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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 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 $json
165		195
…		…
181	sub to_json($) {	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	}
185		215
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	216	=item cf::lock_wait $string
209		217
210	Wait until the given lock is available. See cf::lock_acquire.	218	Wait until the given lock is available. See cf::lock_acquire.
211		219
212	=item my $lock = cf::lock_acquire $string	220	=item my $lock = cf::lock_acquire $string
213		221
214	Wait until the given lock is available and then acquires it and returns	222	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	224	for example when the coroutine gets canceled), the lock is automatically
217	returned.	225	returned.
218		226
219	Lock names should begin with a unique identifier (for example, find_map	227	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	228	uses map_find and cf::map::load uses map_load).
221		229
222	=cut	230	=cut
223		231
224	our %LOCK;	232	our %LOCK;
225		233
…		…
239	# wait, to be sure we are not locked	247	# wait, to be sure we are not locked
240	lock_wait $key;	248	lock_wait $key;
241		249
242	$LOCK{$key} = [];	250	$LOCK{$key} = [];
243		251
244	cf::guard {	252	Coro::guard {
245	# wake up all waiters, to be on the safe side	253	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	254	$_->ready for @{ delete $LOCK{$key} };
247	}	255	}
248	}	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	$guard
		264	}
		265
		266	=item cf::async { BLOCK }
		267
		268	Currently the same as Coro::async_pool, meaning you cannot use
		269	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		270	thing you are allowed to do is call C<prio> on it.
		271
		272	=cut
		273
		274	BEGIN { *async = \&Coro::async_pool }
249		275
250	=item cf::sync_job { BLOCK }	276	=item cf::sync_job { BLOCK }
251		277
252	The design of crossfire+ requires that the main coro ($Coro::main) is	278	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	293	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	294	# till the operation succeeds, freezing the server :/
269		295
270	# TODO: use suspend/resume instead	296	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	297	# (but this is cancel-safe)
272	local $FREEZE = 1;	298	my $freeze_guard = freeze_mainloop;
273		299
274	my $busy = 1;	300	my $busy = 1;
275	my @res;	301	my @res;
276		302
277	(Coro::async {	303	(async {
278	@res = eval { $job->() };	304	@res = eval { $job->() };
279	warn $@ if $@;	305	warn $@ if $@;
280	undef $busy;	306	undef $busy;
281	})->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
282		308
283	while ($busy) {	309	while ($busy) {
284	Coro::cede_notself;	310	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	311	}
287		312
288	wantarray ? @res : $res[0]	313	wantarray ? @res : $res[0]
289	} else {	314	} else {
290	# we are in another coroutine, how wonderful, everything just works	315	# we are in another coroutine, how wonderful, everything just works
291		316
292	$job->()	317	$job->()
293	}	318	}
294	}	319	}
295		320
296	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
297		322
298	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
300		325
301	=cut	326	=cut
302		327
303	sub coro(&) {	328	sub async_ext(&) {
304	my $cb = shift;	329	my $cb = shift;
305		330
306	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		332
313	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
315	});	335	});
316	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
346		366
347	#############################################################################	367	#############################################################################
348		368
349	package cf::path;	369	package cf::path;
350		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} = $pkg;
		381	}
		382
351	sub new {	383	sub new {
352	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
353		385
354	$path = $path->as_string if ref $path;	386	return $path if ref $path;
355		387
356	my $self = bless { }, $class;	388	my $self = {};
357		389
358	# {... are special paths that are not touched	390	# {... are special paths that are not being touched
359	# ?xxx/... are special absolute paths	391	# ?xxx/... are special absolute paths
360	# ?random/... random maps	392	# ?random/... random maps
361	# /! non-realised random map exit	393	# /! non-realised random map exit
362	# /... normal maps	394	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)	395	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user	396	# ~user/... per-player map of a specific user
365		397
		398	$path =~ s/$PATH_SEP/\//go;
		399
366	if ($path =~ /^{/) {	400	if ($path =~ /^{/) {
367	# fine as it is	401	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {	402	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
373	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
374		406
375	if (defined $1) {	407	if (defined $1) {
376	$self->{user} = $1;	408	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;	410	$self->{user} = $1;
379	} else {	411	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
382	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
383	# already absolute	422	# already absolute
384	} else {	423	} else {
		424	# relative
385	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
387	}	427	}
388		428
389	for ($path) {	429	for ($path) {
…		…
392	}	432	}
393	}	433	}
394		434
395	$self->{path} = $path;	435	$self->{path} = $path;
396		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
397	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
398	}	458	}
399		459
400	# the name / primary key / in-game path	460	# the name / primary key / in-game path
401	sub as_string {	461	sub as_string {
402	my ($self) = @_;	462	my ($self) = @_;
403		463
404	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
406	: $self->{path}	466	: $self->{path}
407	}	467	}
408		468
409	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
410	sub visible_name {	470	sub visible_name {
411	my ($self) = @_;	471	&as_string
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}	472	}
420		473
421	# escape the /'s in the path	474	# escape the /'s in the path
422	sub _escaped_path {	475	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		477
425	$path	478	$path
426	}	479	}
427		480
428	# the original (read-only) location	481	# the original (read-only) location
429	sub load_path {	482	sub load_path {
…		…
434		487
435	# the temporary/swap location	488	# the temporary/swap location
436	sub save_path {	489	sub save_path {
437	my ($self) = @_;	490	my ($self) = @_;
438		491
		492	$self->{user_rel}
439	$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
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}	495	}
443		496
444	# the unique path, might be eq to save_path	497	# the unique path, undef == no special unique path
445	sub uniq_path {	498	sub uniq_path {
446	my ($self) = @_;	499	my ($self) = @_;
447		500
448	$self->{user_rel} || $self->{random}	501	$self->{user_rel} || $self->{ext}
449	? undef	502	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}	504	}
452		505
453	# return random map parameters, or undef	506	sub customise_for {
454	sub random_map_params {
455	my ($self) = @_;	507	my ($self, $map, $ob) = @_;
456		508
457	$self->{random}	509	if ($map->per_player) {
		510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
		511	}
		512
		513	$map
458	}	514	}
459		515
460	# this is somewhat ugly, but style maps do need special treatment	516	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {	517	sub is_style_map {
462	$_[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";
463	}	539	}
464		540
465	package cf;	541	package cf;
466		542
467	#############################################################################	543	#############################################################################
…		…
917	=cut	993	=cut
918		994
919	sub register_extcmd {	995	sub register_extcmd {
920	my ($name, $cb) = @_;	996	my ($name, $cb) = @_;
921		997
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	998	$EXTCMD{$name} = $cb;
926	}	999	}
927		1000
928	cf::player->attach (	1001	cf::player->attach (
929	on_command => sub {	1002	on_command => sub {
930	my ($pl, $name, $params) = @_;	1003	my ($pl, $name, $params) = @_;
…		…
943		1016
944	my $msg = eval { from_json $buf };	1017	my $msg = eval { from_json $buf };
945		1018
946	if (ref $msg) {	1019	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1021	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	1022	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	1023	}
951	}	1024	}
952	} else {	1025	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		1028
956	cf::override;	1029	cf::override;
957	},	1030	},
958	);	1031	);
959		1032
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1033	sub load_extension {
967	my ($path) = @_;	1034	my ($path) = @_;
968		1035
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	1037	my $base = $1;
971	my $pkg = $1;	1038	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	1039	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	1040	$pkg = "ext::$pkg";
974		1041
975	warn "loading '$path' into '$pkg'\n";	1042	warn "... loading '$path' into '$pkg'\n";
976		1043
977	open my $fh, "<:utf8", $path	1044	open my $fh, "<:utf8", $path
978	or die "$path: $!";	1045	or die "$path: $!";
979		1046
980	my $source =	1047	my $source =
…		…
985		1052
986	eval $source	1053	eval $source
987	or die $@ ? "$path: $@\n"	1054	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";	1055	: "extension disabled.\n";
989		1056
990	push @exts, $pkg;	1057	push @EXTS, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }
1009
1010	# remove commands
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	1058	}
1035		1059
1036	sub load_extensions {	1060	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	1061	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	1062	next unless -r $ext;
…		…
1056	};	1080	};
1057		1081
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059		1083
1060	#############################################################################	1084	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		1085
1084	=head2 CORE EXTENSIONS	1086	=head2 CORE EXTENSIONS
1085		1087
1086	Functions and methods that extend core crossfire objects.	1088	Functions and methods that extend core crossfire objects.
1087		1089
		1090	=cut
		1091
		1092	package cf::player;
		1093
		1094	use Coro::AIO;
		1095
1088	=head3 cf::player	1096	=head3 cf::player
1089		1097
1090	=over 4	1098	=over 4
1091		1099
1092	=item cf::player::exists $login	1100	=item cf::player::find $login
1093		1101
1094	Returns true when the given account exists.	1102	Returns the given player object, loading it if necessary (might block).
1095		1103
1096	=cut	1104	=cut
1097		1105
1098	sub cf::player::exists($) {	1106	sub playerdir($) {
1099	cf::player::find $_[0]	1107	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1101	}	1252	}
1102		1253
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1254	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1255
1105	Sends an ext reply to the player.	1256	Sends an ext reply to the player.
1106		1257
1107	=cut	1258	=cut
1108		1259
1109	sub cf::player::ext_reply($$$%) {	1260	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1261	my ($self, $id, %msg) = @_;
1111		1262
1112	$msg{msgid} = $id;	1263	$msg{msgid} = $id;
1113		1264
1114	$self->send ("ext " . to_json \%msg);	1265	$self->send ("ext " . cf::to_json \%msg);
1115	}	1266	}
		1267
		1268	package cf;
1116		1269
1117	=back	1270	=back
1118		1271
1119		1272
1120	=head3 cf::map	1273	=head3 cf::map
…		…
1126	package cf::map;	1279	package cf::map;
1127		1280
1128	use Fcntl;	1281	use Fcntl;
1129	use Coro::AIO;	1282	use Coro::AIO;
1130		1283
1131	our $MAX_RESET = 7200;	1284	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1285	our $DEFAULT_RESET = 3000;
1133		1286
1134	sub generate_random_map {	1287	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1288	my ($path, $rmp) = @_;
1136		1289
1137	# mit "rum" bekleckern, nicht	1290	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1291	cf::map::_create_random_map (
1139	$path,	1292	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1296	$rmp->{exit_on_final_map},
…		…
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1303	(cf::region::find $rmp->{region}), $rmp->{custom}
		1304	)
1151	}	1305	}
1152		1306
1153	# and all this just because we cannot iterate over	1307	# and all this just because we cannot iterate over
1154	# all maps in C++...	1308	# all maps in C++...
1155	sub change_all_map_light {	1309	sub change_all_map_light {
…		…
1157		1311
1158	$_->change_map_light ($change)	1312	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1313	for grep $_->outdoor, values %cf::MAP;
1160	}	1314	}
1161		1315
1162	sub try_load_header($) {	1316	sub load_map_header($) {
1163	my ($path) = @_;	1317	my ($path) = @_;
1164		1318
1165	utf8::encode $path;	1319	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1320	aio_open $path, O_RDONLY, 0
1167	or return;	1321	or return;
1168		1322
1169	my $map = cf::map::new	1323	my $map = cf::map::new
1170	or return;	1324	or return;
1171		1325
		1326	# for better error messages only, will be overwritten later
		1327	$map->path ($path);
		1328
1172	$map->load_header ($path)	1329	$map->load_header ($path)
1173	or return;	1330	or return;
1174		1331
1175	$map->{load_path} = $path;	1332	$map->{load_path} = $path;
1176		1333
1177	$map	1334	$map
1178	}	1335	}
1179		1336
		1337	sub find;
1180	sub find_map {	1338	sub find {
1181	my ($path, $origin) = @_;	1339	my ($path, $origin) = @_;
1182		1340
1183	#warn "find_map<$path,$origin>\n";#d#	1341	#warn "find<$path,$origin>\n";#d#
1184		1342
1185	$path = new cf::path $path, $origin && $origin->path;	1343	$path = new cf::path $path, $origin && $origin->path;
1186	my $key = $path->as_string;	1344	my $key = $path->as_string;
1187		1345
1188	cf::lock_wait "map_find:$key";	1346	cf::lock_wait "map_find:$key";
1189		1347
1190	$cf::MAP{$key} || do {	1348	$cf::MAP{$key} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1349	my $guard = cf::lock_acquire "map_find:$key";
1192		1350
1193	# do it the slow way	1351	# do it the slow way
1194	my $map = try_load_header $path->save_path;	1352	my $map = $path->load_temp;
		1353
		1354	Coro::cede;
1195		1355
1196	if ($map) {	1356	if ($map) {
		1357	$map->last_access ((delete $map->{last_access})
		1358	|| $cf::RUNTIME); #d#
1197	# safety	1359	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME	1360	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;	1361	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {	1362	} else {
1201	if (my $rmp = $path->random_map_params) {	1363	$map = $path->load_orig
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1364	or return;
1208		1365
1209	$map->{load_original} = 1;	1366	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;	1367	$map->{instantiate_time} = $cf::RUNTIME;
		1368	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;	1369	$map->instantiate;
1212		1370
1213	# per-player maps become, after loading, normal maps	1371	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};	1372	$map->per_player (0) if $path->{user_rel};
1215	}	1373	}
1216		1374
1217	$map->path ($key);	1375	$map->path ($key);
1218	$map->{path} = $path;	1376	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1377	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1378
		1379	Coro::cede;
1221		1380
1222	if ($map->should_reset) {	1381	if ($map->should_reset) {
1223	$map->reset;	1382	$map->reset;
1224	undef $guard;	1383	undef $guard;
1225	$map = cf::map::find_map ($path)	1384	$map = find $path
1226	or return;	1385	or return;
1227	}	1386	}
1228		1387
1229	$cf::MAP{$key} = $map	1388	$cf::MAP{$key} = $map
1230	}	1389	}
…		…
1253	$self->clear_unique_items;	1412	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1413	$self->load_objects ($uniq, 0);
1255	}	1414	}
1256	}	1415	}
1257		1416
		1417	Coro::cede;
		1418
1258	# now do the right thing for maps	1419	# now do the right thing for maps
1259	$self->link_multipart_objects;	1420	$self->link_multipart_objects;
1260		1421
1261	if ($self->{path}->is_style_map) {	1422	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;	1423	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;	1424	$self->{deny_reset} = 1;
1264	} else {	1425	} else {
		1426	$self->decay_objects;
1265	$self->fix_auto_apply;	1427	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1428	$self->update_buttons;
1268	$self->set_darkness_map;	1429	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1430	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1431	unless $self->difficulty;
1271	$self->activate;	1432	$self->activate;
1272	}	1433	}
1273		1434
		1435	Coro::cede;
		1436
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1437	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1438	}
1276		1439
1277	sub load_map_sync {	1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($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	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1278	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1279		1466
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1281		1469
1282	cf::sync_job {	1470	sub do_load_sync {
1283	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
1284	or return;	1481	or next;
		1482	my $path = delete $MAP_PREFETCH{$key};
		1483
		1484	my $map = find $path
		1485	or next;
1285	$map->load;	1486	$map->load;
1286	$map	1487	}
		1488	Coro::schedule;
1287	}	1489	}
		1490	};
		1491
		1492	sub find_async {
		1493	my ($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	$MAP_PREFETCHER->ready;
		1504
		1505	()
1288	}	1506	}
1289		1507
1290	sub save {	1508	sub save {
1291	my ($self) = @_;	1509	my ($self) = @_;
1292		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1512
1293	$self->{last_save} = $cf::RUNTIME;	1513	$self->{last_save} = $cf::RUNTIME;
1294		1514
1295	return unless $self->dirty;	1515	return unless $self->dirty;
1296		1516
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1517	my $save = $self->{path}->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1299		1519
1300	$self->{load_path} = $save;	1520	$self->{load_path} = $save;
1301		1521
1302	return if $self->{deny_save};	1522	return if $self->{deny_save};
		1523
		1524	local $self->{last_access} = $self->last_access;#d#
		1525
		1526	cf::async {
		1527	$_->contr->save for $self->players;
		1528	};
1303		1529
1304	if ($uniq) {	1530	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1533	} else {
…		…
1310	}	1536	}
1311		1537
1312	sub swap_out {	1538	sub swap_out {
1313	my ($self) = @_;	1539	my ($self) = @_;
1314		1540
		1541	# save first because save cedes
		1542	$self->save;
		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1315	return if $self->players;	1546	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1548	return if $self->{deny_save};
1318		1549
1319	$self->save;
1320	$self->clear;	1550	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1551	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1552	}
1323		1553
1324	sub reset_at {	1554	sub reset_at {
…		…
1338	my ($self) = @_;	1568	my ($self) = @_;
1339		1569
1340	$self->reset_at <= $cf::RUNTIME	1570	$self->reset_at <= $cf::RUNTIME
1341	}	1571	}
1342		1572
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {	1573	sub rename {
1352	my ($self, $new_path) = @_;	1574	my ($self, $new_path) = @_;
1353		1575
1354	$self->unlink_save;	1576	$self->{path}->unlink_save;
1355		1577
1356	delete $cf::MAP{$self->path};	1578	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;	1579	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);	1580	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;	1581	$cf::MAP{$self->path} = $self;
…		…
1362	}	1584	}
1363		1585
1364	sub reset {	1586	sub reset {
1365	my ($self) = @_;	1587	my ($self) = @_;
1366		1588
		1589	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1590
1367	return if $self->players;	1591	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1592	return if $self->{path}{user_rel};#d#
1369		1593
1370	warn "resetting map ", $self->path;#d#	1594	warn "resetting map ", $self->path;#d#
1371		1595
1372	delete $cf::MAP{$self->path};	1596	delete $cf::MAP{$self->path};
1373		1597
1374	$_->clear_links_to ($self) for values %cf::MAP;	1598	$_->clear_links_to ($self) for values %cf::MAP;
1375		1599
1376	$self->unlink_save;	1600	$self->{path}->unlink_save;
1377	$self->destroy;	1601	$self->destroy;
1378	}	1602	}
1379		1603
1380	my $nuke_counter = "aaaa";	1604	my $nuke_counter = "aaaa";
1381		1605
…		…
1386	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->rename ("{nuke}/" . ($nuke_counter++));
1388	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1389	}	1613	}
1390		1614
1391	sub customise_for {	1615	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1616
1394	if ($map->per_player) {	1617	Returns an arrayref of cf::path's of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1396	}
1397		1619
1398	$map	1620	=cut
1399	}
1400		1621
1401	sub emergency_save {	1622	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1403		1625
1404	warn "enter emergency map save\n";	1626	my @paths;
1405		1627
1406	cf::sync_job {	1628	for (@$files) {
1407	warn "begin emergency map save\n";	1629	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	push @paths, new cf::path $_;
1409	};	1634	}
1410		1635
1411	warn "end emergency map save\n";	1636	\@paths
1412	}	1637	}
1413		1638
1414	package cf;	1639	package cf;
1415		1640
1416	=back	1641	=back
1417		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
1418		1669
1419	=head3 cf::object::player	1670	=head3 cf::object::player
1420		1671
1421	=over 4	1672	=over 4
1422		1673
…		…
1497	my $link_pos = delete $self->{_link_pos};	1748	my $link_pos = delete $self->{_link_pos};
1498		1749
1499	unless ($map) {	1750	unless ($map) {
1500	# restore original map position	1751	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1752	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1753	$map = cf::map::find $map;
1503		1754
1504	unless ($map) {	1755	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1756	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1757	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1758	or die "FATAL: cannot load emergency map\n";
1508	}	1759	}
1509	}	1760	}
1510		1761
1511	($x, $y) = (-1, -1)	1762	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1765	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1766	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1767	if $x <=0 && $y <= 0;
1517		1768
1518	$map->load;	1769	$map->load;
		1770	$map->load_diag;
1519		1771
		1772	return unless $self->contr->active;
1520	$self->activate_recursive;	1773	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);	1774	$self->enter_map ($map, $x, $y);
1522	}	1775	}
1523		1776
1524	cf::player->attach (	1777	cf::player->attach (
…		…
1537		1790
1538	# try to abort aborted map switching on player login :)	1791	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1792	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1793	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1794	$pl->ob->enter_link;
1542	Coro::async {	1795	(async {
1543	# we need this sleep as the login has a concurrent enter_exit running	1796	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn	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);
1545	Coro::Timer::sleep 1;	1802	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1803	$pl->ob->leave_link;
1547	};	1804	})->prio (2);
1548	}	1805	}
1549	},	1806	},
1550	);	1807	);
1551		1808
1552	=item $player_object->goto_map ($path, $x, $y)	1809	=item $player_object->goto ($path, $x, $y)
1553		1810
1554	=cut	1811	=cut
1555		1812
1556	sub cf::object::player::goto_map {	1813	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1814	my ($self, $path, $x, $y) = @_;
1558		1815
		1816	$path = new cf::path $path;
		1817
1559	$self->enter_link;	1818	$self->enter_link;
1560		1819
1561	(Coro::async {	1820	(async {
1562	$path = new cf::path $path;
1563
1564	my $map = cf::map::find_map $path->as_string;	1821	my $map = cf::map::find $path->as_string;
1565	$map = $map->customise_for ($self) if $map;	1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1566		1823
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1568	# if $map;	1825	# if $map;
1569		1826
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1571		1828
1572	$self->leave_link ($map, $x, $y);	1829	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1830	})->prio (1);
1574	}	1831	}
1575		1832
…		…
1628		1885
1629	return unless $self->type == cf::PLAYER;	1886	return unless $self->type == cf::PLAYER;
1630		1887
1631	$self->enter_link;	1888	$self->enter_link;
1632		1889
1633	(Coro::async {	1890	(async {
		1891	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1892	unless (eval {
1635
1636	prepare_random_map $exit	1893	prepare_random_map $exit
1637	if $exit->slaying eq "/!";	1894	if $exit->slaying eq "/!";
1638		1895
1639	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;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1641		1898
1642	1;	1899	1;
1643	}) {	1900	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1901	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	1903	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1904	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1905
1649	warn "ERROR in enter_exit: $@";	1906	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1907	$self->leave_link;
1651	}	1908	}
…		…
1702	on_reply => sub {	1959	on_reply => sub {
1703	my ($ns, $msg) = @_;	1960	my ($ns, $msg) = @_;
1704		1961
1705	# this weird shuffling is so that direct followup queries	1962	# this weird shuffling is so that direct followup queries
1706	# get handled first	1963	# get handled first
1707	my $queue = delete $ns->{query_queue};	1964	my $queue = delete $ns->{query_queue}
		1965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		1966
1709	(shift @$queue)->[1]->($msg);	1967	(shift @$queue)->[1]->($msg);
1710		1968
1711	push @{ $ns->{query_queue} }, @$queue;	1969	push @{ $ns->{query_queue} }, @$queue;
1712		1970
…		…
1718	}	1976	}
1719	}	1977	}
1720	},	1978	},
1721	);	1979	);
1722		1980
1723	=item $client->coro (\&cb)	1981	=item $client->async (\&cb)
1724		1982
1725	Create a new coroutine, running the specified callback. The coroutine will	1983	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	1984	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	1985	or loss of connection).
1728		1986
1729	=cut	1987	=cut
1730		1988
1731	sub cf::client::coro {	1989	sub cf::client::async {
1732	my ($self, $cb) = @_;	1990	my ($self, $cb) = @_;
1733		1991
1734	my $coro; $coro = async {	1992	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		1993
1741	$coro->on_destroy (sub {	1994	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	1995	delete $self->{_coro}{$coro+0};
1743	});	1996	});
1744		1997
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2232	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2233	or return;
1981		2234
1982	local $/;	2235	local $/;
1983	*CFG = YAML::Syck::Load <$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	}
1984	}	2250	}
1985		2251
1986	sub main {	2252	sub main {
1987	# we must not ever block the main coroutine	2253	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2254	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {
1991	Event::one_event;	2256	async { Event::one_event };
1992	})->();
1993	};	2257	};
1994		2258
1995	cfg_load;	2259	cfg_load;
1996	db_load;	2260	db_load;
1997	load_extensions;	2261	load_extensions;
1998	Event::loop;	2262	Event::loop;
1999	}	2263	}
2000		2264
2001	#############################################################################	2265	#############################################################################
2002	# initialisation	2266	# initialisation and cleanup
		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	$map->save;
		2303	}
		2304	warn "end emergency map save\n";
		2305	};
		2306
		2307	warn "leave emergency perl save\n";
		2308	}
2003		2309
2004	sub reload() {	2310	sub reload() {
2005	# can/must only be called in main	2311	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2312	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2313	warn "can only reload from main coroutine\n";
2008	return;	2314	return;
2009	}	2315	}
2010		2316
2011	warn "reloading...";	2317	warn "reloading...";
2012		2318
2013	local $FREEZE = 1;	2319	warn "freezing server";
		2320	my $guard = freeze_mainloop;
2014	cf::emergency_save;	2321	cf::emergency_save;
		2322
		2323	warn "sync database to disk";
		2324	cf::db_sync;
		2325	IO::AIO::flush;
2015		2326
2016	eval {	2327	eval {
2017	# 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
2018		2329
2019	# cancel all watchers	2330	warn "cancel all watchers";
2020	for (Event::all_watchers) {	2331	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2332	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2333	}
2023		2334
2024	# cancel all extension coros	2335	warn "cancel all extension coros";
2025	$_->cancel for values %EXT_CORO;	2336	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2337	%EXT_CORO = ();
2027		2338
		2339	warn "remove commands";
		2340	%COMMAND = ();
		2341
		2342	warn "remove ext commands";
		2343	%EXTCMD = ();
		2344
2028	# unload all extensions	2345	warn "unload/nuke all extensions";
2029	for (@exts) {	2346	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2347	warn "... unloading $pkg";
2031	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: $@";
2032	}	2354	}
2033		2355
		2356	warn "... nuking $pkg";
		2357	Symbol::delete_package $pkg;
		2358	}
		2359
2034	# unload all modules loaded from $LIBDIR	2360	warn "unload all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2361	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2363
2038	warn "removing <$k>";	2364	warn "removing <$k>";
2039	delete $INC{$k};	2365	delete $INC{$k};
…		…
2046	}	2372	}
2047		2373
2048	Symbol::delete_package $k;	2374	Symbol::delete_package $k;
2049	}	2375	}
2050		2376
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2377	warn "get rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2378	Symbol::delete_package "safe::$_"
2057	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);
2058		2380
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2381	warn "unload cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2382	delete $INC{"cf.pm"};
2064		2383
2065	# don't, removes xs symbols, too,	2384	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2385	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2386	#Symbol::delete_package __PACKAGE__;
2068		2387
2069	# reload cf.pm
2070	warn "reloading cf.pm";	2388	warn "reloading cf.pm";
2071	require cf;	2389	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2391
2074	# load config and database again	2392	warn "load config and database again";
2075	cf::cfg_load;	2393	cf::cfg_load;
2076	cf::db_load;	2394	cf::db_load;
2077		2395
2078	# load extensions
2079	warn "load extensions";	2396	warn "load extensions";
2080	cf::load_extensions;	2397	cf::load_extensions;
2081		2398
2082	# reattach attachments to objects	2399	warn "reattach attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2400	_global_reattach;
		2401	warn "reattach attachments to maps";
		2402	reattach $_ for values %MAP;
2085	};	2403	};
2086		2404
2087	if ($@) {	2405	if ($@) {
2088	warn $@;	2406	warn $@;
2089	warn "error while reloading, exiting.";	2407	warn "error while reloading, exiting.";
2090	exit 1;	2408	exit 1;
2091	}	2409	}
2092		2410
2093	warn "reloaded successfully";	2411	warn "reloaded";
2094	};	2412	};
2095		2413
2096	#############################################################################	2414	#############################################################################
2097		2415
2098	unless ($LINK_MAP) {	2416	unless ($LINK_MAP) {
…		…
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107		2425
2108	# dirty hack because... archetypes are not yet loaded	2426	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (	2427	Event->timer (
2110	after => 2,	2428	after => 10,
2111	cb => sub {	2429	cb => sub {
2112	$_[0]->w->cancel;	2430	$_[0]->w->cancel;
2113		2431
2114	# provide some exits "home"	2432	# provide some exits "home"
2115	my $exit = cf::object::new "exit";	2433	my $exit = cf::object::new "exit";
…		…
2134	$LINK_MAP->{deny_reset} = 1;	2452	$LINK_MAP->{deny_reset} = 1;
2135		2453
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	2455	}
2138		2456
2139	register "<global>", __PACKAGE__;
2140
2141	register_command "reload" => sub {	2457	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2143		2459
2144	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2461	$who->message ("start of reload.");
…		…
2154	reentrant => 0,	2470	reentrant => 0,
2155	prio => 0,	2471	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2472	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
2158	cb => sub {	2474	cb => sub {
2159	unless ($FREEZE) {	2475	$NOW = Event::time;
		2476
2160	cf::server_tick; # one server iteration	2477	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2478	$RUNTIME += $TICK;
2162	}
2163
2164	$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;
2165		2483
2166	# 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
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2486
2169	$TICK_WATCHER->at ($NEXT_TICK);	2487	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2191	or warn "ERROR: unable to write runtime file: $!";	2509	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	2510	})->();
2193	},	2511	},
2194	);	2512	);
2195		2513
		2514	END { cf::emergency_save }
		2515
2196	1	2516	1
2197		2517

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