		587
281	my %attachment;	588	my %attachment;
282		589
283	sub _attach_cb($$$$) {	590	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	591	my ($registry, $event, $prio, $cb) = @_;
…		…
289		596
290	@{$registry->[$event]} = sort	597	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	598	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	599	@{$registry->[$event] || []}, $cb;
293	}	600	}
		601
		602	# hack
		603	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		604
295	# attach handles attaching event callbacks	605	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	606	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	607	# registry (== where the callback attaches to).
298	sub _attach {	608	sub _attach {
…		…
300		610
301	my $object_type;	611	my $object_type;
302	my $prio = 0;	612	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	613	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		614
		615	#TODO: get rid of this hack
		616	if ($attachable_klass{$klass}) {
		617	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		618	}
		619
305	while (@arg) {	620	while (@arg) {
306	my $type = shift @arg;	621	my $type = shift @arg;
307		622
308	if ($type eq "prio") {	623	if ($type eq "prio") {
309	$prio = shift @arg;	624	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
385		700
386	exists $obj->{_attachment}{$name}	701	exists $obj->{_attachment}{$name}
387	}	702	}
388		703
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	704	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	705	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	706	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	707	(\\\@CB_$klass, KLASS_$klass)
393	}	708	}
394		709
…		…
447	=cut	762	=cut
448		763
449	#############################################################################	764	#############################################################################
450	# object support	765	# object support
451		766
452	sub instantiate {
453	my ($obj, $data) = @_;
454
455	$data = from_json $data;
456
457	for (@$data) {
458	my ($name, $args) = @$_;
459
460	$obj->attach ($name, %{$args || {} });
461	}
462	}
463
464	# basically do the same as instantiate, without calling instantiate
465	sub reattach {	767	sub reattach {
		768	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	769	my ($obj) = @_;
		770
467	my $registry = $obj->registry;	771	my $registry = $obj->registry;
468		772
469	@$registry = ();	773	@$registry = ();
470		774
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	775	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	784	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	785	}
482	}	786	}
483	}	787	}
484		788
485	sub object_freezer_save {	789	cf::attachable->attach (
486	my ($filename, $rdata, $objs) = @_;
487
488	if (length $$rdata) {
489	warn sprintf "saving %s (%d,%d)\n",
490	$filename, length $$rdata, scalar @$objs;
491
492	if (open my $fh, ">:raw", "$filename~") {
493	chmod SAVE_MODE, $fh;
494	syswrite $fh, $$rdata;
495	close $fh;
496
497	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
498	chmod SAVE_MODE, $fh;
499	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
500	close $fh;
501	rename "$filename.pst~", "$filename.pst";
502	} else {
503	unlink "$filename.pst";
504	}
505
506	rename "$filename~", $filename;
507	} else {
508	warn "FATAL: $filename~: $!\n";
509	}
510	} else {
511	unlink $filename;
512	unlink "$filename.pst";
513	}
514	}
515
516	sub object_freezer_as_string {
517	my ($rdata, $objs) = @_;
518
519	use Data::Dumper;
520
521	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	790	prio => -1000000,
		791	on_instantiate => sub {
		792	my ($obj, $data) = @_;
		793
		794	$data = from_json $data;
		795
		796	for (@$data) {
		797	my ($name, $args) = @$_;
		798
		799	$obj->attach ($name, %{$args || {} });
		800	}
		801	},
		802	on_reattach => \&reattach,
545	on_clone => sub {	803	on_clone => sub {
546	my ($src, $dst) = @_;	804	my ($src, $dst) = @_;
547		805
548	@{$dst->registry} = @{$src->registry};	806	@{$dst->registry} = @{$src->registry};
549		807
…		…
551		809
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	810	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	811	if exists $src->{_attachment};
554	},	812	},
555	);	813	);
		814
		815	sub object_freezer_save {
		816	my ($filename, $rdata, $objs) = @_;
		817
		818	sync_job {
		819	if (length $$rdata) {
		820	warn sprintf "saving %s (%d,%d)\n",
		821	$filename, length $$rdata, scalar @$objs;
		822
		823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		824	chmod SAVE_MODE, $fh;
		825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		826	aio_fsync $fh;
		827	close $fh;
		828
		829	if (@$objs) {
		830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		831	chmod SAVE_MODE, $fh;
		832	my $data = Storable::nfreeze { version => 1, objs => $objs };
		833	aio_write $fh, 0, (length $data), $data, 0;
		834	aio_fsync $fh;
		835	close $fh;
		836	aio_rename "$filename.pst~", "$filename.pst";
		837	}
		838	} else {
		839	aio_unlink "$filename.pst";
		840	}
		841
		842	aio_rename "$filename~", $filename;
		843	} else {
		844	warn "FATAL: $filename~: $!\n";
		845	}
		846	} else {
		847	aio_unlink $filename;
		848	aio_unlink "$filename.pst";
		849	}
		850	}
		851	}
		852
		853	sub object_freezer_as_string {
		854	my ($rdata, $objs) = @_;
		855
		856	use Data::Dumper;
		857
		858	$$rdata . Dumper $objs
		859	}
		860
		861	sub object_thawer_load {
		862	my ($filename) = @_;
		863
		864	my ($data, $av);
		865
		866	(aio_load $filename, $data) >= 0
		867	or return;
		868
		869	unless (aio_stat "$filename.pst") {
		870	(aio_load "$filename.pst", $av) >= 0
		871	or return;
		872	$av = eval { (Storable::thaw $av)->{objs} };
		873	}
		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av || []};#d#
		877	return ($data, $av);
		878	}
556		879
557	#############################################################################	880	#############################################################################
558	# command handling &c	881	# command handling &c
559		882
560	=item cf::register_command $name => \&callback($ob,$args);	883	=item cf::register_command $name => \&callback($ob,$args);
…		…
749		1072
750	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
751		1074
752	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
753		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
754	=head3 cf::player	1081	=head3 cf::player
755		1082
756	=over 4	1083	=over 4
757		1084
758	=item cf::player::exists $login	1085	=item cf::player::find $login
759		1086
760	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
761		1088
762	=cut	1089	=cut
763		1090
764	sub cf::player::exists($) {	1091	sub playerdir($) {
765	cf::player::find $_[0]	1092	cf::localdir
766	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} || do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$_[0]} || do {
		1125	my $pl = load_pl path $login
		1126	or return;
		1127	$cf::PLAYER{$login} = $pl
		1128	}
		1129	}
		1130	}
		1131
		1132	sub save($) {
		1133	my ($pl) = @_;
		1134
		1135	return if $pl->{deny_save};
		1136
		1137	my $path = path $pl;
		1138	my $guard = cf::lock_acquire "user_save:$path";
		1139
		1140	return if $pl->{deny_save};
		1141
		1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;
		1143	$pl->{last_save} = $cf::RUNTIME;
		1144
		1145	$pl->save_pl ($path);
		1146	Coro::cede;
		1147	}
		1148
		1149	sub new($) {
		1150	my ($login) = @_;
		1151
		1152	my $self = create;
		1153
		1154	$self->ob->name ($login);
		1155	$self->{deny_save} = 1;
		1156
		1157	$cf::PLAYER{$login} = $self;
		1158
		1159	$self
		1160	}
		1161
		1162	sub quit_character {
		1163	my ($pl) = @_;
		1164
		1165	$pl->{deny_save} = 1;
		1166	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1167
		1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1169	$pl->deactivate;
		1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1171	$pl->ns->destroy if $pl->ns;
		1172
		1173	my $path = playerdir $pl;
		1174	my $temp = "$path~$cf::RUNTIME~deleting~";
		1175	Coro::AIO::aio_rename $path, $temp;
		1176	delete $cf::PLAYER{$pl->ob->name};
		1177	$pl->destroy;
		1178	IO::AIO::aio_rmtree $temp;
767	}	1179	}
768		1180
769	=item $player->ext_reply ($msgid, $msgtype, %msg)	1181	=item $player->ext_reply ($msgid, $msgtype, %msg)
770		1182
771	Sends an ext reply to the player.	1183	Sends an ext reply to the player.
772		1184
773	=cut	1185	=cut
774		1186
775	sub cf::player::ext_reply($$$%) {	1187	sub ext_reply($$$%) {
776	my ($self, $id, %msg) = @_;	1188	my ($self, $id, %msg) = @_;
777		1189
778	$msg{msgid} = $id;	1190	$msg{msgid} = $id;
779		1191
780	$self->send ("ext " . to_json \%msg);	1192	$self->send ("ext " . cf::to_json \%msg);
781	}	1193	}
		1194
		1195	package cf;
782		1196
783	=back	1197	=back
		1198
		1199
		1200	=head3 cf::map
		1201
		1202	=over 4
		1203
		1204	=cut
		1205
		1206	package cf::map;
		1207
		1208	use Fcntl;
		1209	use Coro::AIO;
		1210
		1211	our $MAX_RESET = 3600;
		1212	our $DEFAULT_RESET = 3000;
		1213
		1214	sub generate_random_map {
		1215	my ($path, $rmp) = @_;
		1216
		1217	# mit "rum" bekleckern, nicht
		1218	cf::map::_create_random_map
		1219	$path,
		1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1223	$rmp->{exit_on_final_map},
		1224	$rmp->{xsize}, $rmp->{ysize},
		1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1230	(cf::region::find $rmp->{region})
		1231	}
		1232
		1233	# and all this just because we cannot iterate over
		1234	# all maps in C++...
		1235	sub change_all_map_light {
		1236	my ($change) = @_;
		1237
		1238	$_->change_map_light ($change)
		1239	for grep $_->outdoor, values %cf::MAP;
		1240	}
		1241
		1242	sub try_load_header($) {
		1243	my ($path) = @_;
		1244
		1245	utf8::encode $path;
		1246	aio_open $path, O_RDONLY, 0
		1247	or return;
		1248
		1249	my $map = cf::map::new
		1250	or return;
		1251
		1252	# for better error messages only, will be overwritten
		1253	$map->path ($path);
		1254
		1255	$map->load_header ($path)
		1256	or return;
		1257
		1258	$map->{load_path} = $path;
		1259
		1260	$map
		1261	}
		1262
		1263	sub find;
		1264	sub find {
		1265	my ($path, $origin) = @_;
		1266
		1267	#warn "find<$path,$origin>\n";#d#
		1268
		1269	$path = new cf::path $path, $origin && $origin->path;
		1270	my $key = $path->as_string;
		1271
		1272	cf::lock_wait "map_find:$key";
		1273
		1274	$cf::MAP{$key} || do {
		1275	my $guard = cf::lock_acquire "map_find:$key";
		1276
		1277	# do it the slow way
		1278	my $map = try_load_header $path->save_path;
		1279
		1280	Coro::cede;
		1281
		1282	if ($map) {
		1283	$map->last_access ((delete $map->{last_access})
		1284	|| $cf::RUNTIME); #d#
		1285	# safety
		1286	$map->{instantiate_time} = $cf::RUNTIME
		1287	if $map->{instantiate_time} > $cf::RUNTIME;
		1288	} else {
		1289	if (my $rmp = $path->random_map_params) {
		1290	$map = generate_random_map $key, $rmp;
		1291	} else {
		1292	$map = try_load_header $path->load_path;
		1293	}
		1294
		1295	$map or return;
		1296
		1297	$map->{load_original} = 1;
		1298	$map->{instantiate_time} = $cf::RUNTIME;
		1299	$map->last_access ($cf::RUNTIME);
		1300	$map->instantiate;
		1301
		1302	# per-player maps become, after loading, normal maps
		1303	$map->per_player (0) if $path->{user_rel};
		1304	}
		1305
		1306	$map->path ($key);
		1307	$map->{path} = $path;
		1308	$map->{last_save} = $cf::RUNTIME;
		1309
		1310	Coro::cede;
		1311
		1312	if ($map->should_reset) {
		1313	$map->reset;
		1314	undef $guard;
		1315	$map = find $path
		1316	or return;
		1317	}
		1318
		1319	$cf::MAP{$key} = $map
		1320	}
		1321	}
		1322
		1323	sub load {
		1324	my ($self) = @_;
		1325
		1326	my $path = $self->{path};
		1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1328
		1329	return if $self->in_memory != cf::MAP_SWAPPED;
		1330
		1331	$self->in_memory (cf::MAP_LOADING);
		1332
		1333	$self->alloc;
		1334	$self->load_objects ($self->{load_path}, 1)
		1335	or return;
		1336
		1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1338	if delete $self->{load_original};
		1339
		1340	if (my $uniq = $path->uniq_path) {
		1341	utf8::encode $uniq;
		1342	if (aio_open $uniq, O_RDONLY, 0) {
		1343	$self->clear_unique_items;
		1344	$self->load_objects ($uniq, 0);
		1345	}
		1346	}
		1347
		1348	Coro::cede;
		1349
		1350	# now do the right thing for maps
		1351	$self->link_multipart_objects;
		1352
		1353	if ($self->{path}->is_style_map) {
		1354	$self->{deny_save} = 1;
		1355	$self->{deny_reset} = 1;
		1356	} else {
		1357	$self->fix_auto_apply;
		1358	$self->decay_objects;
		1359	$self->update_buttons;
		1360	$self->set_darkness_map;
		1361	$self->difficulty ($self->estimate_difficulty)
		1362	unless $self->difficulty;
		1363	$self->activate;
		1364	}
		1365
		1366	Coro::cede;
		1367
		1368	$self->in_memory (cf::MAP_IN_MEMORY);
		1369	}
		1370
		1371	sub find_sync {
		1372	my ($path, $origin) = @_;
		1373
		1374	cf::sync_job { cf::map::find $path, $origin }
		1375	}
		1376
		1377	sub do_load_sync {
		1378	my ($map) = @_;
		1379
		1380	cf::sync_job { $map->load };
		1381	}
		1382
		1383	sub save {
		1384	my ($self) = @_;
		1385
		1386	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1387
		1388	$self->{last_save} = $cf::RUNTIME;
		1389
		1390	return unless $self->dirty;
		1391
		1392	my $save = $self->{path}->save_path; utf8::encode $save;
		1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1394
		1395	$self->{load_path} = $save;
		1396
		1397	return if $self->{deny_save};
		1398
		1399	local $self->{last_access} = $self->last_access;#d#
		1400
		1401	cf::async {
		1402	$_->contr->save for $self->players;
		1403	};
		1404
		1405	if ($uniq) {
		1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1408	} else {
		1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1410	}
		1411	}
		1412
		1413	sub swap_out {
		1414	my ($self) = @_;
		1415
		1416	# save first because save cedes
		1417	$self->save;
		1418
		1419	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1420
		1421	return if $self->players;
		1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1423	return if $self->{deny_save};
		1424
		1425	$self->clear;
		1426	$self->in_memory (cf::MAP_SWAPPED);
		1427	}
		1428
		1429	sub reset_at {
		1430	my ($self) = @_;
		1431
		1432	# TODO: safety, remove and allow resettable per-player maps
		1433	return 1e99 if $self->{path}{user_rel};
		1434	return 1e99 if $self->{deny_reset};
		1435
		1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1438
		1439	$time + $to
		1440	}
		1441
		1442	sub should_reset {
		1443	my ($self) = @_;
		1444
		1445	$self->reset_at <= $cf::RUNTIME
		1446	}
		1447
		1448	sub unlink_save {
		1449	my ($self) = @_;
		1450
		1451	utf8::encode (my $save = $self->{path}->save_path);
		1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1454	}
		1455
		1456	sub rename {
		1457	my ($self, $new_path) = @_;
		1458
		1459	$self->unlink_save;
		1460
		1461	delete $cf::MAP{$self->path};
		1462	$self->{path} = new cf::path $new_path;
		1463	$self->path ($self->{path}->as_string);
		1464	$cf::MAP{$self->path} = $self;
		1465
		1466	$self->save;
		1467	}
		1468
		1469	sub reset {
		1470	my ($self) = @_;
		1471
		1472	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1473
		1474	return if $self->players;
		1475	return if $self->{path}{user_rel};#d#
		1476
		1477	warn "resetting map ", $self->path;#d#
		1478
		1479	delete $cf::MAP{$self->path};
		1480
		1481	$_->clear_links_to ($self) for values %cf::MAP;
		1482
		1483	$self->unlink_save;
		1484	$self->destroy;
		1485	}
		1486
		1487	my $nuke_counter = "aaaa";
		1488
		1489	sub nuke {
		1490	my ($self) = @_;
		1491
		1492	$self->{deny_save} = 1;
		1493	$self->reset_timeout (1);
		1494	$self->rename ("{nuke}/" . ($nuke_counter++));
		1495	$self->reset; # polite request, might not happen
		1496	}
		1497
		1498	sub customise_for {
		1499	my ($map, $ob) = @_;
		1500
		1501	if ($map->per_player) {
		1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1503	}
		1504
		1505	$map
		1506	}
		1507
		1508	sub emergency_save {
		1509	my $freeze_guard = cf::freeze_mainloop;
		1510
		1511	warn "enter emergency perl save\n";
		1512
		1513	cf::sync_job {
		1514	warn "begin emergency player save\n";
		1515	$_->save for values %cf::PLAYER;
		1516	warn "end emergency player save\n";
		1517
		1518	warn "begin emergency map save\n";
		1519	$_->save for values %cf::MAP;
		1520	warn "end emergency map save\n";
		1521	};
		1522
		1523	warn "leave emergency perl save\n";
		1524	}
		1525
		1526	package cf;
		1527
		1528	=back
		1529
784		1530
785	=head3 cf::object::player	1531	=head3 cf::object::player
786		1532
787	=over 4	1533	=over 4
788		1534
…		…
824	(ref $cf::CFG{"may_$access"}	1570	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1571	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1572	: $cf::CFG{"may_$access"})
827	}	1573	}
828		1574
		1575	=item $player_object->enter_link
		1576
		1577	Freezes the player and moves him/her to a special map (C<{link}>).
		1578
		1579	The player should be reaosnably safe there for short amounts of time. You
		1580	I<MUST> call C<leave_link> as soon as possible, though.
		1581
		1582	=item $player_object->leave_link ($map, $x, $y)
		1583
		1584	Moves the player out of the specila link map onto the given map. If the
		1585	map is not valid (or omitted), the player will be moved back to the
		1586	location he/she was before the call to C<enter_link>, or, if that fails,
		1587	to the emergency map position.
		1588
		1589	Might block.
		1590
		1591	=cut
		1592
		1593	sub cf::object::player::enter_link {
		1594	my ($self) = @_;
		1595
		1596	$self->deactivate_recursive;
		1597
		1598	return if $self->map == $LINK_MAP;
		1599
		1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1601	if $self->map;
		1602
		1603	$self->enter_map ($LINK_MAP, 20, 20);
		1604	}
		1605
		1606	sub cf::object::player::leave_link {
		1607	my ($self, $map, $x, $y) = @_;
		1608
		1609	my $link_pos = delete $self->{_link_pos};
		1610
		1611	unless ($map) {
		1612	# restore original map position
		1613	($map, $x, $y) = @{ $link_pos || [] };
		1614	$map = cf::map::find $map;
		1615
		1616	unless ($map) {
		1617	($map, $x, $y) = @$EMERGENCY_POSITION;
		1618	$map = cf::map::find $map
		1619	or die "FATAL: cannot load emergency map\n";
		1620	}
		1621	}
		1622
		1623	($x, $y) = (-1, -1)
		1624	unless (defined $x) && (defined $y);
		1625
		1626	# use -1 or undef as default coordinates, not 0, 0
		1627	($x, $y) = ($map->enter_x, $map->enter_y)
		1628	if $x <=0 && $y <= 0;
		1629
		1630	$map->load;
		1631
		1632	return unless $self->contr->active;
		1633	$self->activate_recursive;
		1634	$self->enter_map ($map, $x, $y);
		1635	}
		1636
		1637	cf::player->attach (
		1638	on_logout => sub {
		1639	my ($pl) = @_;
		1640
		1641	# abort map switching before logout
		1642	if ($pl->ob->{_link_pos}) {
		1643	cf::sync_job {
		1644	$pl->ob->leave_link
		1645	};
		1646	}
		1647	},
		1648	on_login => sub {
		1649	my ($pl) = @_;
		1650
		1651	# try to abort aborted map switching on player login :)
		1652	# should happen only on crashes
		1653	if ($pl->ob->{_link_pos}) {
		1654	$pl->ob->enter_link;
		1655	(async {
		1656	# we need this sleep as the login has a concurrent enter_exit running
		1657	# and this sleep increases chances of the player not ending up in scorn
		1658	$pl->ob->reply (undef,
		1659	"There was an internal problem at your last logout, "
		1660	. "the server will try to bring you to your intended destination in a second.",
		1661	cf::NDI_RED);
		1662	Coro::Timer::sleep 1;
		1663	$pl->ob->leave_link;
		1664	})->prio (2);
		1665	}
		1666	},
		1667	);
		1668
		1669	=item $player_object->goto ($path, $x, $y)
		1670
		1671	=cut
		1672
		1673	sub cf::object::player::goto {
		1674	my ($self, $path, $x, $y) = @_;
		1675
		1676	$self->enter_link;
		1677
		1678	(async {
		1679	$path = new cf::path $path;
		1680
		1681	my $map = cf::map::find $path->as_string;
		1682	$map = $map->customise_for ($self) if $map;
		1683
		1684	# warn "entering ", $map->path, " at ($x, $y)\n"
		1685	# if $map;
		1686
		1687	$map or Carp::cluck ("oy");#d#
		1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1689
		1690	$self->leave_link ($map, $x, $y);
		1691	})->prio (1);
		1692	}
		1693
		1694	=item $player_object->enter_exit ($exit_object)
		1695
		1696	=cut
		1697
		1698	sub parse_random_map_params {
		1699	my ($spec) = @_;
		1700
		1701	my $rmp = { # defaults
		1702	xsize => 10,
		1703	ysize => 10,
		1704	};
		1705
		1706	for (split /\n/, $spec) {
		1707	my ($k, $v) = split /\s+/, $_, 2;
		1708
		1709	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1710	}
		1711
		1712	$rmp
		1713	}
		1714
		1715	sub prepare_random_map {
		1716	my ($exit) = @_;
		1717
		1718	# all this does is basically replace the /! path by
		1719	# a new random map path (?random/...) with a seed
		1720	# that depends on the exit object
		1721
		1722	my $rmp = parse_random_map_params $exit->msg;
		1723
		1724	if ($exit->map) {
		1725	$rmp->{region} = $exit->map->region_name;
		1726	$rmp->{origin_map} = $exit->map->path;
		1727	$rmp->{origin_x} = $exit->x;
		1728	$rmp->{origin_y} = $exit->y;
		1729	}
		1730
		1731	$rmp->{random_seed} ||= $exit->random_seed;
		1732
		1733	my $data = cf::to_json $rmp;
		1734	my $md5 = Digest::MD5::md5_hex $data;
		1735
		1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1737	aio_write $fh, 0, (length $data), $data, 0;
		1738
		1739	$exit->slaying ("?random/$md5");
		1740	$exit->msg (undef);
		1741	}
		1742	}
		1743
		1744	sub cf::object::player::enter_exit {
		1745	my ($self, $exit) = @_;
		1746
		1747	return unless $self->type == cf::PLAYER;
		1748
		1749	$self->enter_link;
		1750
		1751	(async {
		1752	$self->deactivate_recursive; # just to be sure
		1753	unless (eval {
		1754	prepare_random_map $exit
		1755	if $exit->slaying eq "/!";
		1756
		1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1759
		1760	1;
		1761	}) {
		1762	$self->message ("Something went wrong deep within the crossfire server. "
		1763	. "I'll try to bring you back to the map you were before. "
		1764	. "Please report this to the dungeon master",
		1765	cf::NDI_UNIQUE | cf::NDI_RED);
		1766
		1767	warn "ERROR in enter_exit: $@";
		1768	$self->leave_link;
		1769	}
		1770	})->prio (1);
		1771	}
		1772
829	=head3 cf::client	1773	=head3 cf::client
830		1774
831	=over 4	1775	=over 4
832		1776
833	=item $client->send_drawinfo ($text, $flags)	1777	=item $client->send_drawinfo ($text, $flags)
…		…
876	on_reply => sub {	1820	on_reply => sub {
877	my ($ns, $msg) = @_;	1821	my ($ns, $msg) = @_;
878		1822
879	# this weird shuffling is so that direct followup queries	1823	# this weird shuffling is so that direct followup queries
880	# get handled first	1824	# get handled first
881	my $queue = delete $ns->{query_queue};	1825	my $queue = delete $ns->{query_queue}
		1826	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		1827
883	(shift @$queue)->[1]->($msg);	1828	(shift @$queue)->[1]->($msg);
884		1829
885	push @{ $ns->{query_queue} }, @$queue;	1830	push @{ $ns->{query_queue} }, @$queue;
886		1831
887	if (@{ $ns->{query_queue} } == @$queue) {	1832	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	1833	if (@$queue) {
889	$ns->send_packet ($ns->{query_queue}[0][0]);	1834	$ns->send_packet ($ns->{query_queue}[0][0]);
890	} else {	1835	} else {
891	$ns->state (ST_PLAYING);	1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
892	}	1837	}
893	}	1838	}
894	},	1839	},
895	);	1840	);
896		1841
897	=item $client->coro (\&cb)	1842	=item $client->async (\&cb)
898		1843
899	Create a new coroutine, running the specified callback. The coroutine will	1844	Create a new coroutine, running the specified callback. The coroutine will
900	be automatically cancelled when the client gets destroyed (e.g. on logout,	1845	be automatically cancelled when the client gets destroyed (e.g. on logout,
901	or loss of connection).	1846	or loss of connection).
902		1847
903	=cut	1848	=cut
904		1849
905	sub cf::client::coro {	1850	sub cf::client::async {
906	my ($self, $cb) = @_;	1851	my ($self, $cb) = @_;
907		1852
908	my $coro; $coro = async {	1853	my $coro = &Coro::async ($cb);
909	eval {	1854
910	$cb->();	1855	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	warn "cancel myself\n";#d#
914	delete $self->{_coro}{$coro+0};	1856	delete $self->{_coro}{$coro+0};
915	};	1857	});
916		1858
917	$self->{_coro}{$coro+0} = $coro;	1859	$self->{_coro}{$coro+0} = $coro;
		1860
		1861	$coro
918	}	1862	}
919		1863
920	cf::client->attach (	1864	cf::client->attach (
921	on_destroy => sub {	1865	on_destroy => sub {
922	my ($ns) = @_;	1866	my ($ns) = @_;
923		1867
924	warn "cancel $_" for values %{ $ns->{_coro} || {} };#d#
925	$_->cancel for values %{ $ns->{_coro} || {} };	1868	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
926	},	1869	},
927	);	1870	);
928		1871
929	=back	1872	=back
930		1873
…		…
1087		2030
1088	{	2031	{
1089	my $path = cf::localdir . "/database.pst";	2032	my $path = cf::localdir . "/database.pst";
1090		2033
1091	sub db_load() {	2034	sub db_load() {
1092	warn "loading database $path\n";#d# remove later
1093	$DB = stat $path ? Storable::retrieve $path : { };	2035	$DB = stat $path ? Storable::retrieve $path : { };
1094	}	2036	}
1095		2037
1096	my $pid;	2038	my $pid;
1097		2039
1098	sub db_save() {	2040	sub db_save() {
1099	warn "saving database $path\n";#d# remove later
1100	waitpid $pid, 0 if $pid;	2041	waitpid $pid, 0 if $pid;
1101	if (0 == ($pid = fork)) {	2042	if (0 == ($pid = fork)) {
1102	$DB->{_meta}{version} = 1;	2043	$DB->{_meta}{version} = 1;
1103	Storable::nstore $DB, "$path~";	2044	Storable::nstore $DB, "$path~";
1104	rename "$path~", $path;	2045	rename "$path~", $path;
…		…
1152	open my $fh, "<:utf8", cf::confdir . "/config"	2093	open my $fh, "<:utf8", cf::confdir . "/config"
1153	or return;	2094	or return;
1154		2095
1155	local $/;	2096	local $/;
1156	*CFG = YAML::Syck::Load <$fh>;	2097	*CFG = YAML::Syck::Load <$fh>;
		2098
		2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2100
		2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2103
		2104	if (exists $CFG{mlockall}) {
		2105	eval {
		2106	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2107	and die "WARNING: m(un)lockall failed: $!\n";
		2108	};
		2109	warn $@ if $@;
		2110	}
1157	}	2111	}
1158		2112
1159	sub main {	2113	sub main {
		2114	# we must not ever block the main coroutine
		2115	local $Coro::idle = sub {
		2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2117	async { Event::one_event };
		2118	};
		2119
1160	cfg_load;	2120	cfg_load;
1161	db_load;	2121	db_load;
1162	load_extensions;	2122	load_extensions;
1163	Event::loop;	2123	Event::loop;
1164	}	2124	}
1165		2125
1166	#############################################################################	2126	#############################################################################
1167	# initialisation	2127	# initialisation
1168		2128
1169	sub _perl_reload(&) {	2129	sub reload() {
1170	my ($msg) = @_;	2130	# can/must only be called in main
		2131	if ($Coro::current != $Coro::main) {
		2132	warn "can only reload from main coroutine\n";
		2133	return;
		2134	}
1171		2135
1172	$msg->("reloading...");	2136	warn "reloading...";
		2137
		2138	my $guard = freeze_mainloop;
		2139	cf::emergency_save;
1173		2140
1174	eval {	2141	eval {
		2142	# if anything goes wrong in here, we should simply crash as we already saved
		2143
1175	# cancel all watchers	2144	# cancel all watchers
1176	for (Event::all_watchers) {	2145	for (Event::all_watchers) {
1177	$_->cancel if $_->data & WF_AUTOCANCEL;	2146	$_->cancel if $_->data & WF_AUTOCANCEL;
1178	}	2147	}
1179		2148
		2149	# cancel all extension coros
		2150	$_->cancel for values %EXT_CORO;
		2151	%EXT_CORO = ();
		2152
1180	# unload all extensions	2153	# unload all extensions
1181	for (@exts) {	2154	for (@exts) {
1182	$msg->("unloading <$_>");	2155	warn "unloading <$_>";
1183	unload_extension $_;	2156	unload_extension $_;
1184	}	2157	}
1185		2158
1186	# unload all modules loaded from $LIBDIR	2159	# unload all modules loaded from $LIBDIR
1187	while (my ($k, $v) = each %INC) {	2160	while (my ($k, $v) = each %INC) {
1188	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1189		2162
1190	$msg->("removing <$k>");	2163	warn "removing <$k>";
1191	delete $INC{$k};	2164	delete $INC{$k};
1192		2165
1193	$k =~ s/\.pm$//;	2166	$k =~ s/\.pm$//;
1194	$k =~ s/\//::/g;	2167	$k =~ s/\//::/g;
1195		2168
…		…
1200	Symbol::delete_package $k;	2173	Symbol::delete_package $k;
1201	}	2174	}
1202		2175
1203	# sync database to disk	2176	# sync database to disk
1204	cf::db_sync;	2177	cf::db_sync;
		2178	IO::AIO::flush;
1205		2179
1206	# get rid of safe::, as good as possible	2180	# get rid of safe::, as good as possible
1207	Symbol::delete_package "safe::$_"	2181	Symbol::delete_package "safe::$_"
1208	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1209		2183
1210	# remove register_script_function callbacks	2184	# remove register_script_function callbacks
1211	# TODO	2185	# TODO
1212		2186
1213	# unload cf.pm "a bit"	2187	# unload cf.pm "a bit"
…		…
1216	# don't, removes xs symbols, too,	2190	# don't, removes xs symbols, too,
1217	# and global variables created in xs	2191	# and global variables created in xs
1218	#Symbol::delete_package __PACKAGE__;	2192	#Symbol::delete_package __PACKAGE__;
1219		2193
1220	# reload cf.pm	2194	# reload cf.pm
1221	$msg->("reloading cf.pm");	2195	warn "reloading cf.pm";
1222	require cf;	2196	require cf;
		2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1223		2198
1224	# load config and database again	2199	# load config and database again
1225	cf::cfg_load;	2200	cf::cfg_load;
1226	cf::db_load;	2201	cf::db_load;
1227		2202
1228	# load extensions	2203	# load extensions
1229	$msg->("load extensions");	2204	warn "load extensions";
1230	cf::load_extensions;	2205	cf::load_extensions;
1231		2206
1232	# reattach attachments to objects	2207	# reattach attachments to objects
1233	$msg->("reattach");	2208	warn "reattach";
1234	_global_reattach;	2209	_global_reattach;
		2210	reattach $_ for values %MAP;
1235	};	2211	};
1236	$msg->($@) if $@;
1237		2212
1238	$msg->("reloaded");	2213	if ($@) {
		2214	warn $@;
		2215	warn "error while reloading, exiting.";
		2216	exit 1;
		2217	}
		2218
		2219	warn "reloaded successfully";
1239	};	2220	};
1240		2221
1241	sub perl_reload() {	2222	#############################################################################
1242	_perl_reload {	2223
1243	warn $_[0];	2224	unless ($LINK_MAP) {
1244	print "$_[0]\n";	2225	$LINK_MAP = cf::map::new;
1245	};	2226
		2227	$LINK_MAP->width (41);
		2228	$LINK_MAP->height (41);
		2229	$LINK_MAP->alloc;
		2230	$LINK_MAP->path ("{link}");
		2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2233
		2234	# dirty hack because... archetypes are not yet loaded
		2235	Event->timer (
		2236	after => 10,
		2237	cb => sub {
		2238	$_[0]->w->cancel;
		2239
		2240	# provide some exits "home"
		2241	my $exit = cf::object::new "exit";
		2242
		2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2246
		2247	$LINK_MAP->insert ($exit->clone, 19, 19);
		2248	$LINK_MAP->insert ($exit->clone, 19, 20);
		2249	$LINK_MAP->insert ($exit->clone, 19, 21);
		2250	$LINK_MAP->insert ($exit->clone, 20, 19);
		2251	$LINK_MAP->insert ($exit->clone, 20, 21);
		2252	$LINK_MAP->insert ($exit->clone, 21, 19);
		2253	$LINK_MAP->insert ($exit->clone, 21, 20);
		2254	$LINK_MAP->insert ($exit->clone, 21, 21);
		2255
		2256	$exit->destroy;
		2257	});
		2258
		2259	$LINK_MAP->{deny_save} = 1;
		2260	$LINK_MAP->{deny_reset} = 1;
		2261
		2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1246	}	2263	}
1247		2264
1248	register "<global>", __PACKAGE__;	2265	register "<global>", __PACKAGE__;
1249		2266
1250	register_command "perl-reload" => sub {	2267	register_command "reload" => sub {
1251	my ($who, $arg) = @_;	2268	my ($who, $arg) = @_;
1252		2269
1253	if ($who->flag (FLAG_WIZ)) {	2270	if ($who->flag (FLAG_WIZ)) {
1254	_perl_reload {	2271	$who->message ("start of reload.");
1255	warn $_[0];	2272	reload;
1256	$who->message ($_[0]);	2273	$who->message ("end of reload.");
1257	};
1258	}	2274	}
1259	};	2275	};
1260		2276
1261	unshift @INC, $LIBDIR;	2277	unshift @INC, $LIBDIR;
1262		2278
1263	$TICK_WATCHER = Event->timer (	2279	$TICK_WATCHER = Event->timer (
		2280	reentrant => 0,
1264	prio => 0,	2281	prio => 0,
1265	at => $NEXT_TICK || 1,	2282	at => $NEXT_TICK || $TICK,
1266	data => WF_AUTOCANCEL,	2283	data => WF_AUTOCANCEL,
1267	cb => sub {	2284	cb => sub {
1268	cf::server_tick; # one server iteration	2285	cf::server_tick; # one server iteration
1269		2286	$RUNTIME += $TICK;
1270	my $NOW = Event::time;
1271	$NEXT_TICK += $TICK;	2287	$NEXT_TICK += $TICK;
1272		2288
1273	# if we are delayed by four ticks or more, skip them all	2289	# if we are delayed by four ticks or more, skip them all
1274	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1275		2291
1276	$TICK_WATCHER->at ($NEXT_TICK);	2292	$TICK_WATCHER->at ($NEXT_TICK);
1277	$TICK_WATCHER->start;	2293	$TICK_WATCHER->start;
1278	},	2294	},
1279	);	2295	);
1280		2296
1281	IO::AIO::max_poll_time $TICK * 0.2;	2297	IO::AIO::max_poll_time $TICK * 0.2;
1282		2298
		2299	Event->io (
1283	Event->io (fd => IO::AIO::poll_fileno,	2300	fd => IO::AIO::poll_fileno,
1284	poll => 'r',	2301	poll => 'r',
1285	prio => 5,	2302	prio => 5,
1286	data => WF_AUTOCANCEL,	2303	data => WF_AUTOCANCEL,
1287	cb => \&IO::AIO::poll_cb);	2304	cb => \&IO::AIO::poll_cb,
		2305	);
		2306
		2307	Event->timer (
		2308	data => WF_AUTOCANCEL,
		2309	after => 0,
		2310	interval => 10,
		2311	cb => sub {
		2312	(Coro::unblock_sub {
		2313	write_runtime
		2314	or warn "ERROR: unable to write runtime file: $!";
		2315	})->();
		2316	},
		2317	);
		2318
		2319	END { cf::emergency_save }
1288		2320
1289	1	2321	1
1290		2322

Diff Legend

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