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 1.97 by root, Fri Dec 22 06:03:20 2006 UTC vs.
Revision 1.127 by root, Wed Jan 3 00:05:26 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 2.31 ();
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 (2); # 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 %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($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
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
48		78
49	#############################################################################	79	#############################################################################
50		80
51	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
52		82
53	=over 4	83	=over 4
54		84
55	=item $cf::UPTIME	85	=item $cf::UPTIME
56		86
57	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
58		93
59	=item $cf::LIBDIR	94	=item $cf::LIBDIR
60		95
61	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
62	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
63		102
64	=item $cf::TICK	103	=item $cf::TICK
65		104
66	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
67		106
…		…
75	=cut	114	=cut
76		115
77	BEGIN {	116	BEGIN {
78	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
80	$msg .= "\n"	121	$msg .= "\n"
81	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
82		123
83	print STDERR "cfperl: $msg";
84	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
85	};	125	};
86	}	126	}
87		127
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
94		134
95	# we bless all objects into (empty) derived classes to force a method lookup	135	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	136	# within the Safe compartment.
97	for my $pkg (qw(	137	for my $pkg (qw(
98	cf::global	138	cf::global cf::attachable
99	cf::object cf::object::player	139	cf::object cf::object::player
100	cf::client cf::player	140	cf::client cf::player
101	cf::arch cf::living	141	cf::arch cf::living
102	cf::map cf::party cf::region	142	cf::map cf::party cf::region
103	)) {	143	)) {
…		…
141	sub to_json($) {	181	sub to_json($) {
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
143	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
144	}	184	}
145		185
		186	=item my $guard = cf::guard { BLOCK }
		187
		188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::async { BLOCK }
		251
		252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		253	error instead of exiting the server in case of a problem.
		254
		255	=cut
		256
		257	sub async(&) {
		258	my ($cb) = @_;
		259
		260	Coro::async {
		261	eval { $cb->() };
		262	warn $@ if $@;
		263	}
		264	}
		265
		266	=item cf::sync_job { BLOCK }
		267
		268	The design of crossfire+ requires that the main coro ($Coro::main) is
		269	always able to handle events or runnable, as crossfire+ is only partly
		270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		271
		272	If it must be done, put the blocking parts into C<sync_job>. This will run
		273	the given BLOCK in another coroutine while waiting for the result. The
		274	server will be frozen during this time, so the block should either finish
		275	fast or be very important.
		276
		277	=cut
		278
		279	sub sync_job(&) {
		280	my ($job) = @_;
		281
		282	if ($Coro::current == $Coro::main) {
		283	# this is the main coro, too bad, we have to block
		284	# till the operation succeeds, freezing the server :/
		285
		286	# TODO: use suspend/resume instead
		287	# (but this is cancel-safe)
		288	local $FREEZE = 1;
		289
		290	my $busy = 1;
		291	my @res;
		292
		293	(Coro::async {
		294	@res = eval { $job->() };
		295	warn $@ if $@;
		296	undef $busy;
		297	})->prio (Coro::PRIO_MAX);
		298
		299	while ($busy) {
		300	Coro::cede_notself;
		301	Event::one_event unless Coro::nready;
		302	}
		303
		304	wantarray ? @res : $res[0]
		305	} else {
		306	# we are in another coroutine, how wonderful, everything just works
		307
		308	$job->()
		309	}
		310	}
		311
		312	=item $coro = cf::coro { BLOCK }
		313
		314	Creates and returns a new coro. This coro is automcatially being canceled
		315	when the extension calling this is being unloaded.
		316
		317	=cut
		318
		319	sub coro(&) {
		320	my $cb = shift;
		321
		322	my $coro = &cf::async ($cb);
		323
		324	$coro->on_destroy (sub {
		325	delete $EXT_CORO{$coro+0};
		326	});
		327	$EXT_CORO{$coro+0} = $coro;
		328
		329	$coro
		330	}
		331
		332	sub write_runtime {
		333	my $runtime = cf::localdir . "/runtime";
		334
		335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		336	or return;
		337
		338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		340	and return;
		341
		342	aio_fsync $fh
		343	and return;
		344
		345	close $fh
		346	or return;
		347
		348	aio_rename "$runtime~", $runtime
		349	and return;
		350
		351	1
		352	}
		353
146	=back	354	=back
147		355
148	=cut	356	=cut
		357
		358	#############################################################################
		359
		360	package cf::path;
		361
		362	sub new {
		363	my ($class, $path, $base) = @_;
		364
		365	$path = $path->as_string if ref $path;
		366
		367	my $self = bless { }, $class;
		368
		369	# {... are special paths that are not touched
		370	# ?xxx/... are special absolute paths
		371	# ?random/... random maps
		372	# /! non-realised random map exit
		373	# /... normal maps
		374	# ~/... per-player maps without a specific player (DO NOT USE)
		375	# ~user/... per-player map of a specific user
		376
		377	if ($path =~ /^{/) {
		378	# fine as it is
		379	} elsif ($path =~ s{^\?random/}{}) {
		380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		381	$self->{random} = cf::from_json $data;
		382	} else {
		383	if ($path =~ s{^~([^/]+)?}{}) {
		384	$self->{user_rel} = 1;
		385
		386	if (defined $1) {
		387	$self->{user} = $1;
		388	} elsif ($base =~ m{^~([^/]+)/}) {
		389	$self->{user} = $1;
		390	} else {
		391	warn "cannot resolve user-relative path without user <$path,$base>\n";
		392	}
		393	} elsif ($path =~ /^\//) {
		394	# already absolute
		395	} else {
		396	$base =~ s{[^/]+/?$}{};
		397	return $class->new ("$base/$path");
		398	}
		399
		400	for ($path) {
		401	redo if s{/\.?/}{/};
		402	redo if s{/[^/]+/\.\./}{/};
		403	}
		404	}
		405
		406	$self->{path} = $path;
		407
		408	$self
		409	}
		410
		411	# the name / primary key / in-game path
		412	sub as_string {
		413	my ($self) = @_;
		414
		415	$self->{user_rel} ? "~$self->{user}$self->{path}"
		416	: $self->{random} ? "?random/$self->{path}"
		417	: $self->{path}
		418	}
		419
		420	# the displayed name, this is a one way mapping
		421	sub visible_name {
		422	my ($self) = @_;
		423
		424	# if (my $rmp = $self->{random}) {
		425	# # todo: be more intelligent about this
		426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		427	# } else {
		428	$self->as_string
		429	# }
		430	}
		431
		432	# escape the /'s in the path
		433	sub _escaped_path {
		434	# ∕ is U+2215
		435	(my $path = $_[0]{path}) =~ s/\//∕/g;
		436	$path
		437	}
		438
		439	# the original (read-only) location
		440	sub load_path {
		441	my ($self) = @_;
		442
		443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		444	}
		445
		446	# the temporary/swap location
		447	sub save_path {
		448	my ($self) = @_;
		449
		450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		453	}
		454
		455	# the unique path, might be eq to save_path
		456	sub uniq_path {
		457	my ($self) = @_;
		458
		459	$self->{user_rel} || $self->{random}
		460	? undef
		461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		462	}
		463
		464	# return random map parameters, or undef
		465	sub random_map_params {
		466	my ($self) = @_;
		467
		468	$self->{random}
		469	}
		470
		471	# this is somewhat ugly, but style maps do need special treatment
		472	sub is_style_map {
		473	$_[0]{path} =~ m{^/styles/}
		474	}
		475
		476	package cf;
149		477
150	#############################################################################	478	#############################################################################
151		479
152	=head2 ATTACHABLE OBJECTS	480	=head2 ATTACHABLE OBJECTS
153		481
…		…
269	exception.	597	exception.
270		598
271	=cut	599	=cut
272		600
273	# the following variables are defined in .xs and must not be re-created	601	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	602	our @CB_GLOBAL = (); # registry for all global events
		603	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	604	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	605	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	606	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	607	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	608	our @CB_MAP = ();
280		609
281	my %attachment;	610	my %attachment;
282		611
283	sub _attach_cb($$$$) {	612	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	613	my ($registry, $event, $prio, $cb) = @_;
…		…
289		618
290	@{$registry->[$event]} = sort	619	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	620	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	621	@{$registry->[$event] || []}, $cb;
293	}	622	}
		623
		624	# hack
		625	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		626
295	# attach handles attaching event callbacks	627	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	628	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	629	# registry (== where the callback attaches to).
298	sub _attach {	630	sub _attach {
…		…
300		632
301	my $object_type;	633	my $object_type;
302	my $prio = 0;	634	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	635	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		636
		637	#TODO: get rid of this hack
		638	if ($attachable_klass{$klass}) {
		639	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		640	}
		641
305	while (@arg) {	642	while (@arg) {
306	my $type = shift @arg;	643	my $type = shift @arg;
307		644
308	if ($type eq "prio") {	645	if ($type eq "prio") {
309	$prio = shift @arg;	646	$prio = shift @arg;
…		…
384	my ($obj, $name) = @_;	721	my ($obj, $name) = @_;
385		722
386	exists $obj->{_attachment}{$name}	723	exists $obj->{_attachment}{$name}
387	}	724	}
388		725
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	726	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	727	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	728	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	729	(\\\@CB_$klass, KLASS_$klass)
393	}	730	}
394		731
…		…
447	=cut	784	=cut
448		785
449	#############################################################################	786	#############################################################################
450	# object support	787	# object support
451		788
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 {	789	sub reattach {
		790	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	791	my ($obj) = @_;
		792
467	my $registry = $obj->registry;	793	my $registry = $obj->registry;
468		794
469	@$registry = ();	795	@$registry = ();
470		796
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	797	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	806	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	807	}
482	}	808	}
483	}	809	}
484		810
485	sub object_freezer_save {	811	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	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	812	prio => -1000000,
		813	on_instantiate => sub {
		814	my ($obj, $data) = @_;
		815
		816	$data = from_json $data;
		817
		818	for (@$data) {
		819	my ($name, $args) = @$_;
		820
		821	$obj->attach ($name, %{$args || {} });
		822	}
		823	},
		824	on_reattach => \&reattach,
545	on_clone => sub {	825	on_clone => sub {
546	my ($src, $dst) = @_;	826	my ($src, $dst) = @_;
547		827
548	@{$dst->registry} = @{$src->registry};	828	@{$dst->registry} = @{$src->registry};
549		829
…		…
551		831
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	832	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	833	if exists $src->{_attachment};
554	},	834	},
555	);	835	);
		836
		837	sub object_freezer_save {
		838	my ($filename, $rdata, $objs) = @_;
		839
		840	sync_job {
		841	if (length $$rdata) {
		842	warn sprintf "saving %s (%d,%d)\n",
		843	$filename, length $$rdata, scalar @$objs;
		844
		845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		846	chmod SAVE_MODE, $fh;
		847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		848	aio_fsync $fh;
		849	close $fh;
		850
		851	if (@$objs) {
		852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		853	chmod SAVE_MODE, $fh;
		854	my $data = Storable::nfreeze { version => 1, objs => $objs };
		855	aio_write $fh, 0, (length $data), $data, 0;
		856	aio_fsync $fh;
		857	close $fh;
		858	aio_rename "$filename.pst~", "$filename.pst";
		859	}
		860	} else {
		861	aio_unlink "$filename.pst";
		862	}
		863
		864	aio_rename "$filename~", $filename;
		865	} else {
		866	warn "FATAL: $filename~: $!\n";
		867	}
		868	} else {
		869	aio_unlink $filename;
		870	aio_unlink "$filename.pst";
		871	}
		872	}
		873	}
		874
		875	sub object_freezer_as_string {
		876	my ($rdata, $objs) = @_;
		877
		878	use Data::Dumper;
		879
		880	$$rdata . Dumper $objs
		881	}
		882
		883	sub object_thawer_load {
		884	my ($filename) = @_;
		885
		886	my ($data, $av);
		887
		888	(aio_load $filename, $data) >= 0
		889	or return;
		890
		891	unless (aio_stat "$filename.pst") {
		892	(aio_load "$filename.pst", $av) >= 0
		893	or return;
		894	$av = eval { (Storable::thaw $av)->{objs} };
		895	}
		896
		897	warn sprintf "loading %s (%d)\n",
		898	$filename, length $data, scalar @{$av || []};#d#
		899	return ($data, $av);
		900	}
556		901
557	#############################################################################	902	#############################################################################
558	# command handling &c	903	# command handling &c
559		904
560	=item cf::register_command $name => \&callback($ob,$args);	905	=item cf::register_command $name => \&callback($ob,$args);
…		…
780	$self->send ("ext " . to_json \%msg);	1125	$self->send ("ext " . to_json \%msg);
781	}	1126	}
782		1127
783	=back	1128	=back
784		1129
		1130
		1131	=head3 cf::map
		1132
		1133	=over 4
		1134
		1135	=cut
		1136
		1137	package cf::map;
		1138
		1139	use Fcntl;
		1140	use Coro::AIO;
		1141
		1142	our $MAX_RESET = 7200;
		1143	our $DEFAULT_RESET = 3600;
		1144
		1145	sub generate_random_map {
		1146	my ($path, $rmp) = @_;
		1147
		1148	# mit "rum" bekleckern, nicht
		1149	cf::map::_create_random_map
		1150	$path,
		1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1154	$rmp->{exit_on_final_map},
		1155	$rmp->{xsize}, $rmp->{ysize},
		1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1161	(cf::region::find $rmp->{region})
		1162	}
		1163
		1164	# and all this just because we cannot iterate over
		1165	# all maps in C++...
		1166	sub change_all_map_light {
		1167	my ($change) = @_;
		1168
		1169	$_->change_map_light ($change)
		1170	for grep $_->outdoor, values %cf::MAP;
		1171	}
		1172
		1173	sub try_load_header($) {
		1174	my ($path) = @_;
		1175
		1176	utf8::encode $path;
		1177	aio_open $path, O_RDONLY, 0
		1178	or return;
		1179
		1180	my $map = cf::map::new
		1181	or return;
		1182
		1183	$map->load_header ($path)
		1184	or return;
		1185
		1186	$map->{load_path} = $path;
		1187
		1188	$map
		1189	}
		1190
		1191	sub find_map;
		1192	sub find_map {
		1193	my ($path, $origin) = @_;
		1194
		1195	#warn "find_map<$path,$origin>\n";#d#
		1196
		1197	$path = new cf::path $path, $origin && $origin->path;
		1198	my $key = $path->as_string;
		1199
		1200	cf::lock_wait "map_find:$key";
		1201
		1202	$cf::MAP{$key} || do {
		1203	my $guard = cf::lock_acquire "map_find:$key";
		1204
		1205	# do it the slow way
		1206	my $map = try_load_header $path->save_path;
		1207
		1208	if ($map) {
		1209	# safety
		1210	$map->{instantiate_time} = $cf::RUNTIME
		1211	if $map->{instantiate_time} > $cf::RUNTIME;
		1212	} else {
		1213	if (my $rmp = $path->random_map_params) {
		1214	$map = generate_random_map $key, $rmp;
		1215	} else {
		1216	$map = try_load_header $path->load_path;
		1217	}
		1218
		1219	$map or return;
		1220
		1221	$map->{load_original} = 1;
		1222	$map->{instantiate_time} = $cf::RUNTIME;
		1223	$map->instantiate;
		1224
		1225	# per-player maps become, after loading, normal maps
		1226	$map->per_player (0) if $path->{user_rel};
		1227	}
		1228
		1229	$map->path ($key);
		1230	$map->{path} = $path;
		1231	$map->{last_save} = $cf::RUNTIME;
		1232	$map->last_access ($cf::RUNTIME);
		1233
		1234	if ($map->should_reset) {
		1235	$map->reset;
		1236	undef $guard;
		1237	$map = find_map $path
		1238	or return;
		1239	}
		1240
		1241	$cf::MAP{$key} = $map
		1242	}
		1243	}
		1244
		1245	sub load {
		1246	my ($self) = @_;
		1247
		1248	my $path = $self->{path};
		1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1250
		1251	return if $self->in_memory != cf::MAP_SWAPPED;
		1252
		1253	$self->in_memory (cf::MAP_LOADING);
		1254
		1255	$self->alloc;
		1256	$self->load_objects ($self->{load_path}, 1)
		1257	or return;
		1258
		1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1260	if delete $self->{load_original};
		1261
		1262	if (my $uniq = $path->uniq_path) {
		1263	utf8::encode $uniq;
		1264	if (aio_open $uniq, O_RDONLY, 0) {
		1265	$self->clear_unique_items;
		1266	$self->load_objects ($uniq, 0);
		1267	}
		1268	}
		1269
		1270	# now do the right thing for maps
		1271	$self->link_multipart_objects;
		1272
		1273	if ($self->{path}->is_style_map) {
		1274	$self->{deny_save} = 1;
		1275	$self->{deny_reset} = 1;
		1276	} else {
		1277	$self->fix_auto_apply;
		1278	$self->decay_objects;
		1279	$self->update_buttons;
		1280	$self->set_darkness_map;
		1281	$self->difficulty ($self->estimate_difficulty)
		1282	unless $self->difficulty;
		1283	$self->activate;
		1284	}
		1285
		1286	$self->in_memory (cf::MAP_IN_MEMORY);
		1287	}
		1288
		1289	sub load_map_sync {
		1290	my ($path, $origin) = @_;
		1291
		1292	#warn "load_map_sync<$path, $origin>\n";#d#
		1293
		1294	cf::sync_job {
		1295	my $map = cf::map::find_map $path, $origin
		1296	or return;
		1297	$map->load;
		1298	$map
		1299	}
		1300	}
		1301
		1302	sub save {
		1303	my ($self) = @_;
		1304
		1305	$self->{last_save} = $cf::RUNTIME;
		1306
		1307	return unless $self->dirty;
		1308
		1309	my $save = $self->{path}->save_path; utf8::encode $save;
		1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1311
		1312	$self->{load_path} = $save;
		1313
		1314	return if $self->{deny_save};
		1315
		1316	if ($uniq) {
		1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1319	} else {
		1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1321	}
		1322	}
		1323
		1324	sub swap_out {
		1325	my ($self) = @_;
		1326
		1327	return if $self->players;
		1328	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1329	return if $self->{deny_save};
		1330
		1331	$self->save;
		1332	$self->clear;
		1333	$self->in_memory (cf::MAP_SWAPPED);
		1334	}
		1335
		1336	sub reset_at {
		1337	my ($self) = @_;
		1338
		1339	# TODO: safety, remove and allow resettable per-player maps
		1340	return 1e99 if $self->{path}{user_rel};
		1341	return 1e99 if $self->{deny_reset};
		1342
		1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1345
		1346	$time + $to
		1347	}
		1348
		1349	sub should_reset {
		1350	my ($self) = @_;
		1351
		1352	$self->reset_at <= $cf::RUNTIME
		1353	}
		1354
		1355	sub unlink_save {
		1356	my ($self) = @_;
		1357
		1358	utf8::encode (my $save = $self->{path}->save_path);
		1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1361	}
		1362
		1363	sub rename {
		1364	my ($self, $new_path) = @_;
		1365
		1366	$self->unlink_save;
		1367
		1368	delete $cf::MAP{$self->path};
		1369	$self->{path} = new cf::path $new_path;
		1370	$self->path ($self->{path}->as_string);
		1371	$cf::MAP{$self->path} = $self;
		1372
		1373	$self->save;
		1374	}
		1375
		1376	sub reset {
		1377	my ($self) = @_;
		1378
		1379	return if $self->players;
		1380	return if $self->{path}{user_rel};#d#
		1381
		1382	warn "resetting map ", $self->path;#d#
		1383
		1384	delete $cf::MAP{$self->path};
		1385
		1386	$_->clear_links_to ($self) for values %cf::MAP;
		1387
		1388	$self->unlink_save;
		1389	$self->destroy;
		1390	}
		1391
		1392	my $nuke_counter = "aaaa";
		1393
		1394	sub nuke {
		1395	my ($self) = @_;
		1396
		1397	$self->{deny_save} = 1;
		1398	$self->reset_timeout (1);
		1399	$self->rename ("{nuke}/" . ($nuke_counter++));
		1400	$self->reset; # polite request, might not happen
		1401	}
		1402
		1403	sub customise_for {
		1404	my ($map, $ob) = @_;
		1405
		1406	if ($map->per_player) {
		1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1408	}
		1409
		1410	$map
		1411	}
		1412
		1413	sub emergency_save {
		1414	local $cf::FREEZE = 1;
		1415
		1416	warn "enter emergency map save\n";
		1417
		1418	cf::sync_job {
		1419	warn "begin emergency map save\n";
		1420	$_->save for values %cf::MAP;
		1421	};
		1422
		1423	warn "end emergency map save\n";
		1424	}
		1425
		1426	package cf;
		1427
		1428	=back
		1429
		1430
785	=head3 cf::object::player	1431	=head3 cf::object::player
786		1432
787	=over 4	1433	=over 4
788		1434
789	=item $player_object->reply ($npc, $msg[, $flags])	1435	=item $player_object->reply ($npc, $msg[, $flags])
…		…
824	(ref $cf::CFG{"may_$access"}	1470	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1471	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1472	: $cf::CFG{"may_$access"})
827	}	1473	}
828		1474
		1475	=item $player_object->enter_link
		1476
		1477	Freezes the player and moves him/her to a special map (C<{link}>).
		1478
		1479	The player should be reaosnably safe there for short amounts of time. You
		1480	I<MUST> call C<leave_link> as soon as possible, though.
		1481
		1482	=item $player_object->leave_link ($map, $x, $y)
		1483
		1484	Moves the player out of the specila link map onto the given map. If the
		1485	map is not valid (or omitted), the player will be moved back to the
		1486	location he/she was before the call to C<enter_link>, or, if that fails,
		1487	to the emergency map position.
		1488
		1489	Might block.
		1490
		1491	=cut
		1492
		1493	sub cf::object::player::enter_link {
		1494	my ($self) = @_;
		1495
		1496	$self->deactivate_recursive;
		1497
		1498	return if $self->map == $LINK_MAP;
		1499
		1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1501	if $self->map;
		1502
		1503	$self->enter_map ($LINK_MAP, 20, 20);
		1504	}
		1505
		1506	sub cf::object::player::leave_link {
		1507	my ($self, $map, $x, $y) = @_;
		1508
		1509	my $link_pos = delete $self->{_link_pos};
		1510
		1511	unless ($map) {
		1512	# restore original map position
		1513	($map, $x, $y) = @{ $link_pos || [] };
		1514	$map = cf::map::find_map $map;
		1515
		1516	unless ($map) {
		1517	($map, $x, $y) = @$EMERGENCY_POSITION;
		1518	$map = cf::map::find_map $map
		1519	or die "FATAL: cannot load emergency map\n";
		1520	}
		1521	}
		1522
		1523	($x, $y) = (-1, -1)
		1524	unless (defined $x) && (defined $y);
		1525
		1526	# use -1 or undef as default coordinates, not 0, 0
		1527	($x, $y) = ($map->enter_x, $map->enter_y)
		1528	if $x <=0 && $y <= 0;
		1529
		1530	$map->load;
		1531
		1532	$self->activate_recursive;
		1533	$self->enter_map ($map, $x, $y);
		1534	}
		1535
		1536	cf::player->attach (
		1537	on_logout => sub {
		1538	my ($pl) = @_;
		1539
		1540	# abort map switching before logout
		1541	if ($pl->ob->{_link_pos}) {
		1542	cf::sync_job {
		1543	$pl->ob->leave_link
		1544	};
		1545	}
		1546	},
		1547	on_login => sub {
		1548	my ($pl) = @_;
		1549
		1550	# try to abort aborted map switching on player login :)
		1551	# should happen only on crashes
		1552	if ($pl->ob->{_link_pos}) {
		1553	$pl->ob->enter_link;
		1554	cf::async {
		1555	# we need this sleep as the login has a concurrent enter_exit running
		1556	# and this sleep increases chances of the player not ending up in scorn
		1557	Coro::Timer::sleep 1;
		1558	$pl->ob->leave_link;
		1559	};
		1560	}
		1561	},
		1562	);
		1563
		1564	=item $player_object->goto_map ($path, $x, $y)
		1565
		1566	=cut
		1567
		1568	sub cf::object::player::goto_map {
		1569	my ($self, $path, $x, $y) = @_;
		1570
		1571	$self->enter_link;
		1572
		1573	(cf::async {
		1574	$path = new cf::path $path;
		1575
		1576	my $map = cf::map::find_map $path->as_string;
		1577	$map = $map->customise_for ($self) if $map;
		1578
		1579	# warn "entering ", $map->path, " at ($x, $y)\n"
		1580	# if $map;
		1581
		1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1583
		1584	$self->leave_link ($map, $x, $y);
		1585	})->prio (1);
		1586	}
		1587
		1588	=item $player_object->enter_exit ($exit_object)
		1589
		1590	=cut
		1591
		1592	sub parse_random_map_params {
		1593	my ($spec) = @_;
		1594
		1595	my $rmp = { # defaults
		1596	xsize => 10,
		1597	ysize => 10,
		1598	};
		1599
		1600	for (split /\n/, $spec) {
		1601	my ($k, $v) = split /\s+/, $_, 2;
		1602
		1603	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1604	}
		1605
		1606	$rmp
		1607	}
		1608
		1609	sub prepare_random_map {
		1610	my ($exit) = @_;
		1611
		1612	# all this does is basically replace the /! path by
		1613	# a new random map path (?random/...) with a seed
		1614	# that depends on the exit object
		1615
		1616	my $rmp = parse_random_map_params $exit->msg;
		1617
		1618	if ($exit->map) {
		1619	$rmp->{region} = $exit->map->region_name;
		1620	$rmp->{origin_map} = $exit->map->path;
		1621	$rmp->{origin_x} = $exit->x;
		1622	$rmp->{origin_y} = $exit->y;
		1623	}
		1624
		1625	$rmp->{random_seed} ||= $exit->random_seed;
		1626
		1627	my $data = cf::to_json $rmp;
		1628	my $md5 = Digest::MD5::md5_hex $data;
		1629
		1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1631	aio_write $fh, 0, (length $data), $data, 0;
		1632
		1633	$exit->slaying ("?random/$md5");
		1634	$exit->msg (undef);
		1635	}
		1636	}
		1637
		1638	sub cf::object::player::enter_exit {
		1639	my ($self, $exit) = @_;
		1640
		1641	return unless $self->type == cf::PLAYER;
		1642
		1643	$self->enter_link;
		1644
		1645	(cf::async {
		1646	unless (eval {
		1647	prepare_random_map $exit
		1648	if $exit->slaying eq "/!";
		1649
		1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1652
		1653	1;
		1654	}) {
		1655	$self->message ("Something went wrong deep within the crossfire server. "
		1656	. "I'll try to bring you back to the map you were before. "
		1657	. "Please report this to the dungeon master",
		1658	cf::NDI_UNIQUE | cf::NDI_RED);
		1659
		1660	warn "ERROR in enter_exit: $@";
		1661	$self->leave_link;
		1662	}
		1663	})->prio (1);
		1664	}
		1665
829	=head3 cf::client	1666	=head3 cf::client
830		1667
831	=over 4	1668	=over 4
832		1669
833	=item $client->send_drawinfo ($text, $flags)	1670	=item $client->send_drawinfo ($text, $flags)
…		…
886		1723
887	if (@{ $ns->{query_queue} } == @$queue) {	1724	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	1725	if (@$queue) {
889	$ns->send_packet ($ns->{query_queue}[0][0]);	1726	$ns->send_packet ($ns->{query_queue}[0][0]);
890	} else {	1727	} else {
891	$ns->state (ST_PLAYING);	1728	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
892	}	1729	}
893	}	1730	}
894	},	1731	},
895	);	1732	);
896		1733
…		…
903	=cut	1740	=cut
904		1741
905	sub cf::client::coro {	1742	sub cf::client::coro {
906	my ($self, $cb) = @_;	1743	my ($self, $cb) = @_;
907		1744
908	my $coro; $coro = async {	1745	my $coro = &cf::async ($cb);
909	eval {	1746
910	$cb->();	1747	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	1748	delete $self->{_coro}{$coro+0};
914	};	1749	});
915		1750
916	$self->{_coro}{$coro+0} = $coro;	1751	$self->{_coro}{$coro+0} = $coro;
		1752
		1753	$coro
917	}	1754	}
918		1755
919	cf::client->attach (	1756	cf::client->attach (
920	on_destroy => sub {	1757	on_destroy => sub {
921	my ($ns) = @_;	1758	my ($ns) = @_;
…		…
1085		1922
1086	{	1923	{
1087	my $path = cf::localdir . "/database.pst";	1924	my $path = cf::localdir . "/database.pst";
1088		1925
1089	sub db_load() {	1926	sub db_load() {
1090	warn "loading database $path\n";#d# remove later
1091	$DB = stat $path ? Storable::retrieve $path : { };	1927	$DB = stat $path ? Storable::retrieve $path : { };
1092	}	1928	}
1093		1929
1094	my $pid;	1930	my $pid;
1095		1931
1096	sub db_save() {	1932	sub db_save() {
1097	warn "saving database $path\n";#d# remove later
1098	waitpid $pid, 0 if $pid;	1933	waitpid $pid, 0 if $pid;
1099	if (0 == ($pid = fork)) {	1934	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;	1935	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";	1936	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;	1937	rename "$path~", $path;
…		…
1153	local $/;	1988	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	1989	*CFG = YAML::Syck::Load <$fh>;
1155	}	1990	}
1156		1991
1157	sub main {	1992	sub main {
		1993	# we must not ever block the main coroutine
		1994	local $Coro::idle = sub {
		1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1996	(Coro::unblock_sub {
		1997	Event::one_event;
		1998	})->();
		1999	};
		2000
1158	cfg_load;	2001	cfg_load;
1159	db_load;	2002	db_load;
1160	load_extensions;	2003	load_extensions;
1161	Event::loop;	2004	Event::loop;
1162	}	2005	}
1163		2006
1164	#############################################################################	2007	#############################################################################
1165	# initialisation	2008	# initialisation
1166		2009
1167	sub _perl_reload(&) {	2010	sub reload() {
1168	my ($msg) = @_;	2011	# can/must only be called in main
		2012	if ($Coro::current != $Coro::main) {
		2013	warn "can only reload from main coroutine\n";
		2014	return;
		2015	}
1169		2016
1170	$msg->("reloading...");	2017	warn "reloading...";
		2018
		2019	local $FREEZE = 1;
		2020	cf::emergency_save;
1171		2021
1172	eval {	2022	eval {
		2023	# if anything goes wrong in here, we should simply crash as we already saved
		2024
1173	# cancel all watchers	2025	# cancel all watchers
1174	for (Event::all_watchers) {	2026	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2027	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2028	}
1177		2029
		2030	# cancel all extension coros
		2031	$_->cancel for values %EXT_CORO;
		2032	%EXT_CORO = ();
		2033
1178	# unload all extensions	2034	# unload all extensions
1179	for (@exts) {	2035	for (@exts) {
1180	$msg->("unloading <$_>");	2036	warn "unloading <$_>";
1181	unload_extension $_;	2037	unload_extension $_;
1182	}	2038	}
1183		2039
1184	# unload all modules loaded from $LIBDIR	2040	# unload all modules loaded from $LIBDIR
1185	while (my ($k, $v) = each %INC) {	2041	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2043
1188	$msg->("removing <$k>");	2044	warn "removing <$k>";
1189	delete $INC{$k};	2045	delete $INC{$k};
1190		2046
1191	$k =~ s/\.pm$//;	2047	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2048	$k =~ s/\//::/g;
1193		2049
…		…
1198	Symbol::delete_package $k;	2054	Symbol::delete_package $k;
1199	}	2055	}
1200		2056
1201	# sync database to disk	2057	# sync database to disk
1202	cf::db_sync;	2058	cf::db_sync;
		2059	IO::AIO::flush;
1203		2060
1204	# get rid of safe::, as good as possible	2061	# get rid of safe::, as good as possible
1205	Symbol::delete_package "safe::$_"	2062	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2064
1208	# remove register_script_function callbacks	2065	# remove register_script_function callbacks
1209	# TODO	2066	# TODO
1210		2067
1211	# unload cf.pm "a bit"	2068	# unload cf.pm "a bit"
…		…
1214	# don't, removes xs symbols, too,	2071	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2072	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2073	#Symbol::delete_package __PACKAGE__;
1217		2074
1218	# reload cf.pm	2075	# reload cf.pm
1219	$msg->("reloading cf.pm");	2076	warn "reloading cf.pm";
1220	require cf;	2077	require cf;
		2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2079
1222	# load config and database again	2080	# load config and database again
1223	cf::cfg_load;	2081	cf::cfg_load;
1224	cf::db_load;	2082	cf::db_load;
1225		2083
1226	# load extensions	2084	# load extensions
1227	$msg->("load extensions");	2085	warn "load extensions";
1228	cf::load_extensions;	2086	cf::load_extensions;
1229		2087
1230	# reattach attachments to objects	2088	# reattach attachments to objects
1231	$msg->("reattach");	2089	warn "reattach";
1232	_global_reattach;	2090	_global_reattach;
1233	};	2091	};
1234	$msg->($@) if $@;
1235		2092
1236	$msg->("reloaded");	2093	if ($@) {
		2094	warn $@;
		2095	warn "error while reloading, exiting.";
		2096	exit 1;
		2097	}
		2098
		2099	warn "reloaded successfully";
1237	};	2100	};
1238		2101
1239	sub perl_reload() {	2102	#############################################################################
1240	_perl_reload {	2103
1241	warn $_[0];	2104	unless ($LINK_MAP) {
1242	print "$_[0]\n";	2105	$LINK_MAP = cf::map::new;
1243	};	2106
		2107	$LINK_MAP->width (41);
		2108	$LINK_MAP->height (41);
		2109	$LINK_MAP->alloc;
		2110	$LINK_MAP->path ("{link}");
		2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2113
		2114	# dirty hack because... archetypes are not yet loaded
		2115	Event->timer (
		2116	after => 2,
		2117	cb => sub {
		2118	$_[0]->w->cancel;
		2119
		2120	# provide some exits "home"
		2121	my $exit = cf::object::new "exit";
		2122
		2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2126
		2127	$LINK_MAP->insert ($exit->clone, 19, 19);
		2128	$LINK_MAP->insert ($exit->clone, 19, 20);
		2129	$LINK_MAP->insert ($exit->clone, 19, 21);
		2130	$LINK_MAP->insert ($exit->clone, 20, 19);
		2131	$LINK_MAP->insert ($exit->clone, 20, 21);
		2132	$LINK_MAP->insert ($exit->clone, 21, 19);
		2133	$LINK_MAP->insert ($exit->clone, 21, 20);
		2134	$LINK_MAP->insert ($exit->clone, 21, 21);
		2135
		2136	$exit->destroy;
		2137	});
		2138
		2139	$LINK_MAP->{deny_save} = 1;
		2140	$LINK_MAP->{deny_reset} = 1;
		2141
		2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1244	}	2143	}
1245		2144
1246	register "<global>", __PACKAGE__;	2145	register "<global>", __PACKAGE__;
1247		2146
1248	register_command "perl-reload" => sub {	2147	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2148	my ($who, $arg) = @_;
1250		2149
1251	if ($who->flag (FLAG_WIZ)) {	2150	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2151	$who->message ("start of reload.");
1253	warn $_[0];	2152	reload;
1254	$who->message ($_[0]);	2153	$who->message ("end of reload.");
1255	};
1256	}	2154	}
1257	};	2155	};
1258		2156
1259	unshift @INC, $LIBDIR;	2157	unshift @INC, $LIBDIR;
1260		2158
1261	$TICK_WATCHER = Event->timer (	2159	$TICK_WATCHER = Event->timer (
		2160	reentrant => 0,
1262	prio => 0,	2161	prio => 0,
1263	at => $NEXT_TICK || 1,	2162	at => $NEXT_TICK || $TICK,
1264	data => WF_AUTOCANCEL,	2163	data => WF_AUTOCANCEL,
1265	cb => sub {	2164	cb => sub {
		2165	unless ($FREEZE) {
1266	cf::server_tick; # one server iteration	2166	cf::server_tick; # one server iteration
		2167	$RUNTIME += $TICK;
		2168	}
1267		2169
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2170	$NEXT_TICK += $TICK;
1270		2171
1271	# if we are delayed by four ticks or more, skip them all	2172	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1273		2174
1274	$TICK_WATCHER->at ($NEXT_TICK);	2175	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2176	$TICK_WATCHER->start;
1276	},	2177	},
1277	);	2178	);
1278		2179
1279	IO::AIO::max_poll_time $TICK * 0.2;	2180	IO::AIO::max_poll_time $TICK * 0.2;
1280		2181
		2182	Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	2183	fd => IO::AIO::poll_fileno,
1282	poll => 'r',	2184	poll => 'r',
1283	prio => 5,	2185	prio => 5,
1284	data => WF_AUTOCANCEL,	2186	data => WF_AUTOCANCEL,
1285	cb => \&IO::AIO::poll_cb);	2187	cb => \&IO::AIO::poll_cb,
		2188	);
		2189
		2190	Event->timer (
		2191	data => WF_AUTOCANCEL,
		2192	after => 0,
		2193	interval => 10,
		2194	cb => sub {
		2195	(Coro::unblock_sub {
		2196	write_runtime
		2197	or warn "ERROR: unable to write runtime file: $!";
		2198	})->();
		2199	},
		2200	);
		2201
		2202	END { cf::emergency_save }
1286		2203
1287	1	2204	1
1288		2205

Diff Legend

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