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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.118 by root, Mon Jan 1 21:19:52 2007 UTC vs.
Revision 1.181 by root, Fri Jan 19 15:29:52 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 3.4 ();
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
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
277	}	368	}
278		369
279	=back	370	=back
280		371
281	=cut	372	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		373
403	#############################################################################	374	#############################################################################
404		375
405	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
406		377
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	504	our @CB_MAP = ();
534		505
535	my %attachment;	506	my %attachment;
536		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
537	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
539		516
540	use sort 'stable';	517	use sort 'stable';
541		518
…		…
712	# object support	689	# object support
713		690
714	sub reattach {	691	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		696
718	my $registry = $obj->registry;	697	my $registry = $obj->registry;
719		698
720	@$registry = ();	699	@$registry = ();
721		700
…		…
853	=cut	832	=cut
854		833
855	sub register_extcmd {	834	sub register_extcmd {
856	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
857		836
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
862	}	838	}
863		839
864	cf::player->attach (	840	cf::player->attach (
865	on_command => sub {	841	on_command => sub {
866	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
879		855
880	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
881		857
882	if (ref $msg) {	858	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	862	}
887	}	863	}
888	} else {	864	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		867
892	cf::override;	868	cf::override;
893	},	869	},
894	);	870	);
895		871
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	872	sub load_extension {
903	my ($path) = @_;	873	my ($path) = @_;
904		874
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	876	my $base = $1;
907	my $pkg = $1;	877	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
910		880
911	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
912		882
913	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
914	or die "$path: $!";	884	or die "$path: $!";
915		885
916	my $source =	886	my $source =
917	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
920	. "\n};\n1";	890	. "\n};\n1";
921		891
922	eval $source	892	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	894	: "extension disabled.\n";
925		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	896	warn $@;
927	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
928		898	exit 1;
929	# no strict 'refs';	899	}
930	# @{"$pkg\::ISA"} = ext::;	900	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	901	}
945		902
946	# remove commands	903	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	904	}
971		905
972	sub load_extensions {	906	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	908	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
979	}	913	}
980	}	914	}
981		915
982	#############################################################################	916	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		917
1020	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1021		919
1022	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1023		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1024	=head3 cf::player	928	=head3 cf::player
1025		929
1026	=over 4	930	=over 4
1027		931
1028	=item cf::player::exists $login	932	=item cf::player::find $login
1029		933
1030	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1031		935
1032	=cut	936	=cut
1033		937
1034	sub cf::player::exists($) {	938	sub playerdir($) {
1035	cf::player::find $_[0]	939	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat path $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} || do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} || do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
1037	}	1085	}
1038		1086
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1088
1041	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1042		1090
1043	=cut	1091	=cut
1044		1092
1045	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1047		1095
1048	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1049		1097
1050	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1051	}	1099	}
		1100
		1101	package cf;
1052		1102
1053	=back	1103	=back
1054		1104
1055		1105
1056	=head3 cf::map	1106	=head3 cf::map
…		…
1062	package cf::map;	1112	package cf::map;
1063		1113
1064	use Fcntl;	1114	use Fcntl;
1065	use Coro::AIO;	1115	use Coro::AIO;
1066		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1067	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1069		1123
1070	sub generate_random_map {	1124	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1127	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	my ($self, $merge) = @_;
		1157
		1158	# we have to keep some variables in memory intact
		1159	local $self->{path};
		1160	local $self->{load_path};
		1161	local $self->{deny_save};
		1162	local $self->{deny_reset};
		1163
		1164	$self->SUPER::thawer_merge ($merge);
		1165	}
		1166
		1167	sub normalise {
		1168	my ($path, $base) = @_;
		1169
		1170	# map plan:
		1171	#
		1172	# /! non-realised random map exit (special hack!)
		1173	# {... are special paths that are not being touched
		1174	# ?xxx/... are special absolute paths
		1175	# ?random/... random maps
		1176	# /... normal maps
		1177	# ~user/... per-player map of a specific user
		1178
		1179	$path =~ s/$PATH_SEP/\//go;
		1180
		1181	# treat it as relative path if it starts with
		1182	# something that looks reasonable
		1183	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1185
		1186	$base =~ s{[^/]+/?$}{};
		1187	$path = "$base/$path";
		1188	}
		1189
		1190	for ($path) {
		1191	redo if s{//}{/};
		1192	redo if s{/\.?/}{/};
		1193	redo if s{/[^/]+/\.\./}{/};
		1194	}
		1195
		1196	$path
		1197	}
		1198
		1199	sub new_from_path {
		1200	my (undef, $path, $base) = @_;
		1201
		1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1203
		1204	$path = normalise $path, $base;
		1205
		1206	for my $pkg (keys %EXT_MAP) {
		1207	if ($path =~ $EXT_MAP{$pkg}) {
		1208	my $self = bless cf::map::new, $pkg;
		1209	$self->{path} = $path; $self->path ($path);
		1210	$self->init; # pass $1 etc.
		1211	return $self;
		1212	}
		1213	}
		1214
		1215	Carp::carp "unable to resolve path '$path'.";
		1216	()
		1217	}
		1218
		1219	sub init {
		1220	my ($self) = @_;
		1221
		1222	$self
		1223	}
		1224
		1225	sub as_string {
		1226	my ($self) = @_;
		1227
		1228	"$self->{path}"
		1229	}
		1230
		1231	# the displayed name, this is a one way mapping
		1232	sub visible_name {
		1233	&as_string
		1234	}
		1235
		1236	# the original (read-only) location
		1237	sub load_path {
		1238	my ($self) = @_;
		1239
		1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1241	}
		1242
		1243	# the temporary/swap location
		1244	sub save_path {
		1245	my ($self) = @_;
		1246
		1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1249	}
		1250
		1251	# the unique path, undef == no special unique path
		1252	sub uniq_path {
		1253	my ($self) = @_;
		1254
		1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1257	}
1088		1258
1089	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1090	# all maps in C++...	1260	# all maps in C++...
1091	sub change_all_map_light {	1261	sub change_all_map_light {
1092	my ($change) = @_;	1262	my ($change) = @_;
1093		1263
1094	$_->change_map_light ($change) for values %cf::MAP;	1264	$_->change_map_light ($change)
		1265	for grep $_->outdoor, values %cf::MAP;
1095	}	1266	}
1096		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->save_path);
		1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1274	}
		1275
1097	sub try_load_header($) {	1276	sub load_header_from($) {
1098	my ($path) = @_;	1277	my ($self, $path) = @_;
1099		1278
1100	utf8::encode $path;	1279	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1102	or return;	1281	or return;
1103		1282
1104	my $map = cf::map::new	1283	$self->_load_header ($path)
1105	or return;	1284	or return;
1106		1285
1107	$map->load_header ($path)	1286	$self->{load_path} = $path;
		1287
		1288	1
		1289	}
		1290
		1291	sub load_orig {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->load_path)
		1295	}
		1296
		1297	sub load_temp {
		1298	my ($self) = @_;
		1299
		1300	$self->load_header_from ($self->save_path)
		1301	}
		1302
		1303	sub load_header {
		1304	my ($self) = @_;
		1305
		1306	if ($self->load_temp) {
		1307	$self->last_access ((delete $self->{last_access})
		1308	|| $cf::RUNTIME); #d#
		1309	# safety
		1310	$self->{instantiate_time} = $cf::RUNTIME
		1311	if $self->{instantiate_time} > $cf::RUNTIME;
		1312	} else {
		1313	$self->load_orig
1108	or return;	1314	or return;
1109		1315
1110	$map->{load_path} = $path;	1316	$self->{load_original} = 1;
		1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
1111		1321
1112	$map	1322	1
1113	}	1323	}
1114		1324
		1325	sub find;
1115	sub find_map {	1326	sub find {
1116	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1117		1328
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1330
		1331	cf::lock_wait "map_find:$path";
		1332
1123	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1124	# do it the slow way	1334	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1335	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1336	or return;
1139		1337
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1153		1342
1154	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1345	$map->reset;
		1346	undef $guard;
1156	$map = find_map $path;	1347	$map = find $path
		1348	or return;
1157	}	1349	}
1158		1350
1159	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1160	}	1352	}
1161	}	1353	}
1162		1354
1163	sub load {	1355	sub load {
1164	my ($self) = @_;	1356	my ($self) = @_;
1165		1357
		1358	my $path = $self->{path};
		1359	my $guard = cf::lock_acquire "map_load:$path";
		1360
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1362
1168	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1169		1364
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1365	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1367	or return;
1175		1368
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1370	if delete $self->{load_original};
1178		1371
1179	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1373	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1375	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1184	}	1377	}
1185	}	1378	}
		1379
		1380	Coro::cede;
1186		1381
1187	# now do the right thing for maps	1382	# now do the right thing for maps
1188	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1189		1384
1190	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1386	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1197	$self->set_darkness_map;	1390	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1200	$self->activate;	1394	$self->activate;
1201	}	1395	}
1202		1396
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1398	}
1205		1399
1206	sub load_map_sync {	1400	sub customise_for {
		1401	my ($self, $ob) = @_;
		1402
		1403	return find "~" . $ob->name . "/" . $self->{path}
		1404	if $self->per_player;
		1405
		1406	$self
		1407	}
		1408
		1409	# find and load all maps in the 3x3 area around a map
		1410	sub load_diag {
		1411	my ($map) = @_;
		1412
		1413	my @diag; # diagonal neighbours
		1414
		1415	for (0 .. 3) {
		1416	my $neigh = $map->tile_path ($_)
		1417	or next;
		1418	$neigh = find $neigh, $map
		1419	or next;
		1420	$neigh->load;
		1421
		1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1424	}
		1425
		1426	for (@diag) {
		1427	my $neigh = find @$_
		1428	or next;
		1429	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1207	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1208		1435
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1210		1438
1211	cf::sync_job {	1439	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
		1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = Coro::async {
		1447	while () {
		1448	for my $path (keys %MAP_PREFETCH) {
		1449	my $map = find $path
1213	or return;	1450	or next;
1214	$map->load;	1451	$map->load;
1215	$map	1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
1216	}	1456	}
		1457	};
		1458
		1459	sub find_async {
		1460	my ($path, $origin) = @_;
		1461
		1462	$path = normalise $path, $origin && $origin->{path};
		1463
		1464	if (my $map = $cf::MAP{$path}) {
		1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1466	}
		1467
		1468	$MAP_PREFETCH{$path} = 0;
		1469	$MAP_PREFETCHER->ready;
		1470
		1471	()
1217	}	1472	}
1218		1473
1219	sub save {	1474	sub save {
1220	my ($self) = @_;	1475	my ($self) = @_;
1221		1476
		1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1478
1222	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1223		1480
1224	return unless $self->dirty;	1481	return unless $self->dirty;
1225		1482
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1483	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1485
1229	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1230		1487
1231	return if $self->{deny_save};	1488	return if $self->{deny_save};
1232		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1233	if ($uniq) {	1496	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1499	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1501	}
1239	}	1502	}
1240		1503
1241	sub swap_out {	1504	sub swap_out {
1242	my ($self) = @_;	1505	my ($self) = @_;
		1506
		1507	# save first because save cedes
		1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1511
1244	return if $self->players;	1512	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1514	return if $self->{deny_save};
1247		1515
1248	$self->save;
1249	$self->clear;	1516	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1517	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1518	}
1252		1519
1253	sub reset_at {	1520	sub reset_at {
1254	my ($self) = @_;	1521	my ($self) = @_;
1255		1522
1256	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1259		1526
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1529
…		…
1267	my ($self) = @_;	1534	my ($self) = @_;
1268		1535
1269	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1270	}	1537	}
1271		1538
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1539	sub reset {
1294	my ($self) = @_;	1540	my ($self) = @_;
1295		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1296	return if $self->players;	1544	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1298		1546
1299	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1300		1548
1301	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1302		1553
1303	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1304		1555
1305	$self->unlink_save;	1556	$self->unlink_save;
1306	$self->destroy;	1557	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1560	my $nuke_counter = "aaaa";
1310		1561
1311	sub nuke {	1562	sub nuke {
1312	my ($self) = @_;	1563	my ($self) = @_;
1313		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1571	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1572	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
1317	$self->reset; # polite request, might not happen	1577	$self->reset; # polite request, might not happen
1318	}	1578	}
1319		1579
1320	sub customise_for {	1580	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1581
1323	if ($map->per_player) {	1582	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1583	instantiated unique items. May block.
1325	}
1326		1584
1327	$map	1585	=cut
1328	}
1329		1586
1330	sub emergency_save {	1587	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
1332		1590
1333	warn "enter emergency map save\n";	1591	my @paths;
1334		1592
1335	cf::sync_job {	1593	for (@$files) {
1336	warn "begin emergency map save\n";	1594	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1338	};	1600	}
1339		1601
1340	warn "end emergency map save\n";	1602	\@paths
1341	}	1603	}
1342		1604
1343	package cf;	1605	package cf;
1344		1606
1345	=back	1607	=back
1346		1608
		1609	=head3 cf::object
		1610
		1611	=cut
		1612
		1613	package cf::object;
		1614
		1615	=over 4
		1616
		1617	=item $ob->inv_recursive
		1618
		1619	Returns the inventory of the object _and_ their inventories, recursively.
		1620
		1621	=cut
		1622
		1623	sub inv_recursive_;
		1624	sub inv_recursive_ {
		1625	map { $_, inv_recursive_ $_->inv } @_
		1626	}
		1627
		1628	sub inv_recursive {
		1629	inv_recursive_ inv $_[0]
		1630	}
		1631
		1632	package cf;
		1633
		1634	=back
1347		1635
1348	=head3 cf::object::player	1636	=head3 cf::object::player
1349		1637
1350	=over 4	1638	=over 4
1351		1639
…		…
1391		1679
1392	=item $player_object->enter_link	1680	=item $player_object->enter_link
1393		1681
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1682	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1683
1396	The player should be reaosnably safe there for short amounts of time. You	1684	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1685	I<MUST> call C<leave_link> as soon as possible, though.
1398		1686
		1687	Will never block.
		1688
1399	=item $player_object->leave_link ($map, $x, $y)	1689	=item $player_object->leave_link ($map, $x, $y)
1400		1690
1401	Moves the player out of the specila link map onto the given map. If the	1691	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1692	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1693	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1694	fails, to the emergency map position.
1405		1695
1406	Might block.	1696	Might block.
1407		1697
1408	=cut	1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($LINK_MAP) {
		1702	$LINK_MAP = cf::map::find "{link}"
		1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1704	$LINK_MAP->load;
		1705	}
		1706
		1707	$LINK_MAP
		1708	}
1409		1709
1410	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1711	my ($self) = @_;
1412		1712
1413	return if $self->map == $LINK_MAP;	1713	$self->deactivate_recursive;
1414		1714
		1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1716
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1718	if $self->map;
1417		1719
1418	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1721	}
1421		1722
1422	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1424		1725
1425	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1426		1727
1427	unless ($map) {	1728	unless ($map) {
1428	# restore original map position	1729	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1431		1732
1432	unless ($map) {	1733	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1436	}	1737	}
1437	}	1738	}
1438		1739
1439	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1445		1746
1446	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1447		1749
		1750	return unless $self->contr->active;
1448	$self->activate_recursive;	1751	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1450	}	1753	}
1451		1754
		1755	cf::player->attach (
		1756	on_logout => sub {
		1757	my ($pl) = @_;
		1758
		1759	# abort map switching before logout
		1760	if ($pl->ob->{_link_pos}) {
		1761	cf::sync_job {
		1762	$pl->ob->leave_link
		1763	};
		1764	}
		1765	},
		1766	on_login => sub {
		1767	my ($pl) = @_;
		1768
		1769	# try to abort aborted map switching on player login :)
		1770	# should happen only on crashes
		1771	if ($pl->ob->{_link_pos}) {
		1772	$pl->ob->enter_link;
		1773	(async {
		1774	# we need this sleep as the login has a concurrent enter_exit running
		1775	# and this sleep increases chances of the player not ending up in scorn
		1776	$pl->ob->reply (undef,
		1777	"There was an internal problem at your last logout, "
		1778	. "the server will try to bring you to your intended destination in a second.",
		1779	cf::NDI_RED);
		1780	Coro::Timer::sleep 1;
		1781	$pl->ob->leave_link;
		1782	})->prio (2);
		1783	}
		1784	},
		1785	);
		1786
1452	=item $player_object->goto_map ($path, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1453		1788
1454	=cut	1789	=cut
1455		1790
1456	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1458		1793
1459	$self->enter_link;	1794	$self->enter_link;
1460		1795
1461	(Coro::async {	1796	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1466		1799
1467	warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	if $map;	1801	# if $map;
1469		1802
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1804
1472	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1806	})->prio (1);
1474	}	1807	}
1475		1808
…		…
1479		1812
1480	sub parse_random_map_params {	1813	sub parse_random_map_params {
1481	my ($spec) = @_;	1814	my ($spec) = @_;
1482		1815
1483	my $rmp = { # defaults	1816	my $rmp = { # defaults
1484	xsize => 10,	1817	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1818	ysize => (cf::rndm 15, 40),
		1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1820	#layout => string
1486	};	1821	};
1487		1822
1488	for (split /\n/, $spec) {	1823	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1824	my ($k, $v) = split /\s+/, $_, 2;
1490		1825
…		…
1494	$rmp	1829	$rmp
1495	}	1830	}
1496		1831
1497	sub prepare_random_map {	1832	sub prepare_random_map {
1498	my ($exit) = @_;	1833	my ($exit) = @_;
		1834
		1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1836
1500	# all this does is basically replace the /! path by	1837	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1838	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1839	# that depends on the exit object
1503		1840
…		…
1512		1849
1513	$rmp->{random_seed} ||= $exit->random_seed;	1850	$rmp->{random_seed} ||= $exit->random_seed;
1514		1851
1515	my $data = cf::to_json $rmp;	1852	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1853	my $md5 = Digest::MD5::md5_hex $data;
		1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1855
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1857	aio_write $fh, 0, (length $data), $data, 0;
		1858	undef $fh;
		1859	aio_rename "$meta~", $meta;
1520		1860
1521	$exit->slaying ("?random/$md5");	1861	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1862	$exit->msg (undef);
1523	}	1863	}
1524	}	1864	}
…		…
1528		1868
1529	return unless $self->type == cf::PLAYER;	1869	return unless $self->type == cf::PLAYER;
1530		1870
1531	$self->enter_link;	1871	$self->enter_link;
1532		1872
1533	(Coro::async {	1873	(async {
		1874	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1875	unless (eval {
1535
1536	prepare_random_map $exit	1876	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1877	if $exit->slaying eq "/!";
1538		1878
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1881
1542	1;	1882	1;
1543	}) {	1883	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1884	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1885	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1886	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1887	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1888
1549	warn "ERROR in enter_exit: $@";	1889	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1890	$self->leave_link;
1551	}	1891	}
…		…
1602	on_reply => sub {	1942	on_reply => sub {
1603	my ($ns, $msg) = @_;	1943	my ($ns, $msg) = @_;
1604		1944
1605	# this weird shuffling is so that direct followup queries	1945	# this weird shuffling is so that direct followup queries
1606	# get handled first	1946	# get handled first
1607	my $queue = delete $ns->{query_queue};	1947	my $queue = delete $ns->{query_queue}
		1948	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1949
1609	(shift @$queue)->[1]->($msg);	1950	(shift @$queue)->[1]->($msg);
1610		1951
1611	push @{ $ns->{query_queue} }, @$queue;	1952	push @{ $ns->{query_queue} }, @$queue;
1612		1953
…		…
1618	}	1959	}
1619	}	1960	}
1620	},	1961	},
1621	);	1962	);
1622		1963
1623	=item $client->coro (\&cb)	1964	=item $client->async (\&cb)
1624		1965
1625	Create a new coroutine, running the specified callback. The coroutine will	1966	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1967	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1968	or loss of connection).
1628		1969
1629	=cut	1970	=cut
1630		1971
1631	sub cf::client::coro {	1972	sub cf::client::async {
1632	my ($self, $cb) = @_;	1973	my ($self, $cb) = @_;
1633		1974
1634	my $coro; $coro = async {	1975	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		1976
1641	$coro->on_destroy (sub {	1977	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	1978	delete $self->{_coro}{$coro+0};
1643	});	1979	});
1644		1980
…		…
1816		2152
1817	{	2153	{
1818	my $path = cf::localdir . "/database.pst";	2154	my $path = cf::localdir . "/database.pst";
1819		2155
1820	sub db_load() {	2156	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2157	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2158	}
1824		2159
1825	my $pid;	2160	my $pid;
1826		2161
1827	sub db_save() {	2162	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2163	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2164	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2165	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2166	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2167	rename "$path~", $path;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2215	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2216	or return;
1883		2217
1884	local $/;	2218	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2219	*CFG = YAML::Syck::Load <$fh>;
		2220
		2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2222
		2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2225
		2226	if (exists $CFG{mlockall}) {
		2227	eval {
		2228	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2229	and die "WARNING: m(un)lockall failed: $!\n";
		2230	};
		2231	warn $@ if $@;
		2232	}
1886	}	2233	}
1887		2234
1888	sub main {	2235	sub main {
1889	# we must not ever block the main coroutine	2236	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2237	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2239	(async {
1893	Event::one_event;	2240	Event::one_event;
1894	})->();	2241	})->prio (Coro::PRIO_MAX);
1895	};	2242	};
1896		2243
1897	cfg_load;	2244	cfg_load;
1898	db_load;	2245	db_load;
1899	load_extensions;	2246	load_extensions;
1900	Event::loop;	2247	Event::loop;
1901	}	2248	}
1902		2249
1903	#############################################################################	2250	#############################################################################
1904	# initialisation	2251	# initialisation and cleanup
		2252
		2253	# install some emergency cleanup handlers
		2254	BEGIN {
		2255	for my $signal (qw(INT HUP TERM)) {
		2256	Event->signal (
		2257	data => WF_AUTOCANCEL,
		2258	signal => $signal,
		2259	cb => sub {
		2260	cf::cleanup "SIG$signal";
		2261	},
		2262	);
		2263	}
		2264	}
		2265
		2266	sub emergency_save() {
		2267	my $freeze_guard = cf::freeze_mainloop;
		2268
		2269	warn "enter emergency perl save\n";
		2270
		2271	cf::sync_job {
		2272	# use a peculiar iteration method to avoid tripping on perl
		2273	# refcount bugs in for. also avoids problems with players
		2274	# and maps saved/destroyed asynchronously.
		2275	warn "begin emergency player save\n";
		2276	for my $login (keys %cf::PLAYER) {
		2277	my $pl = $cf::PLAYER{$login} or next;
		2278	$pl->valid or next;
		2279	$pl->save;
		2280	}
		2281	warn "end emergency player save\n";
		2282
		2283	warn "begin emergency map save\n";
		2284	for my $path (keys %cf::MAP) {
		2285	my $map = $cf::MAP{$path} or next;
		2286	$map->valid or next;
		2287	$map->save;
		2288	}
		2289	warn "end emergency map save\n";
		2290	};
		2291
		2292	warn "leave emergency perl save\n";
		2293	}
1905		2294
1906	sub reload() {	2295	sub reload() {
1907	# can/must only be called in main	2296	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2297	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2298	warn "can only reload from main coroutine\n";
1910	return;	2299	return;
1911	}	2300	}
1912		2301
1913	warn "reloading...";	2302	warn "reloading...";
1914		2303
1915	local $FREEZE = 1;	2304	warn "freezing server";
		2305	my $guard = freeze_mainloop;
1916	cf::emergency_save;	2306	cf::emergency_save;
		2307
		2308	warn "sync database to disk";
		2309	cf::db_sync;
		2310	IO::AIO::flush;
1917		2311
1918	eval {	2312	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2313	# if anything goes wrong in here, we should simply crash as we already saved
1920		2314
1921	# cancel all watchers	2315	warn "cancel all watchers";
1922	for (Event::all_watchers) {	2316	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2317	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2318	}
1925		2319
1926	# cancel all extension coros	2320	warn "cancel all extension coros";
1927	$_->cancel for values %EXT_CORO;	2321	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2322	%EXT_CORO = ();
1929		2323
		2324	warn "remove commands";
		2325	%COMMAND = ();
		2326
		2327	warn "remove ext commands";
		2328	%EXTCMD = ();
		2329
1930	# unload all extensions	2330	warn "unload/nuke all extensions";
1931	for (@exts) {	2331	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2332	warn "... unloading $pkg";
1933	unload_extension $_;	2333
		2334	if (my $cb = $pkg->can ("unload")) {
		2335	eval {
		2336	$cb->($pkg);
		2337	1
		2338	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2339	}
1935		2340
		2341	warn "... nuking $pkg";
		2342	Symbol::delete_package $pkg;
		2343	}
		2344
1936	# unload all modules loaded from $LIBDIR	2345	warn "unload all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2346	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2348
1940	warn "removing <$k>";	2349	warn "removing <$k>";
1941	delete $INC{$k};	2350	delete $INC{$k};
…		…
1948	}	2357	}
1949		2358
1950	Symbol::delete_package $k;	2359	Symbol::delete_package $k;
1951	}	2360	}
1952		2361
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2362	warn "get rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2363	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2365
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2366	warn "unload cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2367	delete $INC{"cf.pm"};
1966		2368
1967	# don't, removes xs symbols, too,	2369	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2370	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2371	#Symbol::delete_package __PACKAGE__;
1970		2372
1971	# reload cf.pm
1972	warn "reloading cf.pm";	2373	warn "reloading cf.pm";
1973	require cf;	2374	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2376
1976	# load config and database again	2377	warn "load config and database again";
1977	cf::cfg_load;	2378	cf::cfg_load;
1978	cf::db_load;	2379	cf::db_load;
1979		2380
1980	# load extensions
1981	warn "load extensions";	2381	warn "load extensions";
1982	cf::load_extensions;	2382	cf::load_extensions;
1983		2383
1984	# reattach attachments to objects	2384	warn "reattach attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2385	_global_reattach;
		2386	warn "reattach attachments to maps";
		2387	reattach $_ for values %MAP;
1987	};	2388	};
1988		2389
1989	if ($@) {	2390	if ($@) {
1990	warn $@;	2391	warn $@;
1991	warn "error while reloading, exiting.";	2392	warn "error while reloading, exiting.";
1992	exit 1;	2393	exit 1;
1993	}	2394	}
1994		2395
1995	warn "reloaded successfully";	2396	warn "reloaded";
1996	};	2397	};
1997		2398
1998	#############################################################################	2399	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2400
2043	register_command "reload" => sub {	2401	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2402	my ($who, $arg) = @_;
2045		2403
2046	if ($who->flag (FLAG_WIZ)) {	2404	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2405	$who->message ("reloading server.");
		2406
		2407	# doing reload synchronously and two reloads happen back-to-back,
		2408	# coro crashes during coro_state_free->destroy here.
		2409
		2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2048	reload;	2411	reload;
2049	$who->message ("end of reload.");	2412	undef $RELOAD_WATCHER;
		2413	});
2050	}	2414	}
2051	};	2415	};
2052		2416
2053	unshift @INC, $LIBDIR;	2417	unshift @INC, $LIBDIR;
2054		2418
…		…
2056	reentrant => 0,	2420	reentrant => 0,
2057	prio => 0,	2421	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2422	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2423	data => WF_AUTOCANCEL,
2060	cb => sub {	2424	cb => sub {
2061	unless ($FREEZE) {	2425	$NOW = Event::time;
		2426
2062	cf::server_tick; # one server iteration	2427	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2428	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2429	$NEXT_TICK += $TICK;
		2430
		2431	$WAIT_FOR_TICK->broadcast;
		2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2433
2068	# if we are delayed by four ticks or more, skip them all	2434	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2436
2071	$TICK_WATCHER->at ($NEXT_TICK);	2437	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2073	},	2439	},
2074	);	2440	);
2075		2441
2076	IO::AIO::max_poll_time $TICK * 0.2;	2442	IO::AIO::max_poll_time $TICK * 0.2;
2077		2443
2078	Event->io (	2444	$AIO_POLL_WATCHER = Event->io (
2079	fd => IO::AIO::poll_fileno,	2445	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2446	poll => 'r',
2081	prio => 5,	2447	prio => 5,
2082	data => WF_AUTOCANCEL,	2448	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2449	cb => \&IO::AIO::poll_cb,
2084	);	2450	);
2085		2451
2086	Event->timer (	2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2087	data => WF_AUTOCANCEL,	2453	data => WF_AUTOCANCEL,
2088	after => 0,	2454	after => 0,
2089	interval => 10,	2455	interval => 10,
2090	cb => sub {	2456	cb => sub {
2091	(Coro::unblock_sub {	2457	(Coro::unblock_sub {
…		…
2093	or warn "ERROR: unable to write runtime file: $!";	2459	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	2460	})->();
2095	},	2461	},
2096	);	2462	);
2097		2463
		2464	END { cf::emergency_save }
		2465
2098	1	2466	1
2099		2467

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