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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.185 by root, Fri Jan 19 23:32:52 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=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	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
221	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
223	}	258	}
224	}	259	}
225		260
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	261	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
244		263
245	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
246	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
247	$guard	270	$guard
248	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
272	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
307		339
308	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
310	});	342	});
311	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
336	}	368	}
337		369
338	=back	370	=back
339		371
340	=cut	372	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		373
462	#############################################################################	374	#############################################################################
463		375
464	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
465		377
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	504	our @CB_MAP = ();
593		505
594	my %attachment;	506	my %attachment;
595		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
596	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
598		516
599	use sort 'stable';	517	use sort 'stable';
600		518
…		…
771	# object support	689	# object support
772		690
773	sub reattach {	691	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		696
777	my $registry = $obj->registry;	697	my $registry = $obj->registry;
778		698
779	@$registry = ();	699	@$registry = ();
780		700
…		…
912	=cut	832	=cut
913		833
914	sub register_extcmd {	834	sub register_extcmd {
915	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
916		836
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
921	}	838	}
922		839
923	cf::player->attach (	840	cf::player->attach (
924	on_command => sub {	841	on_command => sub {
925	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
938		855
939	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
940		857
941	if (ref $msg) {	858	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	862	}
946	}	863	}
947	} else {	864	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		867
951	cf::override;	868	cf::override;
952	},	869	},
953	);	870	);
954		871
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	872	sub load_extension {
962	my ($path) = @_;	873	my ($path) = @_;
963		874
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	876	my $base = $1;
966	my $pkg = $1;	877	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
969		880
970	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
971		882
972	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
973	or die "$path: $!";	884	or die "$path: $!";
974		885
975	my $source =	886	my $source =
976	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
979	. "\n};\n1";	890	. "\n};\n1";
980		891
981	eval $source	892	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	894	: "extension disabled.\n";
984		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	896	warn $@;
986	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
987		898	exit 1;
988	# no strict 'refs';	899	}
989	# @{"$pkg\::ISA"} = ext::;	900	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	901	}
1004		902
1005	# remove commands	903	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	904	}
1030		905
1031	sub load_extensions {	906	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	908	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1038	}	913	}
1039	}	914	}
1040		915
1041	#############################################################################	916	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		917
1079	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1080		919
1081	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1082		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1083	=head3 cf::player	928	=head3 cf::player
1084		929
1085	=over 4	930	=over 4
1086		931
1087	=item cf::player::exists $login	932	=item cf::player::find $login
1088		933
1089	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1090		935
1091	=cut	936	=cut
1092		937
1093	sub cf::player::exists($) {	938	sub playerdir($) {
1094	cf::player::find $_[0]	939	cf::localdir
1095	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
1096	}	1085	}
1097		1086
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1088
1100	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1101		1090
1102	=cut	1091	=cut
1103		1092
1104	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1106		1095
1107	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1108		1097
1109	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1110	}	1099	}
		1100
		1101	package cf;
1111		1102
1112	=back	1103	=back
1113		1104
1114		1105
1115	=head3 cf::map	1106	=head3 cf::map
…		…
1121	package cf::map;	1112	package cf::map;
1122		1113
1123	use Fcntl;	1114	use Fcntl;
1124	use Coro::AIO;	1115	use Coro::AIO;
1125		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1126	our $MAX_RESET = 3600;	1121	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1122	our $DEFAULT_RESET = 3000;
1128		1123
1129	sub generate_random_map {	1124	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1127	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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
1146	}	1257	}
1147		1258
1148	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1149	# all maps in C++...	1260	# all maps in C++...
1150	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1152		1263
1153	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1155	}	1266	}
1156		1267
		1268	sub unlink_save {
		1269	my ($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
1157	sub try_load_header($) {	1276	sub load_header_from($) {
1158	my ($path) = @_;	1277	my ($self, $path) = @_;
1159		1278
1160	utf8::encode $path;	1279	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1162	or return;	1281	or return;
1163		1282
1164	my $map = cf::map::new	1283	$self->_load_header ($path)
1165	or return;	1284	or return;
1166		1285
1167	# for better error messages only, will be overwritten	1286	$self->{load_path} = $path;
1168	$map->path ($path);
1169		1287
1170	$map->load_header ($path)	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
1171	or return;	1314	or return;
1172		1315
1173	$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	}
1174		1321
1175	$map	1322	1
1176	}	1323	}
1177		1324
1178	sub find;	1325	sub find;
1179	sub find {	1326	sub find {
1180	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1181		1328
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1330
1187	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1188		1332
1189	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1191		1335	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1336	or return;
1211		1337
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1224		1339
1225	Coro::cede;	1340	$map->load_header
		1341	or return;
1226		1342
1227	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	# doing this can freeze the server in a sync job, obviously
		1345	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1346	$map->reset;
1229	undef $guard;	1347	undef $guard;
1230	$map = find $path	1348	$map = find $path
1231	or return;	1349	or return;
1232	}	1350	}
1233		1351
1234	$cf::MAP{$key} = $map	1352	$cf::MAP{$path} = $map
1235	}	1353	}
1236	}	1354	}
1237		1355
1238	sub load {	1356	sub load {
1239	my ($self) = @_;	1357	my ($self) = @_;
1240		1358
1241	my $path = $self->{path};	1359	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1360	my $guard = cf::lock_acquire "map_load:$path";
1243		1361
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1362	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1363
1246	$self->in_memory (cf::MAP_LOADING);	1364	$self->in_memory (cf::MAP_LOADING);
1247		1365
1248	$self->alloc;	1366	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	1367	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1368	or return;
1251		1369
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1371	if delete $self->{load_original};
1254		1372
1255	if (my $uniq = $path->uniq_path) {	1373	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1374	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1375	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1376	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1377	$self->_load_objects ($uniq, 0);
1260	}	1378	}
1261	}	1379	}
1262		1380
1263	Coro::cede;	1381	Coro::cede;
1264		1382
1265	# now do the right thing for maps	1383	# now do the right thing for maps
1266	$self->link_multipart_objects;	1384	$self->link_multipart_objects;
1267		1385
1268	if ($self->{path}->is_style_map) {	1386	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1387	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1388	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1389	$self->update_buttons;
		1390	Coro::cede;
1275	$self->set_darkness_map;	1391	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1392	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1393	unless $self->difficulty;
		1394	Coro::cede;
1278	$self->activate;	1395	$self->activate;
1279	}	1396	}
1280		1397
1281	Coro::cede;
1282
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1398	$self->in_memory (cf::MAP_IN_MEMORY);
		1399	}
		1400
		1401	sub customise_for {
		1402	my ($self, $ob) = @_;
		1403
		1404	return find "~" . $ob->name . "/" . $self->{path}
		1405	if $self->per_player;
		1406
		1407	$self
		1408	}
		1409
		1410	# find and load all maps in the 3x3 area around a map
		1411	sub load_diag {
		1412	my ($map) = @_;
		1413
		1414	my @diag; # diagonal neighbours
		1415
		1416	for (0 .. 3) {
		1417	my $neigh = $map->tile_path ($_)
		1418	or next;
		1419	$neigh = find $neigh, $map
		1420	or next;
		1421	$neigh->load;
		1422
		1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1425	}
		1426
		1427	for (@diag) {
		1428	my $neigh = find @$_
		1429	or next;
		1430	$neigh->load;
		1431	}
1284	}	1432	}
1285		1433
1286	sub find_sync {	1434	sub find_sync {
1287	my ($path, $origin) = @_;	1435	my ($path, $origin) = @_;
1288		1436
1289	cf::sync_job { cf::map::find $path, $origin }	1437	cf::sync_job { find $path, $origin }
1290	}	1438	}
1291		1439
1292	sub do_load_sync {	1440	sub do_load_sync {
1293	my ($map) = @_;	1441	my ($map) = @_;
1294		1442
1295	cf::sync_job { $map->load };	1443	cf::sync_job { $map->load };
1296	}	1444	}
1297		1445
		1446	our %MAP_PREFETCH;
		1447	our $MAP_PREFETCHER = undef;
		1448
		1449	sub find_async {
		1450	my ($path, $origin) = @_;
		1451
		1452	$path = normalise $path, $origin && $origin->{path};
		1453
		1454	if (my $map = $cf::MAP{$path}) {
		1455	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1456	}
		1457
		1458	undef $MAP_PREFETCH{$path};
		1459	$MAP_PREFETCHER ||= cf::async {
		1460	while (%MAP_PREFETCH) {
		1461	for my $path (keys %MAP_PREFETCH) {
		1462	my $map = find $path
		1463	or next;
		1464	$map->load;
		1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
		1470	};
		1471
		1472	()
		1473	}
		1474
1298	sub save {	1475	sub save {
1299	my ($self) = @_;	1476	my ($self) = @_;
1300		1477
		1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1479
1301	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1302		1481
1303	return unless $self->dirty;	1482	return unless $self->dirty;
1304		1483
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1484	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1486
1308	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1309		1488
1310	return if $self->{deny_save};	1489	return if $self->{deny_save};
1311		1490
1312	local $self->{last_access} = $self->last_access;#d#	1491	local $self->{last_access} = $self->last_access;#d#
1313		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1314	if ($uniq) {	1497	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1500	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1502	}
1320	}	1503	}
1321		1504
1322	sub swap_out {	1505	sub swap_out {
1323	my ($self) = @_;	1506	my ($self) = @_;
1324		1507
1325	# save first because save cedes	1508	# save first because save cedes
1326	$self->save;	1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1512
1328	return if $self->players;	1513	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1515	return if $self->{deny_save};
1331		1516
…		…
1335		1520
1336	sub reset_at {	1521	sub reset_at {
1337	my ($self) = @_;	1522	my ($self) = @_;
1338		1523
1339	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1342		1527
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1530
…		…
1350	my ($self) = @_;	1535	my ($self) = @_;
1351		1536
1352	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1353	}	1538	}
1354		1539
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1540	sub reset {
1377	my ($self) = @_;	1541	my ($self) = @_;
1378		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1379	return if $self->players;	1545	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1381		1547
1382	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1383		1549
1384	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1385		1554
1386	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1387		1556
1388	$self->unlink_save;	1557	$self->unlink_save;
1389	$self->destroy;	1558	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1561	my $nuke_counter = "aaaa";
1393		1562
1394	sub nuke {	1563	sub nuke {
1395	my ($self) = @_;	1564	my ($self) = @_;
1396		1565
		1566	delete $cf::MAP{$self->path};
		1567
		1568	$self->unlink_save;
		1569
		1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1572	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1573	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1575
		1576	$cf::MAP{$self->path} = $self;
		1577
1400	$self->reset; # polite request, might not happen	1578	$self->reset; # polite request, might not happen
1401	}	1579	}
1402		1580
1403	sub customise_for {	1581	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1582
1406	if ($map->per_player) {	1583	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1584	instantiated unique items. May block.
1408	}
1409		1585
1410	$map	1586	=cut
1411	}
1412		1587
1413	sub emergency_save {	1588	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
1415		1591
1416	warn "enter emergency map save\n";	1592	my @paths;
1417		1593
1418	cf::sync_job {	1594	for (@$files) {
1419	warn "begin emergency map save\n";	1595	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1421	};	1601	}
1422		1602
1423	warn "end emergency map save\n";	1603	\@paths
1424	}	1604	}
1425		1605
1426	package cf;	1606	package cf;
1427		1607
1428	=back	1608	=back
1429		1609
		1610	=head3 cf::object
		1611
		1612	=cut
		1613
		1614	package cf::object;
		1615
		1616	=over 4
		1617
		1618	=item $ob->inv_recursive
		1619
		1620	Returns the inventory of the object _and_ their inventories, recursively.
		1621
		1622	=cut
		1623
		1624	sub inv_recursive_;
		1625	sub inv_recursive_ {
		1626	map { $_, inv_recursive_ $_->inv } @_
		1627	}
		1628
		1629	sub inv_recursive {
		1630	inv_recursive_ inv $_[0]
		1631	}
		1632
		1633	package cf;
		1634
		1635	=back
1430		1636
1431	=head3 cf::object::player	1637	=head3 cf::object::player
1432		1638
1433	=over 4	1639	=over 4
1434		1640
…		…
1474		1680
1475	=item $player_object->enter_link	1681	=item $player_object->enter_link
1476		1682
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1683	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1684
1479	The player should be reaosnably safe there for short amounts of time. You	1685	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1686	I<MUST> call C<leave_link> as soon as possible, though.
1481		1687
		1688	Will never block.
		1689
1482	=item $player_object->leave_link ($map, $x, $y)	1690	=item $player_object->leave_link ($map, $x, $y)
1483		1691
1484	Moves the player out of the specila link map onto the given map. If the	1692	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1693	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1694	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1695	fails, to the emergency map position.
1488		1696
1489	Might block.	1697	Might block.
1490		1698
1491	=cut	1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($LINK_MAP) {
		1703	$LINK_MAP = cf::map::find "{link}"
		1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1705	$LINK_MAP->load;
		1706	}
		1707
		1708	$LINK_MAP
		1709	}
1492		1710
1493	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1712	my ($self) = @_;
1495		1713
1496	$self->deactivate_recursive;	1714	$self->deactivate_recursive;
1497		1715
1498	return if $self->map == $LINK_MAP;	1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1717
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1719	if $self->map;
1502		1720
1503	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1504	}	1722	}
1505		1723
1506	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1508		1726
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1529		1747
1530	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1531		1750
		1751	return unless $self->contr->active;
1532	$self->activate_recursive;	1752	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1534	}	1754	}
1535		1755
1536	cf::player->attach (	1756	cf::player->attach (
…		…
1549		1769
1550	# try to abort aborted map switching on player login :)	1770	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1771	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1772	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1773	$pl->ob->enter_link;
1554	cf::async {	1774	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1775	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1776	# and this sleep increases chances of the player not ending up in scorn
		1777	$pl->ob->reply (undef,
		1778	"There was an internal problem at your last logout, "
		1779	. "the server will try to bring you to your intended destination in a second.",
		1780	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1781	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1782	$pl->ob->leave_link;
1559	};	1783	})->prio (2);
1560	}	1784	}
1561	},	1785	},
1562	);	1786	);
1563		1787
1564	=item $player_object->goto_map ($path, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1565		1789
1566	=cut	1790	=cut
1567		1791
1568	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1570		1794
1571	$self->enter_link;	1795	$self->enter_link;
1572		1796
1573	(cf::async {	1797	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find $path->as_string;	1798	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1578		1800
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1802	# if $map;
1581		1803
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1805
1584	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1807	})->prio (1);
1586	}	1808	}
1587		1809
…		…
1591		1813
1592	sub parse_random_map_params {	1814	sub parse_random_map_params {
1593	my ($spec) = @_;	1815	my ($spec) = @_;
1594		1816
1595	my $rmp = { # defaults	1817	my $rmp = { # defaults
1596	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1598	};	1822	};
1599		1823
1600	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1602		1826
…		…
1606	$rmp	1830	$rmp
1607	}	1831	}
1608		1832
1609	sub prepare_random_map {	1833	sub prepare_random_map {
1610	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1837
1612	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1840	# that depends on the exit object
1615		1841
…		…
1624		1850
1625	$rmp->{random_seed} ||= $exit->random_seed;	1851	$rmp->{random_seed} ||= $exit->random_seed;
1626		1852
1627	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1856
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1858	aio_write $fh, 0, (length $data), $data, 0;
		1859	undef $fh;
		1860	aio_rename "$meta~", $meta;
1632		1861
1633	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1863	$exit->msg (undef);
1635	}	1864	}
1636	}	1865	}
…		…
1640		1869
1641	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1642		1871
1643	$self->enter_link;	1872	$self->enter_link;
1644		1873
1645	(cf::async {	1874	(async {
1646	$self->deactivate_recursive; # just to be sure	1875	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1876	unless (eval {
1648	prepare_random_map $exit	1877	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1650		1879
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1882
1654	1;	1883	1;
1655	}) {	1884	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1886	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1888	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1889
1661	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1891	$self->leave_link;
1663	}	1892	}
…		…
1731	}	1960	}
1732	}	1961	}
1733	},	1962	},
1734	);	1963	);
1735		1964
1736	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1737		1966
1738	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	1969	or loss of connection).
1741		1970
1742	=cut	1971	=cut
1743		1972
1744	sub cf::client::coro {	1973	sub cf::client::async {
1745	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1746		1975
1747	my $coro = &cf::async ($cb);	1976	my $coro = &Coro::async ($cb);
1748		1977
1749	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1751	});	1980	});
1752		1981
…		…
1946	sub db_sync() {	2175	sub db_sync() {
1947	db_save if $dirty;	2176	db_save if $dirty;
1948	undef $dirty;	2177	undef $dirty;
1949	}	2178	}
1950		2179
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;	2181	db_sync;
1953	});	2182	});
1954		2183
1955	sub db_dirty() {	2184	sub db_dirty() {
1956	$dirty = 1;	2185	$dirty = 1;
…		…
1990	local $/;	2219	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2220	*CFG = YAML::Syck::Load <$fh>;
1992		2221
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2223
		2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2226
1995	if (exists $CFG{mlockall}) {	2227	if (exists $CFG{mlockall}) {
1996	eval {	2228	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2229	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2230	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2231	};
2000	warn $@ if $@;	2232	warn $@ if $@;
2001	}	2233	}
2002	}	2234	}
2003		2235
2004	sub main {	2236	sub main {
2005	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2240	(async {
2009	Event::one_event;	2241	Event::one_event;
2010	})->();	2242	})->prio (Coro::PRIO_MAX);
2011	};	2243	};
2012		2244
2013	cfg_load;	2245	cfg_load;
2014	db_load;	2246	db_load;
2015	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
2016	Event::loop;	2250	Event::loop;
2017	}	2251	}
2018		2252
2019	#############################################################################	2253	#############################################################################
2020	# initialisation	2254	# initialisation and cleanup
		2255
		2256	# install some emergency cleanup handlers
		2257	BEGIN {
		2258	for my $signal (qw(INT HUP TERM)) {
		2259	Event->signal (
		2260	data => WF_AUTOCANCEL,
		2261	signal => $signal,
		2262	cb => sub {
		2263	cf::cleanup "SIG$signal";
		2264	},
		2265	);
		2266	}
		2267	}
		2268
		2269	sub emergency_save() {
		2270	my $freeze_guard = cf::freeze_mainloop;
		2271
		2272	warn "enter emergency perl save\n";
		2273
		2274	cf::sync_job {
		2275	# use a peculiar iteration method to avoid tripping on perl
		2276	# refcount bugs in for. also avoids problems with players
		2277	# and maps saved/destroyed asynchronously.
		2278	warn "begin emergency player save\n";
		2279	for my $login (keys %cf::PLAYER) {
		2280	my $pl = $cf::PLAYER{$login} or next;
		2281	$pl->valid or next;
		2282	$pl->save;
		2283	}
		2284	warn "end emergency player save\n";
		2285
		2286	warn "begin emergency map save\n";
		2287	for my $path (keys %cf::MAP) {
		2288	my $map = $cf::MAP{$path} or next;
		2289	$map->valid or next;
		2290	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
2021		2297
2022	sub reload() {	2298	sub reload() {
2023	# can/must only be called in main	2299	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
2026	return;	2302	return;
2027	}	2303	}
2028		2304
2029	warn "reloading...";	2305	warn "reloading...";
2030		2306
2031	my $guard = freeze_mainloop;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
2032	cf::emergency_save;	2310	cf::emergency_save;
2033		2311
2034	eval {	2312	eval {
2035	# 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
2036		2314
2037	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2321	}
2041		2322
		2323	warn "flushing outstanding aio requests";
		2324	for (;;) {
		2325	IO::AIO::flush;
		2326	Coro::cede;
		2327	last unless IO::AIO::nreqs;
		2328	warn "iterate...";
		2329	}
		2330
2042	# cancel all extension coros	2331	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2333	%EXT_CORO = ();
2045		2334
2046	# unload all extensions	2335	warn "removing commands";
2047	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2343	warn "... unloading $pkg";
2049	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2350	}
2051		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
2052	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2359
2056	warn "removing <$k>";	2360	warn "... unloading $k";
2057	delete $INC{$k};	2361	delete $INC{$k};
2058		2362
2059	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
2061		2365
…		…
2064	}	2368	}
2065		2369
2066	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
2067	}	2371	}
2068		2372
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2376
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
2082		2379
2083	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2381	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
2086		2383
2087	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
2088	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
2089	require cf;	2387	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2389
2092	# load config and database again	2390	warn "loading config and database again";
2093	cf::cfg_load;	2391	cf::cfg_load;
2094	cf::db_load;	2392	cf::db_load;
2095		2393
2096	# load extensions
2097	warn "load extensions";	2394	warn "loading extensions";
2098	cf::load_extensions;	2395	cf::load_extensions;
2099		2396
2100	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
2103	};	2405	};
2104		2406
2105	if ($@) {	2407	if ($@) {
2106	warn $@;	2408	warn $@;
2107	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
2108	exit 1;	2410	exit 1;
2109	}	2411	}
2110		2412
2111	warn "reloaded successfully";	2413	warn "reloaded";
2112	};	2414	};
2113		2415
2114	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2417
2159	register_command "reload" => sub {	2418	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2419	my ($who, $arg) = @_;
2161		2420
2162	if ($who->flag (FLAG_WIZ)) {	2421	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2422	$who->message ("reloading server.");
		2423
		2424	# doing reload synchronously and two reloads happen back-to-back,
		2425	# coro crashes during coro_state_free->destroy here.
		2426
		2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2164	reload;	2428	reload;
2165	$who->message ("end of reload.");	2429	undef $RELOAD_WATCHER;
		2430	});
2166	}	2431	}
2167	};	2432	};
2168		2433
2169	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
2170		2437
2171	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
2173	prio => 0,	2441	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2442	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
2176	cb => sub {	2444	cb => sub {
		2445	if ($Coro::current != $Coro::main) {
		2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2447	unless ++$bug_warning > 10;
		2448	return;
		2449	}
		2450
		2451	$NOW = Event::time;
		2452
2177	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2455	$NEXT_TICK += $TICK;
		2456
		2457	$WAIT_FOR_TICK->broadcast;
		2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2180		2459
2181	# if we are delayed by four ticks or more, skip them all	2460	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2462
2184	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2186	},	2465	},
2187	);	2466	);
2188		2467
2189	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2190		2469
2191	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2192	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2193	poll => 'r',	2472	poll => 'r',
2194	prio => 5,	2473	prio => 5,
2195	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2197	);	2476	);
2198		2477
2199	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2200	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2201	after => 0,	2480	after => 1,
2202	interval => 10,	2481	interval => 10,
2203	cb => sub {	2482	cb => Coro::unblock_sub {
2204	(Coro::unblock_sub {
2205	write_runtime	2483	write_runtime
2206	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2207	})->();
2208	},	2485	},
2209	);	2486	);
2210		2487
2211	END { cf::emergency_save }	2488	END { cf::emergency_save }
2212		2489

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