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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 1.164 by root, Thu Jan 11 01:24:25 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}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}	502	}
379		503
380	# this is somewhat ugly, but style maps do need special treatment	504	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {	505	sub is_style_map {
382	$_[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 ($self->save_path)
		519	}
		520
		521	sub unlink_save {
		522	my ($self) = @_;
		523
		524	utf8::encode (my $save = $self->save_path);
		525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
383	}	527	}
384		528
385	package cf;	529	package cf;
386		530
387	#############################################################################	531	#############################################################################
…		…
798	or return;	942	or return;
799		943
800	unless (aio_stat "$filename.pst") {	944	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	945	(aio_load "$filename.pst", $av) >= 0
802	or return;	946	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	947	$av = eval { (Storable::thaw $av)->{objs} };
804	}	948	}
805		949
		950	warn sprintf "loading %s (%d)\n",
		951	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	952	return ($data, $av);
807	}	953	}
808		954
809	#############################################################################	955	#############################################################################
810	# command handling &c	956	# command handling &c
…		…
835	=cut	981	=cut
836		982
837	sub register_extcmd {	983	sub register_extcmd {
838	my ($name, $cb) = @_;	984	my ($name, $cb) = @_;
839		985
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	986	$EXTCMD{$name} = $cb;
844	}	987	}
845		988
846	cf::player->attach (	989	cf::player->attach (
847	on_command => sub {	990	on_command => sub {
848	my ($pl, $name, $params) = @_;	991	my ($pl, $name, $params) = @_;
…		…
861		1004
862	my $msg = eval { from_json $buf };	1005	my $msg = eval { from_json $buf };
863		1006
864	if (ref $msg) {	1007	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1009	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	1010	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	1011	}
869	}	1012	}
870	} else {	1013	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		1016
874	cf::override;	1017	cf::override;
875	},	1018	},
876	);	1019	);
877		1020
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	1021	sub load_extension {
885	my ($path) = @_;	1022	my ($path) = @_;
886		1023
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	1025	my $base = $1;
889	my $pkg = $1;	1026	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	1027	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	1028	$pkg = "ext::$pkg";
892		1029
893	warn "loading '$path' into '$pkg'\n";	1030	warn "... loading '$path' into '$pkg'\n";
894		1031
895	open my $fh, "<:utf8", $path	1032	open my $fh, "<:utf8", $path
896	or die "$path: $!";	1033	or die "$path: $!";
897		1034
898	my $source =	1035	my $source =
…		…
903		1040
904	eval $source	1041	eval $source
905	or die $@ ? "$path: $@\n"	1042	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";	1043	: "extension disabled.\n";
907		1044
908	push @exts, $pkg;	1045	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	}	1046	}
953		1047
954	sub load_extensions {	1048	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	1049	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	1050	next unless -r $ext;
…		…
974	};	1068	};
975		1069
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977		1071
978	#############################################################################	1072	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->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		1073
1002	=head2 CORE EXTENSIONS	1074	=head2 CORE EXTENSIONS
1003		1075
1004	Functions and methods that extend core crossfire objects.	1076	Functions and methods that extend core crossfire objects.
1005		1077
		1078	=cut
		1079
		1080	package cf::player;
		1081
		1082	use Coro::AIO;
		1083
1006	=head3 cf::player	1084	=head3 cf::player
1007		1085
1008	=over 4	1086	=over 4
1009		1087
1010	=item cf::player::exists $login	1088	=item cf::player::find $login
1011		1089
1012	Returns true when the given account exists.	1090	Returns the given player object, loading it if necessary (might block).
1013		1091
1014	=cut	1092	=cut
1015		1093
1016	sub cf::player::exists($) {	1094	sub playerdir($) {
1017	cf::player::find $_[0]	1095	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1096	. "/"
		1097	. cf::playerdir
		1098	. "/"
		1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1100	}
		1101
		1102	sub path($) {
		1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1104
		1105	(playerdir $login) . "/$login.pl"
		1106	}
		1107
		1108	sub find_active($) {
		1109	$cf::PLAYER{$_[0]}
		1110	and $cf::PLAYER{$_[0]}->active
		1111	and $cf::PLAYER{$_[0]}
		1112	}
		1113
		1114	sub exists($) {
		1115	my ($login) = @_;
		1116
		1117	$cf::PLAYER{$login}
		1118	or cf::sync_job { !aio_stat $login }
		1119	}
		1120
		1121	sub find($) {
		1122	return $cf::PLAYER{$_[0]} || do {
		1123	my $login = $_[0];
		1124
		1125	my $guard = cf::lock_acquire "user_find:$login";
		1126
		1127	$cf::PLAYER{$_[0]} || do {
		1128	my $pl = load_pl path $login
		1129	or return;
		1130	$cf::PLAYER{$login} = $pl
		1131	}
		1132	}
		1133	}
		1134
		1135	sub save($) {
		1136	my ($pl) = @_;
		1137
		1138	return if $pl->{deny_save};
		1139
		1140	my $path = path $pl;
		1141	my $guard = cf::lock_acquire "user_save:$path";
		1142
		1143	return if $pl->{deny_save};
		1144
		1145	aio_mkdir playerdir $pl, 0770;
		1146	$pl->{last_save} = $cf::RUNTIME;
		1147
		1148	$pl->save_pl ($path);
		1149	Coro::cede;
		1150	}
		1151
		1152	sub new($) {
		1153	my ($login) = @_;
		1154
		1155	my $self = create;
		1156
		1157	$self->ob->name ($login);
		1158	$self->{deny_save} = 1;
		1159
		1160	$cf::PLAYER{$login} = $self;
		1161
		1162	$self
		1163	}
		1164
		1165	=item $pl->quit_character
		1166
		1167	Nukes the player without looking back. If logged in, the connection will
		1168	be destroyed. May block for a long time.
		1169
		1170	=cut
		1171
		1172	sub quit_character {
		1173	my ($pl) = @_;
		1174
		1175	$pl->{deny_save} = 1;
		1176	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1177
		1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1179	$pl->deactivate;
		1180	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1181	$pl->ns->destroy if $pl->ns;
		1182
		1183	my $path = playerdir $pl;
		1184	my $temp = "$path~$cf::RUNTIME~deleting~";
		1185	aio_rename $path, $temp;
		1186	delete $cf::PLAYER{$pl->ob->name};
		1187	$pl->destroy;
		1188	IO::AIO::aio_rmtree $temp;
		1189	}
		1190
		1191	=item cf::player::list_logins
		1192
		1193	Returns am arrayref of all valid playernames in the system, can take a
		1194	while and may block, so not sync_job-capable, ever.
		1195
		1196	=cut
		1197
		1198	sub list_logins {
		1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1200	or return [];
		1201
		1202	my @logins;
		1203
		1204	for my $login (@$dirs) {
		1205	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1206	aio_read $fh, 0, 512, my $buf, 0 or next;
		1207	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1208
		1209	utf8::decode $login;
		1210	push @logins, $login;
		1211	}
		1212
		1213	\@logins
		1214	}
		1215
		1216	=item $player->maps
		1217
		1218	Returns an arrayref of cf::path's of all maps that are private for this
		1219	player. May block.
		1220
		1221	=cut
		1222
		1223	sub maps($) {
		1224	my ($pl) = @_;
		1225
		1226	my $files = aio_readdir playerdir $pl
		1227	or return;
		1228
		1229	my @paths;
		1230
		1231	for (@$files) {
		1232	utf8::decode $_;
		1233	next if /\.(?:pl|pst)$/;
		1234	next unless /^$PATH_SEP/o;
		1235
		1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1237	}
		1238
		1239	\@paths
1019	}	1240	}
1020		1241
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1242	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1243
1023	Sends an ext reply to the player.	1244	Sends an ext reply to the player.
1024		1245
1025	=cut	1246	=cut
1026		1247
1027	sub cf::player::ext_reply($$$%) {	1248	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1249	my ($self, $id, %msg) = @_;
1029		1250
1030	$msg{msgid} = $id;	1251	$msg{msgid} = $id;
1031		1252
1032	$self->send ("ext " . to_json \%msg);	1253	$self->send ("ext " . cf::to_json \%msg);
1033	}	1254	}
		1255
		1256	package cf;
1034		1257
1035	=back	1258	=back
1036		1259
1037		1260
1038	=head3 cf::map	1261	=head3 cf::map
…		…
1044	package cf::map;	1267	package cf::map;
1045		1268
1046	use Fcntl;	1269	use Fcntl;
1047	use Coro::AIO;	1270	use Coro::AIO;
1048		1271
1049	our $MAX_RESET = 7200;	1272	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1273	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1274
1054	sub generate_random_map {	1275	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1276	my ($path, $rmp) = @_;
1056		1277
1057	# mit "rum" bekleckern, nicht	1278	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1279	cf::map::_create_random_map (
1059	$path,	1280	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1284	$rmp->{exit_on_final_map},
…		…
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1286	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1287	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1288	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1289	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1291	(cf::region::find $rmp->{region}), $rmp->{custom}
		1292	)
1071	}	1293	}
1072		1294
1073	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1074	# all maps in C++...	1296	# all maps in C++...
1075	sub change_all_map_light {	1297	sub change_all_map_light {
1076	my ($change) = @_;	1298	my ($change) = @_;
1077		1299
1078	$_->change_map_light ($change) for values %cf::MAP;	1300	$_->change_map_light ($change)
		1301	for grep $_->outdoor, values %cf::MAP;
1079	}	1302	}
1080		1303
1081	sub try_load_header($) {	1304	sub load_map_header($) {
1082	my ($path) = @_;	1305	my ($path) = @_;
1083		1306
1084	utf8::encode $path;	1307	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1308	aio_open $path, O_RDONLY, 0
1086	or return;	1309	or return;
1087		1310
1088	my $map = cf::map::new	1311	my $map = cf::map::new
1089	or return;	1312	or return;
1090		1313
		1314	# for better error messages only, will be overwritten later
		1315	$map->path ($path);
		1316
1091	$map->load_header ($path)	1317	$map->load_header ($path)
1092	or return;	1318	or return;
1093		1319
1094	$map->{load_path} = $path;	1320	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1321
1097	$map	1322	$map
1098	}	1323	}
1099		1324
		1325	sub find;
1100	sub find_map {	1326	sub find {
1101	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1102		1328
1103	#warn "find_map<$path,$origin>\n";#d#	1329	#warn "find<$path,$origin>\n";#d#
1104		1330
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1331	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1332	my $key = $path->as_string;
1107		1333
		1334	cf::lock_wait "map_find:$key";
		1335
1108	$cf::MAP{$key} || do {	1336	$cf::MAP{$key} || do {
		1337	my $guard = cf::lock_acquire "map_find:$key";
		1338
1109	# do it the slow way	1339	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1340	my $map = $path->load_temp;
		1341
		1342	Coro::cede;
1111		1343
1112	if ($map) {	1344	if ($map) {
		1345	$map->last_access ((delete $map->{last_access})
		1346	|| $cf::RUNTIME); #d#
1113	# safety	1347	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1348	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1349	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1350	} else {
1117	if (my $rmp = $path->random_map_params) {	1351	$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;	1352	or return;
1124		1353
		1354	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1355	$map->{instantiate_time} = $cf::RUNTIME;
		1356	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1357	$map->instantiate;
1127		1358
1128	# per-player maps become, after loading, normal maps	1359	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1360	$map->per_player (0) if $path->{user_rel};
1130	}	1361	}
1131		1362
1132	$map->path ($key);	1363	$map->path ($key);
1133	$map->{path} = $path;	1364	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1365	$map->{last_save} = $cf::RUNTIME;
1135		1366
		1367	Coro::cede;
		1368
1136	$map->reset if $map->should_reset;	1369	if ($map->should_reset) {
		1370	$map->reset;
		1371	undef $guard;
		1372	$map = find $path
		1373	or return;
		1374	}
1137		1375
1138	$cf::MAP{$key} = $map	1376	$cf::MAP{$key} = $map
1139	}	1377	}
1140	}	1378	}
1141		1379
1142	sub load {	1380	sub load {
1143	my ($self) = @_;	1381	my ($self) = @_;
1144		1382
		1383	my $path = $self->{path};
		1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1385
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1386	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1387
1147	$self->in_memory (cf::MAP_LOADING);	1388	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1389
1151	$self->alloc;	1390	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1391	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1392	or return;
		1393
		1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1395	if delete $self->{load_original};
1154		1396
1155	if (my $uniq = $path->uniq_path) {	1397	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1398	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1399	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1400	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1401	$self->load_objects ($uniq, 0);
1160	}	1402	}
1161	}	1403	}
1162		1404
		1405	Coro::cede;
		1406
1163	# now do the right thing for maps	1407	# now do the right thing for maps
1164	$self->link_multipart_objects;	1408	$self->link_multipart_objects;
1165		1409
1166	if ($self->{path}->is_style_map) {	1410	if ($self->{path}->is_style_map) {
1167	$self->{deny_save} = 1;	1411	$self->{deny_save} = 1;
1168	$self->{deny_reset} = 1;	1412	$self->{deny_reset} = 1;
1169	} else {	1413	} else {
		1414	$self->decay_objects;
1170	$self->fix_auto_apply;	1415	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1416	$self->update_buttons;
1173	$self->set_darkness_map;	1417	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1418	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1419	unless $self->difficulty;
1176	$self->activate;	1420	$self->activate;
1177	}	1421	}
1178		1422
		1423	Coro::cede;
		1424
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1425	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1426	}
1181		1427
1182	sub load_map_sync {	1428	# find and load all maps in the 3x3 area around a map
		1429	sub load_diag {
		1430	my ($map) = @_;
		1431
		1432	my @diag; # diagonal neighbours
		1433
		1434	for (0 .. 3) {
		1435	my $neigh = $map->tile_path ($_)
		1436	or next;
		1437	$neigh = find $neigh, $map
		1438	or next;
		1439	$neigh->load;
		1440
		1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1443	}
		1444
		1445	for (@diag) {
		1446	my $neigh = find @$_
		1447	or next;
		1448	$neigh->load;
		1449	}
		1450	}
		1451
		1452	sub find_sync {
1183	my ($path, $origin) = @_;	1453	my ($path, $origin) = @_;
1184		1454
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1455	cf::sync_job { find $path, $origin }
		1456	}
1186		1457
1187	cf::sync_job {	1458	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1459	my ($map) = @_;
		1460
		1461	cf::sync_job { $map->load };
		1462	}
		1463
		1464	our %MAP_PREFETCH;
		1465	our $MAP_PREFETCHER = Coro::async {
		1466	while () {
		1467	while (%MAP_PREFETCH) {
		1468	my $key = each %MAP_PREFETCH
1189	or return;	1469	or next;
		1470	my $path = delete $MAP_PREFETCH{$key};
		1471
		1472	my $map = find $path
		1473	or next;
1190	$map->load;	1474	$map->load;
1191	$map	1475	}
		1476	Coro::schedule;
1192	}	1477	}
		1478	};
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = new cf::path $path, $origin && $origin->path;
		1484	my $key = $path->as_string;
		1485
		1486	if (my $map = $cf::MAP{$key}) {
		1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1488	}
		1489
		1490	$MAP_PREFETCH{$key} = $path;
		1491	$MAP_PREFETCHER->ready;
		1492
		1493	()
1193	}	1494	}
1194		1495
1195	sub save {	1496	sub save {
1196	my ($self) = @_;	1497	my ($self) = @_;
1197		1498
		1499	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1500
		1501	$self->{last_save} = $cf::RUNTIME;
		1502
		1503	return unless $self->dirty;
		1504
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1505	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1507
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1508	$self->{load_path} = $save;
1206		1509
1207	return if $self->{deny_save};	1510	return if $self->{deny_save};
1208		1511
1209	warn "saving map ", $self->path;	1512	local $self->{last_access} = $self->last_access;#d#
		1513
		1514	cf::async {
		1515	$_->contr->save for $self->players;
		1516	};
1210		1517
1211	if ($uniq) {	1518	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1520	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1521	} else {
…		…
1217	}	1524	}
1218		1525
1219	sub swap_out {	1526	sub swap_out {
1220	my ($self) = @_;	1527	my ($self) = @_;
1221		1528
		1529	# save first because save cedes
		1530	$self->save;
		1531
		1532	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1533
1222	return if $self->players;	1534	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1535	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1536	return if $self->{deny_save};
1225		1537
1226	$self->save;
1227	$self->clear;	1538	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1539	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1540	}
1230		1541
		1542	sub reset_at {
		1543	my ($self) = @_;
		1544
		1545	# TODO: safety, remove and allow resettable per-player maps
		1546	return 1e99 if $self->{path}{user_rel};
		1547	return 1e99 if $self->{deny_reset};
		1548
		1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1551
		1552	$time + $to
		1553	}
		1554
1231	sub should_reset {	1555	sub should_reset {
1232	my ($map) = @_;	1556	my ($self) = @_;
1233		1557
1234	# TODO: safety, remove and allow resettable per-player maps	1558	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#	1559	}
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238		1560
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;	1561	sub rename {
		1562	my ($self, $new_path) = @_;
1240		1563
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME	1564	$self->{path}->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	$self->save;
1242	}	1572	}
1243		1573
1244	sub reset {	1574	sub reset {
1245	my ($self) = @_;	1575	my ($self) = @_;
1246		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1578
1247	return if $self->players;	1579	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1580	return if $self->{path}{user_rel};#d#
1249		1581
1250	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1251		1583
1252	utf8::encode (my $save = $self->{path}->save_path);	1584	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		1585
1256	$_->clear_links_to ($self) for values %cf::MAP;	1586	$_->clear_links_to ($self) for values %cf::MAP;
1257		1587
		1588	$self->{path}->unlink_save;
1258	$self->clear;	1589	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1590	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	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	$self->reset; # polite request, might not happen
1261	}	1601	}
1262		1602
1263	sub customise_for {	1603	sub customise_for {
1264	my ($map, $ob) = @_;	1604	my ($map, $ob) = @_;
1265		1605
1266	if ($map->per_player) {	1606	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1608	}
1269		1609
1270	$map	1610	$map
1271	}	1611	}
1272		1612
1273	sub emergency_save {	1613	=item cf::map::unique_maps
1274	local $cf::FREEZE = 1;
1275		1614
1276	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.
1277		1617
1278	cf::sync_job {	1618	=cut
1279	warn "begin emergency map save\n";	1619
1280	$_->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 $_;
1281	};	1632	}
1282		1633
1283	warn "end emergency map save\n";	1634	\@paths
1284	}	1635	}
1285		1636
1286	package cf;	1637	package cf;
1287		1638
1288	=back	1639	=back
1289		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
1290		1667
1291	=head3 cf::object::player	1668	=head3 cf::object::player
1292		1669
1293	=over 4	1670	=over 4
1294		1671
…		…
1330	(ref $cf::CFG{"may_$access"}	1707	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1708	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1709	: $cf::CFG{"may_$access"})
1333	}	1710	}
1334		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, $y)
		1720
		1721	Moves the player out of the specila link map onto the given map. If the
		1722	map is not valid (or omitted), the player will be moved back to the
		1723	location he/she was before the call to C<enter_link>, or, if that fails,
		1724	to the emergency map position.
		1725
		1726	Might block.
		1727
		1728	=cut
		1729
1335	sub cf::object::player::enter_link {	1730	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1731	my ($self) = @_;
1337		1732
		1733	$self->deactivate_recursive;
		1734
1338	return if $self->map == $LINK_MAP;	1735	return if $self->map == $LINK_MAP;
1339		1736
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1738	if $self->map;
1342		1739
1343	$self->enter_map ($LINK_MAP, 20, 20);	1740	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1741	}
1346		1742
1347	sub cf::object::player::leave_link {	1743	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1744	my ($self, $map, $x, $y) = @_;
1349		1745
1350	my $link_pos = delete $self->{_link_pos};	1746	my $link_pos = delete $self->{_link_pos};
1351		1747
1352	unless ($map) {	1748	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1749	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1750	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1751	$map = cf::map::find $map;
1358		1752
1359	unless ($map) {	1753	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1754	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1755	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1756	or die "FATAL: cannot load emergency map\n";
1363	}	1757	}
1364	}	1758	}
1365		1759
1366	($x, $y) = (-1, -1)	1760	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1763	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1764	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1765	if $x <=0 && $y <= 0;
1372		1766
1373	$map->load;	1767	$map->load;
		1768	$map->load_diag;
1374		1769
		1770	return unless $self->contr->active;
1375	$self->activate_recursive;	1771	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1772	$self->enter_map ($map, $x, $y);
1377	}	1773	}
1378		1774
		1775	cf::player->attach (
		1776	on_logout => sub {
		1777	my ($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
1379	=item $player_object->goto_map ($map, $x, $y)	1807	=item $player_object->goto ($path, $x, $y)
1380		1808
1381	=cut	1809	=cut
1382		1810
1383	sub cf::object::player::goto_map {	1811	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1812	my ($self, $path, $x, $y) = @_;
1385		1813
		1814	$path = new cf::path $path;
		1815
1386	$self->enter_link;	1816	$self->enter_link;
1387		1817
1388	(Coro::async {	1818	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1819	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1820	$map = $map->customise_for ($self) if $map;
1393		1821
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1822	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	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);
1396		1826
1397	$self->leave_link ($map, $x, $y);	1827	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1828	})->prio (1);
1399	}	1829	}
1400		1830
…		…
1453		1883
1454	return unless $self->type == cf::PLAYER;	1884	return unless $self->type == cf::PLAYER;
1455		1885
1456	$self->enter_link;	1886	$self->enter_link;
1457		1887
1458	(Coro::async {	1888	(async {
		1889	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1890	unless (eval {
1460
1461	prepare_random_map $exit	1891	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1892	if $exit->slaying eq "/!";
1463		1893
1464	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;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1896
1467	1;	1897	1;
1468	}) {	1898	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1899	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	1901	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1902	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1903
1474	warn "ERROR in enter_exit: $@";	1904	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1905	$self->leave_link;
1476	}	1906	}
…		…
1527	on_reply => sub {	1957	on_reply => sub {
1528	my ($ns, $msg) = @_;	1958	my ($ns, $msg) = @_;
1529		1959
1530	# this weird shuffling is so that direct followup queries	1960	# this weird shuffling is so that direct followup queries
1531	# get handled first	1961	# get handled first
1532	my $queue = delete $ns->{query_queue};	1962	my $queue = delete $ns->{query_queue}
		1963	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1964
1534	(shift @$queue)->[1]->($msg);	1965	(shift @$queue)->[1]->($msg);
1535		1966
1536	push @{ $ns->{query_queue} }, @$queue;	1967	push @{ $ns->{query_queue} }, @$queue;
1537		1968
…		…
1543	}	1974	}
1544	}	1975	}
1545	},	1976	},
1546	);	1977	);
1547		1978
1548	=item $client->coro (\&cb)	1979	=item $client->async (\&cb)
1549		1980
1550	Create a new coroutine, running the specified callback. The coroutine will	1981	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1982	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1983	or loss of connection).
1553		1984
1554	=cut	1985	=cut
1555		1986
1556	sub cf::client::coro {	1987	sub cf::client::async {
1557	my ($self, $cb) = @_;	1988	my ($self, $cb) = @_;
1558		1989
1559	my $coro; $coro = async {	1990	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1991
1566	$coro->on_destroy (sub {	1992	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1993	delete $self->{_coro}{$coro+0};
1568	});	1994	});
1569		1995
…		…
1741		2167
1742	{	2168	{
1743	my $path = cf::localdir . "/database.pst";	2169	my $path = cf::localdir . "/database.pst";
1744		2170
1745	sub db_load() {	2171	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2172	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2173	}
1749		2174
1750	my $pid;	2175	my $pid;
1751		2176
1752	sub db_save() {	2177	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2178	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2179	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2180	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2181	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2182	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2230	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2231	or return;
1808		2232
1809	local $/;	2233	local $/;
1810	*CFG = YAML::Syck::Load <$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	}
1811	}	2248	}
1812		2249
1813	sub main {	2250	sub main {
1814	# we must not ever block the main coroutine	2251	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2252	local $Coro::idle = sub {
1816	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#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2254	async { Event::one_event };
1819	})->();
1820	};	2255	};
1821		2256
1822	cfg_load;	2257	cfg_load;
1823	db_load;	2258	db_load;
1824	load_extensions;	2259	load_extensions;
1825	Event::loop;	2260	Event::loop;
1826	}	2261	}
1827		2262
1828	#############################################################################	2263	#############################################################################
1829	# initialisation	2264	# initialisation and cleanup
1830		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	$map->save;
		2301	}
		2302	warn "end emergency map save\n";
		2303	};
		2304
		2305	warn "leave emergency perl save\n";
		2306	}
		2307
1831	sub perl_reload() {	2308	sub reload() {
1832	# can/must only be called in main	2309	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2310	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2311	warn "can only reload from main coroutine\n";
1835	return;	2312	return;
1836	}	2313	}
1837		2314
1838	warn "reloading...";	2315	warn "reloading...";
1839		2316
1840	local $FREEZE = 1;	2317	warn "freezing server";
		2318	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2319	cf::emergency_save;
		2320
		2321	warn "sync database to disk";
		2322	cf::db_sync;
		2323	IO::AIO::flush;
1842		2324
1843	eval {	2325	eval {
1844	# 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
1845		2327
1846	# cancel all watchers	2328	warn "cancel all watchers";
1847	for (Event::all_watchers) {	2329	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2330	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2331	}
1850		2332
1851	# cancel all extension coros	2333	warn "cancel all extension coros";
1852	$_->cancel for values %EXT_CORO;	2334	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2335	%EXT_CORO = ();
1854		2336
		2337	warn "remove commands";
		2338	%COMMAND = ();
		2339
		2340	warn "remove ext commands";
		2341	%EXTCMD = ();
		2342
1855	# unload all extensions	2343	warn "unload/nuke all extensions";
1856	for (@exts) {	2344	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2345	warn "... unloading $pkg";
1858	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: $@";
1859	}	2352	}
1860		2353
		2354	warn "... nuking $pkg";
		2355	Symbol::delete_package $pkg;
		2356	}
		2357
1861	# unload all modules loaded from $LIBDIR	2358	warn "unload all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2359	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2361
1865	warn "removing <$k>";	2362	warn "removing <$k>";
1866	delete $INC{$k};	2363	delete $INC{$k};
…		…
1873	}	2370	}
1874		2371
1875	Symbol::delete_package $k;	2372	Symbol::delete_package $k;
1876	}	2373	}
1877		2374
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2375	warn "get rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2376	Symbol::delete_package "safe::$_"
1884	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);
1885		2378
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2379	warn "unload cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2380	delete $INC{"cf.pm"};
1891		2381
1892	# don't, removes xs symbols, too,	2382	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2383	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2384	#Symbol::delete_package __PACKAGE__;
1895		2385
1896	# reload cf.pm
1897	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
1898	require cf;	2387	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2389
1901	# load config and database again	2390	warn "load config and database again";
1902	cf::cfg_load;	2391	cf::cfg_load;
1903	cf::db_load;	2392	cf::db_load;
1904		2393
1905	# load extensions
1906	warn "load extensions";	2394	warn "load extensions";
1907	cf::load_extensions;	2395	cf::load_extensions;
1908		2396
1909	# reattach attachments to objects	2397	warn "reattach attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2398	_global_reattach;
		2399	warn "reattach attachments to maps";
		2400	reattach $_ for values %MAP;
1912	};	2401	};
1913		2402
1914	if ($@) {	2403	if ($@) {
1915	warn $@;	2404	warn $@;
1916	warn "error while reloading, exiting.";	2405	warn "error while reloading, exiting.";
1917	exit 1;	2406	exit 1;
1918	}	2407	}
1919		2408
1920	warn "reloaded successfully";	2409	warn "reloaded";
1921	};	2410	};
1922		2411
1923	#############################################################################	2412	#############################################################################
1924		2413
1925	unless ($LINK_MAP) {	2414	unless ($LINK_MAP) {
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2423
1935	# dirty hack because... archetypes are not yet loaded	2424	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2425	Event->timer (
1937	after => 2,	2426	after => 10,
1938	cb => sub {	2427	cb => sub {
1939	$_[0]->w->cancel;	2428	$_[0]->w->cancel;
1940		2429
1941	# provide some exits "home"	2430	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2431	my $exit = cf::object::new "exit";
…		…
1961	$LINK_MAP->{deny_reset} = 1;	2450	$LINK_MAP->{deny_reset} = 1;
1962		2451
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2453	}
1965		2454
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2455	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
1970		2457
1971	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2459	$who->message ("start of reload.");
1973	perl_reload;	2460	reload;
1974	$who->message ("end of reload.");	2461	$who->message ("end of reload.");
1975	}	2462	}
1976	};	2463	};
1977		2464
1978	unshift @INC, $LIBDIR;	2465	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2468	reentrant => 0,
1982	prio => 0,	2469	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2470	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2471	data => WF_AUTOCANCEL,
1985	cb => sub {	2472	cb => sub {
1986	unless ($FREEZE) {	2473	$NOW = Event::time;
		2474
1987	cf::server_tick; # one server iteration	2475	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2476	$RUNTIME += $TICK;
1989	}
1990
1991	$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;
1992		2481
1993	# 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
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2484
1996	$TICK_WATCHER->at ($NEXT_TICK);	2485	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2507	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2508	})->();
2020	},	2509	},
2021	);	2510	);
2022		2511
		2512	END { cf::emergency_save }
		2513
2023	1	2514	1
2024		2515

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