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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC vs.
Revision 1.198 by root, Sun Jan 28 01:58:37 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 3.5 ();
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 2.32 ();	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 (Coro::PRIO_MAX); # 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		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
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
52	our %PLAYER; # all users	59	our %PLAYER; # all users
53	our %MAP; # all maps	60	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
77		87
78	#############################################################################	88	#############################################################################
79		89
80	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
105		115
106	=item %cf::CFG	116	=item %cf::CFG
107		117
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		127
111	=back	128	=back
112		129
113	=cut	130	=cut
114		131
…		…
146		163
147	$Event::DIED = sub {	164	$Event::DIED = sub {
148	warn "error in event callback: @_";	165	warn "error in event callback: @_";
149	};	166	};
150		167
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
156		169
157	=over 4	170	=over 4
158		171
		172	=item dumpval $ref
		173
159	=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	}
160		194
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		196
163	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
164		198
…		…
225	}	259	}
226		260
227	sub freeze_mainloop {	261	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
229		263
230	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;
231	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
232	$guard	270	$guard
233	}	271	}
234		272
235	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
287	}	325	}
288	}	326	}
289		327
290	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
291		329
292	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	331	extension calling this is being unloaded.
294		332
295	=cut	333	=cut
296		334
297	sub async_ext(&) {	335	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
312		350
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	352	or return;
315		353
		354	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	359	and return;
319		360
320	aio_fsync $fh	361	aio_fsync $fh
321	and return;	362	and return;
…		…
330	}	371	}
331		372
332	=back	373	=back
333		374
334	=cut	375	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		376
456	#############################################################################	377	#############################################################################
457		378
458	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
459		380
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	507	our @CB_MAP = ();
587		508
588	my %attachment;	509	my %attachment;
589		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
590	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
592		519
593	use sort 'stable';	520	use sort 'stable';
594		521
…		…
765	# object support	692	# object support
766		693
767	sub reattach {	694	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		699
771	my $registry = $obj->registry;	700	my $registry = $obj->registry;
772		701
773	@$registry = ();	702	@$registry = ();
774		703
…		…
906	=cut	835	=cut
907		836
908	sub register_extcmd {	837	sub register_extcmd {
909	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
910		839
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
915	}	841	}
916		842
917	cf::player->attach (	843	cf::player->attach (
918	on_command => sub {	844	on_command => sub {
919	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
932		858
933	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
934		860
935	if (ref $msg) {	861	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	865	}
940	}	866	}
941	} else {	867	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		870
945	cf::override;	871	cf::override;
946	},	872	},
947	);	873	);
948		874
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	875	sub load_extension {
956	my ($path) = @_;	876	my ($path) = @_;
957		877
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	879	my $base = $1;
960	my $pkg = $1;	880	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
963		883
964	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
965		885
966	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
967	or die "$path: $!";	887	or die "$path: $!";
968		888
969	my $source =	889	my $source =
970	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
973	. "\n};\n1";	893	. "\n};\n1";
974		894
975	eval $source	895	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	897	: "extension disabled.\n";
978		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	899	warn $@;
980	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
981		901	exit 1;
982	# no strict 'refs';	902	}
983	# @{"$pkg\::ISA"} = ext::;	903	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	904	}
998		905
999	# remove commands	906	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	907	}
1024		908
1025	sub load_extensions {	909	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	911	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1032	}	916	}
1033	}	917	}
1034		918
1035	#############################################################################	919	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		920
1073	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1074		922
1075	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1076		924
1077	=cut	925	=cut
1078		926
1079	package cf::player;	927	package cf::player;
		928
		929	use Coro::AIO;
1080		930
1081	=head3 cf::player	931	=head3 cf::player
1082		932
1083	=over 4	933	=over 4
1084		934
…		…
1110		960
1111	sub exists($) {	961	sub exists($) {
1112	my ($login) = @_;	962	my ($login) = @_;
1113		963
1114	$cf::PLAYER{$login}	964	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	965	or cf::sync_job { !aio_stat path $login }
1116	}	966	}
1117		967
1118	sub find($) {	968	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	969	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	970	my $login = $_[0];
1121		971
1122	my $guard = cf::lock_acquire "user_find:$login";	972	my $guard = cf::lock_acquire "user_find:$login";
1123		973
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
1125	};	979	}
1126	}	980	}
1127		981
1128	sub save($) {	982	sub save($) {
1129	my ($pl) = @_;	983	my ($pl) = @_;
1130		984
…		…
1133	my $path = path $pl;	987	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	988	my $guard = cf::lock_acquire "user_save:$path";
1135		989
1136	return if $pl->{deny_save};	990	return if $pl->{deny_save};
1137		991
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	992	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	993	$pl->{last_save} = $cf::RUNTIME;
1140		994
1141	Coro::cede;
1142	$pl->save_pl ($path);	995	$pl->save_pl ($path);
1143	Coro::cede;	996	Coro::cede;
1144	}	997	}
1145		998
1146	sub new($) {	999	sub new($) {
…		…
1153		1006
1154	$cf::PLAYER{$login} = $self;	1007	$cf::PLAYER{$login} = $self;
1155		1008
1156	$self	1009	$self
1157	}	1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
1158		1018
1159	sub quit_character {	1019	sub quit_character {
1160	my ($pl) = @_;	1020	my ($pl) = @_;
1161		1021
1162	$pl->{deny_save} = 1;	1022	$pl->{deny_save} = 1;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1028	$pl->ns->destroy if $pl->ns;
1169		1029
1170	my $path = playerdir $pl;	1030	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1031	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1032	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1033	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1034	$pl->destroy;
1175
1176	IO::AIO::aio_rmtree $temp;	1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
1177	};	1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1178	}	1088	}
1179		1089
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1181		1091
1182	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
…		…
1205	package cf::map;	1115	package cf::map;
1206		1116
1207	use Fcntl;	1117	use Fcntl;
1208	use Coro::AIO;	1118	use Coro::AIO;
1209		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1210	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1212		1126
1213	sub generate_random_map {	1127	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1130	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230	}	1270	}
1231		1271
1232	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1233	# all maps in C++...	1273	# all maps in C++...
1234	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1236		1276
1237	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1239	}	1279	}
1240		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1241	sub try_load_header($) {	1289	sub load_header_from($) {
1242	my ($path) = @_;	1290	my ($self, $path) = @_;
1243		1291
1244	utf8::encode $path;	1292	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1246	or return;	1294	or return;
1247		1295
1248	my $map = cf::map::new	1296	$self->_load_header ($path)
1249	or return;	1297	or return;
1250		1298
1251	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1252	$map->path ($path);
1253		1300
1254	$map->load_header ($path)	1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1255	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1256		1345
1257	$map->{load_path} = $path;	1346	1
1258
1259	$map
1260	}	1347	}
1261		1348
1262	sub find;	1349	sub find;
1263	sub find {	1350	sub find {
1264	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1265		1352
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1354
1271	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1272		1356
1273	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1275		1359	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1360	or return;
1295		1361
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1308		1363
1309	Coro::cede;	1364	$map->load_header
		1365	or return;
1310		1366
1311	if ($map->should_reset) {	1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1370	$map->reset;
1313	undef $guard;	1371	undef $guard;
1314	$map = find $path	1372	return find $path;
1315	or return;
1316	}	1373	}
1317		1374
1318	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1319	}	1376	}
1320	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1321		1381
1322	sub load {	1382	sub load {
1323	my ($self) = @_;	1383	my ($self) = @_;
1324		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
1325	my $path = $self->{path};	1387	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1388	my $guard = cf::lock_acquire "map_load:$path";
1327		1389
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1391
1330	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1331		1393
1332	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1333	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1399	or return;
1335		1400
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1402	if delete $self->{load_original};
1338		1403
1339	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1405	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1407	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1344	}	1409	}
1345	}	1410	}
1346		1411
1347	Coro::cede;	1412	Coro::cede;
1348		1413
1349	# now do the right thing for maps	1414	# now do the right thing for maps
1350	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1351		1416
1352	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1418	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1359	$self->set_darkness_map;	1422	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1362	$self->activate;	1426	$self->activate;
1363	}	1427	}
1364		1428
1365	Coro::cede;	1429	$self->post_load;
1366		1430
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
		1432	}
		1433
		1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
1368	}	1465	}
1369		1466
1370	sub find_sync {	1467	sub find_sync {
1371	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1372		1469
1373	cf::sync_job { cf::map::find $path, $origin }	1470	cf::sync_job { find $path, $origin }
1374	}	1471	}
1375		1472
1376	sub do_load_sync {	1473	sub do_load_sync {
1377	my ($map) = @_;	1474	my ($map) = @_;
1378		1475
1379	cf::sync_job { $map->load };	1476	cf::sync_job { $map->load };
1380	}	1477	}
1381		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER ||= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
		1497	$map->load;
		1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
		1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
		1507	}
		1508
1382	sub save {	1509	sub save {
1383	my ($self) = @_;	1510	my ($self) = @_;
1384		1511
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1513
1387	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1388		1515
1389	return unless $self->dirty;	1516	return unless $self->dirty;
1390		1517
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1520
1394	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1395		1522
1396	return if $self->{deny_save};	1523	return if $self->{deny_save};
1397		1524
…		…
1400	cf::async {	1527	cf::async {
1401	$_->contr->save for $self->players;	1528	$_->contr->save for $self->players;
1402	};	1529	};
1403		1530
1404	if ($uniq) {	1531	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1534	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	1536	}
1410	}	1537	}
1411		1538
1412	sub swap_out {	1539	sub swap_out {
1413	my ($self) = @_;	1540	my ($self) = @_;
…		…
1427		1554
1428	sub reset_at {	1555	sub reset_at {
1429	my ($self) = @_;	1556	my ($self) = @_;
1430		1557
1431	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1434		1561
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		1564
…		…
1442	my ($self) = @_;	1569	my ($self) = @_;
1443		1570
1444	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1445	}	1572	}
1446		1573
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1574	sub reset {
1469	my ($self) = @_;	1575	my ($self) = @_;
1470		1576
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1578
1473	return if $self->players;	1579	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1475		1581
1476	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1477		1583
1478	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1479		1588
1480	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1481		1590
1482	$self->unlink_save;	1591	$self->unlink_save;
1483	$self->destroy;	1592	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1487		1596
1488	sub nuke {	1597	sub nuke {
1489	my ($self) = @_;	1598	my ($self) = @_;
1490		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1494	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1495	}	1613	}
1496		1614
1497	sub customise_for {	1615	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1616
1500	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1502	}
1503		1619
1504	$map	1620	=cut
1505	}
1506		1621
1507	sub emergency_save {	1622	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1509		1625
1510	warn "enter emergency perl save\n";	1626	my @paths;
1511		1627
1512	cf::sync_job {	1628	for (@$files) {
1513	warn "begin emergency player save\n";	1629	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1630	next if /\.pst$/;
1515	warn "end emergency player save\n";	1631	next unless /^$PATH_SEP/o;
1516		1632
1517	warn "begin emergency map save\n";	1633	s/\.map$//;
1518	$_->save for values %cf::MAP;	1634	push @paths, $_;
1519	warn "end emergency map save\n";
1520	};	1635	}
1521		1636
1522	warn "leave emergency perl save\n";	1637	\@paths
1523	}	1638	}
1524		1639
1525	package cf;	1640	package cf;
1526		1641
1527	=back	1642	=back
1528		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1529		1670
1530	=head3 cf::object::player	1671	=head3 cf::object::player
1531		1672
1532	=over 4	1673	=over 4
1533		1674
…		…
1573		1714
1574	=item $player_object->enter_link	1715	=item $player_object->enter_link
1575		1716
1576	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1577		1718
1578	The player should be reaosnably safe there for short amounts of time. You	1719	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1580		1721
		1722	Will never block.
		1723
1581	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1582		1725
1583	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	1729	fails, to the emergency map position.
1587		1730
1588	Might block.	1731	Might block.
1589		1732
1590	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1591		1744
1592	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1746	my ($self) = @_;
1594		1747
1595	$self->deactivate_recursive;	1748	$self->deactivate_recursive;
1596		1749
1597	return if $self->map == $LINK_MAP;	1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1751
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1753	if $self->map;
1601		1754
1602	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1756	}
1604		1757
1605	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1607		1760
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1628		1781
1629	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1630		1784
1631	return unless $self->contr->active;	1785	return unless $self->contr->active;
1632	$self->activate_recursive;	1786	$self->activate_recursive;
1633	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1634	}	1788	}
…		…
1673	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1674		1828
1675	$self->enter_link;	1829	$self->enter_link;
1676		1830
1677	(async {	1831	(async {
1678	$path = new cf::path $path;	1832	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1833	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1834	$map = $map->customise_for ($self) if $map;
1682		1835	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1836	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1838
1688	$self->leave_link ($map, $x, $y);	1839	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1840	})->prio (1);
1690	}	1841	}
1691		1842
…		…
1695		1846
1696	sub parse_random_map_params {	1847	sub parse_random_map_params {
1697	my ($spec) = @_;	1848	my ($spec) = @_;
1698		1849
1699	my $rmp = { # defaults	1850	my $rmp = { # defaults
1700	xsize => 10,	1851	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1852	ysize => (cf::rndm 15, 40),
		1853	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1854	#layout => string,
1702	};	1855	};
1703		1856
1704	for (split /\n/, $spec) {	1857	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1858	my ($k, $v) = split /\s+/, $_, 2;
1706		1859
…		…
1710	$rmp	1863	$rmp
1711	}	1864	}
1712		1865
1713	sub prepare_random_map {	1866	sub prepare_random_map {
1714	my ($exit) = @_;	1867	my ($exit) = @_;
		1868
		1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1870
1716	# all this does is basically replace the /! path by	1871	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1872	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1873	# that depends on the exit object
1719		1874
1720	my $rmp = parse_random_map_params $exit->msg;	1875	my $rmp = parse_random_map_params $exit->msg;
1721		1876
1722	if ($exit->map) {	1877	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1878	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1879	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1880	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1881	$rmp->{origin_y} = $exit->y;
1727	}	1882	}
1728		1883
1729	$rmp->{random_seed} ||= $exit->random_seed;	1884	$rmp->{random_seed} ||= $exit->random_seed;
1730		1885
1731	my $data = cf::to_json $rmp;	1886	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1887	my $md5 = Digest::MD5::md5_hex $data;
		1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1889
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1891	aio_write $fh, 0, (length $data), $data, 0;
		1892	undef $fh;
		1893	aio_rename "$meta~", $meta;
1736		1894
1737	$exit->slaying ("?random/$md5");	1895	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1896	$exit->msg (undef);
1739	}	1897	}
1740	}	1898	}
1741		1899
1742	sub cf::object::player::enter_exit {	1900	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1901	my ($self, $exit) = @_;
1744		1902
1745	return unless $self->type == cf::PLAYER;	1903	return unless $self->type == cf::PLAYER;
		1904
		1905	if ($exit->slaying eq "/!") {
		1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1907	cf::sync_job { prepare_random_map $exit };
		1908	}
		1909
		1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1911	my $hp = $exit->stats->hp;
		1912	my $sp = $exit->stats->sp;
1746		1913
1747	$self->enter_link;	1914	$self->enter_link;
1748		1915
1749	(async {	1916	(async {
1750	$self->deactivate_recursive; # just to be sure	1917	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1918	unless (eval {
1752	prepare_random_map $exit	1919	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1920
1758	1;	1921	1;
1759	}) {	1922	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1923	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	1924	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	1925	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	1926	cf::NDI_UNIQUE | cf::NDI_RED);
1764		1927
1765	warn "ERROR in enter_exit: $@";	1928	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	1929	$self->leave_link;
1767	}	1930	}
…		…
2050	sub db_sync() {	2213	sub db_sync() {
2051	db_save if $dirty;	2214	db_save if $dirty;
2052	undef $dirty;	2215	undef $dirty;
2053	}	2216	}
2054		2217
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2218	my $idle = Event->idle (
2056	db_sync;	2219	reentrant => 0,
		2220	min => 10,
		2221	max => 20,
		2222	repeat => 0,
		2223	data => WF_AUTOCANCEL,
		2224	cb => \&db_sync,
2057	});	2225	);
2058		2226
2059	sub db_dirty() {	2227	sub db_dirty() {
2060	$dirty = 1;	2228	$dirty = 1;
2061	$idle->start;	2229	$idle->start;
2062	}	2230	}
…		…
2110		2278
2111	sub main {	2279	sub main {
2112	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2283	(async {
2115	async { Event::one_event };	2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2116	};	2286	};
2117		2287
2118	cfg_load;	2288	cfg_load;
2119	db_load;	2289	db_load;
2120	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2121	Event::loop;	2293	Event::loop;
2122	}	2294	}
2123		2295
2124	#############################################################################	2296	#############################################################################
2125	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338	};
		2339
		2340	warn "leave emergency perl save\n";
		2341	}
2126		2342
2127	sub reload() {	2343	sub reload() {
2128	# can/must only be called in main	2344	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2345	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2346	warn "can only reload from main coroutine";
2131	return;	2347	return;
2132	}	2348	}
2133		2349
2134	warn "reloading...";	2350	warn "reloading...";
2135		2351
2136	my $guard = freeze_mainloop;	2352	warn "cancelling server ticker";
		2353	$TICK_WATCHER->cancel;
		2354
2137	cf::emergency_save;	2355	cf::emergency_save;
2138		2356
2139	eval {	2357	eval {
2140	# if anything goes wrong in here, we should simply crash as we already saved	2358	# if anything goes wrong in here, we should simply crash as we already saved
2141		2359
2142	# cancel all watchers	2360	warn "syncing database to disk";
		2361	cf::db_sync;
		2362
		2363	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2364	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2366	}
2146		2367
		2368	warn "flushing outstanding aio requests";
		2369	for (;;) {
		2370	IO::AIO::flush;
		2371	Coro::cede;
		2372	last unless IO::AIO::nreqs;
		2373	warn "iterate...";
		2374	}
		2375
2147	# cancel all extension coros	2376	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2377	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2378	%EXT_CORO = ();
2150		2379
2151	# unload all extensions	2380	warn "removing commands";
2152	for (@exts) {	2381	%COMMAND = ();
		2382
		2383	warn "removing ext commands";
		2384	%EXTCMD = ();
		2385
		2386	warn "unloading/nuking all extensions";
		2387	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2388	warn "... unloading $pkg";
2154	unload_extension $_;	2389
		2390	if (my $cb = $pkg->can ("unload")) {
		2391	eval {
		2392	$cb->($pkg);
		2393	1
		2394	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2395	}
2156		2396
		2397	warn "... nuking $pkg";
		2398	Symbol::delete_package $pkg;
		2399	}
		2400
2157	# unload all modules loaded from $LIBDIR	2401	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2402	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2404
2161	warn "removing <$k>";	2405	warn "... unloading $k";
2162	delete $INC{$k};	2406	delete $INC{$k};
2163		2407
2164	$k =~ s/\.pm$//;	2408	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2409	$k =~ s/\//::/g;
2166		2410
…		…
2169	}	2413	}
2170		2414
2171	Symbol::delete_package $k;	2415	Symbol::delete_package $k;
2172	}	2416	}
2173		2417
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2418	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2419	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2421
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2422	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2423	delete $INC{"cf.pm"};
2187		2424
2188	# don't, removes xs symbols, too,	2425	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2426	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2427	#Symbol::delete_package __PACKAGE__;
2191		2428
2192	# reload cf.pm	2429	warn "unload completed, starting to reload now";
		2430
2193	warn "reloading cf.pm";	2431	warn "reloading cf.pm";
2194	require cf;	2432	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2434
2197	# load config and database again	2435	warn "loading config and database again";
2198	cf::cfg_load;	2436	cf::cfg_load;
2199	cf::db_load;	2437	cf::db_load;
2200		2438
2201	# load extensions
2202	warn "load extensions";	2439	warn "loading extensions";
2203	cf::load_extensions;	2440	cf::load_extensions;
2204		2441
2205	# reattach attachments to objects	2442	warn "reattaching attachments to objects/players";
2206	warn "reattach";
2207	_global_reattach;	2443	_global_reattach;
		2444	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2445	reattach $_ for values %MAP;
		2446
		2447	warn "restarting server ticker";
		2448
		2449	$TICK_WATCHER->start;
2209	};	2450	};
2210		2451
2211	if ($@) {	2452	if ($@) {
2212	warn $@;	2453	warn $@;
2213	warn "error while reloading, exiting.";	2454	warn "error while reloading, exiting.";
2214	exit 1;	2455	exit 1;
2215	}	2456	}
2216		2457
2217	warn "reloaded successfully";	2458	warn "reloaded";
2218	};	2459	};
2219		2460
2220	#############################################################################	2461	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2462
2265	register_command "reload" => sub {	2463	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2464	my ($who, $arg) = @_;
2267		2465
2268	if ($who->flag (FLAG_WIZ)) {	2466	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2467	$who->message ("reloading server.");
		2468
		2469	# doing reload synchronously and two reloads happen back-to-back,
		2470	# coro crashes during coro_state_free->destroy here.
		2471
		2472	$RELOAD_WATCHER ||= Event->timer (
		2473	reentrant => 0,
		2474	after => 0,
		2475	data => WF_AUTOCANCEL,
		2476	cb => sub {
2270	reload;	2477	reload;
2271	$who->message ("end of reload.");	2478	undef $RELOAD_WATCHER;
		2479	},
		2480	);
2272	}	2481	}
2273	};	2482	};
2274		2483
2275	unshift @INC, $LIBDIR;	2484	unshift @INC, $LIBDIR;
		2485
		2486	my $bug_warning = 0;
2276		2487
2277	$TICK_WATCHER = Event->timer (	2488	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2489	reentrant => 0,
		2490	parked => 1,
2279	prio => 0,	2491	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2492	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2493	data => WF_AUTOCANCEL,
2282	cb => sub {	2494	cb => sub {
		2495	if ($Coro::current != $Coro::main) {
		2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2497	unless ++$bug_warning > 10;
		2498	return;
		2499	}
		2500
		2501	$NOW = Event::time;
		2502
2283	cf::server_tick; # one server iteration	2503	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2504	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2505	$NEXT_TICK += $TICK;
		2506
		2507	$WAIT_FOR_TICK->broadcast;
		2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2509
		2510	Event::sweep;
		2511	Coro::cede_notself;
		2512
		2513	# my $AFTER = Event::time;
		2514	# warn $AFTER - $NOW;#d#
2286		2515
2287	# if we are delayed by four ticks or more, skip them all	2516	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2518
2290	$TICK_WATCHER->at ($NEXT_TICK);	2519	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2520	$TICK_WATCHER->start;
2292	},	2521	},
2293	);	2522	);
2294		2523
2295	IO::AIO::max_poll_time $TICK * 0.2;	2524	IO::AIO::max_poll_time $TICK * 0.1;
2296		2525
2297	Event->io (	2526	undef $Coro::AIO::WATCHER;
		2527	$AIO_POLL_WATCHER = Event->io (
		2528	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2529	fd => IO::AIO::poll_fileno,
2299	poll => 'r',	2530	poll => 'r',
2300	prio => 5,	2531	prio => 6,
2301	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,	2533	cb => \&IO::AIO::poll_cb,
2303	);	2534	);
2304		2535
2305	Event->timer (	2536	$WRITE_RUNTIME_WATCHER = Event->timer (
		2537	reentrant => 0,
2306	data => WF_AUTOCANCEL,	2538	data => WF_AUTOCANCEL,
2307	after => 0,	2539	after => 1,
2308	interval => 10,	2540	interval => 10,
2309	cb => sub {	2541	prio => 6, # keep it lowest so it acts like a watchdog
2310	(Coro::unblock_sub {	2542	cb => Coro::unblock_sub {
2311	write_runtime	2543	write_runtime
2312	or warn "ERROR: unable to write runtime file: $!";	2544	or warn "ERROR: unable to write runtime file: $!";
2313	})->();
2314	},	2545	},
2315	);	2546	);
2316		2547
2317	END { cf::emergency_save }	2548	END { cf::emergency_save }
2318		2549

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