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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.203 by root, Thu Feb 1 19:40:42 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;
		87
		88	sub cf::map::normalise;
77		89
78	#############################################################################	90	#############################################################################
79		91
80	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
81		93
…		…
105		117
106	=item %cf::CFG	118	=item %cf::CFG
107		119
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
110		129
111	=back	130	=back
112		131
113	=cut	132	=cut
114		133
…		…
146		165
147	$Event::DIED = sub {	166	$Event::DIED = sub {
148	warn "error in event callback: @_";	167	warn "error in event callback: @_";
149	};	168	};
150		169
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
156		171
157	=over 4	172	=over 4
158		173
		174	=item dumpval $ref
		175
159	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
160		196
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		198
163	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
164		200
…		…
225	}	261	}
226		262
227	sub freeze_mainloop {	263	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
229		265
230	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
312		352
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	354	or return;
315		355
		356	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	361	and return;
319		362
320	aio_fsync $fh	363	aio_fsync $fh
321	and return;	364	and return;
…		…
330	}	373	}
331		374
332	=back	375	=back
333		376
334	=cut	377	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		378
456	#############################################################################	379	#############################################################################
457		380
458	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
459		382
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	509	our @CB_MAP = ();
587		510
588	my %attachment;	511	my %attachment;
589		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
590	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
592		521
593	use sort 'stable';	522	use sort 'stable';
594		523
…		…
765	# object support	694	# object support
766		695
767	sub reattach {	696	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		701
771	my $registry = $obj->registry;	702	my $registry = $obj->registry;
772		703
773	@$registry = ();	704	@$registry = ();
774		705
…		…
845	}	776	}
846	} else {	777	} else {
847	aio_unlink $filename;	778	aio_unlink $filename;
848	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
849	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
850	}	787	}
851	}	788	}
852		789
853	sub object_freezer_as_string {	790	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
860		797
861	sub object_thawer_load {	798	sub object_thawer_load {
862	my ($filename) = @_;	799	my ($filename) = @_;
863		800
864	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
865		805
866	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
867	or return;	807	or return;
868		808
869	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
906	=cut	846	=cut
907		847
908	sub register_extcmd {	848	sub register_extcmd {
909	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
910		850
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
915	}	852	}
916		853
917	cf::player->attach (	854	cf::player->attach (
918	on_command => sub {	855	on_command => sub {
919	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
932		869
933	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
934		871
935	if (ref $msg) {	872	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	876	}
940	}	877	}
941	} else {	878	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		881
945	cf::override;	882	cf::override;
946	},	883	},
947	);	884	);
948		885
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	886	sub load_extension {
956	my ($path) = @_;	887	my ($path) = @_;
957		888
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	890	my $base = $1;
960	my $pkg = $1;	891	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
963		894
964	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
965		896
966	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
967	or die "$path: $!";	898	or die "$path: $!";
968		899
969	my $source =	900	my $source =
970	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
973	. "\n};\n1";	904	. "\n};\n1";
974		905
975	eval $source	906	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	908	: "extension disabled.\n";
978		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	910	warn $@;
980	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
981		912	exit 1;
982	# no strict 'refs';	913	}
983	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
998		916
999	# remove commands	917	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	}	918	}
1024		919
1025	sub load_extensions {	920	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	922	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1032	}	927	}
1033	}	928	}
1034		929
1035	#############################################################################	930	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($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*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		931
1073	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1074		933
1075	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1076		935
1077	=cut	936	=cut
1078		937
1079	package cf::player;	938	package cf::player;
		939
		940	use Coro::AIO;
1080		941
1081	=head3 cf::player	942	=head3 cf::player
1082		943
1083	=over 4	944	=over 4
1084		945
…		…
1110		971
1111	sub exists($) {	972	sub exists($) {
1112	my ($login) = @_;	973	my ($login) = @_;
1113		974
1114	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1116	}	977	}
1117		978
1118	sub find($) {	979	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	981	my $login = $_[0];
…		…
1137	my $path = path $pl;	998	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	999	my $guard = cf::lock_acquire "user_save:$path";
1139		1000
1140	return if $pl->{deny_save};	1001	return if $pl->{deny_save};
1141		1002
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1003	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1004	$pl->{last_save} = $cf::RUNTIME;
1144		1005
1145	$pl->save_pl ($path);	1006	$pl->save_pl ($path);
1146	Coro::cede;	1007	Coro::cede;
1147	}	1008	}
…		…
1156		1017
1157	$cf::PLAYER{$login} = $self;	1018	$cf::PLAYER{$login} = $self;
1158		1019
1159	$self	1020	$self
1160	}	1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
1161		1029
1162	sub quit_character {	1030	sub quit_character {
1163	my ($pl) = @_;	1031	my ($pl) = @_;
1164		1032
1165	$pl->{deny_save} = 1;	1033	$pl->{deny_save} = 1;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1039	$pl->ns->destroy if $pl->ns;
1172		1040
1173	my $path = playerdir $pl;	1041	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1042	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1043	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1044	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1045	$pl->destroy;
1178	IO::AIO::aio_rmtree $temp;	1046	IO::AIO::aio_rmtree $temp;
1179	}	1047	}
1180		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
		1100	}
		1101
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1103
1183	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1184		1105
1185	=cut	1106	=cut
…		…
1206	package cf::map;	1127	package cf::map;
1207		1128
1208	use Fcntl;	1129	use Fcntl;
1209	use Coro::AIO;	1130	use Coro::AIO;
1210		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1211	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1213		1138
1214	sub generate_random_map {	1139	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1142	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1284	}
1232		1285
1233	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1234	# all maps in C++...	1287	# all maps in C++...
1235	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1237		1290
1238	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1240	}	1293	}
1241		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1242	sub try_load_header($) {	1308	sub load_header_from($) {
1243	my ($path) = @_;	1309	my ($self, $path) = @_;
1244		1310
1245	utf8::encode $path;	1311	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1247	or return;	1316	or return;
1248		1317
1249	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1250	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1251		1364
1252	# for better error messages only, will be overwritten	1365	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1366	}
1262		1367
1263	sub find;	1368	sub find;
1264	sub find {	1369	sub find {
1265	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1266		1371
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1373
1272	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1273		1375
1274	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1276		1378	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1379	or return;
1296		1380
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1309		1382
1310	Coro::cede;	1383	$map->load_header
		1384	or return;
1311		1385
1312	if ($map->should_reset) {	1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1389	$map->reset;
1314	undef $guard;	1390	undef $guard;
1315	$map = find $path	1391	return find $path;
1316	or return;
1317	}	1392	}
1318		1393
1319	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1320	}	1395	}
1321	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1322		1400
1323	sub load {	1401	sub load {
1324	my ($self) = @_;	1402	my ($self) = @_;
1325		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1326	my $path = $self->{path};	1406	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1328		1408
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1410
1331	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1332		1412
1333	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1334	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1418	or return;
1336		1419
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1421	if delete $self->{load_original};
1339		1422
1340	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1424	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1426	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1345	}	1428	}
1346	}	1429	}
1347		1430
1348	Coro::cede;	1431	Coro::cede;
1349		1432
1350	# now do the right thing for maps	1433	# now do the right thing for maps
1351	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1352		1435
1353	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1437	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1360	$self->set_darkness_map;	1441	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1363	$self->activate;	1445	$self->activate;
1364	}	1446	}
1365		1447
1366	Coro::cede;	1448	$self->post_load;
1367		1449
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
1369	}	1484	}
1370		1485
1371	sub find_sync {	1486	sub find_sync {
1372	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1373		1488
1374	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1375	}	1490	}
1376		1491
1377	sub do_load_sync {	1492	sub do_load_sync {
1378	my ($map) = @_;	1493	my ($map) = @_;
1379		1494
1380	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1381	}	1496	}
1382		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1383	sub save {	1528	sub save {
1384	my ($self) = @_;	1529	my ($self) = @_;
1385		1530
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1532
1388	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1389		1534
1390	return unless $self->dirty;	1535	return unless $self->dirty;
1391		1536
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1539
1395	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1396		1541
1397	return if $self->{deny_save};	1542	return if $self->{deny_save};
1398		1543
…		…
1401	cf::async {	1546	cf::async {
1402	$_->contr->save for $self->players;	1547	$_->contr->save for $self->players;
1403	};	1548	};
1404		1549
1405	if ($uniq) {	1550	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1553	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1555	}
1411	}	1556	}
1412		1557
1413	sub swap_out {	1558	sub swap_out {
1414	my ($self) = @_;	1559	my ($self) = @_;
…		…
1428		1573
1429	sub reset_at {	1574	sub reset_at {
1430	my ($self) = @_;	1575	my ($self) = @_;
1431		1576
1432	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1435		1580
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1583
…		…
1443	my ($self) = @_;	1588	my ($self) = @_;
1444		1589
1445	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1446	}	1591	}
1447		1592
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1593	sub reset {
1470	my ($self) = @_;	1594	my ($self) = @_;
1471		1595
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1597
1474	return if $self->players;	1598	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1476		1600
1477	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1478		1602
1479	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1480		1607
1481	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1482		1609
1483	$self->unlink_save;	1610	$self->unlink_save;
1484	$self->destroy;	1611	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1488		1615
1489	sub nuke {	1616	sub nuke {
1490	my ($self) = @_;	1617	my ($self) = @_;
1491		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1495	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1496	}	1632	}
1497		1633
1498	sub customise_for {	1634	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1635
1501	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1503	}
1504		1638
1505	$map	1639	=cut
1506	}
1507		1640
1508	sub emergency_save {	1641	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1510		1644
1511	warn "enter emergency perl save\n";	1645	my @paths;
1512		1646
1513	cf::sync_job {	1647	for (@$files) {
1514	warn "begin emergency player save\n";	1648	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1649	next if /\.pst$/;
1516	warn "end emergency player save\n";	1650	next unless /^$PATH_SEP/o;
1517		1651
1518	warn "begin emergency map save\n";	1652	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1653	}
1522		1654
1523	warn "leave emergency perl save\n";	1655	\@paths
1524	}	1656	}
1525		1657
1526	package cf;	1658	package cf;
1527		1659
1528	=back	1660	=back
1529		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1530		1688
1531	=head3 cf::object::player	1689	=head3 cf::object::player
1532		1690
1533	=over 4	1691	=over 4
1534		1692
…		…
1574		1732
1575	=item $player_object->enter_link	1733	=item $player_object->enter_link
1576		1734
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1736
1579	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1581		1739
		1740	Will never block.
		1741
1582	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1583		1743
1584	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1747	fails, to the emergency map position.
1588		1748
1589	Might block.	1749	Might block.
1590		1750
1591	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1592		1762
1593	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1764	my ($self) = @_;
1595		1765
1596	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1597		1767
1598	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1769
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1771	if $self->map;
1602		1772
1603	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1774	}
1605		1775
1606	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1608		1778
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1629		1799
1630	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1631		1802
1632	return unless $self->contr->active;	1803	return unless $self->contr->active;
1633	$self->activate_recursive;	1804	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1635	}	1806	}
…		…
1674	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1675		1846
1676	$self->enter_link;	1847	$self->enter_link;
1677		1848
1678	(async {	1849	(async {
1679	$path = new cf::path $path;	1850	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1683		1853	$map
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1856
1690	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1858	})->prio (1);
1692	}	1859	}
1693		1860
…		…
1697		1864
1698	sub parse_random_map_params {	1865	sub parse_random_map_params {
1699	my ($spec) = @_;	1866	my ($spec) = @_;
1700		1867
1701	my $rmp = { # defaults	1868	my $rmp = { # defaults
1702	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1704	};	1873	};
1705		1874
1706	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1708		1877
…		…
1712	$rmp	1881	$rmp
1713	}	1882	}
1714		1883
1715	sub prepare_random_map {	1884	sub prepare_random_map {
1716	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1888
1718	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1891	# that depends on the exit object
1721		1892
1722	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1723		1894
1724	if ($exit->map) {	1895	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1729	}	1900	}
1730		1901
1731	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1732		1903
1733	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1907
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1738		1912
1739	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1914	$exit->msg (undef);
1741	}	1915	}
1742	}	1916	}
1743		1917
1744	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1746		1920
1747	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
1748		1931
1749	$self->enter_link;	1932	$self->enter_link;
1750		1933
1751	(async {	1934	(async {
1752	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1936	unless (eval {
1754	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1938
1760	1;	1939	1;
1761	}) {	1940	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1945
1767	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1947	$self->leave_link;
1769	}	1948	}
…		…
1824	# get handled first	2003	# get handled first
1825	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2006
1828	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2009
1830	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1831		2011
1832	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2013	if (@$queue) {
…		…
2052	sub db_sync() {	2232	sub db_sync() {
2053	db_save if $dirty;	2233	db_save if $dirty;
2054	undef $dirty;	2234	undef $dirty;
2055	}	2235	}
2056		2236
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
2058	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
2059	});	2244	);
2060		2245
2061	sub db_dirty() {	2246	sub db_dirty() {
2062	$dirty = 1;	2247	$dirty = 1;
2063	$idle->start;	2248	$idle->start;
2064	}	2249	}
…		…
2085	},	2270	},
2086	);	2271	);
2087	}	2272	}
2088		2273
2089	#############################################################################	2274	#############################################################################
2090	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
2091		2281
2092	sub cfg_load {	2282	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2284	or return;
2095		2285
…		…
2108	};	2298	};
2109	warn $@ if $@;	2299	warn $@ if $@;
2110	}	2300	}
2111	}	2301	}
2112		2302
		2303	sub init {
		2304	load_resources;
		2305	}
		2306
2113	sub main {	2307	sub main {
2114	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2311	(async {
2117	async { Event::one_event };	2312	Event::one_event;
		2313	})->prio (Coro::PRIO_MAX);
2118	};	2314	};
2119		2315
2120	cfg_load;	2316	cfg_load;
2121	db_load;	2317	db_load;
2122	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
2123	Event::loop;	2321	Event::loop;
2124	}	2322	}
2125		2323
2126	#############################################################################	2324	#############################################################################
2127	# initialisation	2325	# initialisation and cleanup
		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2128		2370
2129	sub reload() {	2371	sub reload() {
2130	# can/must only be called in main	2372	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2133	return;	2375	return;
2134	}	2376	}
2135		2377
2136	warn "reloading...";	2378	warn "reloading...";
2137		2379
2138	my $guard = freeze_mainloop;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2139	cf::emergency_save;	2383	cf::emergency_save;
2140		2384
2141	eval {	2385	eval {
2142	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2143		2387
2144	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2394	}
2148		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
2149	# cancel all extension coros	2404	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2406	%EXT_CORO = ();
2152		2407
2153	# unload all extensions	2408	warn "removing commands";
2154	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2156	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2423	}
2158		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2159	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2432
2163	warn "removing <$k>";	2433	warn "... unloading $k";
2164	delete $INC{$k};	2434	delete $INC{$k};
2165		2435
2166	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2168		2438
…		…
2171	}	2441	}
2172		2442
2173	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2174	}	2444	}
2175		2445
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2449
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2189		2452
2190	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2454	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2193		2456
2194	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2195	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2196	require cf;	2460	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2462
2199	# load config and database again	2463	warn "loading config and database again";
2200	cf::cfg_load;	2464	cf::cfg_load;
2201	cf::db_load;	2465	cf::db_load;
2202		2466
2203	# load extensions
2204	warn "load extensions";	2467	warn "loading extensions";
2205	cf::load_extensions;	2468	cf::load_extensions;
2206		2469
2207	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
2211	};	2481	};
2212		2482
2213	if ($@) {	2483	if ($@) {
2214	warn $@;	2484	warn $@;
2215	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2216	exit 1;	2486	exit 1;
2217	}	2487	}
2218		2488
2219	warn "reloaded successfully";	2489	warn "reloaded";
2220	};	2490	};
2221		2491
2222	#############################################################################	2492	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2493
2267	register_command "reload" => sub {	2494	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2269		2496
2270	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
2272	reload;	2508	reload;
2273	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2274	}	2512	}
2275	};	2513	};
2276		2514
2277	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2278		2518
2279	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2281	prio => 0,	2522	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2284	cb => sub {	2525	cb => sub {
		2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
2285	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2288		2546
2289	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2549
2292	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2294	},	2552	},
2295	);	2553	);
2296		2554
2297	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2298		2556
2299	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2301	poll => 'r',	2561	poll => 'r',
2302	prio => 5,	2562	prio => 6,
2303	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2305	);	2565	);
2306		2566
2307	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2308	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2309	after => 0,	2570	after => 1,
2310	interval => 10,	2571	interval => 10,
2311	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2312	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2313	write_runtime	2574	write_runtime
2314	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2315	})->();
2316	},	2576	},
2317	);	2577	);
2318		2578
2319	END { cf::emergency_save }	2579	END { cf::emergency_save }
2320		2580

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