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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs.
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC

1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
10	use IO::AIO ();	22	use IO::AIO 2.31 ();
11	use YAML::Syck ();	23	use YAML::Syck ();
12	use Time::HiRes;	24	use Time::HiRes;
13	use Event;	25
14	$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
15		27
16	# 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?
17	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
18		30
19	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		32
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		34
23	our %COMMAND = ();	35	our %COMMAND = ();
24	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	37	our %EXTCMD = ();
26		38
27	_init_vars;
28
29	our @EVENT;	39	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
31		41
32	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	43	our $TICK_WATCHER;
34	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
35		46
36	our %CFG;	47	our %CFG;
37		48
38	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];
39		78
40	#############################################################################	79	#############################################################################
41		80
42	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
43		82
44	=over 4	83	=over 4
45		84
46	=item $cf::UPTIME	85	=item $cf::UPTIME
47		86
48	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.
49		93
50	=item $cf::LIBDIR	94	=item $cf::LIBDIR
51		95
52	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
53	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.
54		102
55	=item $cf::TICK	103	=item $cf::TICK
56		104
57	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
58		106
…		…
66	=cut	114	=cut
67		115
68	BEGIN {	116	BEGIN {
69	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
71	$msg .= "\n"	121	$msg .= "\n"
72	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
73		123
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
76	};	125	};
77	}	126	}
78		127
79	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
84	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
85		134
86	# 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
87	# within the Safe compartment.	136	# within the Safe compartment.
88	for my $pkg (qw(	137	for my $pkg (qw(
89	cf::global	138	cf::global cf::attachable
90	cf::object cf::object::player	139	cf::object cf::object::player
91	cf::client cf::player	140	cf::client cf::player
92	cf::arch cf::living	141	cf::arch cf::living
93	cf::map cf::party cf::region	142	cf::map cf::party cf::region
94	)) {	143	)) {
…		…
132	sub to_json($) {	181	sub to_json($) {
133	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
134	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
135	}	184	}
136		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($Coro::main) is
		189	always able to handle events or runnable, as crossfire+ is only partly
		190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		191
		192	If it must be done, put the blocking parts into C<sync_job>. This will run
		193	the given BLOCK in another coroutine while waiting for the result. The
		194	server will be frozen during this time, so the block should either finish
		195	fast or be very important.
		196
		197	=cut
		198
		199	sub sync_job(&) {
		200	my ($job) = @_;
		201
		202	if ($Coro::current == $Coro::main) {
		203	# this is the main coro, too bad, we have to block
		204	# till the operation succeeds, freezing the server :/
		205
		206	# TODO: use suspend/resume instead
		207	# (but this is cancel-safe)
		208	local $FREEZE = 1;
		209
		210	my $busy = 1;
		211	my @res;
		212
		213	(Coro::async {
		214	@res = eval { $job->() };
		215	warn $@ if $@;
		216	undef $busy;
		217	})->prio (Coro::PRIO_MAX);
		218
		219	while ($busy) {
		220	Coro::cede_notself;
		221	Event::one_event unless Coro::nready;
		222	}
		223
		224	wantarray ? @res : $res[0]
		225	} else {
		226	# we are in another coroutine, how wonderful, everything just works
		227
		228	$job->()
		229	}
		230	}
		231
		232	=item $coro = cf::coro { BLOCK }
		233
		234	Creates and returns a new coro. This coro is automcatially being canceled
		235	when the extension calling this is being unloaded.
		236
		237	=cut
		238
		239	sub coro(&) {
		240	my $cb = shift;
		241
		242	my $coro; $coro = async {
		243	eval {
		244	$cb->();
		245	};
		246	warn $@ if $@;
		247	};
		248
		249	$coro->on_destroy (sub {
		250	delete $EXT_CORO{$coro+0};
		251	});
		252	$EXT_CORO{$coro+0} = $coro;
		253
		254	$coro
		255	}
		256
		257	sub write_runtime {
		258	my $runtime = cf::localdir . "/runtime";
		259
		260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		261	or return;
		262
		263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		265	and return;
		266
		267	aio_fsync $fh
		268	and return;
		269
		270	close $fh
		271	or return;
		272
		273	aio_rename "$runtime~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
137	=back	279	=back
138		280
139	=cut	281	=cut
		282
		283	#############################################################################
		284
		285	package cf::path;
		286
		287	sub new {
		288	my ($class, $path, $base) = @_;
		289
		290	$path = $path->as_string if ref $path;
		291
		292	my $self = bless { }, $class;
		293
		294	if ($path =~ s{^\?random/}{}) {
		295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		296	$self->{random} = cf::from_json $data;
		297	} else {
		298	if ($path =~ s{^~([^/]+)?}{}) {
		299	$self->{user_rel} = 1;
		300
		301	if (defined $1) {
		302	$self->{user} = $1;
		303	} elsif ($base =~ m{^~([^/]+)/}) {
		304	$self->{user} = $1;
		305	} else {
		306	warn "cannot resolve user-relative path without user <$path,$base>\n";
		307	}
		308	} elsif ($path =~ /^\//) {
		309	# already absolute
		310	} else {
		311	$base =~ s{[^/]+/?$}{};
		312	return $class->new ("$base/$path");
		313	}
		314
		315	for ($path) {
		316	redo if s{/\.?/}{/};
		317	redo if s{/[^/]+/\.\./}{/};
		318	}
		319	}
		320
		321	$self->{path} = $path;
		322
		323	$self
		324	}
		325
		326	# the name / primary key / in-game path
		327	sub as_string {
		328	my ($self) = @_;
		329
		330	$self->{user_rel} ? "~$self->{user}$self->{path}"
		331	: $self->{random} ? "?random/$self->{path}"
		332	: $self->{path}
		333	}
		334
		335	# the displayed name, this is a one way mapping
		336	sub visible_name {
		337	my ($self) = @_;
		338
		339	# if (my $rmp = $self->{random}) {
		340	# # todo: be more intelligent about this
		341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		342	# } else {
		343	$self->as_string
		344	# }
		345	}
		346
		347	# escape the /'s in the path
		348	sub _escaped_path {
		349	# ∕ is U+2215
		350	(my $path = $_[0]{path}) =~ s/\//∕/g;
		351	$path
		352	}
		353
		354	# the original (read-only) location
		355	sub load_path {
		356	my ($self) = @_;
		357
		358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		359	}
		360
		361	# the temporary/swap location
		362	sub save_path {
		363	my ($self) = @_;
		364
		365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		368	}
		369
		370	# the unique path, might be eq to save_path
		371	sub uniq_path {
		372	my ($self) = @_;
		373
		374	$self->{user_rel} || $self->{random}
		375	? undef
		376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		377	}
		378
		379	# return random map parameters, or undef
		380	sub random_map_params {
		381	my ($self) = @_;
		382
		383	$self->{random}
		384	}
		385
		386	# this is somewhat ugly, but style maps do need special treatment
		387	sub is_style_map {
		388	$_[0]{path} =~ m{^/styles/}
		389	}
		390
		391	package cf;
140		392
141	#############################################################################	393	#############################################################################
142		394
143	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
144		396
…		…
249	my ($self, $victim) = @_;	501	my ($self, $victim) = @_;
250	...	502	...
251	}	503	}
252	}	504	}
253		505
		506	=item $attachable->valid
		507
		508	Just because you have a perl object does not mean that the corresponding
		509	C-level object still exists. If you try to access an object that has no
		510	valid C counterpart anymore you get an exception at runtime. This method
		511	can be used to test for existence of the C object part without causing an
		512	exception.
		513
254	=cut	514	=cut
255		515
256	# the following variables are defined in .xs and must not be re-created	516	# the following variables are defined in .xs and must not be re-created
257	our @CB_GLOBAL = (); # registry for all global events	517	our @CB_GLOBAL = (); # registry for all global events
		518	our @CB_ATTACHABLE = (); # registry for all attachables
258	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	519	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
259	our @CB_PLAYER = ();	520	our @CB_PLAYER = ();
260	our @CB_CLIENT = ();	521	our @CB_CLIENT = ();
261	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
262	our @CB_MAP = ();	523	our @CB_MAP = ();
263		524
264	my %attachment;	525	my %attachment;
265		526
266	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
267	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
…		…
272		533
273	@{$registry->[$event]} = sort	534	@{$registry->[$event]} = sort
274	{ $a->[0] cmp $b->[0] }	535	{ $a->[0] cmp $b->[0] }
275	@{$registry->[$event] || []}, $cb;	536	@{$registry->[$event] || []}, $cb;
276	}	537	}
		538
		539	# hack
		540	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
277		541
278	# attach handles attaching event callbacks	542	# attach handles attaching event callbacks
279	# the only thing the caller has to do is pass the correct	543	# the only thing the caller has to do is pass the correct
280	# registry (== where the callback attaches to).	544	# registry (== where the callback attaches to).
281	sub _attach {	545	sub _attach {
…		…
283		547
284	my $object_type;	548	my $object_type;
285	my $prio = 0;	549	my $prio = 0;
286	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	550	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
287		551
		552	#TODO: get rid of this hack
		553	if ($attachable_klass{$klass}) {
		554	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		555	}
		556
288	while (@arg) {	557	while (@arg) {
289	my $type = shift @arg;	558	my $type = shift @arg;
290		559
291	if ($type eq "prio") {	560	if ($type eq "prio") {
292	$prio = shift @arg;	561	$prio = shift @arg;
…		…
367	my ($obj, $name) = @_;	636	my ($obj, $name) = @_;
368		637
369	exists $obj->{_attachment}{$name}	638	exists $obj->{_attachment}{$name}
370	}	639	}
371		640
372	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	641	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
373	eval "#line " . __LINE__ . " 'cf.pm'	642	eval "#line " . __LINE__ . " 'cf.pm'
374	sub cf::\L$klass\E::_attach_registry {	643	sub cf::\L$klass\E::_attach_registry {
375	(\\\@CB_$klass, KLASS_$klass)	644	(\\\@CB_$klass, KLASS_$klass)
376	}	645	}
377		646
…		…
413	}	682	}
414		683
415	0	684	0
416	}	685	}
417		686
418	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
419		688
420	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
421
422	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
423
424	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)	689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
425		690
426	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
427
428	Generate a global/object/player/map-specific event with the given arguments.	691	Generate an object-specific event with the given arguments.
429		692
430	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
431	removed in future versions), and there is no public API to access override	694	removed in future versions), and there is no public API to access override
432	results (if you must, access C<@cf::invoke_results> directly).	695	results (if you must, access C<@cf::invoke_results> directly).
433		696
434	=back	697	=back
435		698
436	=cut	699	=cut
437		700
438	#############################################################################	701	#############################################################################
439
440	=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
441
442	Attachable objects includes objects, players, clients and maps.
443
444	=over 4
445
446	=item $object->valid
447
448	Just because you have a perl object does not mean that the corresponding
449	C-level object still exists. If you try to access an object that has no
450	valid C counterpart anymore you get an exception at runtime. This method
451	can be used to test for existence of the C object part without causing an
452	exception.
453
454	=back
455
456	=cut
457
458	#############################################################################
459	# object support	702	# object support
460		703
461	sub instantiate {
462	my ($obj, $data) = @_;
463
464	$data = from_json $data;
465
466	for (@$data) {
467	my ($name, $args) = @$_;
468
469	$obj->attach ($name, %{$args || {} });
470	}
471	}
472
473	# basically do the same as instantiate, without calling instantiate
474	sub reattach {	704	sub reattach {
		705	# basically do the same as instantiate, without calling instantiate
475	my ($obj) = @_;	706	my ($obj) = @_;
		707
476	my $registry = $obj->registry;	708	my $registry = $obj->registry;
477		709
478	@$registry = ();	710	@$registry = ();
479		711
480	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	712	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
489	warn "object uses attachment '$name' that is not available, postponing.\n";	721	warn "object uses attachment '$name' that is not available, postponing.\n";
490	}	722	}
491	}	723	}
492	}	724	}
493		725
494	sub object_freezer_save {	726	cf::attachable->attach (
495	my ($filename, $rdata, $objs) = @_;
496
497	if (length $$rdata) {
498	warn sprintf "saving %s (%d,%d)\n",
499	$filename, length $$rdata, scalar @$objs;
500
501	if (open my $fh, ">:raw", "$filename~") {
502	chmod SAVE_MODE, $fh;
503	syswrite $fh, $$rdata;
504	close $fh;
505
506	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
507	chmod SAVE_MODE, $fh;
508	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
509	close $fh;
510	rename "$filename.pst~", "$filename.pst";
511	} else {
512	unlink "$filename.pst";
513	}
514
515	rename "$filename~", $filename;
516	} else {
517	warn "FATAL: $filename~: $!\n";
518	}
519	} else {
520	unlink $filename;
521	unlink "$filename.pst";
522	}
523	}
524
525	sub object_freezer_as_string {
526	my ($rdata, $objs) = @_;
527
528	use Data::Dumper;
529
530	$$rdata . Dumper $objs
531	}
532
533	sub object_thawer_load {
534	my ($filename) = @_;
535
536	local $/;
537
538	my $av;
539
540	#TODO: use sysread etc.
541	if (open my $data, "<:raw:perlio", $filename) {
542	$data = <$data>;
543	if (open my $pst, "<:raw:perlio", "$filename.pst") {
544	$av = eval { (Storable::thaw <$pst>)->{objs} };
545	}
546	return ($data, $av);
547	}
548
549	()
550	}
551
552	cf::object->attach (
553	prio => -1000000,	727	prio => -1000000,
		728	on_instantiate => sub {
		729	my ($obj, $data) = @_;
		730
		731	$data = from_json $data;
		732
		733	for (@$data) {
		734	my ($name, $args) = @$_;
		735
		736	$obj->attach ($name, %{$args || {} });
		737	}
		738	},
		739	on_reattach => \&reattach,
554	on_clone => sub {	740	on_clone => sub {
555	my ($src, $dst) = @_;	741	my ($src, $dst) = @_;
556		742
557	@{$dst->registry} = @{$src->registry};	743	@{$dst->registry} = @{$src->registry};
558		744
…		…
560		746
561	%{$dst->{_attachment}} = %{$src->{_attachment}}	747	%{$dst->{_attachment}} = %{$src->{_attachment}}
562	if exists $src->{_attachment};	748	if exists $src->{_attachment};
563	},	749	},
564	);	750	);
		751
		752	sub object_freezer_save {
		753	my ($filename, $rdata, $objs) = @_;
		754
		755	sync_job {
		756	if (length $$rdata) {
		757	warn sprintf "saving %s (%d,%d)\n",
		758	$filename, length $$rdata, scalar @$objs;
		759
		760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		761	chmod SAVE_MODE, $fh;
		762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		763	aio_fsync $fh;
		764	close $fh;
		765
		766	if (@$objs) {
		767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		768	chmod SAVE_MODE, $fh;
		769	my $data = Storable::nfreeze { version => 1, objs => $objs };
		770	aio_write $fh, 0, (length $data), $data, 0;
		771	aio_fsync $fh;
		772	close $fh;
		773	aio_rename "$filename.pst~", "$filename.pst";
		774	}
		775	} else {
		776	aio_unlink "$filename.pst";
		777	}
		778
		779	aio_rename "$filename~", $filename;
		780	} else {
		781	warn "FATAL: $filename~: $!\n";
		782	}
		783	} else {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
		787	}
		788	}
		789
		790	sub object_freezer_as_string {
		791	my ($rdata, $objs) = @_;
		792
		793	use Data::Dumper;
		794
		795	$$rdata . Dumper $objs
		796	}
		797
		798	sub object_thawer_load {
		799	my ($filename) = @_;
		800
		801	my ($data, $av);
		802
		803	(aio_load $filename, $data) >= 0
		804	or return;
		805
		806	unless (aio_stat "$filename.pst") {
		807	(aio_load "$filename.pst", $av) >= 0
		808	or return;
		809	$av = eval { (Storable::thaw $av)->{objs} };
		810	}
		811
		812	return ($data, $av);
		813	}
565		814
566	#############################################################################	815	#############################################################################
567	# command handling &c	816	# command handling &c
568		817
569	=item cf::register_command $name => \&callback($ob,$args);	818	=item cf::register_command $name => \&callback($ob,$args);
…		…
758		1007
759	=head2 CORE EXTENSIONS	1008	=head2 CORE EXTENSIONS
760		1009
761	Functions and methods that extend core crossfire objects.	1010	Functions and methods that extend core crossfire objects.
762		1011
		1012	=head3 cf::player
		1013
763	=over 4	1014	=over 4
764		1015
765	=item cf::player::exists $login	1016	=item cf::player::exists $login
766		1017
767	Returns true when the given account exists.	1018	Returns true when the given account exists.
…		…
771	sub cf::player::exists($) {	1022	sub cf::player::exists($) {
772	cf::player::find $_[0]	1023	cf::player::find $_[0]
773	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
774	}	1025	}
775		1026
		1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1028
		1029	Sends an ext reply to the player.
		1030
		1031	=cut
		1032
		1033	sub cf::player::ext_reply($$$%) {
		1034	my ($self, $id, %msg) = @_;
		1035
		1036	$msg{msgid} = $id;
		1037
		1038	$self->send ("ext " . to_json \%msg);
		1039	}
		1040
		1041	=back
		1042
		1043
		1044	=head3 cf::map
		1045
		1046	=over 4
		1047
		1048	=cut
		1049
		1050	package cf::map;
		1051
		1052	use Fcntl;
		1053	use Coro::AIO;
		1054
		1055	our $MAX_RESET = 7200;
		1056	our $DEFAULT_RESET = 3600;
		1057
		1058	sub generate_random_map {
		1059	my ($path, $rmp) = @_;
		1060
		1061	# mit "rum" bekleckern, nicht
		1062	cf::map::_create_random_map
		1063	$path,
		1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1067	$rmp->{exit_on_final_map},
		1068	$rmp->{xsize}, $rmp->{ysize},
		1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1074	(cf::region::find $rmp->{region})
		1075	}
		1076
		1077	# and all this just because we cannot iterate over
		1078	# all maps in C++...
		1079	sub change_all_map_light {
		1080	my ($change) = @_;
		1081
		1082	$_->change_map_light ($change) for values %cf::MAP;
		1083	}
		1084
		1085	sub try_load_header($) {
		1086	my ($path) = @_;
		1087
		1088	utf8::encode $path;
		1089	aio_open $path, O_RDONLY, 0
		1090	or return;
		1091
		1092	my $map = cf::map::new
		1093	or return;
		1094
		1095	$map->load_header ($path)
		1096	or return;
		1097
		1098	$map->{load_path} = $path;
		1099
		1100	$map
		1101	}
		1102
		1103	sub find_map {
		1104	my ($path, $origin) = @_;
		1105
		1106	#warn "find_map<$path,$origin>\n";#d#
		1107
		1108	$path = new cf::path $path, $origin && $origin->path;
		1109	my $key = $path->as_string;
		1110
		1111	$cf::MAP{$key} || do {
		1112	# do it the slow way
		1113	my $map = try_load_header $path->save_path;
		1114
		1115	if ($map) {
		1116	# safety
		1117	$map->{instantiate_time} = $cf::RUNTIME
		1118	if $map->{instantiate_time} > $cf::RUNTIME;
		1119	} else {
		1120	if (my $rmp = $path->random_map_params) {
		1121	$map = generate_random_map $key, $rmp;
		1122	} else {
		1123	$map = try_load_header $path->load_path;
		1124	}
		1125
		1126	$map or return;
		1127
		1128	$map->{load_original} = 1;
		1129	$map->{instantiate_time} = $cf::RUNTIME;
		1130	$map->instantiate;
		1131
		1132	# per-player maps become, after loading, normal maps
		1133	$map->per_player (0) if $path->{user_rel};
		1134	}
		1135
		1136	$map->path ($key);
		1137	$map->{path} = $path;
		1138	$map->last_access ($cf::RUNTIME);
		1139
		1140	if ($map->should_reset) {
		1141	$map->reset;
		1142	$map = find_map $path;
		1143	}
		1144
		1145	$cf::MAP{$key} = $map
		1146	}
		1147	}
		1148
		1149	sub load {
		1150	my ($self) = @_;
		1151
		1152	return if $self->in_memory != cf::MAP_SWAPPED;
		1153
		1154	$self->in_memory (cf::MAP_LOADING);
		1155
		1156	my $path = $self->{path};
		1157
		1158	$self->alloc;
		1159	$self->load_objects ($self->{load_path}, 1)
		1160	or return;
		1161
		1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1163	if delete $self->{load_original};
		1164
		1165	if (my $uniq = $path->uniq_path) {
		1166	utf8::encode $uniq;
		1167	if (aio_open $uniq, O_RDONLY, 0) {
		1168	$self->clear_unique_items;
		1169	$self->load_objects ($uniq, 0);
		1170	}
		1171	}
		1172
		1173	# now do the right thing for maps
		1174	$self->link_multipart_objects;
		1175
		1176	if ($self->{path}->is_style_map) {
		1177	$self->{deny_save} = 1;
		1178	$self->{deny_reset} = 1;
		1179	} else {
		1180	$self->fix_auto_apply;
		1181	$self->decay_objects;
		1182	$self->update_buttons;
		1183	$self->set_darkness_map;
		1184	$self->difficulty ($self->estimate_difficulty)
		1185	unless $self->difficulty;
		1186	$self->activate;
		1187	}
		1188
		1189	$self->in_memory (cf::MAP_IN_MEMORY);
		1190	}
		1191
		1192	sub load_map_sync {
		1193	my ($path, $origin) = @_;
		1194
		1195	#warn "load_map_sync<$path, $origin>\n";#d#
		1196
		1197	cf::sync_job {
		1198	my $map = cf::map::find_map $path, $origin
		1199	or return;
		1200	$map->load;
		1201	$map
		1202	}
		1203	}
		1204
		1205	sub save {
		1206	my ($self) = @_;
		1207
		1208	my $save = $self->{path}->save_path; utf8::encode $save;
		1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1210
		1211	$self->{last_save} = $cf::RUNTIME;
		1212
		1213	return unless $self->dirty;
		1214
		1215	$self->{load_path} = $save;
		1216
		1217	return if $self->{deny_save};
		1218
		1219	if ($uniq) {
		1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1221	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1222	} else {
		1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1224	}
		1225	}
		1226
		1227	sub swap_out {
		1228	my ($self) = @_;
		1229
		1230	return if $self->players;
		1231	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1232	return if $self->{deny_save};
		1233
		1234	$self->save;
		1235	$self->clear;
		1236	$self->in_memory (cf::MAP_SWAPPED);
		1237	}
		1238
		1239	sub reset_at {
		1240	my ($self) = @_;
		1241
		1242	# TODO: safety, remove and allow resettable per-player maps
		1243	return 1e100 if $self->{path}{user_rel};
		1244	return 1e100 if $self->{deny_reset};
		1245
		1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1247	my $to = $self->reset_timeout || $DEFAULT_RESET;
		1248	$to = $MAX_RESET if $to > $MAX_RESET;
		1249
		1250	$time + $to
		1251	}
		1252
		1253	sub should_reset {
		1254	my ($self) = @_;
		1255
		1256	$self->reset_at <= $cf::RUNTIME
		1257	}
		1258
		1259	sub unlink_save {
		1260	my ($self) = @_;
		1261
		1262	utf8::encode (my $save = $self->{path}->save_path);
		1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1265	}
		1266
		1267	sub rename {
		1268	my ($self, $new_path) = @_;
		1269
		1270	$self->unlink_save;
		1271
		1272	delete $cf::MAP{$self->path};
		1273	$self->{path} = new cf::path $new_path;
		1274	$self->path ($self->{path}->path);
		1275	$cf::MAP{$self->path} = $self;
		1276
		1277	$self->save;
		1278	}
		1279
		1280	sub reset {
		1281	my ($self) = @_;
		1282
		1283	return if $self->players;
		1284	return if $self->{path}{user_rel};#d#
		1285
		1286	warn "resetting map ", $self->path;#d#
		1287
		1288	delete $cf::MAP{$self->path};
		1289
		1290	$_->clear_links_to ($self) for values %cf::MAP;
		1291
		1292	$self->unlink_save;
		1293	$self->destroy;
		1294	}
		1295
		1296	sub customise_for {
		1297	my ($map, $ob) = @_;
		1298
		1299	if ($map->per_player) {
		1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1301	}
		1302
		1303	$map
		1304	}
		1305
		1306	sub emergency_save {
		1307	local $cf::FREEZE = 1;
		1308
		1309	warn "enter emergency map save\n";
		1310
		1311	cf::sync_job {
		1312	warn "begin emergency map save\n";
		1313	$_->save for values %cf::MAP;
		1314	};
		1315
		1316	warn "end emergency map save\n";
		1317	}
		1318
		1319	package cf;
		1320
		1321	=back
		1322
		1323
		1324	=head3 cf::object::player
		1325
		1326	=over 4
		1327
776	=item $player_object->reply ($npc, $msg[, $flags])	1328	=item $player_object->reply ($npc, $msg[, $flags])
777		1329
778	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1330	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
779	can be C<undef>. Does the right thing when the player is currently in a	1331	can be C<undef>. Does the right thing when the player is currently in a
780	dialogue with the given NPC character.	1332	dialogue with the given NPC character.
781		1333
782	=cut	1334	=cut
783		1335
784	# rough implementation of a future "reply" method that works	1336	# rough implementation of a future "reply" method that works
785	# with dialog boxes.	1337	# with dialog boxes.
		1338	#TODO: the first argument must go, split into a $npc->reply_to ( method
786	sub cf::object::player::reply($$$;$) {	1339	sub cf::object::player::reply($$$;$) {
787	my ($self, $npc, $msg, $flags) = @_;	1340	my ($self, $npc, $msg, $flags) = @_;
788		1341
789	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	1342	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
790		1343
…		…
794	$msg = $npc->name . " says: $msg" if $npc;	1347	$msg = $npc->name . " says: $msg" if $npc;
795	$self->message ($msg, $flags);	1348	$self->message ($msg, $flags);
796	}	1349	}
797	}	1350	}
798		1351
799	=item $player->ext_reply ($msgid, $msgtype, %msg)
800
801	Sends an ext reply to the player.
802
803	=cut
804
805	sub cf::player::ext_reply($$$%) {
806	my ($self, $id, %msg) = @_;
807
808	$msg{msgid} = $id;
809
810	$self->send ("ext " . to_json \%msg);
811	}
812
813	=item $player_object->may ("access")	1352	=item $player_object->may ("access")
814		1353
815	Returns wether the given player is authorized to access resource "access"	1354	Returns wether the given player is authorized to access resource "access"
816	(e.g. "command_wizcast").	1355	(e.g. "command_wizcast").
817		1356
…		…
824	(ref $cf::CFG{"may_$access"}	1363	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1365	: $cf::CFG{"may_$access"})
827	}	1366	}
828		1367
829	=cut	1368	sub cf::object::player::enter_link {
		1369	my ($self) = @_;
830		1370
831	#############################################################################	1371	return if $self->map == $LINK_MAP;
		1372
		1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1374	if $self->map;
		1375
		1376	$self->enter_map ($LINK_MAP, 20, 20);
		1377	$self->deactivate_recursive;
		1378	}
		1379
		1380	sub cf::object::player::leave_link {
		1381	my ($self, $map, $x, $y) = @_;
		1382
		1383	my $link_pos = delete $self->{_link_pos};
		1384
		1385	unless ($map) {
		1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1387
		1388	# restore original map position
		1389	($map, $x, $y) = @{ $link_pos || [] };
		1390	$map = cf::map::find_map $map;
		1391
		1392	unless ($map) {
		1393	($map, $x, $y) = @$EMERGENCY_POSITION;
		1394	$map = cf::map::find_map $map
		1395	or die "FATAL: cannot load emergency map\n";
		1396	}
		1397	}
		1398
		1399	($x, $y) = (-1, -1)
		1400	unless (defined $x) && (defined $y);
		1401
		1402	# use -1 or undef as default coordinates, not 0, 0
		1403	($x, $y) = ($map->enter_x, $map->enter_y)
		1404	if $x <=0 && $y <= 0;
		1405
		1406	$map->load;
		1407
		1408	$self->activate_recursive;
		1409	$self->enter_map ($map, $x, $y);
		1410	}
		1411
		1412	=item $player_object->goto_map ($map, $x, $y)
		1413
		1414	=cut
		1415
		1416	sub cf::object::player::goto_map {
		1417	my ($self, $path, $x, $y) = @_;
		1418
		1419	$self->enter_link;
		1420
		1421	(Coro::async {
		1422	$path = new cf::path $path;
		1423
		1424	my $map = cf::map::find_map $path->as_string;
		1425	$map = $map->customise_for ($self) if $map;
		1426
		1427	warn "entering ", $map->path, " at ($x, $y)\n"
		1428	if $map;
		1429
		1430	$self->leave_link ($map, $x, $y);
		1431	})->prio (1);
		1432	}
		1433
		1434	=item $player_object->enter_exit ($exit_object)
		1435
		1436	=cut
		1437
		1438	sub parse_random_map_params {
		1439	my ($spec) = @_;
		1440
		1441	my $rmp = { # defaults
		1442	xsize => 10,
		1443	ysize => 10,
		1444	};
		1445
		1446	for (split /\n/, $spec) {
		1447	my ($k, $v) = split /\s+/, $_, 2;
		1448
		1449	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1450	}
		1451
		1452	$rmp
		1453	}
		1454
		1455	sub prepare_random_map {
		1456	my ($exit) = @_;
		1457
		1458	# all this does is basically replace the /! path by
		1459	# a new random map path (?random/...) with a seed
		1460	# that depends on the exit object
		1461
		1462	my $rmp = parse_random_map_params $exit->msg;
		1463
		1464	if ($exit->map) {
		1465	$rmp->{region} = $exit->map->region_name;
		1466	$rmp->{origin_map} = $exit->map->path;
		1467	$rmp->{origin_x} = $exit->x;
		1468	$rmp->{origin_y} = $exit->y;
		1469	}
		1470
		1471	$rmp->{random_seed} ||= $exit->random_seed;
		1472
		1473	my $data = cf::to_json $rmp;
		1474	my $md5 = Digest::MD5::md5_hex $data;
		1475
		1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1477	aio_write $fh, 0, (length $data), $data, 0;
		1478
		1479	$exit->slaying ("?random/$md5");
		1480	$exit->msg (undef);
		1481	}
		1482	}
		1483
		1484	sub cf::object::player::enter_exit {
		1485	my ($self, $exit) = @_;
		1486
		1487	return unless $self->type == cf::PLAYER;
		1488
		1489	$self->enter_link;
		1490
		1491	(Coro::async {
		1492	unless (eval {
		1493
		1494	prepare_random_map $exit
		1495	if $exit->slaying eq "/!";
		1496
		1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1499
		1500	1;
		1501	}) {
		1502	$self->message ("Something went wrong deep within the crossfire server. "
		1503	. "I'll try to bring you back to the map you were before. "
		1504	. "Please report this to the dungeon master",
		1505	cf::NDI_UNIQUE | cf::NDI_RED);
		1506
		1507	warn "ERROR in enter_exit: $@";
		1508	$self->leave_link;
		1509	}
		1510	})->prio (1);
		1511	}
		1512
		1513	=head3 cf::client
		1514
		1515	=over 4
		1516
		1517	=item $client->send_drawinfo ($text, $flags)
		1518
		1519	Sends a drawinfo packet to the client. Circumvents output buffering so
		1520	should not be used under normal circumstances.
		1521
		1522	=cut
		1523
		1524	sub cf::client::send_drawinfo {
		1525	my ($self, $text, $flags) = @_;
		1526
		1527	utf8::encode $text;
		1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1529	}
		1530
		1531
		1532	=item $success = $client->query ($flags, "text", \&cb)
		1533
		1534	Queues a query to the client, calling the given callback with
		1535	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1536	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1537
		1538	Queries can fail, so check the return code. Or don't, as queries will become
		1539	reliable at some point in the future.
		1540
		1541	=cut
		1542
		1543	sub cf::client::query {
		1544	my ($self, $flags, $text, $cb) = @_;
		1545
		1546	return unless $self->state == ST_PLAYING
		1547	|| $self->state == ST_SETUP
		1548	|| $self->state == ST_CUSTOM;
		1549
		1550	$self->state (ST_CUSTOM);
		1551
		1552	utf8::encode $text;
		1553	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1554
		1555	$self->send_packet ($self->{query_queue}[0][0])
		1556	if @{ $self->{query_queue} } == 1;
		1557	}
		1558
		1559	cf::client->attach (
		1560	on_reply => sub {
		1561	my ($ns, $msg) = @_;
		1562
		1563	# this weird shuffling is so that direct followup queries
		1564	# get handled first
		1565	my $queue = delete $ns->{query_queue};
		1566
		1567	(shift @$queue)->[1]->($msg);
		1568
		1569	push @{ $ns->{query_queue} }, @$queue;
		1570
		1571	if (@{ $ns->{query_queue} } == @$queue) {
		1572	if (@$queue) {
		1573	$ns->send_packet ($ns->{query_queue}[0][0]);
		1574	} else {
		1575	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1576	}
		1577	}
		1578	},
		1579	);
		1580
		1581	=item $client->coro (\&cb)
		1582
		1583	Create a new coroutine, running the specified callback. The coroutine will
		1584	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1585	or loss of connection).
		1586
		1587	=cut
		1588
		1589	sub cf::client::coro {
		1590	my ($self, $cb) = @_;
		1591
		1592	my $coro; $coro = async {
		1593	eval {
		1594	$cb->();
		1595	};
		1596	warn $@ if $@;
		1597	};
		1598
		1599	$coro->on_destroy (sub {
		1600	delete $self->{_coro}{$coro+0};
		1601	});
		1602
		1603	$self->{_coro}{$coro+0} = $coro;
		1604
		1605	$coro
		1606	}
		1607
		1608	cf::client->attach (
		1609	on_destroy => sub {
		1610	my ($ns) = @_;
		1611
		1612	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		1613	},
		1614	);
		1615
		1616	=back
		1617
832		1618
833	=head2 SAFE SCRIPTING	1619	=head2 SAFE SCRIPTING
834		1620
835	Functions that provide a safe environment to compile and execute	1621	Functions that provide a safe environment to compile and execute
836	snippets of perl code without them endangering the safety of the server	1622	snippets of perl code without them endangering the safety of the server
…		…
1056	local $/;	1842	local $/;
1057	*CFG = YAML::Syck::Load <$fh>;	1843	*CFG = YAML::Syck::Load <$fh>;
1058	}	1844	}
1059		1845
1060	sub main {	1846	sub main {
		1847	# we must not ever block the main coroutine
		1848	local $Coro::idle = sub {
		1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1850	(Coro::unblock_sub {
		1851	Event::one_event;
		1852	})->();
		1853	};
		1854
1061	cfg_load;	1855	cfg_load;
1062	db_load;	1856	db_load;
1063	load_extensions;	1857	load_extensions;
1064	Event::loop;	1858	Event::loop;
1065	}	1859	}
1066		1860
1067	#############################################################################	1861	#############################################################################
1068	# initialisation	1862	# initialisation
1069		1863
1070	sub _perl_reload(&) {	1864	sub reload() {
1071	my ($msg) = @_;	1865	# can/must only be called in main
		1866	if ($Coro::current != $Coro::main) {
		1867	warn "can only reload from main coroutine\n";
		1868	return;
		1869	}
1072		1870
1073	$msg->("reloading...");	1871	warn "reloading...";
		1872
		1873	local $FREEZE = 1;
		1874	cf::emergency_save;
1074		1875
1075	eval {	1876	eval {
		1877	# if anything goes wrong in here, we should simply crash as we already saved
		1878
1076	# cancel all watchers	1879	# cancel all watchers
1077	for (Event::all_watchers) {	1880	for (Event::all_watchers) {
1078	$_->cancel if $_->data & WF_AUTOCANCEL;	1881	$_->cancel if $_->data & WF_AUTOCANCEL;
1079	}	1882	}
1080		1883
		1884	# cancel all extension coros
		1885	$_->cancel for values %EXT_CORO;
		1886	%EXT_CORO = ();
		1887
1081	# unload all extensions	1888	# unload all extensions
1082	for (@exts) {	1889	for (@exts) {
1083	$msg->("unloading <$_>");	1890	warn "unloading <$_>";
1084	unload_extension $_;	1891	unload_extension $_;
1085	}	1892	}
1086		1893
1087	# unload all modules loaded from $LIBDIR	1894	# unload all modules loaded from $LIBDIR
1088	while (my ($k, $v) = each %INC) {	1895	while (my ($k, $v) = each %INC) {
1089	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1090		1897
1091	$msg->("removing <$k>");	1898	warn "removing <$k>";
1092	delete $INC{$k};	1899	delete $INC{$k};
1093		1900
1094	$k =~ s/\.pm$//;	1901	$k =~ s/\.pm$//;
1095	$k =~ s/\//::/g;	1902	$k =~ s/\//::/g;
1096		1903
…		…
1101	Symbol::delete_package $k;	1908	Symbol::delete_package $k;
1102	}	1909	}
1103		1910
1104	# sync database to disk	1911	# sync database to disk
1105	cf::db_sync;	1912	cf::db_sync;
		1913	IO::AIO::flush;
1106		1914
1107	# get rid of safe::, as good as possible	1915	# get rid of safe::, as good as possible
1108	Symbol::delete_package "safe::$_"	1916	Symbol::delete_package "safe::$_"
1109	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1110		1918
1111	# remove register_script_function callbacks	1919	# remove register_script_function callbacks
1112	# TODO	1920	# TODO
1113		1921
1114	# unload cf.pm "a bit"	1922	# unload cf.pm "a bit"
…		…
1117	# don't, removes xs symbols, too,	1925	# don't, removes xs symbols, too,
1118	# and global variables created in xs	1926	# and global variables created in xs
1119	#Symbol::delete_package __PACKAGE__;	1927	#Symbol::delete_package __PACKAGE__;
1120		1928
1121	# reload cf.pm	1929	# reload cf.pm
1122	$msg->("reloading cf.pm");	1930	warn "reloading cf.pm";
1123	require cf;	1931	require cf;
		1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1124		1933
1125	# load config and database again	1934	# load config and database again
1126	cf::cfg_load;	1935	cf::cfg_load;
1127	cf::db_load;	1936	cf::db_load;
1128		1937
1129	# load extensions	1938	# load extensions
1130	$msg->("load extensions");	1939	warn "load extensions";
1131	cf::load_extensions;	1940	cf::load_extensions;
1132		1941
1133	# reattach attachments to objects	1942	# reattach attachments to objects
1134	$msg->("reattach");	1943	warn "reattach";
1135	_global_reattach;	1944	_global_reattach;
1136	};	1945	};
1137	$msg->($@) if $@;
1138		1946
1139	$msg->("reloaded");	1947	if ($@) {
		1948	warn $@;
		1949	warn "error while reloading, exiting.";
		1950	exit 1;
		1951	}
		1952
		1953	warn "reloaded successfully";
1140	};	1954	};
1141		1955
1142	sub perl_reload() {	1956	#############################################################################
1143	_perl_reload {	1957
1144	warn $_[0];	1958	unless ($LINK_MAP) {
1145	print "$_[0]\n";	1959	$LINK_MAP = cf::map::new;
1146	};	1960
		1961	$LINK_MAP->width (41);
		1962	$LINK_MAP->height (41);
		1963	$LINK_MAP->alloc;
		1964	$LINK_MAP->path ("{link}");
		1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1967
		1968	# dirty hack because... archetypes are not yet loaded
		1969	Event->timer (
		1970	after => 2,
		1971	cb => sub {
		1972	$_[0]->w->cancel;
		1973
		1974	# provide some exits "home"
		1975	my $exit = cf::object::new "exit";
		1976
		1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1980
		1981	$LINK_MAP->insert ($exit->clone, 19, 19);
		1982	$LINK_MAP->insert ($exit->clone, 19, 20);
		1983	$LINK_MAP->insert ($exit->clone, 19, 21);
		1984	$LINK_MAP->insert ($exit->clone, 20, 19);
		1985	$LINK_MAP->insert ($exit->clone, 20, 21);
		1986	$LINK_MAP->insert ($exit->clone, 21, 19);
		1987	$LINK_MAP->insert ($exit->clone, 21, 20);
		1988	$LINK_MAP->insert ($exit->clone, 21, 21);
		1989
		1990	$exit->destroy;
		1991	});
		1992
		1993	$LINK_MAP->{deny_save} = 1;
		1994	$LINK_MAP->{deny_reset} = 1;
		1995
		1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1147	}	1997	}
1148		1998
1149	register "<global>", __PACKAGE__;	1999	register "<global>", __PACKAGE__;
1150		2000
1151	register_command "perl-reload" => sub {	2001	register_command "reload" => sub {
1152	my ($who, $arg) = @_;	2002	my ($who, $arg) = @_;
1153		2003
1154	if ($who->flag (FLAG_WIZ)) {	2004	if ($who->flag (FLAG_WIZ)) {
1155	_perl_reload {	2005	$who->message ("start of reload.");
1156	warn $_[0];	2006	reload;
1157	$who->message ($_[0]);	2007	$who->message ("end of reload.");
1158	};
1159	}	2008	}
1160	};	2009	};
1161		2010
1162	unshift @INC, $LIBDIR;	2011	unshift @INC, $LIBDIR;
1163		2012
1164	$TICK_WATCHER = Event->timer (	2013	$TICK_WATCHER = Event->timer (
		2014	reentrant => 0,
1165	prio => 0,	2015	prio => 0,
1166	at => $NEXT_TICK || 1,	2016	at => $NEXT_TICK || $TICK,
1167	data => WF_AUTOCANCEL,	2017	data => WF_AUTOCANCEL,
1168	cb => sub {	2018	cb => sub {
		2019	unless ($FREEZE) {
1169	cf::server_tick; # one server iteration	2020	cf::server_tick; # one server iteration
		2021	$RUNTIME += $TICK;
		2022	}
1170		2023
1171	my $NOW = Event::time;
1172	$NEXT_TICK += $TICK;	2024	$NEXT_TICK += $TICK;
1173		2025
1174	# if we are delayed by four ticks or more, skip them all	2026	# if we are delayed by four ticks or more, skip them all
1175	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1176		2028
1177	$TICK_WATCHER->at ($NEXT_TICK);	2029	$TICK_WATCHER->at ($NEXT_TICK);
1178	$TICK_WATCHER->start;	2030	$TICK_WATCHER->start;
1179	},	2031	},
1180	);	2032	);
1181		2033
1182	IO::AIO::max_poll_time $TICK * 0.2;	2034	IO::AIO::max_poll_time $TICK * 0.2;
1183		2035
		2036	Event->io (
1184	Event->io (fd => IO::AIO::poll_fileno,	2037	fd => IO::AIO::poll_fileno,
1185	poll => 'r',	2038	poll => 'r',
1186	prio => 5,	2039	prio => 5,
1187	data => WF_AUTOCANCEL,	2040	data => WF_AUTOCANCEL,
1188	cb => \&IO::AIO::poll_cb);	2041	cb => \&IO::AIO::poll_cb,
		2042	);
		2043
		2044	Event->timer (
		2045	data => WF_AUTOCANCEL,
		2046	after => 0,
		2047	interval => 10,
		2048	cb => sub {
		2049	(Coro::unblock_sub {
		2050	write_runtime
		2051	or warn "ERROR: unable to write runtime file: $!";
		2052	})->();
		2053	},
		2054	);
1189		2055
1190	1	2056	1
1191		2057

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