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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 1.169 by root, Sun Jan 14 01:09:46 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;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	294	=cut
198		295
199	sub sync_job(&) {	296	sub sync_job(&) {
200	my ($job) = @_;	297	my ($job) = @_;
201		298
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 == $Coro::main) {	299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
212	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
		315
215	while ($busy) {	316	while ($busy) {
216	Coro::cede_notself;	317	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	318	}
		319
		320	wantarray ? @res : $res[0]
219	} else {	321	} else {
220	$coro->join;	322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
221	}	325	}
222
223	wantarray ? @res : $res[0]
224	}	326	}
225		327
226	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
227		329
228	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
230		332
231	=cut	333	=cut
232		334
233	sub coro(&) {	335	sub async_ext(&) {
234	my $cb = shift;	336	my $cb = shift;
235		337
236	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		339
243	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
245	});	342	});
246	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
253		350
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	352	or return;
256		353
257	my $value = $cf::RUNTIME;	354	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	355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	356	and return;
260		357
261	aio_fsync $fh	358	aio_fsync $fh
262	and return;	359	and return;
…		…
271	}	368	}
272		369
273	=back	370	=back
274		371
275	=cut	372	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
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	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$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}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: 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	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		373
387	#############################################################################	374	#############################################################################
388		375
389	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
390		377
…		…
696	# object support	683	# object support
697		684
698	sub reattach {	685	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	686	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	687	my ($obj) = @_;
		688
		689	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		690
702	my $registry = $obj->registry;	691	my $registry = $obj->registry;
703		692
704	@$registry = ();	693	@$registry = ();
705		694
…		…
798	or return;	787	or return;
799		788
800	unless (aio_stat "$filename.pst") {	789	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	790	(aio_load "$filename.pst", $av) >= 0
802	or return;	791	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	792	$av = eval { (Storable::thaw $av)->{objs} };
804	}	793	}
805		794
		795	warn sprintf "loading %s (%d)\n",
		796	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	797	return ($data, $av);
807	}	798	}
808		799
809	#############################################################################	800	#############################################################################
810	# command handling &c	801	# command handling &c
…		…
835	=cut	826	=cut
836		827
837	sub register_extcmd {	828	sub register_extcmd {
838	my ($name, $cb) = @_;	829	my ($name, $cb) = @_;
839		830
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	831	$EXTCMD{$name} = $cb;
844	}	832	}
845		833
846	cf::player->attach (	834	cf::player->attach (
847	on_command => sub {	835	on_command => sub {
848	my ($pl, $name, $params) = @_;	836	my ($pl, $name, $params) = @_;
…		…
861		849
862	my $msg = eval { from_json $buf };	850	my $msg = eval { from_json $buf };
863		851
864	if (ref $msg) {	852	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	854	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	855	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	856	}
869	}	857	}
870	} else {	858	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		861
874	cf::override;	862	cf::override;
875	},	863	},
876	);	864	);
877		865
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	866	sub load_extension {
885	my ($path) = @_;	867	my ($path) = @_;
886		868
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	870	my $base = $1;
889	my $pkg = $1;	871	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	872	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	873	$pkg = "ext::$pkg";
892		874
893	warn "loading '$path' into '$pkg'\n";	875	warn "... loading '$path' into '$pkg'\n";
894		876
895	open my $fh, "<:utf8", $path	877	open my $fh, "<:utf8", $path
896	or die "$path: $!";	878	or die "$path: $!";
897		879
898	my $source =	880	my $source =
899	"package $pkg; use strict; use utf8;\n"	881	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	882	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	883	. (do { local $/; <$fh> })
902	. "\n};\n1";	884	. "\n};\n1";
903		885
904	eval $source	886	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	887	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	888	: "extension disabled.\n";
907		889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	890	warn $@;
909	$ext_pkg{$base} = $pkg;	891	warn "mandatory extension failed to load, exiting.\n";
910		892	exit 1;
911	# no strict 'refs';	893	}
912	# @{"$pkg\::ISA"} = ext::;	894	die $@;
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	# }	895	}
927		896
928	# remove commands	897	push @EXTS, $pkg;
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	}	898	}
953		899
954	sub load_extensions {	900	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	901	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	902	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	906	} or warn "$ext not loaded: $@";
961	}	907	}
962	}	908	}
963		909
964	#############################################################################	910	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
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		911
1002	=head2 CORE EXTENSIONS	912	=head2 CORE EXTENSIONS
1003		913
1004	Functions and methods that extend core crossfire objects.	914	Functions and methods that extend core crossfire objects.
1005		915
		916	=cut
		917
		918	package cf::player;
		919
		920	use Coro::AIO;
		921
1006	=head3 cf::player	922	=head3 cf::player
1007		923
1008	=over 4	924	=over 4
1009		925
1010	=item cf::player::exists $login	926	=item cf::player::find $login
1011		927
1012	Returns true when the given account exists.	928	Returns the given player object, loading it if necessary (might block).
1013		929
1014	=cut	930	=cut
1015		931
1016	sub cf::player::exists($) {	932	sub playerdir($) {
1017	cf::player::find $_[0]	933	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	934	. "/"
		935	. cf::playerdir
		936	. "/"
		937	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		938	}
		939
		940	sub path($) {
		941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		942
		943	(playerdir $login) . "/$login.pl"
		944	}
		945
		946	sub find_active($) {
		947	$cf::PLAYER{$_[0]}
		948	and $cf::PLAYER{$_[0]}->active
		949	and $cf::PLAYER{$_[0]}
		950	}
		951
		952	sub exists($) {
		953	my ($login) = @_;
		954
		955	$cf::PLAYER{$login}
		956	or cf::sync_job { !aio_stat $login }
		957	}
		958
		959	sub find($) {
		960	return $cf::PLAYER{$_[0]} || do {
		961	my $login = $_[0];
		962
		963	my $guard = cf::lock_acquire "user_find:$login";
		964
		965	$cf::PLAYER{$_[0]} || do {
		966	my $pl = load_pl path $login
		967	or return;
		968	$cf::PLAYER{$login} = $pl
		969	}
		970	}
		971	}
		972
		973	sub save($) {
		974	my ($pl) = @_;
		975
		976	return if $pl->{deny_save};
		977
		978	my $path = path $pl;
		979	my $guard = cf::lock_acquire "user_save:$path";
		980
		981	return if $pl->{deny_save};
		982
		983	aio_mkdir playerdir $pl, 0770;
		984	$pl->{last_save} = $cf::RUNTIME;
		985
		986	$pl->save_pl ($path);
		987	Coro::cede;
		988	}
		989
		990	sub new($) {
		991	my ($login) = @_;
		992
		993	my $self = create;
		994
		995	$self->ob->name ($login);
		996	$self->{deny_save} = 1;
		997
		998	$cf::PLAYER{$login} = $self;
		999
		1000	$self
		1001	}
		1002
		1003	=item $pl->quit_character
		1004
		1005	Nukes the player without looking back. If logged in, the connection will
		1006	be destroyed. May block for a long time.
		1007
		1008	=cut
		1009
		1010	sub quit_character {
		1011	my ($pl) = @_;
		1012
		1013	$pl->{deny_save} = 1;
		1014	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1015
		1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1017	$pl->deactivate;
		1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1019	$pl->ns->destroy if $pl->ns;
		1020
		1021	my $path = playerdir $pl;
		1022	my $temp = "$path~$cf::RUNTIME~deleting~";
		1023	aio_rename $path, $temp;
		1024	delete $cf::PLAYER{$pl->ob->name};
		1025	$pl->destroy;
		1026	IO::AIO::aio_rmtree $temp;
		1027	}
		1028
		1029	=item cf::player::list_logins
		1030
		1031	Returns am arrayref of all valid playernames in the system, can take a
		1032	while and may block, so not sync_job-capable, ever.
		1033
		1034	=cut
		1035
		1036	sub list_logins {
		1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1038	or return [];
		1039
		1040	my @logins;
		1041
		1042	for my $login (@$dirs) {
		1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1044	aio_read $fh, 0, 512, my $buf, 0 or next;
		1045	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1046
		1047	utf8::decode $login;
		1048	push @logins, $login;
		1049	}
		1050
		1051	\@logins
		1052	}
		1053
		1054	=item $player->maps
		1055
		1056	Returns an arrayref of map paths that are private for this
		1057	player. May block.
		1058
		1059	=cut
		1060
		1061	sub maps($) {
		1062	my ($pl) = @_;
		1063
		1064	my $files = aio_readdir playerdir $pl
		1065	or return;
		1066
		1067	my @paths;
		1068
		1069	for (@$files) {
		1070	utf8::decode $_;
		1071	next if /\.(?:pl|pst)$/;
		1072	next unless /^$PATH_SEP/o;
		1073
		1074	s/\.map$//;
		1075	push @paths, "~" . $pl->ob->name . "/" . $_;
		1076	}
		1077
		1078	\@paths
1019	}	1079	}
1020		1080
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1081	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1082
1023	Sends an ext reply to the player.	1083	Sends an ext reply to the player.
1024		1084
1025	=cut	1085	=cut
1026		1086
1027	sub cf::player::ext_reply($$$%) {	1087	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1088	my ($self, $id, %msg) = @_;
1029		1089
1030	$msg{msgid} = $id;	1090	$msg{msgid} = $id;
1031		1091
1032	$self->send ("ext " . to_json \%msg);	1092	$self->send ("ext " . cf::to_json \%msg);
1033	}	1093	}
		1094
		1095	package cf;
1034		1096
1035	=back	1097	=back
1036		1098
1037		1099
1038	=head3 cf::map	1100	=head3 cf::map
…		…
1044	package cf::map;	1106	package cf::map;
1045		1107
1046	use Fcntl;	1108	use Fcntl;
1047	use Coro::AIO;	1109	use Coro::AIO;
1048		1110
		1111	use overload
		1112	'""' => \&as_string;
		1113
1049	our $MAX_RESET = 7200;	1114	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1115	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1116
1054	sub generate_random_map {	1117	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1118	my ($self, $rmp) = @_;
1056		1119
1057	# mit "rum" bekleckern, nicht	1120	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1121	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1125	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1126	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1127	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1128	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1129	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1130	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1132	(cf::region::find $rmp->{region}), $rmp->{custom}
		1133	)
		1134	}
		1135
		1136	sub register {
		1137	my (undef, $regex) = @_;
		1138	my $pkg = caller;
		1139
		1140	no strict;
		1141	push @{"$pkg\::ISA"}, __PACKAGE__;
		1142
		1143	$EXT_MAP{$pkg} = qr<$regex>;
		1144	}
		1145
		1146	# also paths starting with '/'
		1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1148
		1149	sub normalise {
		1150	my ($path, $base) = @_;
		1151
		1152	# map plan:
		1153	#
		1154	# /! non-realised random map exit (special hack!)
		1155	# {... are special paths that are not being touched
		1156	# ?xxx/... are special absolute paths
		1157	# ?random/... random maps
		1158	# /... normal maps
		1159	# ~user/... per-player map of a specific user
		1160
		1161	$path =~ s/$PATH_SEP/\//go;
		1162
		1163	# treat it as relative path if it starts with
		1164	# something that looks reasonable
		1165	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1166	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1167
		1168	$base =~ s{[^/]+/?$}{};
		1169	$path = "$base/$path";
		1170	}
		1171
		1172	for ($path) {
		1173	redo if s{//}{/};
		1174	redo if s{/\.?/}{/};
		1175	redo if s{/[^/]+/\.\./}{/};
		1176	}
		1177
		1178	$path
		1179	}
		1180
		1181	sub new_from_path {
		1182	my (undef, $path, $base) = @_;
		1183
		1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1185
		1186	$path = normalise $path, $base;
		1187
		1188	for my $pkg (keys %EXT_MAP) {
		1189	if ($path =~ $EXT_MAP{$pkg}) {
		1190	my $self = bless cf::map::new, $pkg;
		1191	$self->{path} = $path; $self->path ($path);
		1192	$self->init; # pass $1 etc.
		1193	return $self;
		1194	}
		1195	}
		1196
		1197	Carp::carp "unable to resolve path '$path'.";
		1198	()
		1199	}
		1200
		1201	sub init {
		1202	my ($self) = @_;
		1203
		1204	$self
		1205	}
		1206
		1207	sub as_string {
		1208	my ($self) = @_;
		1209
		1210	"$self->{path}"
		1211	}
		1212
		1213	# the displayed name, this is a one way mapping
		1214	sub visible_name {
		1215	&as_string
		1216	}
		1217
		1218	# the original (read-only) location
		1219	sub load_path {
		1220	my ($self) = @_;
		1221
		1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1223	}
		1224
		1225	# the temporary/swap location
		1226	sub save_path {
		1227	my ($self) = @_;
		1228
		1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1231	}
		1232
		1233	# the unique path, undef == no special unique path
		1234	sub uniq_path {
		1235	my ($self) = @_;
		1236
		1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1239	}
1072		1240
1073	# and all this just because we cannot iterate over	1241	# and all this just because we cannot iterate over
1074	# all maps in C++...	1242	# all maps in C++...
1075	sub change_all_map_light {	1243	sub change_all_map_light {
1076	my ($change) = @_;	1244	my ($change) = @_;
1077		1245
1078	$_->change_map_light ($change) for values %cf::MAP;	1246	$_->change_map_light ($change)
		1247	for grep $_->outdoor, values %cf::MAP;
1079	}	1248	}
1080		1249
		1250	sub unlink_save {
		1251	my ($self) = @_;
		1252
		1253	utf8::encode (my $save = $self->save_path);
		1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
		1256	}
		1257
1081	sub try_load_header($) {	1258	sub load_header_from($) {
1082	my ($path) = @_;	1259	my ($self, $path) = @_;
1083		1260
1084	utf8::encode $path;	1261	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1262	aio_open $path, O_RDONLY, 0
1086	or return;	1263	or return;
1087		1264
1088	my $map = cf::map::new	1265	$self->_load_header ($path)
1089	or return;	1266	or return;
1090		1267
1091	$map->load_header ($path)	1268	$self->{load_path} = $path;
		1269
		1270	1
		1271	}
		1272
		1273	sub load_orig {
		1274	my ($self) = @_;
		1275
		1276	$self->load_header_from ($self->load_path)
		1277	}
		1278
		1279	sub load_temp {
		1280	my ($self) = @_;
		1281
		1282	$self->load_header_from ($self->save_path)
		1283	}
		1284
		1285	sub load_header {
		1286	my ($self) = @_;
		1287
		1288	if ($self->load_temp) {
		1289	$self->last_access ((delete $self->{last_access})
		1290	|| $cf::RUNTIME); #d#
		1291	# safety
		1292	$self->{instantiate_time} = $cf::RUNTIME
		1293	if $self->{instantiate_time} > $cf::RUNTIME;
		1294	} else {
		1295	$self->load_orig
1092	or return;	1296	or return;
1093		1297
1094	$map->{load_path} = $path;	1298	$self->{load_original} = 1;
1095	use Data::Dumper; warn Dumper $map;#d#	1299	$self->{instantiate_time} = $cf::RUNTIME;
		1300	$self->last_access ($cf::RUNTIME);
		1301	$self->instantiate;
		1302	}
1096		1303
1097	$map	1304	1
1098	}	1305	}
1099		1306
		1307	sub find;
1100	sub find_map {	1308	sub find {
1101	my ($path, $origin) = @_;	1309	my ($path, $origin) = @_;
1102		1310
1103	#warn "find_map<$path,$origin>\n";#d#	1311	$path = normalise $path, $origin && $origin->path;
1104		1312
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1313	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1314
1108	$cf::MAP{$key} || do {	1315	$cf::MAP{$path} || do {
1109	# do it the slow way	1316	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1317	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1318	or return;
1124		1319
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1320	$map->{last_save} = $cf::RUNTIME;
1136		1321
		1322	$map->load_header
		1323	or return;
		1324
1137	$map->reset if $map->should_reset;	1325	if ($map->should_reset) {
		1326	$map->reset;
		1327	undef $guard;
		1328	$map = find $path
		1329	or return;
		1330	}
1138		1331
1139	$cf::MAP{$key} = $map	1332	$cf::MAP{$path} = $map
1140	}	1333	}
1141	}	1334	}
1142		1335
1143	sub load {	1336	sub load {
1144	my ($self) = @_;	1337	my ($self) = @_;
1145		1338
		1339	my $path = $self->{path};
		1340	my $guard = cf::lock_acquire "map_load:$path";
		1341
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1342	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1343
1148	$self->in_memory (cf::MAP_LOADING);	1344	$self->in_memory (cf::MAP_LOADING);
1149		1345
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1346	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1347	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1348	or return;
1155		1349
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1351	if delete $self->{load_original};
1157		1352
1158	if (my $uniq = $path->uniq_path) {	1353	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1354	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1355	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1356	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1357	$self->_load_objects ($uniq, 0);
1163	}	1358	}
1164	}	1359	}
		1360
		1361	Coro::cede;
1165		1362
1166	# now do the right thing for maps	1363	# now do the right thing for maps
1167	$self->link_multipart_objects;	1364	$self->link_multipart_objects;
1168		1365
1169	if ($self->{path}->is_style_map) {	1366	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1367	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1368	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1369	$self->update_buttons;
		1370	Coro::cede;
1176	$self->set_darkness_map;	1371	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1372	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1373	unless $self->difficulty;
		1374	Coro::cede;
1179	$self->activate;	1375	$self->activate;
1180	}	1376	}
1181		1377
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1378	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1379	}
1184		1380
1185	sub load_map_sync {	1381	sub customise_for {
		1382	my ($self, $ob) = @_;
		1383
		1384	return find "~" . $ob->name . "/" . $self->{path}
		1385	if $self->per_player;
		1386
		1387	$self
		1388	}
		1389
		1390	# find and load all maps in the 3x3 area around a map
		1391	sub load_diag {
		1392	my ($map) = @_;
		1393
		1394	my @diag; # diagonal neighbours
		1395
		1396	for (0 .. 3) {
		1397	my $neigh = $map->tile_path ($_)
		1398	or next;
		1399	$neigh = find $neigh, $map
		1400	or next;
		1401	$neigh->load;
		1402
		1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1405	}
		1406
		1407	for (@diag) {
		1408	my $neigh = find @$_
		1409	or next;
		1410	$neigh->load;
		1411	}
		1412	}
		1413
		1414	sub find_sync {
1186	my ($path, $origin) = @_;	1415	my ($path, $origin) = @_;
1187		1416
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1417	cf::sync_job { find $path, $origin }
		1418	}
1189		1419
1190	cf::sync_job {	1420	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1421	my ($map) = @_;
		1422
		1423	cf::sync_job { $map->load };
		1424	}
		1425
		1426	our %MAP_PREFETCH;
		1427	our $MAP_PREFETCHER = Coro::async {
		1428	while () {
		1429	for my $path (keys %MAP_PREFETCH) {
		1430	my $map = find $path
1192	or return;	1431	or next;
1193	$map->load;	1432	$map->load;
1194	$map	1433
		1434	delete $MAP_PREFETCH{$path};
		1435	}
		1436	Coro::schedule;
1195	}	1437	}
		1438	};
		1439
		1440	sub find_async {
		1441	my ($path, $origin) = @_;
		1442
		1443	$path = normalise $path, $origin && $origin->{path};
		1444
		1445	if (my $map = $cf::MAP{$path}) {
		1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1447	}
		1448
		1449	$MAP_PREFETCH{$path} = 0;
		1450	$MAP_PREFETCHER->ready;
		1451
		1452	()
1196	}	1453	}
1197		1454
1198	sub save {	1455	sub save {
1199	my ($self) = @_;	1456	my ($self) = @_;
1200		1457
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1458	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1459
1204	$self->{last_save} = $cf::RUNTIME;	1460	$self->{last_save} = $cf::RUNTIME;
1205		1461
1206	return unless $self->dirty;	1462	return unless $self->dirty;
1207		1463
		1464	my $save = $self->save_path; utf8::encode $save;
		1465	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1466
1208	$self->{load_path} = $save;	1467	$self->{load_path} = $save;
1209		1468
1210	return if $self->{deny_save};	1469	return if $self->{deny_save};
1211		1470
1212	warn "saving map ", $self->path;	1471	local $self->{last_access} = $self->last_access;#d#
		1472
		1473	cf::async {
		1474	$_->contr->save for $self->players;
		1475	};
1213		1476
1214	if ($uniq) {	1477	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1480	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1481	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1482	}
1220	}	1483	}
1221		1484
1222	sub swap_out {	1485	sub swap_out {
1223	my ($self) = @_;	1486	my ($self) = @_;
		1487
		1488	# save first because save cedes
		1489	$self->save;
		1490
		1491	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1492
1225	return if $self->players;	1493	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1494	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1495	return if $self->{deny_save};
1228		1496
1229	$self->save;
1230	$self->clear;	1497	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1498	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1499	}
1233		1500
		1501	sub reset_at {
		1502	my ($self) = @_;
		1503
		1504	# TODO: safety, remove and allow resettable per-player maps
		1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1506	return 1e99 if $self->{deny_reset};
		1507
		1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1510
		1511	$time + $to
		1512	}
		1513
1234	sub should_reset {	1514	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
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 < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1515	my ($self) = @_;
1251		1516
1252	utf8::encode (my $save = $self->{path}->save_path);	1517	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1518	}
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1519
		1520	sub rename {
		1521	my ($self, $new_path) = @_;
		1522
		1523	normalise $new_path;
		1524
		1525	$self->unlink_save;
		1526
		1527	delete $cf::MAP{$self->path};
		1528	$self->{path} = $new_path; $self->path ($self->{path});
		1529	$cf::MAP{$self->path} = $self;
		1530
		1531	$self->save;
1255	}	1532	}
1256		1533
1257	sub reset {	1534	sub reset {
1258	my ($self) = @_;	1535	my ($self) = @_;
1259		1536
		1537	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1538
1260	return if $self->players;	1539	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1540	return if $self->isa ("ext::map_per_player");#d#
1262		1541
1263	warn "resetting map ", $self->path;#d#	1542	warn "resetting map ", $self->path;#d#
1264		1543
1265	delete $cf::MAP{$self->path};	1544	delete $cf::MAP{$self->path};
		1545
		1546	$self->in_memory (cf::MAP_SWAPPED);
		1547	$self->clear;
1266		1548
1267	$_->clear_links_to ($self) for values %cf::MAP;	1549	$_->clear_links_to ($self) for values %cf::MAP;
1268		1550
1269	$self->unlink_save;	1551	$self->unlink_save;
1270	$self->destroy;	1552	$self->destroy;
1271	}	1553	}
1272		1554
1273	sub customise_for {	1555	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1556
1276	if ($map->per_player) {	1557	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1558	my ($self) = @_;
1278	}
1279		1559
1280	$map	1560	$self->{deny_save} = 1;
		1561	$self->reset_timeout (1);
		1562	$self->rename ("{nuke}/" . ($nuke_counter++));
		1563	$self->reset; # polite request, might not happen
1281	}	1564	}
1282		1565
1283	sub emergency_save {	1566	=item cf::map::unique_maps
1284	local $cf::FREEZE = 1;
1285		1567
1286	warn "enter emergency map save\n";	1568	Returns an arrayref of paths of all shared maps that have
		1569	instantiated unique items. May block.
1287		1570
1288	cf::sync_job {	1571	=cut
1289	warn "begin emergency map save\n";	1572
1290	$_->save for values %cf::MAP;	1573	sub unique_maps() {
		1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1575	or return;
		1576
		1577	my @paths;
		1578
		1579	for (@$files) {
		1580	utf8::decode $_;
		1581	next if /\.pst$/;
		1582	next unless /^$PATH_SEP/o;
		1583
		1584	s/\.map$//;
		1585	push @paths, $_;
1291	};	1586	}
1292		1587
1293	warn "end emergency map save\n";	1588	\@paths
1294	}	1589	}
1295		1590
1296	package cf;	1591	package cf;
1297		1592
1298	=back	1593	=back
1299		1594
		1595	=head3 cf::object
		1596
		1597	=cut
		1598
		1599	package cf::object;
		1600
		1601	=over 4
		1602
		1603	=item $ob->inv_recursive
		1604
		1605	Returns the inventory of the object _and_ their inventories, recursively.
		1606
		1607	=cut
		1608
		1609	sub inv_recursive_;
		1610	sub inv_recursive_ {
		1611	map { $_, inv_recursive_ $_->inv } @_
		1612	}
		1613
		1614	sub inv_recursive {
		1615	inv_recursive_ inv $_[0]
		1616	}
		1617
		1618	package cf;
		1619
		1620	=back
1300		1621
1301	=head3 cf::object::player	1622	=head3 cf::object::player
1302		1623
1303	=over 4	1624	=over 4
1304		1625
…		…
1340	(ref $cf::CFG{"may_$access"}	1661	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1662	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1663	: $cf::CFG{"may_$access"})
1343	}	1664	}
1344		1665
		1666	=item $player_object->enter_link
		1667
		1668	Freezes the player and moves him/her to a special map (C<{link}>).
		1669
		1670	The player should be reasonably safe there for short amounts of time. You
		1671	I<MUST> call C<leave_link> as soon as possible, though.
		1672
		1673	Will never block.
		1674
		1675	=item $player_object->leave_link ($map, $x, $y)
		1676
		1677	Moves the player out of the special C<{link}> map onto the specified
		1678	map. If the map is not valid (or omitted), the player will be moved back
		1679	to the location he/she was before the call to C<enter_link>, or, if that
		1680	fails, to the emergency map position.
		1681
		1682	Might block.
		1683
		1684	=cut
		1685
		1686	sub link_map {
		1687	unless ($LINK_MAP) {
		1688	$LINK_MAP = cf::map::find "{link}"
		1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1690	$LINK_MAP->load;
		1691	}
		1692
		1693	$LINK_MAP
		1694	}
		1695
1345	sub cf::object::player::enter_link {	1696	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1697	my ($self) = @_;
1347		1698
1348	return if $self->map == $LINK_MAP;	1699	$self->deactivate_recursive;
1349		1700
		1701	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1702
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1704	if $self->map;
1352		1705
1353	$self->enter_map ($LINK_MAP, 20, 20);	1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1707	}
1356		1708
1357	sub cf::object::player::leave_link {	1709	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1710	my ($self, $map, $x, $y) = @_;
1359		1711
1360	my $link_pos = delete $self->{_link_pos};	1712	my $link_pos = delete $self->{_link_pos};
1361		1713
1362	unless ($map) {	1714	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1715	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1716	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1717	$map = cf::map::find $map;
1368		1718
1369	unless ($map) {	1719	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1720	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1721	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1722	or die "FATAL: cannot load emergency map\n";
1373	}	1723	}
1374	}	1724	}
1375		1725
1376	($x, $y) = (-1, -1)	1726	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1729	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1730	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1731	if $x <=0 && $y <= 0;
1382		1732
1383	$map->load;	1733	$map->load;
		1734	$map->load_diag;
1384		1735
		1736	return unless $self->contr->active;
1385	$self->activate_recursive;	1737	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1738	$self->enter_map ($map, $x, $y);
1387	}	1739	}
1388		1740
		1741	cf::player->attach (
		1742	on_logout => sub {
		1743	my ($pl) = @_;
		1744
		1745	# abort map switching before logout
		1746	if ($pl->ob->{_link_pos}) {
		1747	cf::sync_job {
		1748	$pl->ob->leave_link
		1749	};
		1750	}
		1751	},
		1752	on_login => sub {
		1753	my ($pl) = @_;
		1754
		1755	# try to abort aborted map switching on player login :)
		1756	# should happen only on crashes
		1757	if ($pl->ob->{_link_pos}) {
		1758	$pl->ob->enter_link;
		1759	(async {
		1760	# we need this sleep as the login has a concurrent enter_exit running
		1761	# and this sleep increases chances of the player not ending up in scorn
		1762	$pl->ob->reply (undef,
		1763	"There was an internal problem at your last logout, "
		1764	. "the server will try to bring you to your intended destination in a second.",
		1765	cf::NDI_RED);
		1766	Coro::Timer::sleep 1;
		1767	$pl->ob->leave_link;
		1768	})->prio (2);
		1769	}
		1770	},
		1771	);
		1772
1389	=item $player_object->goto_map ($map, $x, $y)	1773	=item $player_object->goto ($path, $x, $y)
1390		1774
1391	=cut	1775	=cut
1392		1776
1393	sub cf::object::player::goto_map {	1777	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1778	my ($self, $path, $x, $y) = @_;
1395		1779
1396	$self->enter_link;	1780	$self->enter_link;
1397		1781
1398	(Coro::async {	1782	(async {
1399	$path = new cf::path $path;
1400
1401	my $map = cf::map::find_map $path->as_string;	1783	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1784	$map = $map->customise_for ($self) if $map;
1403		1785
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1786	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1787	# if $map;
		1788
		1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1790
1407	$self->leave_link ($map, $x, $y);	1791	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1792	})->prio (1);
1409	}	1793	}
1410		1794
…		…
1463		1847
1464	return unless $self->type == cf::PLAYER;	1848	return unless $self->type == cf::PLAYER;
1465		1849
1466	$self->enter_link;	1850	$self->enter_link;
1467		1851
1468	(Coro::async {	1852	(async {
		1853	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1854	unless (eval {
1470
1471	prepare_random_map $exit	1855	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1856	if $exit->slaying eq "/!";
1473		1857
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1860
1477	1;	1861	1;
1478	}) {	1862	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1863	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1864	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1865	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1866	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1867
1484	warn "ERROR in enter_exit: $@";	1868	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1869	$self->leave_link;
1486	}	1870	}
…		…
1537	on_reply => sub {	1921	on_reply => sub {
1538	my ($ns, $msg) = @_;	1922	my ($ns, $msg) = @_;
1539		1923
1540	# this weird shuffling is so that direct followup queries	1924	# this weird shuffling is so that direct followup queries
1541	# get handled first	1925	# get handled first
1542	my $queue = delete $ns->{query_queue};	1926	my $queue = delete $ns->{query_queue}
		1927	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1928
1544	(shift @$queue)->[1]->($msg);	1929	(shift @$queue)->[1]->($msg);
1545		1930
1546	push @{ $ns->{query_queue} }, @$queue;	1931	push @{ $ns->{query_queue} }, @$queue;
1547		1932
…		…
1553	}	1938	}
1554	}	1939	}
1555	},	1940	},
1556	);	1941	);
1557		1942
1558	=item $client->coro (\&cb)	1943	=item $client->async (\&cb)
1559		1944
1560	Create a new coroutine, running the specified callback. The coroutine will	1945	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1946	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1947	or loss of connection).
1563		1948
1564	=cut	1949	=cut
1565		1950
1566	sub cf::client::coro {	1951	sub cf::client::async {
1567	my ($self, $cb) = @_;	1952	my ($self, $cb) = @_;
1568		1953
1569	my $coro; $coro = async {	1954	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1955
1576	$coro->on_destroy (sub {	1956	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1957	delete $self->{_coro}{$coro+0};
1578	});	1958	});
1579		1959
…		…
1751		2131
1752	{	2132	{
1753	my $path = cf::localdir . "/database.pst";	2133	my $path = cf::localdir . "/database.pst";
1754		2134
1755	sub db_load() {	2135	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2136	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2137	}
1759		2138
1760	my $pid;	2139	my $pid;
1761		2140
1762	sub db_save() {	2141	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2142	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2143	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2144	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2145	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2146	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2194	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2195	or return;
1818		2196
1819	local $/;	2197	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2198	*CFG = YAML::Syck::Load <$fh>;
		2199
		2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2201
		2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2204
		2205	if (exists $CFG{mlockall}) {
		2206	eval {
		2207	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2208	and die "WARNING: m(un)lockall failed: $!\n";
		2209	};
		2210	warn $@ if $@;
		2211	}
1821	}	2212	}
1822		2213
1823	sub main {	2214	sub main {
1824	# we must not ever block the main coroutine	2215	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2216	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2218	async { Event::one_event };
1829	})->();
1830	};	2219	};
1831		2220
1832	cfg_load;	2221	cfg_load;
1833	db_load;	2222	db_load;
1834	load_extensions;	2223	load_extensions;
1835	Event::loop;	2224	Event::loop;
1836	}	2225	}
1837		2226
1838	#############################################################################	2227	#############################################################################
1839	# initialisation	2228	# initialisation and cleanup
		2229
		2230	# install some emergency cleanup handlers
		2231	BEGIN {
		2232	for my $signal (qw(INT HUP TERM)) {
		2233	Event->signal (
		2234	data => WF_AUTOCANCEL,
		2235	signal => $signal,
		2236	cb => sub {
		2237	cf::cleanup "SIG$signal";
		2238	},
		2239	);
		2240	}
		2241	}
		2242
		2243	sub emergency_save() {
		2244	my $freeze_guard = cf::freeze_mainloop;
		2245
		2246	warn "enter emergency perl save\n";
		2247
		2248	cf::sync_job {
		2249	# use a peculiar iteration method to avoid tripping on perl
		2250	# refcount bugs in for. also avoids problems with players
		2251	# and maps saved/destroyed asynchronously.
		2252	warn "begin emergency player save\n";
		2253	for my $login (keys %cf::PLAYER) {
		2254	my $pl = $cf::PLAYER{$login} or next;
		2255	$pl->valid or next;
		2256	$pl->save;
		2257	}
		2258	warn "end emergency player save\n";
		2259
		2260	warn "begin emergency map save\n";
		2261	for my $path (keys %cf::MAP) {
		2262	my $map = $cf::MAP{$path} or next;
		2263	$map->valid or next;
		2264	$map->save;
		2265	}
		2266	warn "end emergency map save\n";
		2267	};
		2268
		2269	warn "leave emergency perl save\n";
		2270	}
1840		2271
1841	sub reload() {	2272	sub reload() {
1842	# can/must only be called in main	2273	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2274	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2275	warn "can only reload from main coroutine\n";
1845	return;	2276	return;
1846	}	2277	}
1847		2278
1848	warn "reloading...";	2279	warn "reloading...";
1849		2280
1850	local $FREEZE = 1;	2281	warn "freezing server";
		2282	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2283	cf::emergency_save;
		2284
		2285	warn "sync database to disk";
		2286	cf::db_sync;
		2287	IO::AIO::flush;
1852		2288
1853	eval {	2289	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2290	# if anything goes wrong in here, we should simply crash as we already saved
1855		2291
1856	# cancel all watchers	2292	warn "cancel all watchers";
1857	for (Event::all_watchers) {	2293	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2294	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2295	}
1860		2296
1861	# cancel all extension coros	2297	warn "cancel all extension coros";
1862	$_->cancel for values %EXT_CORO;	2298	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2299	%EXT_CORO = ();
1864		2300
		2301	warn "remove commands";
		2302	%COMMAND = ();
		2303
		2304	warn "remove ext commands";
		2305	%EXTCMD = ();
		2306
1865	# unload all extensions	2307	warn "unload/nuke all extensions";
1866	for (@exts) {	2308	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2309	warn "... unloading $pkg";
1868	unload_extension $_;	2310
		2311	if (my $cb = $pkg->can ("unload")) {
		2312	eval {
		2313	$cb->($pkg);
		2314	1
		2315	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2316	}
1870		2317
		2318	warn "... nuking $pkg";
		2319	Symbol::delete_package $pkg;
		2320	}
		2321
1871	# unload all modules loaded from $LIBDIR	2322	warn "unload all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2323	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2325
1875	warn "removing <$k>";	2326	warn "removing <$k>";
1876	delete $INC{$k};	2327	delete $INC{$k};
…		…
1883	}	2334	}
1884		2335
1885	Symbol::delete_package $k;	2336	Symbol::delete_package $k;
1886	}	2337	}
1887		2338
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2339	warn "get rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2340	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2342
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2343	warn "unload cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2344	delete $INC{"cf.pm"};
1901		2345
1902	# don't, removes xs symbols, too,	2346	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2347	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2348	#Symbol::delete_package __PACKAGE__;
1905		2349
1906	# reload cf.pm
1907	warn "reloading cf.pm";	2350	warn "reloading cf.pm";
1908	require cf;	2351	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2353
1911	# load config and database again	2354	warn "load config and database again";
1912	cf::cfg_load;	2355	cf::cfg_load;
1913	cf::db_load;	2356	cf::db_load;
1914		2357
1915	# load extensions
1916	warn "load extensions";	2358	warn "load extensions";
1917	cf::load_extensions;	2359	cf::load_extensions;
1918		2360
1919	# reattach attachments to objects	2361	warn "reattach attachments to objects/players";
1920	warn "reattach";
1921	_global_reattach;	2362	_global_reattach;
		2363	warn "reattach attachments to maps";
		2364	reattach $_ for values %MAP;
1922	};	2365	};
1923		2366
1924	if ($@) {	2367	if ($@) {
1925	warn $@;	2368	warn $@;
1926	warn "error while reloading, exiting.";	2369	warn "error while reloading, exiting.";
1927	exit 1;	2370	exit 1;
1928	}	2371	}
1929		2372
1930	warn "reloaded successfully";	2373	warn "reloaded";
1931	};	2374	};
1932
1933	#############################################################################
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2375
1978	register_command "reload" => sub {	2376	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2377	my ($who, $arg) = @_;
1980		2378
1981	if ($who->flag (FLAG_WIZ)) {	2379	if ($who->flag (FLAG_WIZ)) {
…		…
1991	reentrant => 0,	2389	reentrant => 0,
1992	prio => 0,	2390	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2391	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2392	data => WF_AUTOCANCEL,
1995	cb => sub {	2393	cb => sub {
1996	unless ($FREEZE) {	2394	$NOW = Event::time;
		2395
1997	cf::server_tick; # one server iteration	2396	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2397	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2398	$NEXT_TICK += $TICK;
		2399
		2400	$WAIT_FOR_TICK->broadcast;
		2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2002		2402
2003	# if we are delayed by four ticks or more, skip them all	2403	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2405
2006	$TICK_WATCHER->at ($NEXT_TICK);	2406	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2008	},	2408	},
2009	);	2409	);
2010		2410
2011	IO::AIO::max_poll_time $TICK * 0.2;	2411	IO::AIO::max_poll_time $TICK * 0.2;
2012		2412
2013	Event->io (	2413	$AIO_POLL_WATCHER = Event->io (
2014	fd => IO::AIO::poll_fileno,	2414	fd => IO::AIO::poll_fileno,
2015	poll => 'r',	2415	poll => 'r',
2016	prio => 5,	2416	prio => 5,
2017	data => WF_AUTOCANCEL,	2417	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,	2418	cb => \&IO::AIO::poll_cb,
2019	);	2419	);
2020		2420
2021	Event->timer (	2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2022	data => WF_AUTOCANCEL,	2422	data => WF_AUTOCANCEL,
2023	after => 0,	2423	after => 0,
2024	interval => 10,	2424	interval => 10,
2025	cb => sub {	2425	cb => sub {
2026	(Coro::unblock_sub {	2426	(Coro::unblock_sub {
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2428	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2429	})->();
2030	},	2430	},
2031	);	2431	);
2032		2432
		2433	END { cf::emergency_save }
		2434
2033	1	2435	1
2034		2436

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