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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.165 by root, Fri Jan 12 22:09:22 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	279	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	287	=cut
198		288
199	sub sync_job(&) {	289	sub sync_job(&) {
200	my ($job) = @_;	290	my ($job) = @_;
201		291
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	292	if ($Coro::current == $Coro::main) {
		293	# this is the main coro, too bad, we have to block
		294	# till the operation succeeds, freezing the server :/
		295
212	# TODO: use suspend/resume instead	296	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	297	# (but this is cancel-safe)
		298	my $freeze_guard = freeze_mainloop;
		299
		300	my $busy = 1;
		301	my @res;
		302
		303	(async {
		304	@res = eval { $job->() };
		305	warn $@ if $@;
		306	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
		308
215	while ($busy) {	309	while ($busy) {
216	Coro::cede_notself;	310	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	311	}
		312
		313	wantarray ? @res : $res[0]
219	} else {	314	} else {
220	$coro->join;	315	# we are in another coroutine, how wonderful, everything just works
		316
		317	$job->()
221	}	318	}
222
223	wantarray ? @res : $res[0]
224	}	319	}
225		320
226	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
227		322
228	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
230		325
231	=cut	326	=cut
232		327
233	sub coro(&) {	328	sub async_ext(&) {
234	my $cb = shift;	329	my $cb = shift;
235		330
236	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		332
243	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
245	});	335	});
246	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	342	my $runtime = cf::localdir . "/runtime";
253		343
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	345	or return;
256		346
257	my $value = $cf::RUNTIME;	347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	349	and return;
260		350
261	aio_fsync $fh	351	aio_fsync $fh
262	and return;	352	and return;
…		…
276		366
277	#############################################################################	367	#############################################################################
278		368
279	package cf::path;	369	package cf::path;
280		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} = $pkg;
		381	}
		382
281	sub new {	383	sub new {
282	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
283		385
284	$path = $path->as_string if ref $path;	386	return $path if ref $path;
285		387
286	my $self = bless { }, $class;	388	my $self = {};
287		389
288	if ($path =~ s{^\?random/}{}) {	390	# {... are special paths that are not being touched
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	391	# ?xxx/... are special absolute paths
290	$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 ($path =~ /^{/) {
		401	# fine as it is
291	} else {	402	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
293	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
294		406
295	if (defined $1) {	407	if (defined $1) {
296	$self->{user} = $1;	408	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;	410	$self->{user} = $1;
299	} else {	411	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
302	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
303	# already absolute	422	# already absolute
304	} else {	423	} else {
		424	# relative
305	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
307	}	427	}
308		428
309	for ($path) {	429	for ($path) {
…		…
312	}	432	}
313	}	433	}
314		434
315	$self->{path} = $path;	435	$self->{path} = $path;
316		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
317	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
318	}	458	}
319		459
320	# the name / primary key / in-game path	460	# the name / primary key / in-game path
321	sub as_string {	461	sub as_string {
322	my ($self) = @_;	462	my ($self) = @_;
323		463
324	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
326	: $self->{path}	466	: $self->{path}
327	}	467	}
328		468
329	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
330	sub visible_name {	470	sub visible_name {
331	my ($self) = @_;	471	&as_string
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}	472	}
340		473
341	# escape the /'s in the path	474	# escape the /'s in the path
342	sub _escaped_path {	475	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		477
345	$path	478	$path
346	}	479	}
347		480
348	# the original (read-only) location	481	# the original (read-only) location
349	sub load_path {	482	sub load_path {
…		…
354		487
355	# the temporary/swap location	488	# the temporary/swap location
356	sub save_path {	489	sub save_path {
357	my ($self) = @_;	490	my ($self) = @_;
358		491
		492	$self->{user_rel}
359	$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
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}	495	}
363		496
364	# the unique path, might be eq to save_path	497	# the unique path, undef == no special unique path
365	sub uniq_path {	498	sub uniq_path {
366	my ($self) = @_;	499	my ($self) = @_;
367		500
368	$self->{user_rel} || $self->{random}	501	$self->{user_rel} || $self->{ext}
369	? undef	502	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}	504	}
372		505
373	# return random map parameters, or undef	506	sub customise_for {
374	sub random_map_params {
375	my ($self) = @_;	507	my ($self, $map, $ob) = @_;
376		508
377	$self->{random}	509	if ($map->per_player) {
		510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
		511	}
		512
		513	$map
378	}	514	}
379		515
380	# this is somewhat ugly, but style maps do need special treatment	516	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {	517	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}	518	$_[0]{path} =~ m{^/styles/}
		519	}
		520
		521	sub load_orig {
		522	my ($self) = @_;
		523
		524	&cf::map::load_map_header ($self->load_path)
		525	}
		526
		527	sub load_temp {
		528	my ($self) = @_;
		529
		530	&cf::map::load_map_header ($self->save_path)
		531	}
		532
		533	sub unlink_save {
		534	my ($self) = @_;
		535
		536	utf8::encode (my $save = $self->save_path);
		537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
383	}	539	}
384		540
385	package cf;	541	package cf;
386		542
387	#############################################################################	543	#############################################################################
…		…
798	or return;	954	or return;
799		955
800	unless (aio_stat "$filename.pst") {	956	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	957	(aio_load "$filename.pst", $av) >= 0
802	or return;	958	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	959	$av = eval { (Storable::thaw $av)->{objs} };
804	}	960	}
805		961
		962	warn sprintf "loading %s (%d)\n",
		963	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	964	return ($data, $av);
807	}	965	}
808		966
809	#############################################################################	967	#############################################################################
810	# command handling &c	968	# command handling &c
…		…
835	=cut	993	=cut
836		994
837	sub register_extcmd {	995	sub register_extcmd {
838	my ($name, $cb) = @_;	996	my ($name, $cb) = @_;
839		997
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	998	$EXTCMD{$name} = $cb;
844	}	999	}
845		1000
846	cf::player->attach (	1001	cf::player->attach (
847	on_command => sub {	1002	on_command => sub {
848	my ($pl, $name, $params) = @_;	1003	my ($pl, $name, $params) = @_;
…		…
861		1016
862	my $msg = eval { from_json $buf };	1017	my $msg = eval { from_json $buf };
863		1018
864	if (ref $msg) {	1019	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1021	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	1022	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	1023	}
869	}	1024	}
870	} else {	1025	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		1028
874	cf::override;	1029	cf::override;
875	},	1030	},
876	);	1031	);
877		1032
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	1033	sub load_extension {
885	my ($path) = @_;	1034	my ($path) = @_;
886		1035
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	1037	my $base = $1;
889	my $pkg = $1;	1038	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	1039	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	1040	$pkg = "ext::$pkg";
892		1041
893	warn "loading '$path' into '$pkg'\n";	1042	warn "... loading '$path' into '$pkg'\n";
894		1043
895	open my $fh, "<:utf8", $path	1044	open my $fh, "<:utf8", $path
896	or die "$path: $!";	1045	or die "$path: $!";
897		1046
898	my $source =	1047	my $source =
…		…
903		1052
904	eval $source	1053	eval $source
905	or die $@ ? "$path: $@\n"	1054	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";	1055	: "extension disabled.\n";
907		1056
908	push @exts, $pkg;	1057	push @EXTS, $pkg;
909	$ext_pkg{$base} = $pkg;
910
911	# no strict 'refs';
912	# @{"$pkg\::ISA"} = ext::;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }
927
928	# remove commands
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	1058	}
953		1059
954	sub load_extensions {	1060	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	1061	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	1062	next unless -r $ext;
…		…
974	};	1080	};
975		1081
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977		1083
978	#############################################################################	1084	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		1085
1002	=head2 CORE EXTENSIONS	1086	=head2 CORE EXTENSIONS
1003		1087
1004	Functions and methods that extend core crossfire objects.	1088	Functions and methods that extend core crossfire objects.
1005		1089
		1090	=cut
		1091
		1092	package cf::player;
		1093
		1094	use Coro::AIO;
		1095
1006	=head3 cf::player	1096	=head3 cf::player
1007		1097
1008	=over 4	1098	=over 4
1009		1099
1010	=item cf::player::exists $login	1100	=item cf::player::find $login
1011		1101
1012	Returns true when the given account exists.	1102	Returns the given player object, loading it if necessary (might block).
1013		1103
1014	=cut	1104	=cut
1015		1105
1016	sub cf::player::exists($) {	1106	sub playerdir($) {
1017	cf::player::find $_[0]	1107	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1108	. "/"
		1109	. cf::playerdir
		1110	. "/"
		1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1112	}
		1113
		1114	sub path($) {
		1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1116
		1117	(playerdir $login) . "/$login.pl"
		1118	}
		1119
		1120	sub find_active($) {
		1121	$cf::PLAYER{$_[0]}
		1122	and $cf::PLAYER{$_[0]}->active
		1123	and $cf::PLAYER{$_[0]}
		1124	}
		1125
		1126	sub exists($) {
		1127	my ($login) = @_;
		1128
		1129	$cf::PLAYER{$login}
		1130	or cf::sync_job { !aio_stat $login }
		1131	}
		1132
		1133	sub find($) {
		1134	return $cf::PLAYER{$_[0]} || do {
		1135	my $login = $_[0];
		1136
		1137	my $guard = cf::lock_acquire "user_find:$login";
		1138
		1139	$cf::PLAYER{$_[0]} || do {
		1140	my $pl = load_pl path $login
		1141	or return;
		1142	$cf::PLAYER{$login} = $pl
		1143	}
		1144	}
		1145	}
		1146
		1147	sub save($) {
		1148	my ($pl) = @_;
		1149
		1150	return if $pl->{deny_save};
		1151
		1152	my $path = path $pl;
		1153	my $guard = cf::lock_acquire "user_save:$path";
		1154
		1155	return if $pl->{deny_save};
		1156
		1157	aio_mkdir playerdir $pl, 0770;
		1158	$pl->{last_save} = $cf::RUNTIME;
		1159
		1160	$pl->save_pl ($path);
		1161	Coro::cede;
		1162	}
		1163
		1164	sub new($) {
		1165	my ($login) = @_;
		1166
		1167	my $self = create;
		1168
		1169	$self->ob->name ($login);
		1170	$self->{deny_save} = 1;
		1171
		1172	$cf::PLAYER{$login} = $self;
		1173
		1174	$self
		1175	}
		1176
		1177	=item $pl->quit_character
		1178
		1179	Nukes the player without looking back. If logged in, the connection will
		1180	be destroyed. May block for a long time.
		1181
		1182	=cut
		1183
		1184	sub quit_character {
		1185	my ($pl) = @_;
		1186
		1187	$pl->{deny_save} = 1;
		1188	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1189
		1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1191	$pl->deactivate;
		1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1193	$pl->ns->destroy if $pl->ns;
		1194
		1195	my $path = playerdir $pl;
		1196	my $temp = "$path~$cf::RUNTIME~deleting~";
		1197	aio_rename $path, $temp;
		1198	delete $cf::PLAYER{$pl->ob->name};
		1199	$pl->destroy;
		1200	IO::AIO::aio_rmtree $temp;
		1201	}
		1202
		1203	=item cf::player::list_logins
		1204
		1205	Returns am arrayref of all valid playernames in the system, can take a
		1206	while and may block, so not sync_job-capable, ever.
		1207
		1208	=cut
		1209
		1210	sub list_logins {
		1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1212	or return [];
		1213
		1214	my @logins;
		1215
		1216	for my $login (@$dirs) {
		1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1218	aio_read $fh, 0, 512, my $buf, 0 or next;
		1219	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1220
		1221	utf8::decode $login;
		1222	push @logins, $login;
		1223	}
		1224
		1225	\@logins
		1226	}
		1227
		1228	=item $player->maps
		1229
		1230	Returns an arrayref of cf::path's of all maps that are private for this
		1231	player. May block.
		1232
		1233	=cut
		1234
		1235	sub maps($) {
		1236	my ($pl) = @_;
		1237
		1238	my $files = aio_readdir playerdir $pl
		1239	or return;
		1240
		1241	my @paths;
		1242
		1243	for (@$files) {
		1244	utf8::decode $_;
		1245	next if /\.(?:pl|pst)$/;
		1246	next unless /^$PATH_SEP/o;
		1247
		1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1249	}
		1250
		1251	\@paths
1019	}	1252	}
1020		1253
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1254	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1255
1023	Sends an ext reply to the player.	1256	Sends an ext reply to the player.
1024		1257
1025	=cut	1258	=cut
1026		1259
1027	sub cf::player::ext_reply($$$%) {	1260	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1261	my ($self, $id, %msg) = @_;
1029		1262
1030	$msg{msgid} = $id;	1263	$msg{msgid} = $id;
1031		1264
1032	$self->send ("ext " . to_json \%msg);	1265	$self->send ("ext " . cf::to_json \%msg);
1033	}	1266	}
		1267
		1268	package cf;
1034		1269
1035	=back	1270	=back
1036		1271
1037		1272
1038	=head3 cf::map	1273	=head3 cf::map
…		…
1044	package cf::map;	1279	package cf::map;
1045		1280
1046	use Fcntl;	1281	use Fcntl;
1047	use Coro::AIO;	1282	use Coro::AIO;
1048		1283
1049	our $MAX_RESET = 7200;	1284	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1285	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1286
1054	sub generate_random_map {	1287	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1288	my ($path, $rmp) = @_;
1056		1289
1057	# mit "rum" bekleckern, nicht	1290	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1291	cf::map::_create_random_map (
1059	$path,	1292	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1296	$rmp->{exit_on_final_map},
…		…
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1303	(cf::region::find $rmp->{region}), $rmp->{custom}
		1304	)
1071	}	1305	}
1072		1306
1073	# and all this just because we cannot iterate over	1307	# and all this just because we cannot iterate over
1074	# all maps in C++...	1308	# all maps in C++...
1075	sub change_all_map_light {	1309	sub change_all_map_light {
1076	my ($change) = @_;	1310	my ($change) = @_;
1077		1311
1078	$_->change_map_light ($change) for values %cf::MAP;	1312	$_->change_map_light ($change)
		1313	for grep $_->outdoor, values %cf::MAP;
1079	}	1314	}
1080		1315
1081	sub try_load_header($) {	1316	sub load_map_header($) {
1082	my ($path) = @_;	1317	my ($path) = @_;
1083		1318
1084	utf8::encode $path;	1319	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1320	aio_open $path, O_RDONLY, 0
1086	or return;	1321	or return;
1087		1322
1088	my $map = cf::map::new	1323	my $map = cf::map::new
1089	or return;	1324	or return;
1090		1325
		1326	# for better error messages only, will be overwritten later
		1327	$map->path ($path);
		1328
1091	$map->load_header ($path)	1329	$map->load_header ($path)
1092	or return;	1330	or return;
1093		1331
1094	$map->{load_path} = $path;	1332	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1333
1097	$map	1334	$map
1098	}	1335	}
1099		1336
		1337	sub find;
1100	sub find_map {	1338	sub find {
1101	my ($path, $origin) = @_;	1339	my ($path, $origin) = @_;
1102		1340
1103	#warn "find_map<$path,$origin>\n";#d#	1341	#warn "find<$path,$origin>\n";#d#
1104		1342
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1343	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1344	my $key = $path->as_string;
1107		1345
		1346	cf::lock_wait "map_find:$key";
		1347
1108	$cf::MAP{$key} || do {	1348	$cf::MAP{$key} || do {
		1349	my $guard = cf::lock_acquire "map_find:$key";
		1350
1109	# do it the slow way	1351	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1352	my $map = $path->load_temp;
		1353
		1354	Coro::cede;
1111		1355
1112	if ($map) {	1356	if ($map) {
		1357	$map->last_access ((delete $map->{last_access})
		1358	|| $cf::RUNTIME); #d#
1113	# safety	1359	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1360	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1361	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1362	} else {
1117	if (my $rmp = $path->random_map_params) {	1363	$map = $path->load_orig
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1364	or return;
1124		1365
		1366	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1367	$map->{instantiate_time} = $cf::RUNTIME;
		1368	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1369	$map->instantiate;
1127		1370
1128	# per-player maps become, after loading, normal maps	1371	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1372	$map->per_player (0) if $path->{user_rel};
1130	}	1373	}
1131		1374
1132	$map->path ($key);	1375	$map->path ($key);
1133	$map->{path} = $path;	1376	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1377	$map->{last_save} = $cf::RUNTIME;
1135		1378
		1379	Coro::cede;
		1380
1136	$map->reset if $map->should_reset;	1381	if ($map->should_reset) {
		1382	$map->reset;
		1383	undef $guard;
		1384	$map = find $path
		1385	or return;
		1386	}
1137		1387
1138	$cf::MAP{$key} = $map	1388	$cf::MAP{$key} = $map
1139	}	1389	}
1140	}	1390	}
1141		1391
1142	sub load {	1392	sub load {
1143	my ($self) = @_;	1393	my ($self) = @_;
1144		1394
		1395	my $path = $self->{path};
		1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1397
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1398	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1399
1147	$self->in_memory (cf::MAP_LOADING);	1400	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1401
1151	$self->alloc;	1402	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1403	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1404	or return;
		1405
		1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1407	if delete $self->{load_original};
1154		1408
1155	if (my $uniq = $path->uniq_path) {	1409	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1410	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1411	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1412	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1413	$self->load_objects ($uniq, 0);
1160	}	1414	}
1161	}	1415	}
1162		1416
		1417	Coro::cede;
		1418
1163	# now do the right thing for maps	1419	# now do the right thing for maps
1164	$self->link_multipart_objects;	1420	$self->link_multipart_objects;
1165		1421
1166	if ($self->{path}->is_style_map) {	1422	if ($self->{path}->is_style_map) {
1167	$self->{deny_save} = 1;	1423	$self->{deny_save} = 1;
1168	$self->{deny_reset} = 1;	1424	$self->{deny_reset} = 1;
1169	} else {	1425	} else {
		1426	$self->decay_objects;
1170	$self->fix_auto_apply;	1427	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1428	$self->update_buttons;
1173	$self->set_darkness_map;	1429	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1430	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1431	unless $self->difficulty;
1176	$self->activate;	1432	$self->activate;
1177	}	1433	}
1178		1434
		1435	Coro::cede;
		1436
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1437	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1438	}
1181		1439
1182	sub load_map_sync {	1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1183	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1184		1466
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1186		1469
1187	cf::sync_job {	1470	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1471	my ($map) = @_;
		1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = Coro::async {
		1478	while () {
		1479	while (%MAP_PREFETCH) {
		1480	my $key = each %MAP_PREFETCH
1189	or return;	1481	or next;
		1482	my $path = delete $MAP_PREFETCH{$key};
		1483
		1484	my $map = find $path
		1485	or next;
1190	$map->load;	1486	$map->load;
1191	$map	1487	}
		1488	Coro::schedule;
1192	}	1489	}
		1490	};
		1491
		1492	sub find_async {
		1493	my ($path, $origin) = @_;
		1494
		1495	$path = new cf::path $path, $origin && $origin->path;
		1496	my $key = $path->as_string;
		1497
		1498	if (my $map = $cf::MAP{$key}) {
		1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1500	}
		1501
		1502	$MAP_PREFETCH{$key} = $path;
		1503	$MAP_PREFETCHER->ready;
		1504
		1505	()
1193	}	1506	}
1194		1507
1195	sub save {	1508	sub save {
1196	my ($self) = @_;	1509	my ($self) = @_;
1197		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1512
		1513	$self->{last_save} = $cf::RUNTIME;
		1514
		1515	return unless $self->dirty;
		1516
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1517	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1519
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1520	$self->{load_path} = $save;
1206		1521
1207	return if $self->{deny_save};	1522	return if $self->{deny_save};
1208		1523
1209	warn "saving map ", $self->path;	1524	local $self->{last_access} = $self->last_access;#d#
		1525
		1526	cf::async {
		1527	$_->contr->save for $self->players;
		1528	};
1210		1529
1211	if ($uniq) {	1530	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1533	} else {
…		…
1217	}	1536	}
1218		1537
1219	sub swap_out {	1538	sub swap_out {
1220	my ($self) = @_;	1539	my ($self) = @_;
1221		1540
		1541	# save first because save cedes
		1542	$self->save;
		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1222	return if $self->players;	1546	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1548	return if $self->{deny_save};
1225		1549
1226	$self->save;
1227	$self->clear;	1550	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1551	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1552	}
1230		1553
		1554	sub reset_at {
		1555	my ($self) = @_;
		1556
		1557	# TODO: safety, remove and allow resettable per-player maps
		1558	return 1e99 if $self->{path}{user_rel};
		1559	return 1e99 if $self->{deny_reset};
		1560
		1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1563
		1564	$time + $to
		1565	}
		1566
1231	sub should_reset {	1567	sub should_reset {
1232	my ($map) = @_;	1568	my ($self) = @_;
1233		1569
1234	# TODO: safety, remove and allow resettable per-player maps	1570	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#	1571	}
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238		1572
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;	1573	sub rename {
		1574	my ($self, $new_path) = @_;
1240		1575
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME	1576	$self->{path}->unlink_save;
		1577
		1578	delete $cf::MAP{$self->path};
		1579	$self->{path} = new cf::path $new_path;
		1580	$self->path ($self->{path}->as_string);
		1581	$cf::MAP{$self->path} = $self;
		1582
		1583	$self->save;
1242	}	1584	}
1243		1585
1244	sub reset {	1586	sub reset {
1245	my ($self) = @_;	1587	my ($self) = @_;
1246		1588
		1589	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1590
1247	return if $self->players;	1591	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1592	return if $self->{path}{user_rel};#d#
1249		1593
1250	warn "resetting map ", $self->path;#d#	1594	warn "resetting map ", $self->path;#d#
1251		1595
1252	utf8::encode (my $save = $self->{path}->save_path);	1596	delete $cf::MAP{$self->path};
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255		1597
1256	$_->clear_links_to ($self) for values %cf::MAP;	1598	$_->clear_links_to ($self) for values %cf::MAP;
1257		1599
		1600	$self->{path}->unlink_save;
1258	$self->clear;	1601	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1602	}
1262		1603
1263	sub customise_for {	1604	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1605
1266	if ($map->per_player) {	1606	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1607	my ($self) = @_;
1268	}
1269		1608
1270	$map	1609	$self->{deny_save} = 1;
		1610	$self->reset_timeout (1);
		1611	$self->rename ("{nuke}/" . ($nuke_counter++));
		1612	$self->reset; # polite request, might not happen
1271	}	1613	}
1272		1614
1273	sub emergency_save {	1615	=item cf::map::unique_maps
1274	local $cf::FREEZE = 1;
1275		1616
1276	warn "enter emergency map save\n";	1617	Returns an arrayref of cf::path's of all shared maps that have
		1618	instantiated unique items. May block.
1277		1619
1278	cf::sync_job {	1620	=cut
1279	warn "begin emergency map save\n";	1621
1280	$_->save for values %cf::MAP;	1622	sub unique_maps() {
		1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
		1625
		1626	my @paths;
		1627
		1628	for (@$files) {
		1629	utf8::decode $_;
		1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	push @paths, new cf::path $_;
1281	};	1634	}
1282		1635
1283	warn "end emergency map save\n";	1636	\@paths
1284	}	1637	}
1285		1638
1286	package cf;	1639	package cf;
1287		1640
1288	=back	1641	=back
1289		1642
		1643	=head3 cf::object
		1644
		1645	=cut
		1646
		1647	package cf::object;
		1648
		1649	=over 4
		1650
		1651	=item $ob->inv_recursive
		1652
		1653	Returns the inventory of the object _and_ their inventories, recursively.
		1654
		1655	=cut
		1656
		1657	sub inv_recursive_;
		1658	sub inv_recursive_ {
		1659	map { $_, inv_recursive_ $_->inv } @_
		1660	}
		1661
		1662	sub inv_recursive {
		1663	inv_recursive_ inv $_[0]
		1664	}
		1665
		1666	package cf;
		1667
		1668	=back
1290		1669
1291	=head3 cf::object::player	1670	=head3 cf::object::player
1292		1671
1293	=over 4	1672	=over 4
1294		1673
…		…
1330	(ref $cf::CFG{"may_$access"}	1709	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1710	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1711	: $cf::CFG{"may_$access"})
1333	}	1712	}
1334		1713
		1714	=item $player_object->enter_link
		1715
		1716	Freezes the player and moves him/her to a special map (C<{link}>).
		1717
		1718	The player should be reaosnably safe there for short amounts of time. You
		1719	I<MUST> call C<leave_link> as soon as possible, though.
		1720
		1721	=item $player_object->leave_link ($map, $x, $y)
		1722
		1723	Moves the player out of the specila link map onto the given map. If the
		1724	map is not valid (or omitted), the player will be moved back to the
		1725	location he/she was before the call to C<enter_link>, or, if that fails,
		1726	to the emergency map position.
		1727
		1728	Might block.
		1729
		1730	=cut
		1731
1335	sub cf::object::player::enter_link {	1732	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1733	my ($self) = @_;
1337		1734
		1735	$self->deactivate_recursive;
		1736
1338	return if $self->map == $LINK_MAP;	1737	return if $self->map == $LINK_MAP;
1339		1738
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1740	if $self->map;
1342		1741
1343	$self->enter_map ($LINK_MAP, 20, 20);	1742	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1743	}
1346		1744
1347	sub cf::object::player::leave_link {	1745	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1746	my ($self, $map, $x, $y) = @_;
1349		1747
1350	my $link_pos = delete $self->{_link_pos};	1748	my $link_pos = delete $self->{_link_pos};
1351		1749
1352	unless ($map) {	1750	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1751	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1752	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1753	$map = cf::map::find $map;
1358		1754
1359	unless ($map) {	1755	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1756	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1757	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1758	or die "FATAL: cannot load emergency map\n";
1363	}	1759	}
1364	}	1760	}
1365		1761
1366	($x, $y) = (-1, -1)	1762	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1765	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1766	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1767	if $x <=0 && $y <= 0;
1372		1768
1373	$map->load;	1769	$map->load;
		1770	$map->load_diag;
1374		1771
		1772	return unless $self->contr->active;
1375	$self->activate_recursive;	1773	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1774	$self->enter_map ($map, $x, $y);
1377	}	1775	}
1378		1776
		1777	cf::player->attach (
		1778	on_logout => sub {
		1779	my ($pl) = @_;
		1780
		1781	# abort map switching before logout
		1782	if ($pl->ob->{_link_pos}) {
		1783	cf::sync_job {
		1784	$pl->ob->leave_link
		1785	};
		1786	}
		1787	},
		1788	on_login => sub {
		1789	my ($pl) = @_;
		1790
		1791	# try to abort aborted map switching on player login :)
		1792	# should happen only on crashes
		1793	if ($pl->ob->{_link_pos}) {
		1794	$pl->ob->enter_link;
		1795	(async {
		1796	# we need this sleep as the login has a concurrent enter_exit running
		1797	# and this sleep increases chances of the player not ending up in scorn
		1798	$pl->ob->reply (undef,
		1799	"There was an internal problem at your last logout, "
		1800	. "the server will try to bring you to your intended destination in a second.",
		1801	cf::NDI_RED);
		1802	Coro::Timer::sleep 1;
		1803	$pl->ob->leave_link;
		1804	})->prio (2);
		1805	}
		1806	},
		1807	);
		1808
1379	=item $player_object->goto_map ($map, $x, $y)	1809	=item $player_object->goto ($path, $x, $y)
1380		1810
1381	=cut	1811	=cut
1382		1812
1383	sub cf::object::player::goto_map {	1813	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1814	my ($self, $path, $x, $y) = @_;
1385		1815
		1816	$path = new cf::path $path;
		1817
1386	$self->enter_link;	1818	$self->enter_link;
1387		1819
1388	(Coro::async {	1820	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1821	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1393		1823
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1825	# if $map;
		1826
		1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1828
1397	$self->leave_link ($map, $x, $y);	1829	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1830	})->prio (1);
1399	}	1831	}
1400		1832
…		…
1453		1885
1454	return unless $self->type == cf::PLAYER;	1886	return unless $self->type == cf::PLAYER;
1455		1887
1456	$self->enter_link;	1888	$self->enter_link;
1457		1889
1458	(Coro::async {	1890	(async {
		1891	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1892	unless (eval {
1460
1461	prepare_random_map $exit	1893	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1894	if $exit->slaying eq "/!";
1463		1895
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1898
1467	1;	1899	1;
1468	}) {	1900	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1901	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1902	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1903	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1904	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1905
1474	warn "ERROR in enter_exit: $@";	1906	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1907	$self->leave_link;
1476	}	1908	}
…		…
1527	on_reply => sub {	1959	on_reply => sub {
1528	my ($ns, $msg) = @_;	1960	my ($ns, $msg) = @_;
1529		1961
1530	# this weird shuffling is so that direct followup queries	1962	# this weird shuffling is so that direct followup queries
1531	# get handled first	1963	# get handled first
1532	my $queue = delete $ns->{query_queue};	1964	my $queue = delete $ns->{query_queue}
		1965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1966
1534	(shift @$queue)->[1]->($msg);	1967	(shift @$queue)->[1]->($msg);
1535		1968
1536	push @{ $ns->{query_queue} }, @$queue;	1969	push @{ $ns->{query_queue} }, @$queue;
1537		1970
…		…
1543	}	1976	}
1544	}	1977	}
1545	},	1978	},
1546	);	1979	);
1547		1980
1548	=item $client->coro (\&cb)	1981	=item $client->async (\&cb)
1549		1982
1550	Create a new coroutine, running the specified callback. The coroutine will	1983	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1984	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1985	or loss of connection).
1553		1986
1554	=cut	1987	=cut
1555		1988
1556	sub cf::client::coro {	1989	sub cf::client::async {
1557	my ($self, $cb) = @_;	1990	my ($self, $cb) = @_;
1558		1991
1559	my $coro; $coro = async {	1992	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1993
1566	$coro->on_destroy (sub {	1994	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1995	delete $self->{_coro}{$coro+0};
1568	});	1996	});
1569		1997
…		…
1741		2169
1742	{	2170	{
1743	my $path = cf::localdir . "/database.pst";	2171	my $path = cf::localdir . "/database.pst";
1744		2172
1745	sub db_load() {	2173	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2174	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2175	}
1749		2176
1750	my $pid;	2177	my $pid;
1751		2178
1752	sub db_save() {	2179	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2180	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2181	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2182	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2183	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2184	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2232	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2233	or return;
1808		2234
1809	local $/;	2235	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2236	*CFG = YAML::Syck::Load <$fh>;
		2237
		2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2239
		2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2242
		2243	if (exists $CFG{mlockall}) {
		2244	eval {
		2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2246	and die "WARNING: m(un)lockall failed: $!\n";
		2247	};
		2248	warn $@ if $@;
		2249	}
1811	}	2250	}
1812		2251
1813	sub main {	2252	sub main {
1814	# we must not ever block the main coroutine	2253	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2254	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2256	async { Event::one_event };
1819	})->();
1820	};	2257	};
1821		2258
1822	cfg_load;	2259	cfg_load;
1823	db_load;	2260	db_load;
1824	load_extensions;	2261	load_extensions;
1825	Event::loop;	2262	Event::loop;
1826	}	2263	}
1827		2264
1828	#############################################################################	2265	#############################################################################
1829	# initialisation	2266	# initialisation and cleanup
1830		2267
		2268	# install some emergency cleanup handlers
		2269	BEGIN {
		2270	for my $signal (qw(INT HUP TERM)) {
		2271	Event->signal (
		2272	data => WF_AUTOCANCEL,
		2273	signal => $signal,
		2274	cb => sub {
		2275	cf::cleanup "SIG$signal";
		2276	},
		2277	);
		2278	}
		2279	}
		2280
		2281	sub emergency_save() {
		2282	my $freeze_guard = cf::freeze_mainloop;
		2283
		2284	warn "enter emergency perl save\n";
		2285
		2286	cf::sync_job {
		2287	# use a peculiar iteration method to avoid tripping on perl
		2288	# refcount bugs in for. also avoids problems with players
		2289	# and maps saved/Destroyed asynchronously.
		2290	warn "begin emergency player save\n";
		2291	for my $login (keys %cf::PLAYER) {
		2292	my $pl = $cf::PLAYER{$login} or next;
		2293	$pl->valid or next;
		2294	$pl->save;
		2295	}
		2296	warn "end emergency player save\n";
		2297
		2298	warn "begin emergency map save\n";
		2299	for my $path (keys %cf::MAP) {
		2300	my $map = $cf::MAP{$path} or next;
		2301	$map->valid or next;
		2302	$map->save;
		2303	}
		2304	warn "end emergency map save\n";
		2305	};
		2306
		2307	warn "leave emergency perl save\n";
		2308	}
		2309
1831	sub perl_reload() {	2310	sub reload() {
1832	# can/must only be called in main	2311	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2312	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2313	warn "can only reload from main coroutine\n";
1835	return;	2314	return;
1836	}	2315	}
1837		2316
1838	warn "reloading...";	2317	warn "reloading...";
1839		2318
1840	local $FREEZE = 1;	2319	warn "freezing server";
		2320	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2321	cf::emergency_save;
		2322
		2323	warn "sync database to disk";
		2324	cf::db_sync;
		2325	IO::AIO::flush;
1842		2326
1843	eval {	2327	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2328	# if anything goes wrong in here, we should simply crash as we already saved
1845		2329
1846	# cancel all watchers	2330	warn "cancel all watchers";
1847	for (Event::all_watchers) {	2331	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2332	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2333	}
1850		2334
1851	# cancel all extension coros	2335	warn "cancel all extension coros";
1852	$_->cancel for values %EXT_CORO;	2336	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2337	%EXT_CORO = ();
1854		2338
		2339	warn "remove commands";
		2340	%COMMAND = ();
		2341
		2342	warn "remove ext commands";
		2343	%EXTCMD = ();
		2344
1855	# unload all extensions	2345	warn "unload/nuke all extensions";
1856	for (@exts) {	2346	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2347	warn "... unloading $pkg";
1858	unload_extension $_;	2348
		2349	if (my $cb = $pkg->can ("unload")) {
		2350	eval {
		2351	$cb->($pkg);
		2352	1
		2353	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2354	}
1860		2355
		2356	warn "... nuking $pkg";
		2357	Symbol::delete_package $pkg;
		2358	}
		2359
1861	# unload all modules loaded from $LIBDIR	2360	warn "unload all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2361	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2363
1865	warn "removing <$k>";	2364	warn "removing <$k>";
1866	delete $INC{$k};	2365	delete $INC{$k};
…		…
1873	}	2372	}
1874		2373
1875	Symbol::delete_package $k;	2374	Symbol::delete_package $k;
1876	}	2375	}
1877		2376
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2377	warn "get rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2378	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2380
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2381	warn "unload cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2382	delete $INC{"cf.pm"};
1891		2383
1892	# don't, removes xs symbols, too,	2384	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2385	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2386	#Symbol::delete_package __PACKAGE__;
1895		2387
1896	# reload cf.pm
1897	warn "reloading cf.pm";	2388	warn "reloading cf.pm";
1898	require cf;	2389	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2391
1901	# load config and database again	2392	warn "load config and database again";
1902	cf::cfg_load;	2393	cf::cfg_load;
1903	cf::db_load;	2394	cf::db_load;
1904		2395
1905	# load extensions
1906	warn "load extensions";	2396	warn "load extensions";
1907	cf::load_extensions;	2397	cf::load_extensions;
1908		2398
1909	# reattach attachments to objects	2399	warn "reattach attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2400	_global_reattach;
		2401	warn "reattach attachments to maps";
		2402	reattach $_ for values %MAP;
1912	};	2403	};
1913		2404
1914	if ($@) {	2405	if ($@) {
1915	warn $@;	2406	warn $@;
1916	warn "error while reloading, exiting.";	2407	warn "error while reloading, exiting.";
1917	exit 1;	2408	exit 1;
1918	}	2409	}
1919		2410
1920	warn "reloaded successfully";	2411	warn "reloaded";
1921	};	2412	};
1922		2413
1923	#############################################################################	2414	#############################################################################
1924		2415
1925	unless ($LINK_MAP) {	2416	unless ($LINK_MAP) {
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2425
1935	# dirty hack because... archetypes are not yet loaded	2426	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2427	Event->timer (
1937	after => 2,	2428	after => 10,
1938	cb => sub {	2429	cb => sub {
1939	$_[0]->w->cancel;	2430	$_[0]->w->cancel;
1940		2431
1941	# provide some exits "home"	2432	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2433	my $exit = cf::object::new "exit";
…		…
1961	$LINK_MAP->{deny_reset} = 1;	2452	$LINK_MAP->{deny_reset} = 1;
1962		2453
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2455	}
1965		2456
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2457	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
1970		2459
1971	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2461	$who->message ("start of reload.");
1973	perl_reload;	2462	reload;
1974	$who->message ("end of reload.");	2463	$who->message ("end of reload.");
1975	}	2464	}
1976	};	2465	};
1977		2466
1978	unshift @INC, $LIBDIR;	2467	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2470	reentrant => 0,
1982	prio => 0,	2471	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2472	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
1985	cb => sub {	2474	cb => sub {
1986	unless ($FREEZE) {	2475	$NOW = Event::time;
		2476
1987	cf::server_tick; # one server iteration	2477	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2478	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2479	$NEXT_TICK += $TICK;
		2480
		2481	$WAIT_FOR_TICK->broadcast;
		2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
1992		2483
1993	# if we are delayed by four ticks or more, skip them all	2484	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2486
1996	$TICK_WATCHER->at ($NEXT_TICK);	2487	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2509	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2510	})->();
2020	},	2511	},
2021	);	2512	);
2022		2513
		2514	END { cf::emergency_save }
		2515
2023	1	2516	1
2024		2517

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