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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.161 by root, Thu Jan 11 00:16:58 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;
345	$path	477	$path
346	}	478	}
347		479
348	# the original (read-only) location	480	# the original (read-only) location
349	sub load_path {	481	sub load_path {
…		…
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}	492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}	494	}
363		495
364	# the unique path, might be eq to save_path	496	# the unique path, undef == no special unique path
365	sub uniq_path {	497	sub uniq_path {
366	my ($self) = @_;	498	my ($self) = @_;
367		499
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	500	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	}	501	}
379		502
380	# this is somewhat ugly, but style maps do need special treatment	503	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {	504	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}	505	$_[0]{path} =~ m{^/styles/}
		506	}
		507
		508	sub load_orig {
		509	my ($self) = @_;
		510
		511	&cf::map::load_map_header ($self->load_path)
		512	}
		513
		514	sub load_temp {
		515	my ($self) = @_;
		516
		517	&cf::map::load_map_header ($self->save_path)
383	}	518	}
384		519
385	package cf;	520	package cf;
386		521
387	#############################################################################	522	#############################################################################
…		…
798	or return;	933	or return;
799		934
800	unless (aio_stat "$filename.pst") {	935	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	936	(aio_load "$filename.pst", $av) >= 0
802	or return;	937	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	938	$av = eval { (Storable::thaw $av)->{objs} };
804	}	939	}
805		940
		941	warn sprintf "loading %s (%d)\n",
		942	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	943	return ($data, $av);
807	}	944	}
808		945
809	#############################################################################	946	#############################################################################
810	# command handling &c	947	# command handling &c
…		…
835	=cut	972	=cut
836		973
837	sub register_extcmd {	974	sub register_extcmd {
838	my ($name, $cb) = @_;	975	my ($name, $cb) = @_;
839		976
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	977	$EXTCMD{$name} = $cb;
844	}	978	}
845		979
846	cf::player->attach (	980	cf::player->attach (
847	on_command => sub {	981	on_command => sub {
848	my ($pl, $name, $params) = @_;	982	my ($pl, $name, $params) = @_;
…		…
861		995
862	my $msg = eval { from_json $buf };	996	my $msg = eval { from_json $buf };
863		997
864	if (ref $msg) {	998	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1000	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	1001	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	1002	}
869	}	1003	}
870	} else {	1004	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		1007
874	cf::override;	1008	cf::override;
875	},	1009	},
876	);	1010	);
877		1011
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	1012	sub load_extension {
885	my ($path) = @_;	1013	my ($path) = @_;
886		1014
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	1016	my $base = $1;
889	my $pkg = $1;	1017	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	1018	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	1019	$pkg = "ext::$pkg";
892		1020
893	warn "loading '$path' into '$pkg'\n";	1021	warn "... loading '$path' into '$pkg'\n";
894		1022
895	open my $fh, "<:utf8", $path	1023	open my $fh, "<:utf8", $path
896	or die "$path: $!";	1024	or die "$path: $!";
897		1025
898	my $source =	1026	my $source =
…		…
903		1031
904	eval $source	1032	eval $source
905	or die $@ ? "$path: $@\n"	1033	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";	1034	: "extension disabled.\n";
907		1035
908	push @exts, $pkg;	1036	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	}	1037	}
953		1038
954	sub load_extensions {	1039	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	1040	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	1041	next unless -r $ext;
…		…
974	};	1059	};
975		1060
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977		1062
978	#############################################################################	1063	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->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		1064
1002	=head2 CORE EXTENSIONS	1065	=head2 CORE EXTENSIONS
1003		1066
1004	Functions and methods that extend core crossfire objects.	1067	Functions and methods that extend core crossfire objects.
1005		1068
		1069	=cut
		1070
		1071	package cf::player;
		1072
		1073	use Coro::AIO;
		1074
1006	=head3 cf::player	1075	=head3 cf::player
1007		1076
1008	=over 4	1077	=over 4
1009		1078
1010	=item cf::player::exists $login	1079	=item cf::player::find $login
1011		1080
1012	Returns true when the given account exists.	1081	Returns the given player object, loading it if necessary (might block).
1013		1082
1014	=cut	1083	=cut
1015		1084
1016	sub cf::player::exists($) {	1085	sub playerdir($) {
1017	cf::player::find $_[0]	1086	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1087	. "/"
		1088	. cf::playerdir
		1089	. "/"
		1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1091	}
		1092
		1093	sub path($) {
		1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1095
		1096	(playerdir $login) . "/$login.pl"
		1097	}
		1098
		1099	sub find_active($) {
		1100	$cf::PLAYER{$_[0]}
		1101	and $cf::PLAYER{$_[0]}->active
		1102	and $cf::PLAYER{$_[0]}
		1103	}
		1104
		1105	sub exists($) {
		1106	my ($login) = @_;
		1107
		1108	$cf::PLAYER{$login}
		1109	or cf::sync_job { !aio_stat $login }
		1110	}
		1111
		1112	sub find($) {
		1113	return $cf::PLAYER{$_[0]} || do {
		1114	my $login = $_[0];
		1115
		1116	my $guard = cf::lock_acquire "user_find:$login";
		1117
		1118	$cf::PLAYER{$_[0]} || do {
		1119	my $pl = load_pl path $login
		1120	or return;
		1121	$cf::PLAYER{$login} = $pl
		1122	}
		1123	}
		1124	}
		1125
		1126	sub save($) {
		1127	my ($pl) = @_;
		1128
		1129	return if $pl->{deny_save};
		1130
		1131	my $path = path $pl;
		1132	my $guard = cf::lock_acquire "user_save:$path";
		1133
		1134	return if $pl->{deny_save};
		1135
		1136	aio_mkdir playerdir $pl, 0770;
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	$pl->save_pl ($path);
		1140	Coro::cede;
		1141	}
		1142
		1143	sub new($) {
		1144	my ($login) = @_;
		1145
		1146	my $self = create;
		1147
		1148	$self->ob->name ($login);
		1149	$self->{deny_save} = 1;
		1150
		1151	$cf::PLAYER{$login} = $self;
		1152
		1153	$self
		1154	}
		1155
		1156	=item $pl->quit_character
		1157
		1158	Nukes the player without looking back. If logged in, the connection will
		1159	be destroyed. May block for a long time.
		1160
		1161	=cut
		1162
		1163	sub quit_character {
		1164	my ($pl) = @_;
		1165
		1166	$pl->{deny_save} = 1;
		1167	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1168
		1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1170	$pl->deactivate;
		1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1172	$pl->ns->destroy if $pl->ns;
		1173
		1174	my $path = playerdir $pl;
		1175	my $temp = "$path~$cf::RUNTIME~deleting~";
		1176	aio_rename $path, $temp;
		1177	delete $cf::PLAYER{$pl->ob->name};
		1178	$pl->destroy;
		1179	IO::AIO::aio_rmtree $temp;
		1180	}
		1181
		1182	=item cf::player::list_logins
		1183
		1184	Returns am arrayref of all valid playernames in the system, can take a
		1185	while and may block, so not sync_job-capable, ever.
		1186
		1187	=cut
		1188
		1189	sub list_logins {
		1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1191	or return [];
		1192
		1193	my @logins;
		1194
		1195	for my $login (@$dirs) {
		1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1197	aio_read $fh, 0, 512, my $buf, 0 or next;
		1198	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1199
		1200	utf8::decode $login;
		1201	push @logins, $login;
		1202	}
		1203
		1204	\@logins
		1205	}
		1206
		1207	=item $player->maps
		1208
		1209	Returns an arrayref of cf::path's of all maps that are private for this
		1210	player. May block.
		1211
		1212	=cut
		1213
		1214	sub maps($) {
		1215	my ($pl) = @_;
		1216
		1217	my $files = aio_readdir playerdir $pl
		1218	or return;
		1219
		1220	my @paths;
		1221
		1222	for (@$files) {
		1223	utf8::decode $_;
		1224	next if /\.(?:pl|pst)$/;
		1225	next unless /^$PATH_SEP/o;
		1226
		1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1228	}
		1229
		1230	\@paths
1019	}	1231	}
1020		1232
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1233	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1234
1023	Sends an ext reply to the player.	1235	Sends an ext reply to the player.
1024		1236
1025	=cut	1237	=cut
1026		1238
1027	sub cf::player::ext_reply($$$%) {	1239	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1240	my ($self, $id, %msg) = @_;
1029		1241
1030	$msg{msgid} = $id;	1242	$msg{msgid} = $id;
1031		1243
1032	$self->send ("ext " . to_json \%msg);	1244	$self->send ("ext " . cf::to_json \%msg);
1033	}	1245	}
		1246
		1247	package cf;
1034		1248
1035	=back	1249	=back
1036		1250
1037		1251
1038	=head3 cf::map	1252	=head3 cf::map
…		…
1044	package cf::map;	1258	package cf::map;
1045		1259
1046	use Fcntl;	1260	use Fcntl;
1047	use Coro::AIO;	1261	use Coro::AIO;
1048		1262
1049	our $MAX_RESET = 7200;	1263	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1264	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1265
1054	sub generate_random_map {	1266	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1267	my ($path, $rmp) = @_;
1056		1268
1057	# mit "rum" bekleckern, nicht	1269	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1285	# and all this just because we cannot iterate over
1074	# all maps in C++...	1286	# all maps in C++...
1075	sub change_all_map_light {	1287	sub change_all_map_light {
1076	my ($change) = @_;	1288	my ($change) = @_;
1077		1289
1078	$_->change_map_light ($change) for values %cf::MAP;	1290	$_->change_map_light ($change)
		1291	for grep $_->outdoor, values %cf::MAP;
1079	}	1292	}
1080		1293
1081	sub try_load_header($) {	1294	sub load_map_header($) {
1082	my ($path) = @_;	1295	my ($path) = @_;
1083		1296
1084	utf8::encode $path;	1297	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1298	aio_open $path, O_RDONLY, 0
1086	or return;	1299	or return;
1087		1300
1088	my $map = cf::map::new	1301	my $map = cf::map::new
1089	or return;	1302	or return;
1090		1303
		1304	# for better error messages only, will be overwritten later
		1305	$map->path ($path);
		1306
1091	$map->load_header ($path)	1307	$map->load_header ($path)
1092	or return;	1308	or return;
1093		1309
1094	$map->{load_path} = $path;	1310	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1311
1097	$map	1312	$map
1098	}	1313	}
1099		1314
		1315	sub find;
1100	sub find_map {	1316	sub find {
1101	my ($path, $origin) = @_;	1317	my ($path, $origin) = @_;
1102		1318
1103	#warn "find_map<$path,$origin>\n";#d#	1319	#warn "find<$path,$origin>\n";#d#
1104		1320
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1321	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1322	my $key = $path->as_string;
1107		1323
		1324	cf::lock_wait "map_find:$key";
		1325
1108	$cf::MAP{$key} || do {	1326	$cf::MAP{$key} || do {
		1327	my $guard = cf::lock_acquire "map_find:$key";
		1328
1109	# do it the slow way	1329	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1330	my $map = $path->load_temp;
		1331
		1332	Coro::cede;
1111		1333
1112	if ($map) {	1334	if ($map) {
		1335	$map->last_access ((delete $map->{last_access})
		1336	|| $cf::RUNTIME); #d#
1113	# safety	1337	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1338	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1339	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1340	} else {
1117	if (my $rmp = $path->random_map_params) {	1341	$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;	1342	or return;
1124		1343
1125	$map->{load_original} = 1;	1344	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;	1345	$map->{instantiate_time} = $cf::RUNTIME;
		1346	$map->last_access ($cf::RUNTIME);
1127	$map->instantiate;	1347	$map->instantiate;
1128		1348
1129	# per-player maps become, after loading, normal maps	1349	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};	1350	$map->per_player (0) if $path->{user_rel};
1131	}	1351	}
1132		1352
1133	$map->path ($key);	1353	$map->path ($key);
1134	$map->{path} = $path;	1354	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1355	$map->{last_save} = $cf::RUNTIME;
1136		1356
		1357	Coro::cede;
		1358
1137	$map->reset if $map->should_reset;	1359	if ($map->should_reset) {
		1360	$map->reset;
		1361	undef $guard;
		1362	$map = find $path
		1363	or return;
		1364	}
1138		1365
1139	$cf::MAP{$key} = $map	1366	$cf::MAP{$key} = $map
1140	}	1367	}
1141	}	1368	}
1142		1369
1143	sub load {	1370	sub load {
1144	my ($self) = @_;	1371	my ($self) = @_;
1145		1372
		1373	my $path = $self->{path};
		1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1375
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1376	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1377
1148	$self->in_memory (cf::MAP_LOADING);	1378	$self->in_memory (cf::MAP_LOADING);
1149
1150	my $path = $self->{path};
1151		1379
1152	$self->alloc;	1380	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1381	$self->load_objects ($self->{load_path}, 1)
1154	or return;	1382	or return;
1155		1383
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1385	if delete $self->{load_original};
1157		1386
1158	if (my $uniq = $path->uniq_path) {	1387	if (my $uniq = $path->uniq_path) {
1159	utf8::encode $uniq;	1388	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1389	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1390	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1391	$self->load_objects ($uniq, 0);
1163	}	1392	}
1164	}	1393	}
		1394
		1395	Coro::cede;
1165		1396
1166	# now do the right thing for maps	1397	# now do the right thing for maps
1167	$self->link_multipart_objects;	1398	$self->link_multipart_objects;
1168		1399
1169	if ($self->{path}->is_style_map) {	1400	if ($self->{path}->is_style_map) {
…		…
1177	$self->difficulty ($self->estimate_difficulty)	1408	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1409	unless $self->difficulty;
1179	$self->activate;	1410	$self->activate;
1180	}	1411	}
1181		1412
		1413	Coro::cede;
		1414
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1415	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1416	}
1184		1417
1185	sub load_map_sync {	1418	# find and load all maps in the 3x3 area around a map
		1419	sub load_diag {
		1420	my ($map) = @_;
		1421
		1422	my @diag; # diagonal neighbours
		1423
		1424	for (0 .. 3) {
		1425	my $neigh = $map->tile_path ($_)
		1426	or next;
		1427	$neigh = find $neigh, $map
		1428	or next;
		1429	$neigh->load;
		1430
		1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1433	}
		1434
		1435	for (@diag) {
		1436	my $neigh = find @$_
		1437	or next;
		1438	$neigh->load;
		1439	}
		1440	}
		1441
		1442	sub find_sync {
1186	my ($path, $origin) = @_;	1443	my ($path, $origin) = @_;
1187		1444
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1445	cf::sync_job { find $path, $origin }
		1446	}
1189		1447
1190	cf::sync_job {	1448	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1449	my ($map) = @_;
		1450
		1451	cf::sync_job { $map->load };
		1452	}
		1453
		1454	our %MAP_PREFETCH;
		1455	our $MAP_PREFETCHER = Coro::async {
		1456	while () {
		1457	while (%MAP_PREFETCH) {
		1458	my $key = each %MAP_PREFETCH
1192	or return;	1459	or next;
		1460	my $path = delete $MAP_PREFETCH{$key};
		1461
		1462	my $map = find $path
		1463	or next;
1193	$map->load;	1464	$map->load;
1194	$map	1465	}
		1466	Coro::schedule;
1195	}	1467	}
		1468	};
		1469
		1470	sub find_async {
		1471	my ($path, $origin) = @_;
		1472
		1473	$path = new cf::path $path, $origin && $origin->path;
		1474	my $key = $path->as_string;
		1475
		1476	if (my $map = $cf::MAP{$key}) {
		1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1478	}
		1479
		1480	$MAP_PREFETCH{$key} = $path;
		1481	$MAP_PREFETCHER->ready;
		1482
		1483	()
1196	}	1484	}
1197		1485
1198	sub save {	1486	sub save {
1199	my ($self) = @_;	1487	my ($self) = @_;
1200		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
		1491	$self->{last_save} = $cf::RUNTIME;
		1492
		1493	return unless $self->dirty;
		1494
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->{path}->save_path; utf8::encode $save;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1497
1204	$self->{last_save} = $cf::RUNTIME;
1205
1206	return unless $self->dirty;
1207
1208	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1209		1499
1210	return if $self->{deny_save};	1500	return if $self->{deny_save};
1211		1501
1212	warn "saving map ", $self->path;	1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
1213		1507
1214	if ($uniq) {	1508	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1511	} else {
…		…
1220	}	1514	}
1221		1515
1222	sub swap_out {	1516	sub swap_out {
1223	my ($self) = @_;	1517	my ($self) = @_;
1224		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1523
1225	return if $self->players;	1524	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1526	return if $self->{deny_save};
1228		1527
1229	$self->save;
1230	$self->clear;	1528	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1530	}
1233		1531
		1532	sub reset_at {
		1533	my ($self) = @_;
		1534
		1535	# TODO: safety, remove and allow resettable per-player maps
		1536	return 1e99 if $self->{path}{user_rel};
		1537	return 1e99 if $self->{deny_reset};
		1538
		1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1541
		1542	$time + $to
		1543	}
		1544
1234	sub should_reset {	1545	sub should_reset {
1235	my ($map) = @_;	1546	my ($self) = @_;
1236		1547
1237	# TODO: safety, remove and allow resettable per-player maps	1548	$self->reset_at <= $cf::RUNTIME
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}	1549	}
1248		1550
1249	sub unlink_save {	1551	sub unlink_save {
1250	my ($self) = @_;	1552	my ($self) = @_;
1251		1553
1252	utf8::encode (my $save = $self->{path}->save_path);	1554	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1557	}
1256		1558
		1559	sub rename {
		1560	my ($self, $new_path) = @_;
		1561
		1562	$self->unlink_save;
		1563
		1564	delete $cf::MAP{$self->path};
		1565	$self->{path} = new cf::path $new_path;
		1566	$self->path ($self->{path}->as_string);
		1567	$cf::MAP{$self->path} = $self;
		1568
		1569	$self->save;
		1570	}
		1571
1257	sub reset {	1572	sub reset {
1258	my ($self) = @_;	1573	my ($self) = @_;
1259		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1576
1260	return if $self->players;	1577	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1578	return if $self->{path}{user_rel};#d#
1262		1579
1263	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1264		1581
…		…
1268		1585
1269	$self->unlink_save;	1586	$self->unlink_save;
1270	$self->destroy;	1587	$self->destroy;
1271	}	1588	}
1272		1589
		1590	my $nuke_counter = "aaaa";
		1591
		1592	sub nuke {
		1593	my ($self) = @_;
		1594
		1595	$self->{deny_save} = 1;
		1596	$self->reset_timeout (1);
		1597	$self->rename ("{nuke}/" . ($nuke_counter++));
		1598	$self->reset; # polite request, might not happen
		1599	}
		1600
1273	sub customise_for {	1601	sub customise_for {
1274	my ($map, $ob) = @_;	1602	my ($map, $ob) = @_;
1275		1603
1276	if ($map->per_player) {	1604	if ($map->per_player) {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278	}	1606	}
1279		1607
1280	$map	1608	$map
1281	}	1609	}
1282		1610
1283	sub emergency_save {	1611	=item cf::map::unique_maps
1284	local $cf::FREEZE = 1;
1285		1612
1286	warn "enter emergency map save\n";	1613	Returns an arrayref of cf::path's of all shared maps that have
		1614	instantiated unique items. May block.
1287		1615
1288	cf::sync_job {	1616	=cut
1289	warn "begin emergency map save\n";	1617
1290	$_->save for values %cf::MAP;	1618	sub unique_maps() {
		1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1620	or return;
		1621
		1622	my @paths;
		1623
		1624	for (@$files) {
		1625	utf8::decode $_;
		1626	next if /\.pst$/;
		1627	next unless /^$PATH_SEP/o;
		1628
		1629	push @paths, new cf::path $_;
1291	};	1630	}
1292		1631
1293	warn "end emergency map save\n";	1632	\@paths
1294	}	1633	}
1295		1634
1296	package cf;	1635	package cf;
1297		1636
1298	=back	1637	=back
1299		1638
		1639	=head3 cf::object
		1640
		1641	=cut
		1642
		1643	package cf::object;
		1644
		1645	=over 4
		1646
		1647	=item $ob->inv_recursive
		1648
		1649	Returns the inventory of the object _and_ their inventories, recursively.
		1650
		1651	=cut
		1652
		1653	sub inv_recursive_;
		1654	sub inv_recursive_ {
		1655	map { $_, inv_recursive_ $_->inv } @_
		1656	}
		1657
		1658	sub inv_recursive {
		1659	inv_recursive_ inv $_[0]
		1660	}
		1661
		1662	package cf;
		1663
		1664	=back
1300		1665
1301	=head3 cf::object::player	1666	=head3 cf::object::player
1302		1667
1303	=over 4	1668	=over 4
1304		1669
…		…
1340	(ref $cf::CFG{"may_$access"}	1705	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1706	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1707	: $cf::CFG{"may_$access"})
1343	}	1708	}
1344		1709
		1710	=item $player_object->enter_link
		1711
		1712	Freezes the player and moves him/her to a special map (C<{link}>).
		1713
		1714	The player should be reaosnably safe there for short amounts of time. You
		1715	I<MUST> call C<leave_link> as soon as possible, though.
		1716
		1717	=item $player_object->leave_link ($map, $x, $y)
		1718
		1719	Moves the player out of the specila link map onto the given map. If the
		1720	map is not valid (or omitted), the player will be moved back to the
		1721	location he/she was before the call to C<enter_link>, or, if that fails,
		1722	to the emergency map position.
		1723
		1724	Might block.
		1725
		1726	=cut
		1727
1345	sub cf::object::player::enter_link {	1728	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1729	my ($self) = @_;
1347		1730
		1731	$self->deactivate_recursive;
		1732
1348	return if $self->map == $LINK_MAP;	1733	return if $self->map == $LINK_MAP;
1349		1734
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1736	if $self->map;
1352		1737
1353	$self->enter_map ($LINK_MAP, 20, 20);	1738	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1739	}
1356		1740
1357	sub cf::object::player::leave_link {	1741	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1742	my ($self, $map, $x, $y) = @_;
1359		1743
1360	my $link_pos = delete $self->{_link_pos};	1744	my $link_pos = delete $self->{_link_pos};
1361		1745
1362	unless ($map) {	1746	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1747	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1748	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1749	$map = cf::map::find $map;
1368		1750
1369	unless ($map) {	1751	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1752	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1753	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1754	or die "FATAL: cannot load emergency map\n";
1373	}	1755	}
1374	}	1756	}
1375		1757
1376	($x, $y) = (-1, -1)	1758	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1761	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1762	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1763	if $x <=0 && $y <= 0;
1382		1764
1383	$map->load;	1765	$map->load;
		1766	$map->load_diag;
1384		1767
		1768	return unless $self->contr->active;
1385	$self->activate_recursive;	1769	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1770	$self->enter_map ($map, $x, $y);
1387	}	1771	}
1388		1772
		1773	cf::player->attach (
		1774	on_logout => sub {
		1775	my ($pl) = @_;
		1776
		1777	# abort map switching before logout
		1778	if ($pl->ob->{_link_pos}) {
		1779	cf::sync_job {
		1780	$pl->ob->leave_link
		1781	};
		1782	}
		1783	},
		1784	on_login => sub {
		1785	my ($pl) = @_;
		1786
		1787	# try to abort aborted map switching on player login :)
		1788	# should happen only on crashes
		1789	if ($pl->ob->{_link_pos}) {
		1790	$pl->ob->enter_link;
		1791	(async {
		1792	# we need this sleep as the login has a concurrent enter_exit running
		1793	# and this sleep increases chances of the player not ending up in scorn
		1794	$pl->ob->reply (undef,
		1795	"There was an internal problem at your last logout, "
		1796	. "the server will try to bring you to your intended destination in a second.",
		1797	cf::NDI_RED);
		1798	Coro::Timer::sleep 1;
		1799	$pl->ob->leave_link;
		1800	})->prio (2);
		1801	}
		1802	},
		1803	);
		1804
1389	=item $player_object->goto_map ($map, $x, $y)	1805	=item $player_object->goto ($path, $x, $y)
1390		1806
1391	=cut	1807	=cut
1392		1808
1393	sub cf::object::player::goto_map {	1809	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1810	my ($self, $path, $x, $y) = @_;
1395		1811
		1812	$path = new cf::path $path;
		1813
1396	$self->enter_link;	1814	$self->enter_link;
1397		1815
1398	(Coro::async {	1816	(async {
1399	$path = new cf::path $path;
1400
1401	my $map = cf::map::find_map $path->as_string;	1817	my $map = cf::map::find $path->as_string;
1402	$map = $map->customise_for ($self) if $map;	1818	$map = $map->customise_for ($self) if $map;
1403		1819
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1820	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1821	# if $map;
		1822
		1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1824
1407	$self->leave_link ($map, $x, $y);	1825	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1826	})->prio (1);
1409	}	1827	}
1410		1828
…		…
1463		1881
1464	return unless $self->type == cf::PLAYER;	1882	return unless $self->type == cf::PLAYER;
1465		1883
1466	$self->enter_link;	1884	$self->enter_link;
1467		1885
1468	(Coro::async {	1886	(async {
		1887	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1888	unless (eval {
1470
1471	prepare_random_map $exit	1889	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1890	if $exit->slaying eq "/!";
1473		1891
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1894
1477	1;	1895	1;
1478	}) {	1896	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1897	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1898	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1899	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1900	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1901
1484	warn "ERROR in enter_exit: $@";	1902	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1903	$self->leave_link;
1486	}	1904	}
…		…
1537	on_reply => sub {	1955	on_reply => sub {
1538	my ($ns, $msg) = @_;	1956	my ($ns, $msg) = @_;
1539		1957
1540	# this weird shuffling is so that direct followup queries	1958	# this weird shuffling is so that direct followup queries
1541	# get handled first	1959	# get handled first
1542	my $queue = delete $ns->{query_queue};	1960	my $queue = delete $ns->{query_queue}
		1961	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1962
1544	(shift @$queue)->[1]->($msg);	1963	(shift @$queue)->[1]->($msg);
1545		1964
1546	push @{ $ns->{query_queue} }, @$queue;	1965	push @{ $ns->{query_queue} }, @$queue;
1547		1966
…		…
1553	}	1972	}
1554	}	1973	}
1555	},	1974	},
1556	);	1975	);
1557		1976
1558	=item $client->coro (\&cb)	1977	=item $client->async (\&cb)
1559		1978
1560	Create a new coroutine, running the specified callback. The coroutine will	1979	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1980	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1981	or loss of connection).
1563		1982
1564	=cut	1983	=cut
1565		1984
1566	sub cf::client::coro {	1985	sub cf::client::async {
1567	my ($self, $cb) = @_;	1986	my ($self, $cb) = @_;
1568		1987
1569	my $coro; $coro = async {	1988	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1989
1576	$coro->on_destroy (sub {	1990	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1991	delete $self->{_coro}{$coro+0};
1578	});	1992	});
1579		1993
…		…
1751		2165
1752	{	2166	{
1753	my $path = cf::localdir . "/database.pst";	2167	my $path = cf::localdir . "/database.pst";
1754		2168
1755	sub db_load() {	2169	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2170	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2171	}
1759		2172
1760	my $pid;	2173	my $pid;
1761		2174
1762	sub db_save() {	2175	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2176	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2177	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2178	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2179	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2180	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2228	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2229	or return;
1818		2230
1819	local $/;	2231	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2232	*CFG = YAML::Syck::Load <$fh>;
		2233
		2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2235
		2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2238
		2239	if (exists $CFG{mlockall}) {
		2240	eval {
		2241	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2242	and die "WARNING: m(un)lockall failed: $!\n";
		2243	};
		2244	warn $@ if $@;
		2245	}
1821	}	2246	}
1822		2247
1823	sub main {	2248	sub main {
1824	# we must not ever block the main coroutine	2249	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2250	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2252	async { Event::one_event };
1829	})->();
1830	};	2253	};
1831		2254
1832	cfg_load;	2255	cfg_load;
1833	db_load;	2256	db_load;
1834	load_extensions;	2257	load_extensions;
1835	Event::loop;	2258	Event::loop;
1836	}	2259	}
1837		2260
1838	#############################################################################	2261	#############################################################################
1839	# initialisation	2262	# initialisation and cleanup
		2263
		2264	# install some emergency cleanup handlers
		2265	BEGIN {
		2266	for my $signal (qw(INT HUP TERM)) {
		2267	Event->signal (
		2268	data => WF_AUTOCANCEL,
		2269	signal => $signal,
		2270	cb => sub {
		2271	cf::cleanup "SIG$signal";
		2272	},
		2273	);
		2274	}
		2275	}
		2276
		2277	sub emergency_save() {
		2278	my $freeze_guard = cf::freeze_mainloop;
		2279
		2280	warn "enter emergency perl save\n";
		2281
		2282	cf::sync_job {
		2283	# use a peculiar iteration method to avoid tripping on perl
		2284	# refcount bugs in for. also avoids problems with players
		2285	# and maps saved/Destroyed asynchronously.
		2286	warn "begin emergency player save\n";
		2287	for my $login (keys %cf::PLAYER) {
		2288	my $pl = $cf::PLAYER{$login} or next;
		2289	$pl->valid or next;
		2290	$pl->save;
		2291	}
		2292	warn "end emergency player save\n";
		2293
		2294	warn "begin emergency map save\n";
		2295	for my $path (keys %cf::MAP) {
		2296	my $map = $cf::MAP{$path} or next;
		2297	$map->valid or next;
		2298	$map->save;
		2299	}
		2300	warn "end emergency map save\n";
		2301	};
		2302
		2303	warn "leave emergency perl save\n";
		2304	}
1840		2305
1841	sub reload() {	2306	sub reload() {
1842	# can/must only be called in main	2307	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2308	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2309	warn "can only reload from main coroutine\n";
1845	return;	2310	return;
1846	}	2311	}
1847		2312
1848	warn "reloading...";	2313	warn "reloading...";
1849		2314
1850	local $FREEZE = 1;	2315	warn "freezing server";
		2316	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2317	cf::emergency_save;
		2318
		2319	warn "sync database to disk";
		2320	cf::db_sync;
		2321	IO::AIO::flush;
1852		2322
1853	eval {	2323	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
1855		2325
1856	# cancel all watchers	2326	warn "cancel all watchers";
1857	for (Event::all_watchers) {	2327	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2328	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2329	}
1860		2330
1861	# cancel all extension coros	2331	warn "cancel all extension coros";
1862	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2333	%EXT_CORO = ();
1864		2334
		2335	warn "remove commands";
		2336	%COMMAND = ();
		2337
		2338	warn "remove ext commands";
		2339	%EXTCMD = ();
		2340
1865	# unload all extensions	2341	warn "unload/nuke all extensions";
1866	for (@exts) {	2342	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1868	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2350	}
1870		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1871	# unload all modules loaded from $LIBDIR	2356	warn "unload all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2359
1875	warn "removing <$k>";	2360	warn "removing <$k>";
1876	delete $INC{$k};	2361	delete $INC{$k};
…		…
1883	}	2368	}
1884		2369
1885	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1886	}	2371	}
1887		2372
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2373	warn "get rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2376
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2377	warn "unload cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1901		2379
1902	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2381	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1905		2383
1906	# reload cf.pm
1907	warn "reloading cf.pm";	2384	warn "reloading cf.pm";
1908	require cf;	2385	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2387
1911	# load config and database again	2388	warn "load config and database again";
1912	cf::cfg_load;	2389	cf::cfg_load;
1913	cf::db_load;	2390	cf::db_load;
1914		2391
1915	# load extensions
1916	warn "load extensions";	2392	warn "load extensions";
1917	cf::load_extensions;	2393	cf::load_extensions;
1918		2394
1919	# reattach attachments to objects	2395	warn "reattach attachments to objects/players";
1920	warn "reattach";
1921	_global_reattach;	2396	_global_reattach;
		2397	warn "reattach attachments to maps";
		2398	reattach $_ for values %MAP;
1922	};	2399	};
1923		2400
1924	if ($@) {	2401	if ($@) {
1925	warn $@;	2402	warn $@;
1926	warn "error while reloading, exiting.";	2403	warn "error while reloading, exiting.";
1927	exit 1;	2404	exit 1;
1928	}	2405	}
1929		2406
1930	warn "reloaded successfully";	2407	warn "reloaded";
1931	};	2408	};
1932		2409
1933	#############################################################################	2410	#############################################################################
1934		2411
1935	unless ($LINK_MAP) {	2412	unless ($LINK_MAP) {
…		…
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944		2421
1945	# dirty hack because... archetypes are not yet loaded	2422	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (	2423	Event->timer (
1947	after => 2,	2424	after => 10,
1948	cb => sub {	2425	cb => sub {
1949	$_[0]->w->cancel;	2426	$_[0]->w->cancel;
1950		2427
1951	# provide some exits "home"	2428	# provide some exits "home"
1952	my $exit = cf::object::new "exit";	2429	my $exit = cf::object::new "exit";
…		…
1971	$LINK_MAP->{deny_reset} = 1;	2448	$LINK_MAP->{deny_reset} = 1;
1972		2449
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}	2451	}
1975		2452
1976	register "<global>", __PACKAGE__;
1977
1978	register_command "reload" => sub {	2453	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2454	my ($who, $arg) = @_;
1980		2455
1981	if ($who->flag (FLAG_WIZ)) {	2456	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2457	$who->message ("start of reload.");
…		…
1991	reentrant => 0,	2466	reentrant => 0,
1992	prio => 0,	2467	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2468	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2469	data => WF_AUTOCANCEL,
1995	cb => sub {	2470	cb => sub {
1996	unless ($FREEZE) {
1997	cf::server_tick; # one server iteration	2471	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2472	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2473	$NEXT_TICK += $TICK;
		2474
		2475	$WAIT_FOR_TICK->broadcast;
		2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2002		2477
2003	# if we are delayed by four ticks or more, skip them all	2478	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2480
2006	$TICK_WATCHER->at ($NEXT_TICK);	2481	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2503	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2504	})->();
2030	},	2505	},
2031	);	2506	);
2032		2507
		2508	END { cf::emergency_save }
		2509
2033	1	2510	1
2034		2511

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