[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.160 by root, Wed Jan 10 22:54:06 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	use Coro::AIO;
18		19
		20	use Data::Dumper;
		21	use Digest::MD5;
		22	use Fcntl;
19	use IO::AIO 2.3;	23	use IO::AIO 2.32 ();
20	use YAML::Syck ();	24	use YAML::Syck ();
21	use Time::HiRes;	25	use Time::HiRes;
22		26
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
27		33
28	$Coro::main->prio (Coro::PRIO_MIN);	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		35
32	our %COMMAND = ();	36	our %COMMAND = ();
33	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
35		42
36	our @EVENT;	43	our @EVENT;
37	our $LIBDIR = datadir . "/ext";	44	our $LIBDIR = datadir . "/ext";
38		45
39	our $TICK = MAX_TIME * 1e-6;	46	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	47	our $TICK_WATCHER;
41	our $NEXT_TICK;	48	our $NEXT_TICK;
		49	our $NOW;
42		50
43	our %CFG;	51	our %CFG;
44		52
45	our $UPTIME; $UPTIME \|\|= time;	53	our $UPTIME; $UPTIME \|\|= time;
		54	our $RUNTIME;
		55
		56	our %PLAYER; # all users
		57	our %MAP; # all maps
		58	our $LINK_MAP; # the special {link} map
		59	our $RANDOM_MAPS = cf::localdir . "/random";
		60
		61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
		63
		64	binmode STDOUT;
		65	binmode STDERR;
		66
		67	# read virtual server time, if available
		68	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		69	open my $fh, "<", cf::localdir . "/runtime"
		70	or die "unable to read runtime file: $!";
		71	$RUNTIME = <$fh> + 0.;
		72	}
		73
		74	mkdir cf::localdir;
		75	mkdir cf::localdir . "/" . cf::playerdir;
		76	mkdir cf::localdir . "/" . cf::tmpdir;
		77	mkdir cf::localdir . "/" . cf::uniquedir;
		78	mkdir $RANDOM_MAPS;
		79
		80	# a special map that is always available
		81	our $LINK_MAP;
		82	our $EMERGENCY_POSITION;
46		83
47	#############################################################################	84	#############################################################################
48		85
49	=head2 GLOBAL VARIABLES	86	=head2 GLOBAL VARIABLES
50		87
51	=over 4	88	=over 4
52		89
53	=item $cf::UPTIME	90	=item $cf::UPTIME
54		91
55	The timestamp of the server start (so not actually an uptime).	92	The timestamp of the server start (so not actually an uptime).
		93
		94	=item $cf::RUNTIME
		95
		96	The time this server has run, starts at 0 and is increased by $cf::TICK on
		97	every server tick.
56		98
57	=item $cf::LIBDIR	99	=item $cf::LIBDIR
58		100
59	The perl library directory, where extensions and cf-specific modules can	101	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	102	be found. It will be added to C<@INC> automatically.
61		103
		104	=item $cf::NOW
		105
		106	The time of the last (current) server tick.
		107
62	=item $cf::TICK	108	=item $cf::TICK
63		109
64	The interval between server ticks, in seconds.	110	The interval between server ticks, in seconds.
65		111
66	=item %cf::CFG	112	=item %cf::CFG
67		113
68	Configuration for the server, loaded from C</etc/crossfire/config>, or	114	Configuration for the server, loaded from C</etc/crossfire/config>, or
69	from wherever your confdir points to.	115	from wherever your confdir points to.
		116
		117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		118
		119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		121	processing has been done. Call C<< ->wait >> on them to maximise the
		122	window of cpu time available, or simply to synchronise to the server tick.
70		123
71	=back	124	=back
72		125
73	=cut	126	=cut
74		127
75	BEGIN {	128	BEGIN {
76	*CORE::GLOBAL::warn = sub {	129	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	130	my $msg = join "", @_;
		131	utf8::encode $msg;
		132
78	$msg .= "\n"	133	$msg .= "\n"
79	unless $msg =~ /\n$/;	134	unless $msg =~ /\n$/;
80		135
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	136	LOG llevError, $msg;
83	};	137	};
84	}	138	}
85		139
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
87	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
105		159
106	$Event::DIED = sub {	160	$Event::DIED = sub {
107	warn "error in event callback: @_";	161	warn "error in event callback: @_";
108	};	162	};
109		163
110	my %ext_pkg;
111	my @exts;
112	my @hook;
113
114	=head2 UTILITY FUNCTIONS	164	=head2 UTILITY FUNCTIONS
115		165
116	=over 4	166	=over 4
117		167
		168	=item dumpval $ref
		169
118	=cut	170	=cut
		171
		172	sub dumpval {
		173	eval {
		174	local $SIG{__DIE__};
		175	my $d;
		176	if (1) {
		177	$d = new Data::Dumper([$_[0]], ["*var"]);
		178	$d->Terse(1);
		179	$d->Indent(2);
		180	$d->Quotekeys(0);
		181	$d->Useqq(1);
		182	#$d->Bless(...);
		183	$d->Seen($_[1]) if @_ > 1;
		184	$d = $d->Dump();
		185	}
		186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		187	$d
		188	} \|\| "[unable to dump $_[0]: '$@']";
		189	}
119		190
120	use JSON::Syck (); # TODO# replace by JSON::PC once working	191	use JSON::Syck (); # TODO# replace by JSON::PC once working
121		192
122	=item $ref = cf::from_json $json	193	=item $ref = cf::from_json $json
123		194
…		…
139	sub to_json($) {	210	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	212	JSON::Syck::Dump $_[0]
142	}	213	}
143		214
		215	=item cf::lock_wait $string
		216
		217	Wait until the given lock is available. See cf::lock_acquire.
		218
		219	=item my $lock = cf::lock_acquire $string
		220
		221	Wait until the given lock is available and then acquires it and returns
		222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		223	for example when the coroutine gets canceled), the lock is automatically
		224	returned.
		225
		226	Lock names should begin with a unique identifier (for example, cf::map::find
		227	uses map_find and cf::map::load uses map_load).
		228
		229	=cut
		230
		231	our %LOCK;
		232
		233	sub lock_wait($) {
		234	my ($key) = @_;
		235
		236	# wait for lock, if any
		237	while ($LOCK{$key}) {
		238	push @{ $LOCK{$key} }, $Coro::current;
		239	Coro::schedule;
		240	}
		241	}
		242
		243	sub lock_acquire($) {
		244	my ($key) = @_;
		245
		246	# wait, to be sure we are not locked
		247	lock_wait $key;
		248
		249	$LOCK{$key} = [];
		250
		251	Coro::guard {
		252	# wake up all waiters, to be on the safe side
		253	$_->ready for @{ delete $LOCK{$key} };
		254	}
		255	}
		256
		257	sub freeze_mainloop {
		258	return unless $TICK_WATCHER->is_active;
		259
		260	my $guard = Coro::guard { $TICK_WATCHER->start };
		261	$TICK_WATCHER->stop;
		262	$guard
		263	}
		264
		265	=item cf::async { BLOCK }
		266
		267	Currently the same as Coro::async_pool, meaning you cannot use
		268	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		269	thing you are allowed to do is call C<prio> on it.
		270
		271	=cut
		272
		273	BEGIN { *async = \&Coro::async_pool }
		274
		275	=item cf::sync_job { BLOCK }
		276
		277	The design of crossfire+ requires that the main coro ($Coro::main) is
		278	always able to handle events or runnable, as crossfire+ is only partly
		279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		280
		281	If it must be done, put the blocking parts into C<sync_job>. This will run
		282	the given BLOCK in another coroutine while waiting for the result. The
		283	server will be frozen during this time, so the block should either finish
		284	fast or be very important.
		285
		286	=cut
		287
		288	sub sync_job(&) {
		289	my ($job) = @_;
		290
		291	if ($Coro::current == $Coro::main) {
		292	# this is the main coro, too bad, we have to block
		293	# till the operation succeeds, freezing the server :/
		294
		295	# TODO: use suspend/resume instead
		296	# (but this is cancel-safe)
		297	my $freeze_guard = freeze_mainloop;
		298
		299	my $busy = 1;
		300	my @res;
		301
		302	(async {
		303	@res = eval { $job->() };
		304	warn $@ if $@;
		305	undef $busy;
		306	})->prio (Coro::PRIO_MAX);
		307
		308	while ($busy) {
		309	Coro::cede or Event::one_event;
		310	}
		311
		312	wantarray ? @res : $res[0]
		313	} else {
		314	# we are in another coroutine, how wonderful, everything just works
		315
		316	$job->()
		317	}
		318	}
		319
		320	=item $coro = cf::async_ext { BLOCK }
		321
		322	Like async, but this coro is automatically being canceled when the
		323	extension calling this is being unloaded.
		324
		325	=cut
		326
		327	sub async_ext(&) {
		328	my $cb = shift;
		329
		330	my $coro = &Coro::async ($cb);
		331
		332	$coro->on_destroy (sub {
		333	delete $EXT_CORO{$coro+0};
		334	});
		335	$EXT_CORO{$coro+0} = $coro;
		336
		337	$coro
		338	}
		339
		340	sub write_runtime {
		341	my $runtime = cf::localdir . "/runtime";
		342
		343	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		344	or return;
		345
		346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		348	and return;
		349
		350	aio_fsync $fh
		351	and return;
		352
		353	close $fh
		354	or return;
		355
		356	aio_rename "$runtime~", $runtime
		357	and return;
		358
		359	1
		360	}
		361
144	=back	362	=back
145		363
146	=cut	364	=cut
		365
		366	#############################################################################
		367
		368	package cf::path;
		369
		370	use overload
		371	'""' => \&as_string;
		372
		373	# used to convert map paths into valid unix filenames by repalcing / by ∕
		374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		375
		376	sub new {
		377	my ($class, $path, $base) = @_;
		378
		379	$path = $path->as_string if ref $path;
		380
		381	my $self = bless { }, $class;
		382
		383	# {... are special paths that are not touched
		384	# ?xxx/... are special absolute paths
		385	# ?random/... random maps
		386	# /! non-realised random map exit
		387	# /... normal maps
		388	# ~/... per-player maps without a specific player (DO NOT USE)
		389	# ~user/... per-player map of a specific user
		390
		391	$path =~ s/$PATH_SEP/\//go;
		392
		393	if ($path =~ /^{/) {
		394	# fine as it is
		395	} elsif ($path =~ s{^\?random/}{}) {
		396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		397	$self->{random} = cf::from_json $data;
		398	} else {
		399	if ($path =~ s{^~([^/]+)?}{}) {
		400	$self->{user_rel} = 1;
		401
		402	if (defined $1) {
		403	$self->{user} = $1;
		404	} elsif ($base =~ m{^~([^/]+)/}) {
		405	$self->{user} = $1;
		406	} else {
		407	warn "cannot resolve user-relative path without user <$path,$base>\n";
		408	}
		409	} elsif ($path =~ /^\//) {
		410	# already absolute
		411	} else {
		412	$base =~ s{[^/]+/?$}{};
		413	return $class->new ("$base/$path");
		414	}
		415
		416	for ($path) {
		417	redo if s{/\.?/}{/};
		418	redo if s{/[^/]+/\.\./}{/};
		419	}
		420	}
		421
		422	$self->{path} = $path;
		423
		424	$self
		425	}
		426
		427	# the name / primary key / in-game path
		428	sub as_string {
		429	my ($self) = @_;
		430
		431	$self->{user_rel} ? "~$self->{user}$self->{path}"
		432	: $self->{random} ? "?random/$self->{path}"
		433	: $self->{path}
		434	}
		435
		436	# the displayed name, this is a one way mapping
		437	sub visible_name {
		438	my ($self) = @_;
		439
		440	# if (my $rmp = $self->{random}) {
		441	# # todo: be more intelligent about this
		442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		443	# } else {
		444	$self->as_string
		445	# }
		446	}
		447
		448	# escape the /'s in the path
		449	sub _escaped_path {
		450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		451	$path
		452	}
		453
		454	# the original (read-only) location
		455	sub load_path {
		456	my ($self) = @_;
		457
		458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		459	}
		460
		461	# the temporary/swap location
		462	sub save_path {
		463	my ($self) = @_;
		464
		465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		468	}
		469
		470	# the unique path, might be eq to save_path
		471	sub uniq_path {
		472	my ($self) = @_;
		473
		474	$self->{user_rel} \|\| $self->{random}
		475	? undef
		476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		477	}
		478
		479	# return random map parameters, or undef
		480	sub random_map_params {
		481	my ($self) = @_;
		482
		483	$self->{random}
		484	}
		485
		486	# this is somewhat ugly, but style maps do need special treatment
		487	sub is_style_map {
		488	$_[0]{path} =~ m{^/styles/}
		489	}
		490
		491	package cf;
147		492
148	#############################################################################	493	#############################################################################
149		494
150	=head2 ATTACHABLE OBJECTS	495	=head2 ATTACHABLE OBJECTS
151		496
…		…
454	=cut	799	=cut
455		800
456	#############################################################################	801	#############################################################################
457	# object support	802	# object support
458		803
		804	sub reattach {
		805	# basically do the same as instantiate, without calling instantiate
		806	my ($obj) = @_;
		807
		808	my $registry = $obj->registry;
		809
		810	@$registry = ();
		811
		812	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
		813
		814	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
		815	if (my $attach = $attachment{$name}) {
		816	for (@$attach) {
		817	my ($klass, @attach) = @$_;
		818	_attach $registry, $klass, @attach;
		819	}
		820	} else {
		821	warn "object uses attachment '$name' that is not available, postponing.\n";
		822	}
		823	}
		824	}
		825
459	cf::attachable->attach (	826	cf::attachable->attach (
460	prio => -1000000,	827	prio => -1000000,
461	on_instantiate => sub {	828	on_instantiate => sub {
462	my ($obj, $data) = @_;	829	my ($obj, $data) = @_;
463		830
…		…
467	my ($name, $args) = @$_;	834	my ($name, $args) = @$_;
468		835
469	$obj->attach ($name, %{$args \|\| {} });	836	$obj->attach ($name, %{$args \|\| {} });
470	}	837	}
471	},	838	},
472	on_reattach => sub {	839	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($obj) = @_;
475	my $registry = $obj->registry;
476
477	@$registry = ();
478
479	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
480
481	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
482	if (my $attach = $attachment{$name}) {
483	for (@$attach) {
484	my ($klass, @attach) = @$_;
485	_attach $registry, $klass, @attach;
486	}
487	} else {
488	warn "object uses attachment '$name' that is not available, postponing.\n";
489	}
490	}
491	},
492	on_clone => sub {	840	on_clone => sub {
493	my ($src, $dst) = @_;	841	my ($src, $dst) = @_;
494		842
495	@{$dst->registry} = @{$src->registry};	843	@{$dst->registry} = @{$src->registry};
496		844
…		…
502	);	850	);
503		851
504	sub object_freezer_save {	852	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	853	my ($filename, $rdata, $objs) = @_;
506		854
		855	sync_job {
507	if (length $$rdata) {	856	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	857	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	858	$filename, length $$rdata, scalar @$objs;
510		859
511	if (open my $fh, ">:raw", "$filename~") {	860	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	861	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		863	aio_fsync $fh;
519	close $fh;	864	close $fh;
		865
		866	if (@$objs) {
		867	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		868	chmod SAVE_MODE, $fh;
		869	my $data = Storable::nfreeze { version => 1, objs => $objs };
		870	aio_write $fh, 0, (length $data), $data, 0;
		871	aio_fsync $fh;
		872	close $fh;
520	rename "$filename.pst~", "$filename.pst";	873	aio_rename "$filename.pst~", "$filename.pst";
		874	}
		875	} else {
		876	aio_unlink "$filename.pst";
		877	}
		878
		879	aio_rename "$filename~", $filename;
521	} else {	880	} else {
522	unlink "$filename.pst";	881	warn "FATAL: $filename~: $!\n";
523	}	882	}
524
525	rename "$filename~", $filename;
526	} else {	883	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	884	aio_unlink $filename;
531	unlink "$filename.pst";	885	aio_unlink "$filename.pst";
		886	}
532	}	887	}
533	}	888	}
534		889
535	sub object_freezer_as_string {	890	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	891	my ($rdata, $objs) = @_;
…		…
541	}	896	}
542		897
543	sub object_thawer_load {	898	sub object_thawer_load {
544	my ($filename) = @_;	899	my ($filename) = @_;
545		900
546	local $/;	901	my ($data, $av);
547		902
548	my $av;	903	(aio_load $filename, $data) >= 0
		904	or return;
549		905
550	#TODO: use sysread etc.	906	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	907	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	908	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	909	$av = eval { (Storable::thaw $av)->{objs} };
555	}	910	}
		911
		912	warn sprintf "loading %s (%d)\n",
		913	$filename, length $data, scalar @{$av \|\| []};#d#
556	return ($data, $av);	914	return ($data, $av);
557	}
558
559	()
560	}	915	}
561		916
562	#############################################################################	917	#############################################################################
563	# command handling &c	918	# command handling &c
564		919
…		…
588	=cut	943	=cut
589		944
590	sub register_extcmd {	945	sub register_extcmd {
591	my ($name, $cb) = @_;	946	my ($name, $cb) = @_;
592		947
593	my $caller = caller;
594	#warn "registering extcmd '$name' to '$caller'";
595
596	$EXTCMD{$name} = [$cb, $caller];	948	$EXTCMD{$name} = $cb;
597	}	949	}
598		950
599	cf::player->attach (	951	cf::player->attach (
600	on_command => sub {	952	on_command => sub {
601	my ($pl, $name, $params) = @_;	953	my ($pl, $name, $params) = @_;
…		…
614		966
615	my $msg = eval { from_json $buf };	967	my $msg = eval { from_json $buf };
616		968
617	if (ref $msg) {	969	if (ref $msg) {
618	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
619	if (my %reply = $cb->[0]->($pl, $msg)) {	971	if (my %reply = $cb->($pl, $msg)) {
620	$pl->ext_reply ($msg->{msgid}, %reply);	972	$pl->ext_reply ($msg->{msgid}, %reply);
621	}	973	}
622	}	974	}
623	} else {	975	} else {
624	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
626		978
627	cf::override;	979	cf::override;
628	},	980	},
629	);	981	);
630		982
631	sub register {
632	my ($base, $pkg) = @_;
633
634	#TODO
635	}
636
637	sub load_extension {	983	sub load_extension {
638	my ($path) = @_;	984	my ($path) = @_;
639		985
640	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
641	my $base = $1;	987	my $base = $1;
642	my $pkg = $1;	988	my $pkg = $1;
643	$pkg =~ s/[^[:word:]]/_/g;	989	$pkg =~ s/[^[:word:]]/_/g;
644	$pkg = "ext::$pkg";	990	$pkg = "ext::$pkg";
645		991
646	warn "loading '$path' into '$pkg'\n";	992	warn "... loading '$path' into '$pkg'\n";
647		993
648	open my $fh, "<:utf8", $path	994	open my $fh, "<:utf8", $path
649	or die "$path: $!";	995	or die "$path: $!";
650		996
651	my $source =	997	my $source =
…		…
656		1002
657	eval $source	1003	eval $source
658	or die $@ ? "$path: $@\n"	1004	or die $@ ? "$path: $@\n"
659	: "extension disabled.\n";	1005	: "extension disabled.\n";
660		1006
661	push @exts, $pkg;	1007	push @EXTS, $pkg;
662	$ext_pkg{$base} = $pkg;
663
664	# no strict 'refs';
665	# @{"$pkg\::ISA"} = ext::;
666
667	register $base, $pkg;
668	}
669
670	sub unload_extension {
671	my ($pkg) = @_;
672
673	warn "removing extension $pkg\n";
674
675	# remove hooks
676	#TODO
677	# for my $idx (0 .. $#PLUGIN_EVENT) {
678	# delete $hook[$idx]{$pkg};
679	# }
680
681	# remove commands
682	for my $name (keys %COMMAND) {
683	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
684
685	if (@cb) {
686	$COMMAND{$name} = \@cb;
687	} else {
688	delete $COMMAND{$name};
689	}
690	}
691
692	# remove extcmds
693	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
694	delete $EXTCMD{$name};
695	}
696
697	if (my $cb = $pkg->can ("unload")) {
698	eval {
699	$cb->($pkg);
700	1
701	} or warn "$pkg unloaded, but with errors: $@";
702	}
703
704	Symbol::delete_package $pkg;
705	}	1008	}
706		1009
707	sub load_extensions {	1010	sub load_extensions {
708	for my $ext (<$LIBDIR/*.ext>) {	1011	for my $ext (<$LIBDIR/*.ext>) {
709	next unless -r $ext;	1012	next unless -r $ext;
…		…
727	};	1030	};
728		1031
729	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
730		1033
731	#############################################################################	1034	#############################################################################
732	# load/save perl data associated with player->ob objects
733		1035
734	sub all_objects(@) {	1036	=head2 CORE EXTENSIONS
735	@_, map all_objects ($_->inv), @_
736	}
737		1037
738	# TODO: compatibility cruft, remove when no longer needed	1038	Functions and methods that extend core crossfire objects.
739	cf::player->attach (	1039
740	on_load => sub {	1040	=cut
		1041
		1042	package cf::player;
		1043
		1044	use Coro::AIO;
		1045
		1046	=head3 cf::player
		1047
		1048	=over 4
		1049
		1050	=item cf::player::find $login
		1051
		1052	Returns the given player object, loading it if necessary (might block).
		1053
		1054	=cut
		1055
		1056	sub playerdir($) {
		1057	cf::localdir
		1058	. "/"
		1059	. cf::playerdir
		1060	. "/"
		1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1062	}
		1063
		1064	sub path($) {
		1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1066
		1067	(playerdir $login) . "/$login.pl"
		1068	}
		1069
		1070	sub find_active($) {
		1071	$cf::PLAYER{$_[0]}
		1072	and $cf::PLAYER{$_[0]}->active
		1073	and $cf::PLAYER{$_[0]}
		1074	}
		1075
		1076	sub exists($) {
		1077	my ($login) = @_;
		1078
		1079	$cf::PLAYER{$login}
		1080	or cf::sync_job { !aio_stat $login }
		1081	}
		1082
		1083	sub find($) {
		1084	return $cf::PLAYER{$_[0]} \|\| do {
		1085	my $login = $_[0];
		1086
		1087	my $guard = cf::lock_acquire "user_find:$login";
		1088
		1089	$cf::PLAYER{$_[0]} \|\| do {
		1090	my $pl = load_pl path $login
		1091	or return;
		1092	$cf::PLAYER{$login} = $pl
		1093	}
		1094	}
		1095	}
		1096
		1097	sub save($) {
		1098	my ($pl) = @_;
		1099
		1100	return if $pl->{deny_save};
		1101
		1102	my $path = path $pl;
		1103	my $guard = cf::lock_acquire "user_save:$path";
		1104
		1105	return if $pl->{deny_save};
		1106
		1107	aio_mkdir playerdir $pl, 0770;
		1108	$pl->{last_save} = $cf::RUNTIME;
		1109
		1110	$pl->save_pl ($path);
		1111	Coro::cede;
		1112	}
		1113
		1114	sub new($) {
		1115	my ($login) = @_;
		1116
		1117	my $self = create;
		1118
		1119	$self->ob->name ($login);
		1120	$self->{deny_save} = 1;
		1121
		1122	$cf::PLAYER{$login} = $self;
		1123
		1124	$self
		1125	}
		1126
		1127	=item $pl->quit_character
		1128
		1129	Nukes the player without looking back. If logged in, the connection will
		1130	be destroyed. May block for a long time.
		1131
		1132	=cut
		1133
		1134	sub quit_character {
		1135	my ($pl) = @_;
		1136
		1137	$pl->{deny_save} = 1;
		1138	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1139
		1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1141	$pl->deactivate;
		1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1143	$pl->ns->destroy if $pl->ns;
		1144
		1145	my $path = playerdir $pl;
		1146	my $temp = "$path~$cf::RUNTIME~deleting~";
		1147	aio_rename $path, $temp;
		1148	delete $cf::PLAYER{$pl->ob->name};
		1149	$pl->destroy;
		1150	IO::AIO::aio_rmtree $temp;
		1151	}
		1152
		1153	=item cf::player::list_logins
		1154
		1155	Returns am arrayref of all valid playernames in the system, can take a
		1156	while and may block, so not sync_job-capable, ever.
		1157
		1158	=cut
		1159
		1160	sub list_logins {
		1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1162	or return [];
		1163
		1164	my @logins;
		1165
		1166	for my $login (@$dirs) {
		1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1168	aio_read $fh, 0, 512, my $buf, 0 or next;
		1169	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1170
		1171	utf8::decode $login;
		1172	push @logins, $login;
		1173	}
		1174
		1175	\@logins
		1176	}
		1177
		1178	=item $player->maps
		1179
		1180	Returns an arrayref of cf::path's of all maps that are private for this
		1181	player. May block.
		1182
		1183	=cut
		1184
		1185	sub maps($) {
		1186	my ($pl) = @_;
		1187
		1188	my $files = aio_readdir playerdir $pl
		1189	or return;
		1190
		1191	my @paths;
		1192
		1193	for (@$files) {
		1194	utf8::decode $_;
		1195	next if /\.(?:pl\|pst)$/;
		1196	next unless /^$PATH_SEP/o;
		1197
		1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1199	}
		1200
		1201	\@paths
		1202	}
		1203
		1204	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1205
		1206	Sends an ext reply to the player.
		1207
		1208	=cut
		1209
		1210	sub ext_reply($$$%) {
		1211	my ($self, $id, %msg) = @_;
		1212
		1213	$msg{msgid} = $id;
		1214
		1215	$self->send ("ext " . cf::to_json \%msg);
		1216	}
		1217
		1218	package cf;
		1219
		1220	=back
		1221
		1222
		1223	=head3 cf::map
		1224
		1225	=over 4
		1226
		1227	=cut
		1228
		1229	package cf::map;
		1230
		1231	use Fcntl;
		1232	use Coro::AIO;
		1233
		1234	our $MAX_RESET = 3600;
		1235	our $DEFAULT_RESET = 3000;
		1236
		1237	sub generate_random_map {
		1238	my ($path, $rmp) = @_;
		1239
		1240	# mit "rum" bekleckern, nicht
		1241	cf::map::_create_random_map
		1242	$path,
		1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1246	$rmp->{exit_on_final_map},
		1247	$rmp->{xsize}, $rmp->{ysize},
		1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1253	(cf::region::find $rmp->{region})
		1254	}
		1255
		1256	# and all this just because we cannot iterate over
		1257	# all maps in C++...
		1258	sub change_all_map_light {
		1259	my ($change) = @_;
		1260
		1261	$_->change_map_light ($change)
		1262	for grep $_->outdoor, values %cf::MAP;
		1263	}
		1264
		1265	sub try_load_header($) {
741	my ($pl, $path) = @_;	1266	my ($path) = @_;
742		1267
743	for my $o (all_objects $pl->ob) {	1268	utf8::encode $path;
744	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1269	aio_open $path, O_RDONLY, 0
745	$o->set_ob_key_value ("_perl_data");	1270	or return;
746		1271
747	%$o = %{ Storable::thaw pack "H*", $value };	1272	my $map = cf::map::new
		1273	or return;
		1274
		1275	# for better error messages only, will be overwritten
		1276	$map->path ($path);
		1277
		1278	$map->load_header ($path)
		1279	or return;
		1280
		1281	$map->{load_path} = $path;
		1282
		1283	$map
		1284	}
		1285
		1286	sub find;
		1287	sub find {
		1288	my ($path, $origin) = @_;
		1289
		1290	#warn "find<$path,$origin>\n";#d#
		1291
		1292	$path = new cf::path $path, $origin && $origin->path;
		1293	my $key = $path->as_string;
		1294
		1295	cf::lock_wait "map_find:$key";
		1296
		1297	$cf::MAP{$key} \|\| do {
		1298	my $guard = cf::lock_acquire "map_find:$key";
		1299
		1300	# do it the slow way
		1301	my $map = try_load_header $path->save_path;
		1302
		1303	Coro::cede;
		1304
		1305	if ($map) {
		1306	$map->last_access ((delete $map->{last_access})
		1307	\|\| $cf::RUNTIME); #d#
		1308	# safety
		1309	$map->{instantiate_time} = $cf::RUNTIME
		1310	if $map->{instantiate_time} > $cf::RUNTIME;
		1311	} else {
		1312	if (my $rmp = $path->random_map_params) {
		1313	$map = generate_random_map $key, $rmp;
		1314	} else {
		1315	$map = try_load_header $path->load_path;
748	}	1316	}
		1317
		1318	$map or return;
		1319
		1320	$map->{load_original} = 1;
		1321	$map->{instantiate_time} = $cf::RUNTIME;
		1322	$map->last_access ($cf::RUNTIME);
		1323	$map->instantiate;
		1324
		1325	# per-player maps become, after loading, normal maps
		1326	$map->per_player (0) if $path->{user_rel};
749	}	1327	}
		1328
		1329	$map->path ($key);
		1330	$map->{path} = $path;
		1331	$map->{last_save} = $cf::RUNTIME;
		1332
		1333	Coro::cede;
		1334
		1335	if ($map->should_reset) {
		1336	$map->reset;
		1337	undef $guard;
		1338	$map = find $path
		1339	or return;
		1340	}
		1341
		1342	$cf::MAP{$key} = $map
750	},	1343	}
751	);	1344	}
752		1345
753	#############################################################################	1346	sub load {
		1347	my ($self) = @_;
754		1348
755	=head2 CORE EXTENSIONS	1349	my $path = $self->{path};
		1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
756		1351
757	Functions and methods that extend core crossfire objects.	1352	return if $self->in_memory != cf::MAP_SWAPPED;
758		1353
759	=head3 cf::player	1354	$self->in_memory (cf::MAP_LOADING);
		1355
		1356	$self->alloc;
		1357	$self->load_objects ($self->{load_path}, 1)
		1358	or return;
		1359
		1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1361	if delete $self->{load_original};
		1362
		1363	if (my $uniq = $path->uniq_path) {
		1364	utf8::encode $uniq;
		1365	if (aio_open $uniq, O_RDONLY, 0) {
		1366	$self->clear_unique_items;
		1367	$self->load_objects ($uniq, 0);
		1368	}
		1369	}
		1370
		1371	Coro::cede;
		1372
		1373	# now do the right thing for maps
		1374	$self->link_multipart_objects;
		1375
		1376	if ($self->{path}->is_style_map) {
		1377	$self->{deny_save} = 1;
		1378	$self->{deny_reset} = 1;
		1379	} else {
		1380	$self->fix_auto_apply;
		1381	$self->decay_objects;
		1382	$self->update_buttons;
		1383	$self->set_darkness_map;
		1384	$self->difficulty ($self->estimate_difficulty)
		1385	unless $self->difficulty;
		1386	$self->activate;
		1387	}
		1388
		1389	Coro::cede;
		1390
		1391	$self->in_memory (cf::MAP_IN_MEMORY);
		1392	}
		1393
		1394	# find and load all maps in the 3x3 area around a map
		1395	sub load_diag {
		1396	my ($map) = @_;
		1397
		1398	my @diag; # diagonal neighbours
		1399
		1400	for (0 .. 3) {
		1401	my $neigh = $map->tile_path ($_)
		1402	or next;
		1403	$neigh = find $neigh, $map
		1404	or next;
		1405	$neigh->load;
		1406
		1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1409	}
		1410
		1411	for (@diag) {
		1412	my $neigh = find @$_
		1413	or next;
		1414	$neigh->load;
		1415	}
		1416	}
		1417
		1418	sub find_sync {
		1419	my ($path, $origin) = @_;
		1420
		1421	cf::sync_job { find $path, $origin }
		1422	}
		1423
		1424	sub do_load_sync {
		1425	my ($map) = @_;
		1426
		1427	cf::sync_job { $map->load };
		1428	}
		1429
		1430	our %MAP_PREFETCH;
		1431	our $MAP_PREFETCHER = Coro::async {
		1432	while () {
		1433	while (%MAP_PREFETCH) {
		1434	my $key = each %MAP_PREFETCH
		1435	or next;
		1436	my $path = delete $MAP_PREFETCH{$key};
		1437
		1438	my $map = find $path
		1439	or next;
		1440	$map->load;
		1441	}
		1442	Coro::schedule;
		1443	}
		1444	};
		1445
		1446	sub find_async {
		1447	my ($path, $origin) = @_;
		1448
		1449	$path = new cf::path $path, $origin && $origin->path;
		1450	my $key = $path->as_string;
		1451
		1452	if (my $map = $cf::MAP{$key}) {
		1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1454	}
		1455
		1456	$MAP_PREFETCH{$key} = $path;
		1457	$MAP_PREFETCHER->ready;
		1458
		1459	()
		1460	}
		1461
		1462	sub save {
		1463	my ($self) = @_;
		1464
		1465	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1466
		1467	$self->{last_save} = $cf::RUNTIME;
		1468
		1469	return unless $self->dirty;
		1470
		1471	my $save = $self->{path}->save_path; utf8::encode $save;
		1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1473
		1474	$self->{load_path} = $save;
		1475
		1476	return if $self->{deny_save};
		1477
		1478	local $self->{last_access} = $self->last_access;#d#
		1479
		1480	cf::async {
		1481	$_->contr->save for $self->players;
		1482	};
		1483
		1484	if ($uniq) {
		1485	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1487	} else {
		1488	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1489	}
		1490	}
		1491
		1492	sub swap_out {
		1493	my ($self) = @_;
		1494
		1495	# save first because save cedes
		1496	$self->save;
		1497
		1498	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1499
		1500	return if $self->players;
		1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1502	return if $self->{deny_save};
		1503
		1504	$self->clear;
		1505	$self->in_memory (cf::MAP_SWAPPED);
		1506	}
		1507
		1508	sub reset_at {
		1509	my ($self) = @_;
		1510
		1511	# TODO: safety, remove and allow resettable per-player maps
		1512	return 1e99 if $self->{path}{user_rel};
		1513	return 1e99 if $self->{deny_reset};
		1514
		1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1517
		1518	$time + $to
		1519	}
		1520
		1521	sub should_reset {
		1522	my ($self) = @_;
		1523
		1524	$self->reset_at <= $cf::RUNTIME
		1525	}
		1526
		1527	sub unlink_save {
		1528	my ($self) = @_;
		1529
		1530	utf8::encode (my $save = $self->{path}->save_path);
		1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1533	}
		1534
		1535	sub rename {
		1536	my ($self, $new_path) = @_;
		1537
		1538	$self->unlink_save;
		1539
		1540	delete $cf::MAP{$self->path};
		1541	$self->{path} = new cf::path $new_path;
		1542	$self->path ($self->{path}->as_string);
		1543	$cf::MAP{$self->path} = $self;
		1544
		1545	$self->save;
		1546	}
		1547
		1548	sub reset {
		1549	my ($self) = @_;
		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
		1553	return if $self->players;
		1554	return if $self->{path}{user_rel};#d#
		1555
		1556	warn "resetting map ", $self->path;#d#
		1557
		1558	delete $cf::MAP{$self->path};
		1559
		1560	$_->clear_links_to ($self) for values %cf::MAP;
		1561
		1562	$self->unlink_save;
		1563	$self->destroy;
		1564	}
		1565
		1566	my $nuke_counter = "aaaa";
		1567
		1568	sub nuke {
		1569	my ($self) = @_;
		1570
		1571	$self->{deny_save} = 1;
		1572	$self->reset_timeout (1);
		1573	$self->rename ("{nuke}/" . ($nuke_counter++));
		1574	$self->reset; # polite request, might not happen
		1575	}
		1576
		1577	sub customise_for {
		1578	my ($map, $ob) = @_;
		1579
		1580	if ($map->per_player) {
		1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1582	}
		1583
		1584	$map
		1585	}
		1586
		1587	=item cf::map::unique_maps
		1588
		1589	Returns an arrayref of cf::path's of all shared maps that have
		1590	instantiated unique items. May block.
		1591
		1592	=cut
		1593
		1594	sub unique_maps() {
		1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1596	or return;
		1597
		1598	my @paths;
		1599
		1600	for (@$files) {
		1601	utf8::decode $_;
		1602	next if /\.pst$/;
		1603	next unless /^$PATH_SEP/o;
		1604
		1605	push @paths, new cf::path $_;
		1606	}
		1607
		1608	\@paths
		1609	}
		1610
		1611	package cf;
		1612
		1613	=back
		1614
		1615	=head3 cf::object
		1616
		1617	=cut
		1618
		1619	package cf::object;
760		1620
761	=over 4	1621	=over 4
762		1622
763	=item cf::player::exists $login	1623	=item $ob->inv_recursive
764		1624
765	Returns true when the given account exists.	1625	Returns the inventory of the object _and_ their inventories, recursively.
766		1626
767	=cut	1627	=cut
768		1628
769	sub cf::player::exists($) {	1629	sub inv_recursive_;
770	cf::player::find $_[0]	1630	sub inv_recursive_ {
771	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1631	map { $_, inv_recursive_ $_->inv } @_
772	}	1632	}
773		1633
774	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	sub inv_recursive {
775		1635	inv_recursive_ inv $_[0]
776	Sends an ext reply to the player.
777
778	=cut
779
780	sub cf::player::ext_reply($$$%) {
781	my ($self, $id, %msg) = @_;
782
783	$msg{msgid} = $id;
784
785	$self->send ("ext " . to_json \%msg);
786	}	1636	}
		1637
		1638	package cf;
787		1639
788	=back	1640	=back
789		1641
790	=head3 cf::object::player	1642	=head3 cf::object::player
791		1643
…		…
829	(ref $cf::CFG{"may_$access"}	1681	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1682	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1683	: $cf::CFG{"may_$access"})
832	}	1684	}
833		1685
		1686	=item $player_object->enter_link
		1687
		1688	Freezes the player and moves him/her to a special map (C<{link}>).
		1689
		1690	The player should be reaosnably safe there for short amounts of time. You
		1691	I<MUST> call C<leave_link> as soon as possible, though.
		1692
		1693	=item $player_object->leave_link ($map, $x, $y)
		1694
		1695	Moves the player out of the specila link map onto the given map. If the
		1696	map is not valid (or omitted), the player will be moved back to the
		1697	location he/she was before the call to C<enter_link>, or, if that fails,
		1698	to the emergency map position.
		1699
		1700	Might block.
		1701
		1702	=cut
		1703
		1704	sub cf::object::player::enter_link {
		1705	my ($self) = @_;
		1706
		1707	$self->deactivate_recursive;
		1708
		1709	return if $self->map == $LINK_MAP;
		1710
		1711	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1712	if $self->map;
		1713
		1714	$self->enter_map ($LINK_MAP, 20, 20);
		1715	}
		1716
		1717	sub cf::object::player::leave_link {
		1718	my ($self, $map, $x, $y) = @_;
		1719
		1720	my $link_pos = delete $self->{_link_pos};
		1721
		1722	unless ($map) {
		1723	# restore original map position
		1724	($map, $x, $y) = @{ $link_pos \|\| [] };
		1725	$map = cf::map::find $map;
		1726
		1727	unless ($map) {
		1728	($map, $x, $y) = @$EMERGENCY_POSITION;
		1729	$map = cf::map::find $map
		1730	or die "FATAL: cannot load emergency map\n";
		1731	}
		1732	}
		1733
		1734	($x, $y) = (-1, -1)
		1735	unless (defined $x) && (defined $y);
		1736
		1737	# use -1 or undef as default coordinates, not 0, 0
		1738	($x, $y) = ($map->enter_x, $map->enter_y)
		1739	if $x <=0 && $y <= 0;
		1740
		1741	$map->load;
		1742	$map->load_diag;
		1743
		1744	return unless $self->contr->active;
		1745	$self->activate_recursive;
		1746	$self->enter_map ($map, $x, $y);
		1747	}
		1748
		1749	cf::player->attach (
		1750	on_logout => sub {
		1751	my ($pl) = @_;
		1752
		1753	# abort map switching before logout
		1754	if ($pl->ob->{_link_pos}) {
		1755	cf::sync_job {
		1756	$pl->ob->leave_link
		1757	};
		1758	}
		1759	},
		1760	on_login => sub {
		1761	my ($pl) = @_;
		1762
		1763	# try to abort aborted map switching on player login :)
		1764	# should happen only on crashes
		1765	if ($pl->ob->{_link_pos}) {
		1766	$pl->ob->enter_link;
		1767	(async {
		1768	# we need this sleep as the login has a concurrent enter_exit running
		1769	# and this sleep increases chances of the player not ending up in scorn
		1770	$pl->ob->reply (undef,
		1771	"There was an internal problem at your last logout, "
		1772	. "the server will try to bring you to your intended destination in a second.",
		1773	cf::NDI_RED);
		1774	Coro::Timer::sleep 1;
		1775	$pl->ob->leave_link;
		1776	})->prio (2);
		1777	}
		1778	},
		1779	);
		1780
		1781	=item $player_object->goto ($path, $x, $y)
		1782
		1783	=cut
		1784
		1785	sub cf::object::player::goto {
		1786	my ($self, $path, $x, $y) = @_;
		1787
		1788	$path = new cf::path $path;
		1789
		1790	$self->enter_link;
		1791
		1792	(async {
		1793	my $map = cf::map::find $path->as_string;
		1794	$map = $map->customise_for ($self) if $map;
		1795
		1796	# warn "entering ", $map->path, " at ($x, $y)\n"
		1797	# if $map;
		1798
		1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1800
		1801	$self->leave_link ($map, $x, $y);
		1802	})->prio (1);
		1803	}
		1804
		1805	=item $player_object->enter_exit ($exit_object)
		1806
		1807	=cut
		1808
		1809	sub parse_random_map_params {
		1810	my ($spec) = @_;
		1811
		1812	my $rmp = { # defaults
		1813	xsize => 10,
		1814	ysize => 10,
		1815	};
		1816
		1817	for (split /\n/, $spec) {
		1818	my ($k, $v) = split /\s+/, $_, 2;
		1819
		1820	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1821	}
		1822
		1823	$rmp
		1824	}
		1825
		1826	sub prepare_random_map {
		1827	my ($exit) = @_;
		1828
		1829	# all this does is basically replace the /! path by
		1830	# a new random map path (?random/...) with a seed
		1831	# that depends on the exit object
		1832
		1833	my $rmp = parse_random_map_params $exit->msg;
		1834
		1835	if ($exit->map) {
		1836	$rmp->{region} = $exit->map->region_name;
		1837	$rmp->{origin_map} = $exit->map->path;
		1838	$rmp->{origin_x} = $exit->x;
		1839	$rmp->{origin_y} = $exit->y;
		1840	}
		1841
		1842	$rmp->{random_seed} \|\|= $exit->random_seed;
		1843
		1844	my $data = cf::to_json $rmp;
		1845	my $md5 = Digest::MD5::md5_hex $data;
		1846
		1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1848	aio_write $fh, 0, (length $data), $data, 0;
		1849
		1850	$exit->slaying ("?random/$md5");
		1851	$exit->msg (undef);
		1852	}
		1853	}
		1854
		1855	sub cf::object::player::enter_exit {
		1856	my ($self, $exit) = @_;
		1857
		1858	return unless $self->type == cf::PLAYER;
		1859
		1860	$self->enter_link;
		1861
		1862	(async {
		1863	$self->deactivate_recursive; # just to be sure
		1864	unless (eval {
		1865	prepare_random_map $exit
		1866	if $exit->slaying eq "/!";
		1867
		1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1870
		1871	1;
		1872	}) {
		1873	$self->message ("Something went wrong deep within the crossfire server. "
		1874	. "I'll try to bring you back to the map you were before. "
		1875	. "Please report this to the dungeon master!",
		1876	cf::NDI_UNIQUE \| cf::NDI_RED);
		1877
		1878	warn "ERROR in enter_exit: $@";
		1879	$self->leave_link;
		1880	}
		1881	})->prio (1);
		1882	}
		1883
834	=head3 cf::client	1884	=head3 cf::client
835		1885
836	=over 4	1886	=over 4
837		1887
838	=item $client->send_drawinfo ($text, $flags)	1888	=item $client->send_drawinfo ($text, $flags)
…		…
881	on_reply => sub {	1931	on_reply => sub {
882	my ($ns, $msg) = @_;	1932	my ($ns, $msg) = @_;
883		1933
884	# this weird shuffling is so that direct followup queries	1934	# this weird shuffling is so that direct followup queries
885	# get handled first	1935	# get handled first
886	my $queue = delete $ns->{query_queue};	1936	my $queue = delete $ns->{query_queue}
		1937	or return; # be conservative, not sure how that can happen, but we saw a crash here
887		1938
888	(shift @$queue)->[1]->($msg);	1939	(shift @$queue)->[1]->($msg);
889		1940
890	push @{ $ns->{query_queue} }, @$queue;	1941	push @{ $ns->{query_queue} }, @$queue;
891		1942
…		…
897	}	1948	}
898	}	1949	}
899	},	1950	},
900	);	1951	);
901		1952
902	=item $client->coro (\&cb)	1953	=item $client->async (\&cb)
903		1954
904	Create a new coroutine, running the specified callback. The coroutine will	1955	Create a new coroutine, running the specified callback. The coroutine will
905	be automatically cancelled when the client gets destroyed (e.g. on logout,	1956	be automatically cancelled when the client gets destroyed (e.g. on logout,
906	or loss of connection).	1957	or loss of connection).
907		1958
908	=cut	1959	=cut
909		1960
910	sub cf::client::coro {	1961	sub cf::client::async {
911	my ($self, $cb) = @_;	1962	my ($self, $cb) = @_;
912		1963
913	my $coro; $coro = async {	1964	my $coro = &Coro::async ($cb);
914	eval {	1965
915	$cb->();	1966	$coro->on_destroy (sub {
916	};
917	warn $@ if $@;
918	delete $self->{_coro}{$coro+0};	1967	delete $self->{_coro}{$coro+0};
919	};	1968	});
920		1969
921	$self->{_coro}{$coro+0} = $coro;	1970	$self->{_coro}{$coro+0} = $coro;
		1971
		1972	$coro
922	}	1973	}
923		1974
924	cf::client->attach (	1975	cf::client->attach (
925	on_destroy => sub {	1976	on_destroy => sub {
926	my ($ns) = @_;	1977	my ($ns) = @_;
…		…
1090		2141
1091	{	2142	{
1092	my $path = cf::localdir . "/database.pst";	2143	my $path = cf::localdir . "/database.pst";
1093		2144
1094	sub db_load() {	2145	sub db_load() {
1095	warn "loading database $path\n";#d# remove later
1096	$DB = stat $path ? Storable::retrieve $path : { };	2146	$DB = stat $path ? Storable::retrieve $path : { };
1097	}	2147	}
1098		2148
1099	my $pid;	2149	my $pid;
1100		2150
1101	sub db_save() {	2151	sub db_save() {
1102	warn "saving database $path\n";#d# remove later
1103	waitpid $pid, 0 if $pid;	2152	waitpid $pid, 0 if $pid;
1104	if (0 == ($pid = fork)) {	2153	if (0 == ($pid = fork)) {
1105	$DB->{_meta}{version} = 1;	2154	$DB->{_meta}{version} = 1;
1106	Storable::nstore $DB, "$path~";	2155	Storable::nstore $DB, "$path~";
1107	rename "$path~", $path;	2156	rename "$path~", $path;
…		…
1155	open my $fh, "<:utf8", cf::confdir . "/config"	2204	open my $fh, "<:utf8", cf::confdir . "/config"
1156	or return;	2205	or return;
1157		2206
1158	local $/;	2207	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	2208	*CFG = YAML::Syck::Load <$fh>;
		2209
		2210	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2211
		2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2214
		2215	if (exists $CFG{mlockall}) {
		2216	eval {
		2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2218	and die "WARNING: m(un)lockall failed: $!\n";
		2219	};
		2220	warn $@ if $@;
		2221	}
1160	}	2222	}
1161		2223
1162	sub main {	2224	sub main {
		2225	# we must not ever block the main coroutine
		2226	local $Coro::idle = sub {
		2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2228	async { Event::one_event };
		2229	};
		2230
1163	cfg_load;	2231	cfg_load;
1164	db_load;	2232	db_load;
1165	load_extensions;	2233	load_extensions;
1166	Event::loop;	2234	Event::loop;
1167	}	2235	}
1168		2236
1169	#############################################################################	2237	#############################################################################
1170	# initialisation	2238	# initialisation and cleanup
1171		2239
		2240	# install some emergency cleanup handlers
		2241	BEGIN {
		2242	for my $signal (qw(INT HUP TERM)) {
		2243	Event->signal (
		2244	data => WF_AUTOCANCEL,
		2245	signal => $signal,
		2246	cb => sub {
		2247	cf::cleanup "SIG$signal";
		2248	},
		2249	);
		2250	}
		2251	}
		2252
		2253	sub emergency_save() {
		2254	my $freeze_guard = cf::freeze_mainloop;
		2255
		2256	warn "enter emergency perl save\n";
		2257
		2258	cf::sync_job {
		2259	# use a peculiar iteration method to avoid tripping on perl
		2260	# refcount bugs in for. also avoids problems with players
		2261	# and maps saved/Destroyed asynchronously.
		2262	warn "begin emergency player save\n";
		2263	for my $login (keys %cf::PLAYER) {
		2264	my $pl = $cf::PLAYER{$login} or next;
		2265	$pl->valid or next;
		2266	$pl->save;
		2267	}
		2268	warn "end emergency player save\n";
		2269
		2270	warn "begin emergency map save\n";
		2271	for my $path (keys %cf::MAP) {
		2272	my $map = $cf::MAP{$path} or next;
		2273	$map->valid or next;
		2274	$map->save;
		2275	}
		2276	warn "end emergency map save\n";
		2277	};
		2278
		2279	warn "leave emergency perl save\n";
		2280	}
		2281
1172	sub _perl_reload(&) {	2282	sub reload() {
1173	my ($msg) = @_;	2283	# can/must only be called in main
		2284	if ($Coro::current != $Coro::main) {
		2285	warn "can only reload from main coroutine\n";
		2286	return;
		2287	}
1174		2288
1175	$msg->("reloading...");	2289	warn "reloading...";
		2290
		2291	warn "freezing server";
		2292	my $guard = freeze_mainloop;
		2293	cf::emergency_save;
		2294
		2295	warn "sync database to disk";
		2296	cf::db_sync;
		2297	IO::AIO::flush;
1176		2298
1177	eval {	2299	eval {
		2300	# if anything goes wrong in here, we should simply crash as we already saved
		2301
1178	# cancel all watchers	2302	warn "cancel all watchers";
1179	for (Event::all_watchers) {	2303	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	2304	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	2305	}
1182		2306
		2307	warn "cancel all extension coros";
		2308	$_->cancel for values %EXT_CORO;
		2309	%EXT_CORO = ();
		2310
		2311	warn "remove commands";
		2312	%COMMAND = ();
		2313
		2314	warn "remove ext commands";
		2315	%EXTCMD = ();
		2316
1183	# unload all extensions	2317	warn "unload/nuke all extensions";
1184	for (@exts) {	2318	for my $pkg (@EXTS) {
1185	$msg->("unloading <$_>");	2319	warn "... unloading $pkg";
1186	unload_extension $_;	2320
		2321	if (my $cb = $pkg->can ("unload")) {
		2322	eval {
		2323	$cb->($pkg);
		2324	1
		2325	} or warn "$pkg unloaded, but with errors: $@";
1187	}	2326	}
1188		2327
		2328	warn "... nuking $pkg";
		2329	Symbol::delete_package $pkg;
		2330	}
		2331
1189	# unload all modules loaded from $LIBDIR	2332	warn "unload all perl modules loaded from $LIBDIR";
1190	while (my ($k, $v) = each %INC) {	2333	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		2335
1193	$msg->("removing <$k>");	2336	warn "removing <$k>";
1194	delete $INC{$k};	2337	delete $INC{$k};
1195		2338
1196	$k =~ s/\.pm$//;	2339	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	2340	$k =~ s/\//::/g;
1198		2341
…		…
1201	}	2344	}
1202		2345
1203	Symbol::delete_package $k;	2346	Symbol::delete_package $k;
1204	}	2347	}
1205		2348
1206	# sync database to disk
1207	cf::db_sync;
1208
1209	# get rid of safe::, as good as possible	2349	warn "get rid of safe::, as good as possible";
1210	Symbol::delete_package "safe::$_"	2350	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		2352
1213	# remove register_script_function callbacks
1214	# TODO
1215
1216	# unload cf.pm "a bit"	2353	warn "unload cf.pm \"a bit\"";
1217	delete $INC{"cf.pm"};	2354	delete $INC{"cf.pm"};
1218		2355
1219	# don't, removes xs symbols, too,	2356	# don't, removes xs symbols, too,
1220	# and global variables created in xs	2357	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	2358	#Symbol::delete_package __PACKAGE__;
1222		2359
1223	# reload cf.pm
1224	$msg->("reloading cf.pm");	2360	warn "reloading cf.pm";
1225	require cf;	2361	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227		2363
1228
1229	# load config and database again	2364	warn "load config and database again";
1230	cf::cfg_load;	2365	cf::cfg_load;
1231	cf::db_load;	2366	cf::db_load;
1232		2367
1233	# load extensions	2368	warn "load extensions";
1234	$msg->("load extensions");
1235	cf::load_extensions;	2369	cf::load_extensions;
1236		2370
1237	# reattach attachments to objects	2371	warn "reattach attachments to objects/players";
1238	$msg->("reattach");
1239	_global_reattach;	2372	_global_reattach;
		2373	warn "reattach attachments to maps";
		2374	reattach $_ for values %MAP;
1240	};	2375	};
1241	$msg->($@) if $@;
1242		2376
1243	$msg->("reloaded");	2377	if ($@) {
		2378	warn $@;
		2379	warn "error while reloading, exiting.";
		2380	exit 1;
		2381	}
		2382
		2383	warn "reloaded";
1244	};	2384	};
1245		2385
1246	sub perl_reload() {	2386	#############################################################################
1247	_perl_reload {
1248	warn $_[0];
1249	print "$_[0]\n";
1250	};
1251	}
1252		2387
1253	register "<global>", __PACKAGE__;	2388	unless ($LINK_MAP) {
		2389	$LINK_MAP = cf::map::new;
1254		2390
		2391	$LINK_MAP->width (41);
		2392	$LINK_MAP->height (41);
		2393	$LINK_MAP->alloc;
		2394	$LINK_MAP->path ("{link}");
		2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2397
		2398	# dirty hack because... archetypes are not yet loaded
		2399	Event->timer (
		2400	after => 10,
		2401	cb => sub {
		2402	$_[0]->w->cancel;
		2403
		2404	# provide some exits "home"
		2405	my $exit = cf::object::new "exit";
		2406
		2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2410
		2411	$LINK_MAP->insert ($exit->clone, 19, 19);
		2412	$LINK_MAP->insert ($exit->clone, 19, 20);
		2413	$LINK_MAP->insert ($exit->clone, 19, 21);
		2414	$LINK_MAP->insert ($exit->clone, 20, 19);
		2415	$LINK_MAP->insert ($exit->clone, 20, 21);
		2416	$LINK_MAP->insert ($exit->clone, 21, 19);
		2417	$LINK_MAP->insert ($exit->clone, 21, 20);
		2418	$LINK_MAP->insert ($exit->clone, 21, 21);
		2419
		2420	$exit->destroy;
		2421	});
		2422
		2423	$LINK_MAP->{deny_save} = 1;
		2424	$LINK_MAP->{deny_reset} = 1;
		2425
		2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
		2427	}
		2428
1255	register_command "perl-reload" => sub {	2429	register_command "reload" => sub {
1256	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
1257		2431
1258	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
1259	_perl_reload {	2433	$who->message ("start of reload.");
1260	warn $_[0];	2434	reload;
1261	$who->message ($_[0]);	2435	$who->message ("end of reload.");
1262	};
1263	}	2436	}
1264	};	2437	};
1265		2438
1266	unshift @INC, $LIBDIR;	2439	unshift @INC, $LIBDIR;
1267		2440
1268	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
		2442	reentrant => 0,
1269	prio => 0,	2443	prio => 0,
1270	at => $NEXT_TICK \|\| 1,	2444	at => $NEXT_TICK \|\| $TICK,
1271	data => WF_AUTOCANCEL,	2445	data => WF_AUTOCANCEL,
1272	cb => sub {	2446	cb => sub {
1273	cf::server_tick; # one server iteration	2447	cf::server_tick; # one server iteration
1274		2448	$RUNTIME += $TICK;
1275	my $NOW = Event::time;
1276	$NEXT_TICK += $TICK;	2449	$NEXT_TICK += $TICK;
1277		2450
		2451	$WAIT_FOR_TICK->broadcast;
		2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2453
1278	# if we are delayed by four ticks or more, skip them all	2454	# if we are delayed by four ticks or more, skip them all
1279	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1280		2456
1281	$TICK_WATCHER->at ($NEXT_TICK);	2457	$TICK_WATCHER->at ($NEXT_TICK);
1282	$TICK_WATCHER->start;	2458	$TICK_WATCHER->start;
1283	},	2459	},
1284	);	2460	);
1285		2461
1286	IO::AIO::max_poll_time $TICK * 0.2;	2462	IO::AIO::max_poll_time $TICK * 0.2;
1287		2463
		2464	Event->io (
1288	Event->io (fd => IO::AIO::poll_fileno,	2465	fd => IO::AIO::poll_fileno,
1289	poll => 'r',	2466	poll => 'r',
1290	prio => 5,	2467	prio => 5,
1291	data => WF_AUTOCANCEL,	2468	data => WF_AUTOCANCEL,
1292	cb => \&IO::AIO::poll_cb);	2469	cb => \&IO::AIO::poll_cb,
		2470	);
		2471
		2472	Event->timer (
		2473	data => WF_AUTOCANCEL,
		2474	after => 0,
		2475	interval => 10,
		2476	cb => sub {
		2477	(Coro::unblock_sub {
		2478	write_runtime
		2479	or warn "ERROR: unable to write runtime file: $!";
		2480	})->();
		2481	},
		2482	);
		2483
		2484	END { cf::emergency_save }
1293		2485
1294	1	2486	1
1295		2487

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs. Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.100 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC