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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.163 by root, Thu Jan 11 01:01:56 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 3.3;	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	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	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
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME ||= time;	54	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
57		64
58	binmode STDOUT;	65	binmode STDOUT;
59	binmode STDERR;	66	binmode STDERR;
60		67
61	# read virtual server time, if available	68	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	78	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	79	mkdir $RANDOM_MAPS;
73		80
74	# a special map that is always available	81	# a special map that is always available
75	our $LINK_MAP;	82	our $LINK_MAP;
76		83	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		84
79	#############################################################################	85	#############################################################################
80		86
81	=head2 GLOBAL VARIABLES	87	=head2 GLOBAL VARIABLES
82		88
…		…
106		112
107	=item %cf::CFG	113	=item %cf::CFG
108		114
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	115	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	116	from wherever your confdir points to.
		117
		118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		119
		120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		122	processing has been done. Call C<< ->wait >> on them to maximise the
		123	window of cpu time available, or simply to synchronise to the server tick.
111		124
112	=back	125	=back
113		126
114	=cut	127	=cut
115		128
…		…
119	utf8::encode $msg;	132	utf8::encode $msg;
120		133
121	$msg .= "\n"	134	$msg .= "\n"
122	unless $msg =~ /\n$/;	135	unless $msg =~ /\n$/;
123		136
124	LOG llevError, "cfperl: $msg";	137	LOG llevError, $msg;
125	};	138	};
126	}	139	}
127		140
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		160
148	$Event::DIED = sub {	161	$Event::DIED = sub {
149	warn "error in event callback: @_";	162	warn "error in event callback: @_";
150	};	163	};
151		164
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	165	=head2 UTILITY FUNCTIONS
157		166
158	=over 4	167	=over 4
159		168
		169	=item dumpval $ref
		170
160	=cut	171	=cut
		172
		173	sub dumpval {
		174	eval {
		175	local $SIG{__DIE__};
		176	my $d;
		177	if (1) {
		178	$d = new Data::Dumper([$_[0]], ["*var"]);
		179	$d->Terse(1);
		180	$d->Indent(2);
		181	$d->Quotekeys(0);
		182	$d->Useqq(1);
		183	#$d->Bless(...);
		184	$d->Seen($_[1]) if @_ > 1;
		185	$d = $d->Dump();
		186	}
		187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		188	$d
		189	} || "[unable to dump $_[0]: '$@']";
		190	}
161		191
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	192	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		193
164	=item $ref = cf::from_json $json	194	=item $ref = cf::from_json $json
165		195
…		…
180		210
181	sub to_json($) {	211	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	213	JSON::Syck::Dump $_[0]
184	}	214	}
		215
		216	=item cf::lock_wait $string
		217
		218	Wait until the given lock is available. See cf::lock_acquire.
		219
		220	=item my $lock = cf::lock_acquire $string
		221
		222	Wait until the given lock is available and then acquires it and returns
		223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		224	for example when the coroutine gets canceled), the lock is automatically
		225	returned.
		226
		227	Lock names should begin with a unique identifier (for example, cf::map::find
		228	uses map_find and cf::map::load uses map_load).
		229
		230	=cut
		231
		232	our %LOCK;
		233
		234	sub lock_wait($) {
		235	my ($key) = @_;
		236
		237	# wait for lock, if any
		238	while ($LOCK{$key}) {
		239	push @{ $LOCK{$key} }, $Coro::current;
		240	Coro::schedule;
		241	}
		242	}
		243
		244	sub lock_acquire($) {
		245	my ($key) = @_;
		246
		247	# wait, to be sure we are not locked
		248	lock_wait $key;
		249
		250	$LOCK{$key} = [];
		251
		252	Coro::guard {
		253	# wake up all waiters, to be on the safe side
		254	$_->ready for @{ delete $LOCK{$key} };
		255	}
		256	}
		257
		258	sub freeze_mainloop {
		259	return unless $TICK_WATCHER->is_active;
		260
		261	my $guard = Coro::guard { $TICK_WATCHER->start };
		262	$TICK_WATCHER->stop;
		263	$guard
		264	}
		265
		266	=item cf::async { BLOCK }
		267
		268	Currently the same as Coro::async_pool, meaning you cannot use
		269	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		270	thing you are allowed to do is call C<prio> on it.
		271
		272	=cut
		273
		274	BEGIN { *async = \&Coro::async_pool }
185		275
186	=item cf::sync_job { BLOCK }	276	=item cf::sync_job { BLOCK }
187		277
188	The design of crossfire+ requires that the main coro ($Coro::main) is	278	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	279	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	293	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	294	# till the operation succeeds, freezing the server :/
205		295
206	# TODO: use suspend/resume instead	296	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	297	# (but this is cancel-safe)
208	local $FREEZE = 1;	298	my $freeze_guard = freeze_mainloop;
209		299
210	my $busy = 1;	300	my $busy = 1;
211	my @res;	301	my @res;
212		302
213	(Coro::async {	303	(async {
214	@res = eval { $job->() };	304	@res = eval { $job->() };
215	warn $@ if $@;	305	warn $@ if $@;
216	undef $busy;	306	undef $busy;
217	})->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
218		308
219	while ($busy) {	309	while ($busy) {
220	Coro::cede_notself;	310	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	311	}
223		312
224	wantarray ? @res : $res[0]	313	wantarray ? @res : $res[0]
225	} else {	314	} else {
226	# we are in another coroutine, how wonderful, everything just works	315	# we are in another coroutine, how wonderful, everything just works
227		316
228	$job->()	317	$job->()
229	}	318	}
230	}	319	}
231		320
232	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
233		322
234	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
236		325
237	=cut	326	=cut
238		327
239	sub coro(&) {	328	sub async_ext(&) {
240	my $cb = shift;	329	my $cb = shift;
241		330
242	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		332
249	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
251	});	335	});
252	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
282		366
283	#############################################################################	367	#############################################################################
284		368
285	package cf::path;	369	package cf::path;
286		370
		371	use overload
		372	'""' => \&as_string;
		373
		374	# used to convert map paths into valid unix filenames by repalcing / by ∕
		375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		376
		377	sub register {
		378	my ($pkg, $prefix) = @_;
		379
		380	$EXT_MAP{$prefix} = $pkg;
		381	}
		382
287	sub new {	383	sub new {
288	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
289		385
290	$path = $path->as_string if ref $path;	386	return $path if ref $path;
291		387
292	my $self = bless { }, $class;	388	my $self = {};
293		389
294	if ($path =~ s{^\?random/}{}) {	390	# {... are special paths that are not being touched
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	391	# ?xxx/... are special absolute paths
296	$self->{random} = cf::from_json $data;	392	# ?random/... random maps
		393	# /! non-realised random map exit
		394	# /... normal maps
		395	# ~/... per-player maps without a specific player (DO NOT USE)
		396	# ~user/... per-player map of a specific user
		397
		398	$path =~ s/$PATH_SEP/\//go;
		399
		400	if ($path =~ /^{/) {
		401	# fine as it is
297	} else {	402	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
299	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
300		406
301	if (defined $1) {	407	if (defined $1) {
302	$self->{user} = $1;	408	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;	410	$self->{user} = $1;
305	} else {	411	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
308	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
309	# already absolute	422	# already absolute
310	} else {	423	} else {
		424	# relative
311	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
313	}	427	}
314		428
315	for ($path) {	429	for ($path) {
…		…
318	}	432	}
319	}	433	}
320		434
321	$self->{path} = $path;	435	$self->{path} = $path;
322		436
		437	if ("HASH" eq ref $self) {
		438	bless $self, $class;
		439	} else {
		440	$self->init;
		441	}
		442
		443	for my $ext (values %EXT_MAP) {
		444	if (my $subst = $ext->substitute ($self)) {
		445	return $subst;
		446	}
		447	}
		448
323	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
324	}	458	}
325		459
326	# the name / primary key / in-game path	460	# the name / primary key / in-game path
327	sub as_string {	461	sub as_string {
328	my ($self) = @_;	462	my ($self) = @_;
329		463
330	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
332	: $self->{path}	466	: $self->{path}
333	}	467	}
334		468
335	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
336	sub visible_name {	470	sub visible_name {
337	my ($self) = @_;	471	&as_string
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	}	472	}
346		473
347	# escape the /'s in the path	474	# escape the /'s in the path
348	sub _escaped_path {	475	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		477
351	$path	478	$path
352	}	479	}
353		480
354	# the original (read-only) location	481	# the original (read-only) location
355	sub load_path {	482	sub load_path {
…		…
360		487
361	# the temporary/swap location	488	# the temporary/swap location
362	sub save_path {	489	sub save_path {
363	my ($self) = @_;	490	my ($self) = @_;
364		491
		492	$self->{user_rel}
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	493	? 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	494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}	495	}
369		496
370	# the unique path, might be eq to save_path	497	# the unique path, undef == no special unique path
371	sub uniq_path {	498	sub uniq_path {
372	my ($self) = @_;	499	my ($self) = @_;
373		500
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	501	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	}	502	}
385		503
386	# this is somewhat ugly, but style maps do need special treatment	504	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {	505	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}	506	$_[0]{path} =~ m{^/styles/}
		507	}
		508
		509	sub load_orig {
		510	my ($self) = @_;
		511
		512	&cf::map::load_map_header ($self->load_path)
		513	}
		514
		515	sub load_temp {
		516	my ($self) = @_;
		517
		518	&cf::map::load_map_header ($self->save_path)
389	}	519	}
390		520
391	package cf;	521	package cf;
392		522
393	#############################################################################	523	#############################################################################
…		…
804	or return;	934	or return;
805		935
806	unless (aio_stat "$filename.pst") {	936	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	937	(aio_load "$filename.pst", $av) >= 0
808	or return;	938	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	939	$av = eval { (Storable::thaw $av)->{objs} };
810	}	940	}
811		941
		942	warn sprintf "loading %s (%d)\n",
		943	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	944	return ($data, $av);
813	}	945	}
814		946
815	#############################################################################	947	#############################################################################
816	# command handling &c	948	# command handling &c
…		…
841	=cut	973	=cut
842		974
843	sub register_extcmd {	975	sub register_extcmd {
844	my ($name, $cb) = @_;	976	my ($name, $cb) = @_;
845		977
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	978	$EXTCMD{$name} = $cb;
850	}	979	}
851		980
852	cf::player->attach (	981	cf::player->attach (
853	on_command => sub {	982	on_command => sub {
854	my ($pl, $name, $params) = @_;	983	my ($pl, $name, $params) = @_;
…		…
867		996
868	my $msg = eval { from_json $buf };	997	my $msg = eval { from_json $buf };
869		998
870	if (ref $msg) {	999	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	1001	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	1002	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	1003	}
875	}	1004	}
876	} else {	1005	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		1008
880	cf::override;	1009	cf::override;
881	},	1010	},
882	);	1011	);
883		1012
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	1013	sub load_extension {
891	my ($path) = @_;	1014	my ($path) = @_;
892		1015
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	1017	my $base = $1;
895	my $pkg = $1;	1018	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	1019	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	1020	$pkg = "ext::$pkg";
898		1021
899	warn "loading '$path' into '$pkg'\n";	1022	warn "... loading '$path' into '$pkg'\n";
900		1023
901	open my $fh, "<:utf8", $path	1024	open my $fh, "<:utf8", $path
902	or die "$path: $!";	1025	or die "$path: $!";
903		1026
904	my $source =	1027	my $source =
…		…
909		1032
910	eval $source	1033	eval $source
911	or die $@ ? "$path: $@\n"	1034	or die $@ ? "$path: $@\n"
912	: "extension disabled.\n";	1035	: "extension disabled.\n";
913		1036
914	push @exts, $pkg;	1037	push @EXTS, $pkg;
915	$ext_pkg{$base} = $pkg;
916
917	# no strict 'refs';
918	# @{"$pkg\::ISA"} = ext::;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }
933
934	# remove commands
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	1038	}
959		1039
960	sub load_extensions {	1040	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	1041	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1042	next unless -r $ext;
…		…
980	};	1060	};
981		1061
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983		1063
984	#############################################################################	1064	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		1065
1008	=head2 CORE EXTENSIONS	1066	=head2 CORE EXTENSIONS
1009		1067
1010	Functions and methods that extend core crossfire objects.	1068	Functions and methods that extend core crossfire objects.
1011		1069
		1070	=cut
		1071
		1072	package cf::player;
		1073
		1074	use Coro::AIO;
		1075
1012	=head3 cf::player	1076	=head3 cf::player
1013		1077
1014	=over 4	1078	=over 4
1015		1079
1016	=item cf::player::exists $login	1080	=item cf::player::find $login
1017		1081
1018	Returns true when the given account exists.	1082	Returns the given player object, loading it if necessary (might block).
1019		1083
1020	=cut	1084	=cut
1021		1085
1022	sub cf::player::exists($) {	1086	sub playerdir($) {
1023	cf::player::find $_[0]	1087	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1088	. "/"
		1089	. cf::playerdir
		1090	. "/"
		1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1092	}
		1093
		1094	sub path($) {
		1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1096
		1097	(playerdir $login) . "/$login.pl"
		1098	}
		1099
		1100	sub find_active($) {
		1101	$cf::PLAYER{$_[0]}
		1102	and $cf::PLAYER{$_[0]}->active
		1103	and $cf::PLAYER{$_[0]}
		1104	}
		1105
		1106	sub exists($) {
		1107	my ($login) = @_;
		1108
		1109	$cf::PLAYER{$login}
		1110	or cf::sync_job { !aio_stat $login }
		1111	}
		1112
		1113	sub find($) {
		1114	return $cf::PLAYER{$_[0]} || do {
		1115	my $login = $_[0];
		1116
		1117	my $guard = cf::lock_acquire "user_find:$login";
		1118
		1119	$cf::PLAYER{$_[0]} || do {
		1120	my $pl = load_pl path $login
		1121	or return;
		1122	$cf::PLAYER{$login} = $pl
		1123	}
		1124	}
		1125	}
		1126
		1127	sub save($) {
		1128	my ($pl) = @_;
		1129
		1130	return if $pl->{deny_save};
		1131
		1132	my $path = path $pl;
		1133	my $guard = cf::lock_acquire "user_save:$path";
		1134
		1135	return if $pl->{deny_save};
		1136
		1137	aio_mkdir playerdir $pl, 0770;
		1138	$pl->{last_save} = $cf::RUNTIME;
		1139
		1140	$pl->save_pl ($path);
		1141	Coro::cede;
		1142	}
		1143
		1144	sub new($) {
		1145	my ($login) = @_;
		1146
		1147	my $self = create;
		1148
		1149	$self->ob->name ($login);
		1150	$self->{deny_save} = 1;
		1151
		1152	$cf::PLAYER{$login} = $self;
		1153
		1154	$self
		1155	}
		1156
		1157	=item $pl->quit_character
		1158
		1159	Nukes the player without looking back. If logged in, the connection will
		1160	be destroyed. May block for a long time.
		1161
		1162	=cut
		1163
		1164	sub quit_character {
		1165	my ($pl) = @_;
		1166
		1167	$pl->{deny_save} = 1;
		1168	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1169
		1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1171	$pl->deactivate;
		1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1173	$pl->ns->destroy if $pl->ns;
		1174
		1175	my $path = playerdir $pl;
		1176	my $temp = "$path~$cf::RUNTIME~deleting~";
		1177	aio_rename $path, $temp;
		1178	delete $cf::PLAYER{$pl->ob->name};
		1179	$pl->destroy;
		1180	IO::AIO::aio_rmtree $temp;
		1181	}
		1182
		1183	=item cf::player::list_logins
		1184
		1185	Returns am arrayref of all valid playernames in the system, can take a
		1186	while and may block, so not sync_job-capable, ever.
		1187
		1188	=cut
		1189
		1190	sub list_logins {
		1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1192	or return [];
		1193
		1194	my @logins;
		1195
		1196	for my $login (@$dirs) {
		1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1198	aio_read $fh, 0, 512, my $buf, 0 or next;
		1199	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1200
		1201	utf8::decode $login;
		1202	push @logins, $login;
		1203	}
		1204
		1205	\@logins
		1206	}
		1207
		1208	=item $player->maps
		1209
		1210	Returns an arrayref of cf::path's of all maps that are private for this
		1211	player. May block.
		1212
		1213	=cut
		1214
		1215	sub maps($) {
		1216	my ($pl) = @_;
		1217
		1218	my $files = aio_readdir playerdir $pl
		1219	or return;
		1220
		1221	my @paths;
		1222
		1223	for (@$files) {
		1224	utf8::decode $_;
		1225	next if /\.(?:pl|pst)$/;
		1226	next unless /^$PATH_SEP/o;
		1227
		1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1229	}
		1230
		1231	\@paths
1025	}	1232	}
1026		1233
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1234	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1235
1029	Sends an ext reply to the player.	1236	Sends an ext reply to the player.
1030		1237
1031	=cut	1238	=cut
1032		1239
1033	sub cf::player::ext_reply($$$%) {	1240	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1241	my ($self, $id, %msg) = @_;
1035		1242
1036	$msg{msgid} = $id;	1243	$msg{msgid} = $id;
1037		1244
1038	$self->send ("ext " . to_json \%msg);	1245	$self->send ("ext " . cf::to_json \%msg);
1039	}	1246	}
		1247
		1248	package cf;
1040		1249
1041	=back	1250	=back
1042		1251
1043		1252
1044	=head3 cf::map	1253	=head3 cf::map
…		…
1050	package cf::map;	1259	package cf::map;
1051		1260
1052	use Fcntl;	1261	use Fcntl;
1053	use Coro::AIO;	1262	use Coro::AIO;
1054		1263
1055	our $MAX_RESET = 7200;	1264	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1265	our $DEFAULT_RESET = 3000;
1057		1266
1058	sub generate_random_map {	1267	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1268	my ($path, $rmp) = @_;
1060		1269
1061	# mit "rum" bekleckern, nicht	1270	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1271	cf::map::_create_random_map (
1063	$path,	1272	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1276	$rmp->{exit_on_final_map},
…		…
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1280	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1281	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1283	(cf::region::find $rmp->{region}), $rmp->{custom}
		1284	)
1075	}	1285	}
1076		1286
1077	# and all this just because we cannot iterate over	1287	# and all this just because we cannot iterate over
1078	# all maps in C++...	1288	# all maps in C++...
1079	sub change_all_map_light {	1289	sub change_all_map_light {
1080	my ($change) = @_;	1290	my ($change) = @_;
1081		1291
1082	$_->change_map_light ($change) for values %cf::MAP;	1292	$_->change_map_light ($change)
		1293	for grep $_->outdoor, values %cf::MAP;
1083	}	1294	}
1084		1295
1085	sub try_load_header($) {	1296	sub load_map_header($) {
1086	my ($path) = @_;	1297	my ($path) = @_;
1087		1298
1088	utf8::encode $path;	1299	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1300	aio_open $path, O_RDONLY, 0
1090	or return;	1301	or return;
1091		1302
1092	my $map = cf::map::new	1303	my $map = cf::map::new
1093	or return;	1304	or return;
1094		1305
		1306	# for better error messages only, will be overwritten later
		1307	$map->path ($path);
		1308
1095	$map->load_header ($path)	1309	$map->load_header ($path)
1096	or return;	1310	or return;
1097		1311
1098	$map->{load_path} = $path;	1312	$map->{load_path} = $path;
1099		1313
1100	$map	1314	$map
1101	}	1315	}
1102		1316
		1317	sub find;
1103	sub find_map {	1318	sub find {
1104	my ($path, $origin) = @_;	1319	my ($path, $origin) = @_;
1105		1320
1106	#warn "find_map<$path,$origin>\n";#d#	1321	#warn "find<$path,$origin>\n";#d#
1107		1322
1108	$path = new cf::path $path, $origin && $origin->path;	1323	$path = new cf::path $path, $origin && $origin->path;
1109	my $key = $path->as_string;	1324	my $key = $path->as_string;
1110		1325
		1326	cf::lock_wait "map_find:$key";
		1327
1111	$cf::MAP{$key} || do {	1328	$cf::MAP{$key} || do {
		1329	my $guard = cf::lock_acquire "map_find:$key";
		1330
1112	# do it the slow way	1331	# do it the slow way
1113	my $map = try_load_header $path->save_path;	1332	my $map = $path->load_temp;
		1333
		1334	Coro::cede;
1114		1335
1115	if ($map) {	1336	if ($map) {
		1337	$map->last_access ((delete $map->{last_access})
		1338	|| $cf::RUNTIME); #d#
1116	# safety	1339	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME	1340	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;	1341	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {	1342	} else {
1120	if (my $rmp = $path->random_map_params) {	1343	$map = $path->load_orig
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1344	or return;
1127		1345
1128	$map->{load_original} = 1;	1346	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;	1347	$map->{instantiate_time} = $cf::RUNTIME;
		1348	$map->last_access ($cf::RUNTIME);
1130	$map->instantiate;	1349	$map->instantiate;
1131		1350
1132	# per-player maps become, after loading, normal maps	1351	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};	1352	$map->per_player (0) if $path->{user_rel};
1134	}	1353	}
1135		1354
1136	$map->path ($key);	1355	$map->path ($key);
1137	$map->{path} = $path;	1356	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1357	$map->{last_save} = $cf::RUNTIME;
		1358
		1359	Coro::cede;
1139		1360
1140	if ($map->should_reset) {	1361	if ($map->should_reset) {
1141	$map->reset;	1362	$map->reset;
		1363	undef $guard;
1142	$map = find_map $path;	1364	$map = find $path
		1365	or return;
1143	}	1366	}
1144		1367
1145	$cf::MAP{$key} = $map	1368	$cf::MAP{$key} = $map
1146	}	1369	}
1147	}	1370	}
1148		1371
1149	sub load {	1372	sub load {
1150	my ($self) = @_;	1373	my ($self) = @_;
1151		1374
		1375	my $path = $self->{path};
		1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1377
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1378	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1379
1154	$self->in_memory (cf::MAP_LOADING);	1380	$self->in_memory (cf::MAP_LOADING);
1155
1156	my $path = $self->{path};
1157		1381
1158	$self->alloc;	1382	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1383	$self->load_objects ($self->{load_path}, 1)
1160	or return;	1384	or return;
1161		1385
…		…
1167	if (aio_open $uniq, O_RDONLY, 0) {	1391	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1392	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1393	$self->load_objects ($uniq, 0);
1170	}	1394	}
1171	}	1395	}
		1396
		1397	Coro::cede;
1172		1398
1173	# now do the right thing for maps	1399	# now do the right thing for maps
1174	$self->link_multipart_objects;	1400	$self->link_multipart_objects;
1175		1401
1176	if ($self->{path}->is_style_map) {	1402	if ($self->{path}->is_style_map) {
…		…
1184	$self->difficulty ($self->estimate_difficulty)	1410	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1411	unless $self->difficulty;
1186	$self->activate;	1412	$self->activate;
1187	}	1413	}
1188		1414
		1415	Coro::cede;
		1416
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1417	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1418	}
1191		1419
1192	sub load_map_sync {	1420	# find and load all maps in the 3x3 area around a map
		1421	sub load_diag {
		1422	my ($map) = @_;
		1423
		1424	my @diag; # diagonal neighbours
		1425
		1426	for (0 .. 3) {
		1427	my $neigh = $map->tile_path ($_)
		1428	or next;
		1429	$neigh = find $neigh, $map
		1430	or next;
		1431	$neigh->load;
		1432
		1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1435	}
		1436
		1437	for (@diag) {
		1438	my $neigh = find @$_
		1439	or next;
		1440	$neigh->load;
		1441	}
		1442	}
		1443
		1444	sub find_sync {
1193	my ($path, $origin) = @_;	1445	my ($path, $origin) = @_;
1194		1446
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1447	cf::sync_job { find $path, $origin }
		1448	}
1196		1449
1197	cf::sync_job {	1450	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1451	my ($map) = @_;
		1452
		1453	cf::sync_job { $map->load };
		1454	}
		1455
		1456	our %MAP_PREFETCH;
		1457	our $MAP_PREFETCHER = Coro::async {
		1458	while () {
		1459	while (%MAP_PREFETCH) {
		1460	my $key = each %MAP_PREFETCH
1199	or return;	1461	or next;
		1462	my $path = delete $MAP_PREFETCH{$key};
		1463
		1464	my $map = find $path
		1465	or next;
1200	$map->load;	1466	$map->load;
1201	$map	1467	}
		1468	Coro::schedule;
1202	}	1469	}
		1470	};
		1471
		1472	sub find_async {
		1473	my ($path, $origin) = @_;
		1474
		1475	$path = new cf::path $path, $origin && $origin->path;
		1476	my $key = $path->as_string;
		1477
		1478	if (my $map = $cf::MAP{$key}) {
		1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1480	}
		1481
		1482	$MAP_PREFETCH{$key} = $path;
		1483	$MAP_PREFETCHER->ready;
		1484
		1485	()
1203	}	1486	}
1204		1487
1205	sub save {	1488	sub save {
1206	my ($self) = @_;	1489	my ($self) = @_;
1207		1490
		1491	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1492
		1493	$self->{last_save} = $cf::RUNTIME;
		1494
		1495	return unless $self->dirty;
		1496
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1497	my $save = $self->{path}->save_path; utf8::encode $save;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1499
1211	$self->{last_save} = $cf::RUNTIME;
1212
1213	return unless $self->dirty;
1214
1215	$self->{load_path} = $save;	1500	$self->{load_path} = $save;
1216		1501
1217	return if $self->{deny_save};	1502	return if $self->{deny_save};
		1503
		1504	local $self->{last_access} = $self->last_access;#d#
		1505
		1506	cf::async {
		1507	$_->contr->save for $self->players;
		1508	};
1218		1509
1219	if ($uniq) {	1510	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1512	$self->save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1513	} else {
…		…
1225	}	1516	}
1226		1517
1227	sub swap_out {	1518	sub swap_out {
1228	my ($self) = @_;	1519	my ($self) = @_;
1229		1520
		1521	# save first because save cedes
		1522	$self->save;
		1523
		1524	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1525
1230	return if $self->players;	1526	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1527	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1528	return if $self->{deny_save};
1233		1529
1234	$self->save;
1235	$self->clear;	1530	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1531	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1532	}
1238		1533
1239	sub reset_at {	1534	sub reset_at {
1240	my ($self) = @_;	1535	my ($self) = @_;
1241		1536
1242	# TODO: safety, remove and allow resettable per-player maps	1537	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1538	return 1e99 if $self->{path}{user_rel};
1244	return 1e100 if $self->{deny_reset};	1539	return 1e99 if $self->{deny_reset};
1245		1540
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1543
1250	$time + $to	1544	$time + $to
1251	}	1545	}
1252		1546
1253	sub should_reset {	1547	sub should_reset {
…		…
1262	utf8::encode (my $save = $self->{path}->save_path);	1556	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;	1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}	1559	}
1266		1560
		1561	sub rename {
		1562	my ($self, $new_path) = @_;
		1563
		1564	$self->unlink_save;
		1565
		1566	delete $cf::MAP{$self->path};
		1567	$self->{path} = new cf::path $new_path;
		1568	$self->path ($self->{path}->as_string);
		1569	$cf::MAP{$self->path} = $self;
		1570
		1571	$self->save;
		1572	}
		1573
1267	sub reset {	1574	sub reset {
1268	my ($self) = @_;	1575	my ($self) = @_;
1269		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1578
1270	return if $self->players;	1579	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1580	return if $self->{path}{user_rel};#d#
1272		1581
1273	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1274		1583
…		…
1278		1587
1279	$self->unlink_save;	1588	$self->unlink_save;
1280	$self->destroy;	1589	$self->destroy;
1281	}	1590	}
1282		1591
		1592	my $nuke_counter = "aaaa";
		1593
		1594	sub nuke {
		1595	my ($self) = @_;
		1596
		1597	$self->{deny_save} = 1;
		1598	$self->reset_timeout (1);
		1599	$self->rename ("{nuke}/" . ($nuke_counter++));
		1600	$self->reset; # polite request, might not happen
		1601	}
		1602
1283	sub customise_for {	1603	sub customise_for {
1284	my ($map, $ob) = @_;	1604	my ($map, $ob) = @_;
1285		1605
1286	if ($map->per_player) {	1606	if ($map->per_player) {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1288	}	1608	}
1289		1609
1290	$map	1610	$map
1291	}	1611	}
1292		1612
1293	sub emergency_save {	1613	=item cf::map::unique_maps
1294	local $cf::FREEZE = 1;
1295		1614
1296	warn "enter emergency map save\n";	1615	Returns an arrayref of cf::path's of all shared maps that have
		1616	instantiated unique items. May block.
1297		1617
1298	cf::sync_job {	1618	=cut
1299	warn "begin emergency map save\n";	1619
1300	$_->save for values %cf::MAP;	1620	sub unique_maps() {
		1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
		1623
		1624	my @paths;
		1625
		1626	for (@$files) {
		1627	utf8::decode $_;
		1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	push @paths, new cf::path $_;
1301	};	1632	}
1302		1633
1303	warn "end emergency map save\n";	1634	\@paths
1304	}	1635	}
1305		1636
1306	package cf;	1637	package cf;
1307		1638
1308	=back	1639	=back
1309		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1310		1667
1311	=head3 cf::object::player	1668	=head3 cf::object::player
1312		1669
1313	=over 4	1670	=over 4
1314		1671
…		…
1350	(ref $cf::CFG{"may_$access"}	1707	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1708	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1709	: $cf::CFG{"may_$access"})
1353	}	1710	}
1354		1711
		1712	=item $player_object->enter_link
		1713
		1714	Freezes the player and moves him/her to a special map (C<{link}>).
		1715
		1716	The player should be reaosnably safe there for short amounts of time. You
		1717	I<MUST> call C<leave_link> as soon as possible, though.
		1718
		1719	=item $player_object->leave_link ($map, $x, $y)
		1720
		1721	Moves the player out of the specila link map onto the given map. If the
		1722	map is not valid (or omitted), the player will be moved back to the
		1723	location he/she was before the call to C<enter_link>, or, if that fails,
		1724	to the emergency map position.
		1725
		1726	Might block.
		1727
		1728	=cut
		1729
1355	sub cf::object::player::enter_link {	1730	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1731	my ($self) = @_;
1357		1732
		1733	$self->deactivate_recursive;
		1734
1358	return if $self->map == $LINK_MAP;	1735	return if $self->map == $LINK_MAP;
1359		1736
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1738	if $self->map;
1362		1739
1363	$self->enter_map ($LINK_MAP, 20, 20);	1740	$self->enter_map ($LINK_MAP, 20, 20);
1364	$self->deactivate_recursive;
1365	}	1741	}
1366		1742
1367	sub cf::object::player::leave_link {	1743	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1744	my ($self, $map, $x, $y) = @_;
1369		1745
1370	my $link_pos = delete $self->{_link_pos};	1746	my $link_pos = delete $self->{_link_pos};
1371		1747
1372	unless ($map) {	1748	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1749	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1750	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1751	$map = cf::map::find $map;
1378		1752
1379	unless ($map) {	1753	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1754	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1755	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1756	or die "FATAL: cannot load emergency map\n";
1383	}	1757	}
1384	}	1758	}
1385		1759
1386	($x, $y) = (-1, -1)	1760	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1763	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1764	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1765	if $x <=0 && $y <= 0;
1392		1766
1393	$map->load;	1767	$map->load;
		1768	$map->load_diag;
1394		1769
		1770	return unless $self->contr->active;
1395	$self->activate_recursive;	1771	$self->activate_recursive;
1396	$self->enter_map ($map, $x, $y);	1772	$self->enter_map ($map, $x, $y);
1397	}	1773	}
1398		1774
		1775	cf::player->attach (
		1776	on_logout => sub {
		1777	my ($pl) = @_;
		1778
		1779	# abort map switching before logout
		1780	if ($pl->ob->{_link_pos}) {
		1781	cf::sync_job {
		1782	$pl->ob->leave_link
		1783	};
		1784	}
		1785	},
		1786	on_login => sub {
		1787	my ($pl) = @_;
		1788
		1789	# try to abort aborted map switching on player login :)
		1790	# should happen only on crashes
		1791	if ($pl->ob->{_link_pos}) {
		1792	$pl->ob->enter_link;
		1793	(async {
		1794	# we need this sleep as the login has a concurrent enter_exit running
		1795	# and this sleep increases chances of the player not ending up in scorn
		1796	$pl->ob->reply (undef,
		1797	"There was an internal problem at your last logout, "
		1798	. "the server will try to bring you to your intended destination in a second.",
		1799	cf::NDI_RED);
		1800	Coro::Timer::sleep 1;
		1801	$pl->ob->leave_link;
		1802	})->prio (2);
		1803	}
		1804	},
		1805	);
		1806
1399	=item $player_object->goto_map ($map, $x, $y)	1807	=item $player_object->goto ($path, $x, $y)
1400		1808
1401	=cut	1809	=cut
1402		1810
1403	sub cf::object::player::goto_map {	1811	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1812	my ($self, $path, $x, $y) = @_;
1405		1813
		1814	$path = new cf::path $path;
		1815
1406	$self->enter_link;	1816	$self->enter_link;
1407		1817
1408	(Coro::async {	1818	(async {
1409	$path = new cf::path $path;
1410
1411	my $map = cf::map::find_map $path->as_string;	1819	my $map = cf::map::find $path->as_string;
1412	$map = $map->customise_for ($self) if $map;	1820	$map = $map->customise_for ($self) if $map;
1413		1821
1414	warn "entering ", $map->path, " at ($x, $y)\n"	1822	# warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1823	# if $map;
		1824
		1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1826
1417	$self->leave_link ($map, $x, $y);	1827	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1828	})->prio (1);
1419	}	1829	}
1420		1830
…		…
1473		1883
1474	return unless $self->type == cf::PLAYER;	1884	return unless $self->type == cf::PLAYER;
1475		1885
1476	$self->enter_link;	1886	$self->enter_link;
1477		1887
1478	(Coro::async {	1888	(async {
		1889	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1890	unless (eval {
1480
1481	prepare_random_map $exit	1891	prepare_random_map $exit
1482	if $exit->slaying eq "/!";	1892	if $exit->slaying eq "/!";
1483		1893
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1486		1896
1487	1;	1897	1;
1488	}) {	1898	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1899	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1900	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1901	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1902	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1903
1494	warn "ERROR in enter_exit: $@";	1904	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1905	$self->leave_link;
1496	}	1906	}
…		…
1547	on_reply => sub {	1957	on_reply => sub {
1548	my ($ns, $msg) = @_;	1958	my ($ns, $msg) = @_;
1549		1959
1550	# this weird shuffling is so that direct followup queries	1960	# this weird shuffling is so that direct followup queries
1551	# get handled first	1961	# get handled first
1552	my $queue = delete $ns->{query_queue};	1962	my $queue = delete $ns->{query_queue}
		1963	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		1964
1554	(shift @$queue)->[1]->($msg);	1965	(shift @$queue)->[1]->($msg);
1555		1966
1556	push @{ $ns->{query_queue} }, @$queue;	1967	push @{ $ns->{query_queue} }, @$queue;
1557		1968
…		…
1563	}	1974	}
1564	}	1975	}
1565	},	1976	},
1566	);	1977	);
1567		1978
1568	=item $client->coro (\&cb)	1979	=item $client->async (\&cb)
1569		1980
1570	Create a new coroutine, running the specified callback. The coroutine will	1981	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	1982	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	1983	or loss of connection).
1573		1984
1574	=cut	1985	=cut
1575		1986
1576	sub cf::client::coro {	1987	sub cf::client::async {
1577	my ($self, $cb) = @_;	1988	my ($self, $cb) = @_;
1578		1989
1579	my $coro; $coro = async {	1990	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		1991
1586	$coro->on_destroy (sub {	1992	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	1993	delete $self->{_coro}{$coro+0};
1588	});	1994	});
1589		1995
…		…
1761		2167
1762	{	2168	{
1763	my $path = cf::localdir . "/database.pst";	2169	my $path = cf::localdir . "/database.pst";
1764		2170
1765	sub db_load() {	2171	sub db_load() {
1766	warn "loading database $path\n";#d# remove later
1767	$DB = stat $path ? Storable::retrieve $path : { };	2172	$DB = stat $path ? Storable::retrieve $path : { };
1768	}	2173	}
1769		2174
1770	my $pid;	2175	my $pid;
1771		2176
1772	sub db_save() {	2177	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;	2178	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {	2179	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;	2180	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";	2181	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;	2182	rename "$path~", $path;
…		…
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2230	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2231	or return;
1828		2232
1829	local $/;	2233	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2234	*CFG = YAML::Syck::Load <$fh>;
		2235
		2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2237
		2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2240
		2241	if (exists $CFG{mlockall}) {
		2242	eval {
		2243	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2244	and die "WARNING: m(un)lockall failed: $!\n";
		2245	};
		2246	warn $@ if $@;
		2247	}
1831	}	2248	}
1832		2249
1833	sub main {	2250	sub main {
1834	# we must not ever block the main coroutine	2251	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2252	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {
1838	Event::one_event;	2254	async { Event::one_event };
1839	})->();
1840	};	2255	};
1841		2256
1842	cfg_load;	2257	cfg_load;
1843	db_load;	2258	db_load;
1844	load_extensions;	2259	load_extensions;
1845	Event::loop;	2260	Event::loop;
1846	}	2261	}
1847		2262
1848	#############################################################################	2263	#############################################################################
1849	# initialisation	2264	# initialisation and cleanup
		2265
		2266	# install some emergency cleanup handlers
		2267	BEGIN {
		2268	for my $signal (qw(INT HUP TERM)) {
		2269	Event->signal (
		2270	data => WF_AUTOCANCEL,
		2271	signal => $signal,
		2272	cb => sub {
		2273	cf::cleanup "SIG$signal";
		2274	},
		2275	);
		2276	}
		2277	}
		2278
		2279	sub emergency_save() {
		2280	my $freeze_guard = cf::freeze_mainloop;
		2281
		2282	warn "enter emergency perl save\n";
		2283
		2284	cf::sync_job {
		2285	# use a peculiar iteration method to avoid tripping on perl
		2286	# refcount bugs in for. also avoids problems with players
		2287	# and maps saved/Destroyed asynchronously.
		2288	warn "begin emergency player save\n";
		2289	for my $login (keys %cf::PLAYER) {
		2290	my $pl = $cf::PLAYER{$login} or next;
		2291	$pl->valid or next;
		2292	$pl->save;
		2293	}
		2294	warn "end emergency player save\n";
		2295
		2296	warn "begin emergency map save\n";
		2297	for my $path (keys %cf::MAP) {
		2298	my $map = $cf::MAP{$path} or next;
		2299	$map->valid or next;
		2300	$map->save;
		2301	}
		2302	warn "end emergency map save\n";
		2303	};
		2304
		2305	warn "leave emergency perl save\n";
		2306	}
1850		2307
1851	sub reload() {	2308	sub reload() {
1852	# can/must only be called in main	2309	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2310	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2311	warn "can only reload from main coroutine\n";
1855	return;	2312	return;
1856	}	2313	}
1857		2314
1858	warn "reloading...";	2315	warn "reloading...";
1859		2316
1860	local $FREEZE = 1;	2317	warn "freezing server";
		2318	my $guard = freeze_mainloop;
1861	cf::emergency_save;	2319	cf::emergency_save;
		2320
		2321	warn "sync database to disk";
		2322	cf::db_sync;
		2323	IO::AIO::flush;
1862		2324
1863	eval {	2325	eval {
1864	# if anything goes wrong in here, we should simply crash as we already saved	2326	# if anything goes wrong in here, we should simply crash as we already saved
1865		2327
1866	# cancel all watchers	2328	warn "cancel all watchers";
1867	for (Event::all_watchers) {	2329	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2330	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2331	}
1870		2332
1871	# cancel all extension coros	2333	warn "cancel all extension coros";
1872	$_->cancel for values %EXT_CORO;	2334	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2335	%EXT_CORO = ();
1874		2336
		2337	warn "remove commands";
		2338	%COMMAND = ();
		2339
		2340	warn "remove ext commands";
		2341	%EXTCMD = ();
		2342
1875	# unload all extensions	2343	warn "unload/nuke all extensions";
1876	for (@exts) {	2344	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2345	warn "... unloading $pkg";
1878	unload_extension $_;	2346
		2347	if (my $cb = $pkg->can ("unload")) {
		2348	eval {
		2349	$cb->($pkg);
		2350	1
		2351	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2352	}
1880		2353
		2354	warn "... nuking $pkg";
		2355	Symbol::delete_package $pkg;
		2356	}
		2357
1881	# unload all modules loaded from $LIBDIR	2358	warn "unload all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2359	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2361
1885	warn "removing <$k>";	2362	warn "removing <$k>";
1886	delete $INC{$k};	2363	delete $INC{$k};
…		…
1893	}	2370	}
1894		2371
1895	Symbol::delete_package $k;	2372	Symbol::delete_package $k;
1896	}	2373	}
1897		2374
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2375	warn "get rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2376	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2378
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2379	warn "unload cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2380	delete $INC{"cf.pm"};
1911		2381
1912	# don't, removes xs symbols, too,	2382	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2383	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2384	#Symbol::delete_package __PACKAGE__;
1915		2385
1916	# reload cf.pm
1917	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
1918	require cf;	2387	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2389
1921	# load config and database again	2390	warn "load config and database again";
1922	cf::cfg_load;	2391	cf::cfg_load;
1923	cf::db_load;	2392	cf::db_load;
1924		2393
1925	# load extensions
1926	warn "load extensions";	2394	warn "load extensions";
1927	cf::load_extensions;	2395	cf::load_extensions;
1928		2396
1929	# reattach attachments to objects	2397	warn "reattach attachments to objects/players";
1930	warn "reattach";
1931	_global_reattach;	2398	_global_reattach;
		2399	warn "reattach attachments to maps";
		2400	reattach $_ for values %MAP;
1932	};	2401	};
1933		2402
1934	if ($@) {	2403	if ($@) {
1935	warn $@;	2404	warn $@;
1936	warn "error while reloading, exiting.";	2405	warn "error while reloading, exiting.";
1937	exit 1;	2406	exit 1;
1938	}	2407	}
1939		2408
1940	warn "reloaded successfully";	2409	warn "reloaded";
1941	};	2410	};
1942		2411
1943	#############################################################################	2412	#############################################################################
1944		2413
1945	unless ($LINK_MAP) {	2414	unless ($LINK_MAP) {
…		…
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954		2423
1955	# dirty hack because... archetypes are not yet loaded	2424	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (	2425	Event->timer (
1957	after => 2,	2426	after => 10,
1958	cb => sub {	2427	cb => sub {
1959	$_[0]->w->cancel;	2428	$_[0]->w->cancel;
1960		2429
1961	# provide some exits "home"	2430	# provide some exits "home"
1962	my $exit = cf::object::new "exit";	2431	my $exit = cf::object::new "exit";
…		…
1981	$LINK_MAP->{deny_reset} = 1;	2450	$LINK_MAP->{deny_reset} = 1;
1982		2451
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}	2453	}
1985		2454
1986	register "<global>", __PACKAGE__;
1987
1988	register_command "reload" => sub {	2455	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
1990		2457
1991	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2459	$who->message ("start of reload.");
…		…
2001	reentrant => 0,	2468	reentrant => 0,
2002	prio => 0,	2469	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2470	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2471	data => WF_AUTOCANCEL,
2005	cb => sub {	2472	cb => sub {
2006	unless ($FREEZE) {	2473	$NOW = Event::time;
		2474
2007	cf::server_tick; # one server iteration	2475	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2476	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2477	$NEXT_TICK += $TICK;
		2478
		2479	$WAIT_FOR_TICK->broadcast;
		2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2012		2481
2013	# if we are delayed by four ticks or more, skip them all	2482	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2484
2016	$TICK_WATCHER->at ($NEXT_TICK);	2485	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2038	or warn "ERROR: unable to write runtime file: $!";	2507	or warn "ERROR: unable to write runtime file: $!";
2039	})->();	2508	})->();
2040	},	2509	},
2041	);	2510	);
2042		2511
		2512	END { cf::emergency_save }
		2513
2043	1	2514	1
2044		2515

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