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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.152 by root, Mon Jan 8 22:32:10 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
231	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
232	$guard	280	$guard
233	}	281	}
234		282
235	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
287	}	335	}
288	}	336	}
289		337
290	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
291		339
292	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	341	extension calling this is being unloaded.
294		342
295	=cut	343	=cut
296		344
297	sub async_ext(&) {	345	sub async_ext(&) {
…		…
306		354
307	$coro	355	$coro
308	}	356	}
309		357
310	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
311	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
312		362
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	364	or return;
315		365
		366	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	371	and return;
319		372
		373	# always fsync - this file is important
320	aio_fsync $fh	374	aio_fsync $fh
321	and return;	375	and return;
322		376
323	close $fh	377	close $fh
324	or return;	378	or return;
…		…
330	}	384	}
331		385
332	=back	386	=back
333		387
334	=cut	388	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		389
456	#############################################################################	390	#############################################################################
457		391
458	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
459		393
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	520	our @CB_MAP = ();
587		521
588	my %attachment;	522	my %attachment;
589		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
590	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
592		532
593	use sort 'stable';	533	use sort 'stable';
594		534
…		…
765	# object support	705	# object support
766		706
767	sub reattach {	707	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		712
771	my $registry = $obj->registry;	713	my $registry = $obj->registry;
772		714
773	@$registry = ();	715	@$registry = ();
774		716
…		…
821	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
822		764
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	769	close $fh;
828		770
829	if (@$objs) {	771	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	777	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
837	}	779	}
838	} else {	780	} else {
839	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
906	=cut	848	=cut
907		849
908	sub register_extcmd {	850	sub register_extcmd {
909	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
910		852
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
915	}	854	}
916		855
917	cf::player->attach (	856	cf::player->attach (
918	on_command => sub {	857	on_command => sub {
919	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
932		871
933	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
934		873
935	if (ref $msg) {	874	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	878	}
940	}	879	}
941	} else {	880	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		883
945	cf::override;	884	cf::override;
946	},	885	},
947	);	886	);
948		887
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	888	sub load_extension {
956	my ($path) = @_;	889	my ($path) = @_;
957		890
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	892	my $base = $1;
960	my $pkg = $1;	893	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
963		896
964	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
965		898
966	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
967	or die "$path: $!";	900	or die "$path: $!";
968		901
969	my $source =	902	my $source =
970	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
973	. "\n};\n1";	906	. "\n};\n1";
974		907
975	eval $source	908	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	910	: "extension disabled.\n";
978		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	912	warn $@;
980	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
981		914	exit 1;
982	# no strict 'refs';	915	}
983	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
998		918
999	# remove commands	919	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	}	920	}
1024		921
1025	sub load_extensions {	922	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	924	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1032	}	929	}
1033	}	930	}
1034		931
1035	#############################################################################	932	#############################################################################
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		933
1073	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1074		935
1075	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1076		937
1077	=cut	938	=cut
1078		939
1079	package cf::player;	940	package cf::player;
		941
		942	use Coro::AIO;
1080		943
1081	=head3 cf::player	944	=head3 cf::player
1082		945
1083	=over 4	946	=over 4
1084		947
…		…
1110		973
1111	sub exists($) {	974	sub exists($) {
1112	my ($login) = @_;	975	my ($login) = @_;
1113		976
1114	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1116	}	979	}
1117		980
1118	sub find($) {	981	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	983	my $login = $_[0];
…		…
1137	my $path = path $pl;	1000	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1001	my $guard = cf::lock_acquire "user_save:$path";
1139		1002
1140	return if $pl->{deny_save};	1003	return if $pl->{deny_save};
1141		1004
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1005	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1006	$pl->{last_save} = $cf::RUNTIME;
1144		1007
1145	$pl->save_pl ($path);	1008	$pl->save_pl ($path);
1146	Coro::cede;	1009	Coro::cede;
1147	}	1010	}
…		…
1157	$cf::PLAYER{$login} = $self;	1020	$cf::PLAYER{$login} = $self;
1158		1021
1159	$self	1022	$self
1160	}	1023	}
1161		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
1162	sub quit_character {	1032	sub quit_character {
1163	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1164		1036
1165	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1039
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1043	$pl->ns->destroy if $pl->ns;
1172		1044
1173	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
1178	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1179	}	1110	}
1180		1111
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1113
1183	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
…		…
1206	package cf::map;	1137	package cf::map;
1207		1138
1208	use Fcntl;	1139	use Fcntl;
1209	use Coro::AIO;	1140	use Coro::AIO;
1210		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1211	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1213		1148
1214	sub generate_random_map {	1149	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1152	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1294	}
1232		1295
1233	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1234	# all maps in C++...	1297	# all maps in C++...
1235	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1237		1300
1238	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1240	}	1303	}
1241		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1242	sub try_load_header($) {	1313	sub load_header_from($) {
1243	my ($path) = @_;	1314	my ($self, $path) = @_;
1244		1315
1245	utf8::encode $path;	1316	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1247	or return;	1321	or return;
1248		1322
1249	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1250	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1251		1369
1252	# for better error messages only, will be overwritten	1370	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1371	}
1262		1372
1263	sub find;	1373	sub find;
1264	sub find {	1374	sub find {
1265	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1266		1376
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1378
1272	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1273		1380
1274	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1276		1383	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;	1384	or return;
1296		1385
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;	1386	$map->{last_save} = $cf::RUNTIME;
1309		1387
1310	Coro::cede;	1388	$map->load_header
		1389	or return;
1311		1390
1312	if ($map->should_reset) {	1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1394	$map->reset;
1314	undef $guard;	1395	undef $guard;
1315	$map = find $path	1396	return find $path;
1316	or return;
1317	}	1397	}
1318		1398
1319	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1320	}	1400	}
1321	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1322		1405
1323	sub load {	1406	sub load {
1324	my ($self) = @_;	1407	my ($self) = @_;
1325		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1326	my $path = $self->{path};	1411	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1328		1413
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1415
1331	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1332		1417
1333	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1334	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1423	or return;
1336		1424
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1426	if delete $self->{load_original};
1339		1427
1340	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1429	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1431	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1345	}	1433	}
1346	}	1434	}
1347		1435
1348	Coro::cede;	1436	Coro::cede;
1349		1437
1350	# now do the right thing for maps	1438	# now do the right thing for maps
1351	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1352		1440
1353	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1442	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1360	$self->set_darkness_map;	1446	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1363	$self->activate;	1450	$self->activate;
1364	}	1451	}
1365		1452
1366	Coro::cede;	1453	$self->post_load;
1367		1454
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
1369	}	1489	}
1370		1490
1371	sub find_sync {	1491	sub find_sync {
1372	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1373		1493
1374	cf::sync_job { cf::map::find $path, $origin }	1494	cf::sync_job { find $path, $origin }
1375	}	1495	}
1376		1496
1377	sub do_load_sync {	1497	sub do_load_sync {
1378	my ($map) = @_;	1498	my ($map) = @_;
1379		1499
1380	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1381	}	1501	}
1382		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
		1531	}
		1532
1383	sub save {	1533	sub save {
1384	my ($self) = @_;	1534	my ($self) = @_;
1385		1535
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1537
1388	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1389		1539
1390	return unless $self->dirty;	1540	return unless $self->dirty;
1391		1541
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1544
1395	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1396		1546
1397	return if $self->{deny_save};	1547	return if $self->{deny_save};
1398		1548
…		…
1401	cf::async {	1551	cf::async {
1402	$_->contr->save for $self->players;	1552	$_->contr->save for $self->players;
1403	};	1553	};
1404		1554
1405	if ($uniq) {	1555	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1558	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1560	}
1411	}	1561	}
1412		1562
1413	sub swap_out {	1563	sub swap_out {
1414	my ($self) = @_;	1564	my ($self) = @_;
…		…
1428		1578
1429	sub reset_at {	1579	sub reset_at {
1430	my ($self) = @_;	1580	my ($self) = @_;
1431		1581
1432	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1435		1585
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1588
…		…
1443	my ($self) = @_;	1593	my ($self) = @_;
1444		1594
1445	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1446	}	1596	}
1447		1597
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 {	1598	sub reset {
1470	my ($self) = @_;	1599	my ($self) = @_;
1471		1600
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1602
1474	return if $self->players;	1603	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1476		1605
1477	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1478		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1479	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1480		1621
1481	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1482		1623
1483	$self->unlink_save;	1624	$self->unlink_save;
1484	$self->destroy;	1625	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1488		1629
1489	sub nuke {	1630	sub nuke {
1490	my ($self) = @_;	1631	my ($self) = @_;
1491		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1495	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1496	}	1646	}
1497		1647
1498	sub customise_for {	1648	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1649
1501	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1503	}
1504		1652
1505	$map	1653	=cut
1506	}
1507		1654
1508	sub emergency_save {	1655	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1510		1658
1511	warn "enter emergency perl save\n";	1659	my @paths;
1512		1660
1513	cf::sync_job {	1661	for (@$files) {
1514	warn "begin emergency player save\n";	1662	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1663	next if /\.pst$/;
1516	warn "end emergency player save\n";	1664	next unless /^$PATH_SEP/o;
1517		1665
1518	warn "begin emergency map save\n";	1666	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1667	}
1522		1668
1523	warn "leave emergency perl save\n";	1669	\@paths
1524	}	1670	}
1525		1671
1526	package cf;	1672	package cf;
1527		1673
1528	=back	1674	=back
1529		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1530		1702
1531	=head3 cf::object::player	1703	=head3 cf::object::player
1532		1704
1533	=over 4	1705	=over 4
1534		1706
…		…
1574		1746
1575	=item $player_object->enter_link	1747	=item $player_object->enter_link
1576		1748
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1750
1579	The player should be reaosnably safe there for short amounts of time. You	1751	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.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1581		1753
		1754	Will never block.
		1755
1582	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1583		1757
1584	Moves the player out of the specila link map onto the given map. If the	1758	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	1759	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,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1761	fails, to the emergency map position.
1588		1762
1589	Might block.	1763	Might block.
1590		1764
1591	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1592		1776
1593	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1778	my ($self) = @_;
1595		1779
1596	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1597		1781
1598	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1783
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1785	if $self->map;
1602		1786
1603	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1788	}
1605		1789
1606	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1608		1792
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1629		1813
1630	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1631		1816
1632	return unless $self->contr->active;	1817	return unless $self->contr->active;
1633	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1635	}	1822	}
1636		1823
1637	cf::player->attach (	1824	cf::player->attach (
1638	on_logout => sub {	1825	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1839	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1655	(async {	1842	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,	1843	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1844	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",	1845	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);	1846	cf::NDI_RED);
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
1662	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1664	})->prio (2);	1851	})->prio (2);
1665	}	1852	}
1666	},	1853	},
…		…
1674	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1675		1862
1676	$self->enter_link;	1863	$self->enter_link;
1677		1864
1678	(async {	1865	(async {
1679	$path = new cf::path $path;	1866	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1683		1869	$map
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1685	# if $map;
1686
1687	$map or Carp::cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1872
1690	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1874	})->prio (1);
1692	}	1875	}
1693		1876
…		…
1697		1880
1698	sub parse_random_map_params {	1881	sub parse_random_map_params {
1699	my ($spec) = @_;	1882	my ($spec) = @_;
1700		1883
1701	my $rmp = { # defaults	1884	my $rmp = { # defaults
1702	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1704	};	1889	};
1705		1890
1706	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1708		1893
…		…
1712	$rmp	1897	$rmp
1713	}	1898	}
1714		1899
1715	sub prepare_random_map {	1900	sub prepare_random_map {
1716	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1904
1718	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1907	# that depends on the exit object
1721		1908
1722	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1723		1910
1724	if ($exit->map) {	1911	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1729	}	1916	}
1730		1917
1731	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1732		1919
1733	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1923
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1738		1928
1739	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1930	$exit->msg (undef);
1741	}	1931	}
1742	}	1932	}
1743		1933
1744	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1746		1936
1747	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
1748		1947
1749	$self->enter_link;	1948	$self->enter_link;
1750		1949
1751	(async {	1950	(async {
1752	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1952	unless (eval {
1754	prepare_random_map $exit	1953	$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		1954
1760	1;	1955	1;
1761	}) {	1956	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1961
1767	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1963	$self->leave_link;
1769	}	1964	}
…		…
1824	# get handled first	2019	# get handled first
1825	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2022
1828	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2025
1830	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1831		2027
1832	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2029	if (@$queue) {
…		…
1994	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1995	using it, it should be unique.	2191	using it, it should be unique.
1996		2192
1997	=over 4	2193	=over 4
1998		2194
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
2006		2196
2007	Returns a single value from the database	2197	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2198
2014	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
2015		2200
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2202
2027	=cut	2203	=cut
2028		2204
2029	our $DB;	2205	our $DB;
2030		2206
2031	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
2032	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
2033		2226
2034	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2231
2038	my $pid;	2232	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2233	};
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2234	}
2086	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2087	}	2252	}
2088		2253
2089	#############################################################################	2254	#############################################################################
2090	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
2091		2261
2092	sub cfg_load {	2262	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2264	or return;
2095		2265
…		…
2108	};	2278	};
2109	warn $@ if $@;	2279	warn $@ if $@;
2110	}	2280	}
2111	}	2281	}
2112		2282
		2283	sub init {
		2284	init_resources;
		2285	}
		2286
2113	sub main {	2287	sub main {
2114	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2291	(async {
2117	async { Event::one_event };	2292	Event::one_event;
		2293	})->prio (Coro::PRIO_MAX);
2118	};	2294	};
2119		2295
2120	cfg_load;	2296	cfg_load;
2121	db_load;	2297	db_init;
2122	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2123	Event::loop;	2301	Event::loop;
2124	}	2302	}
2125		2303
2126	#############################################################################	2304	#############################################################################
2127	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2128		2361
2129	sub reload() {	2362	sub reload() {
2130	# can/must only be called in main	2363	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2133	return;	2366	return;
2134	}	2367	}
2135		2368
2136	warn "reloading...";	2369	warn "reloading...";
2137		2370
2138	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2140		2377
2141	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2142	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2143		2382
2144	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2386	}
2148		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2149	# cancel all extension coros	2397	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2399	%EXT_CORO = ();
2152		2400
2153	# unload all extensions	2401	warn "removing commands";
2154	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2156	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2416	}
2158		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2159	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2425
2163	warn "removing <$k>";	2426	warn "... unloading $k";
2164	delete $INC{$k};	2427	delete $INC{$k};
2165		2428
2166	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2168		2431
…		…
2171	}	2434	}
2172		2435
2173	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2174	}	2437	}
2175		2438
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2442
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2189		2445
2190	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2447	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2193		2449
2194	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2195	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2196	require cf;	2453	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2455
2199	# load config and database again	2456	warn "loading config and database again";
2200	cf::cfg_load;	2457	cf::cfg_load;
2201	cf::db_load;
2202		2458
2203	# load extensions
2204	warn "load extensions";	2459	warn "loading extensions";
2205	cf::load_extensions;	2460	cf::load_extensions;
2206		2461
2207	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2463	_global_reattach;
		2464	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2465	reattach $_ for values %MAP;
2211	};
2212		2466
2213	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2214	warn $@;	2474	warn $@;
2215	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2216	exit 1;	2476	exit 1;
2217	}	2477	};
2218		2478
2219	warn "reloaded successfully";	2479	warn "reloaded";
2220	};	2480	};
2221		2481
2222	#############################################################################	2482	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} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2483
2267	register_command "reload" => sub {	2484	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2269		2486
2270	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2272	reload;	2498	reload;
2273	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2274	}	2502	}
2275	};	2503	};
2276		2504
2277	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2278		2508
2279	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2281	prio => 0,	2512	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2284	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2285	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2288		2541
2289	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2544
2292	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2294	},	2547	},
2295	);	2548	);
2296		2549
		2550	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2298		2552	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2553	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2301	poll => 'r',	2555	poll => 'r',
2302	prio => 5,	2556	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2309	after => 0,	2558	cb => \&BDB::poll_cb,
2310	interval => 10,	2559	);
2311	cb => sub {	2560	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2561
2313	write_runtime	2562	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	2596	};
2316	},	2597	}
2317	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2318		2614
2319	END { cf::emergency_save }	2615	END { cf::emergency_save }
2320		2616
2321	1	2617	1
2322		2618

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