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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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];
1121		984
1122	my $guard = cf::lock_acquire "user_find:$login";	985	my $guard = cf::lock_acquire "user_find:$login";
1123		986
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
1125	};	992	}
1126	}	993	}
1127		994
1128	sub save($) {	995	sub save($) {
1129	my ($pl) = @_;	996	my ($pl) = @_;
1130		997
…		…
1133	my $path = path $pl;	1000	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1001	my $guard = cf::lock_acquire "user_save:$path";
1135		1002
1136	return if $pl->{deny_save};	1003	return if $pl->{deny_save};
1137		1004
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1005	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1006	$pl->{last_save} = $cf::RUNTIME;
1140		1007
1141	$pl->save_pl ($path);	1008	$pl->save_pl ($path);
1142	Coro::cede;	1009	Coro::cede;
1143	}	1010	}
…		…
1153	$cf::PLAYER{$login} = $self;	1020	$cf::PLAYER{$login} = $self;
1154		1021
1155	$self	1022	$self
1156	}	1023	}
1157		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
1158	sub quit_character {	1032	sub quit_character {
1159	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1160		1036
1161	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1162	$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
1163		1039
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1043	$pl->ns->destroy if $pl->ns;
1168		1044
1169	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1173	$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
1174	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1175	}	1124	}
1176		1125
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1178		1127
1179	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
…		…
1202	package cf::map;	1151	package cf::map;
1203		1152
1204	use Fcntl;	1153	use Fcntl;
1205	use Coro::AIO;	1154	use Coro::AIO;
1206		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1207	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1209		1162
1210	sub generate_random_map {	1163	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1212
1213	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1166	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227	}	1308	}
1228		1309
1229	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1230	# all maps in C++...	1311	# all maps in C++...
1231	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1233		1314
1234	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1235	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1236	}	1317	}
1237		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1238	sub try_load_header($) {	1327	sub load_header_from($) {
1239	my ($path) = @_;	1328	my ($self, $path) = @_;
1240		1329
1241	utf8::encode $path;	1330	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1243	or return;	1335	or return;
1244		1336
1245	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1246	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1247		1383
1248	# for better error messages only, will be overwritten	1384	1
1249	$map->path ($path);
1250
1251	$map->load_header ($path)
1252	or return;
1253
1254	$map->{load_path} = $path;
1255
1256	$map
1257	}	1385	}
1258		1386
1259	sub find;	1387	sub find;
1260	sub find {	1388	sub find {
1261	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1262		1390
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		1392
1268	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1269		1394
1270	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1272		1397	my $map = new_from_path cf::map $path
1273	# do it the slow way
1274	my $map = try_load_header $path->save_path;
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	1398	or return;
1292		1399
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1305		1401
1306	Coro::cede;	1402	$map->load_header
		1403	or return;
1307		1404
1308	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1309	$map->reset;	1408	$map->reset;
1310	undef $guard;	1409	undef $guard;
1311	$map = find $path	1410	return find $path;
1312	or return;
1313	}	1411	}
1314		1412
1315	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1316	}	1414	}
1317	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1318		1419
1319	sub load {	1420	sub load {
1320	my ($self) = @_;	1421	my ($self) = @_;
1321		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1322	my $path = $self->{path};	1425	my $path = $self->{path};
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1324		1427
1325	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1326		1429
1327	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1328		1431
1329	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1330	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1331	or return;	1437	or return;
1332		1438
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334	if delete $self->{load_original};	1440	if delete $self->{load_original};
1335		1441
1336	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	1443	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1339	$self->clear_unique_items;	1445	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1341	}	1447	}
1342	}	1448	}
1343		1449
1344	Coro::cede;	1450	Coro::cede;
1345		1451
1346	# now do the right thing for maps	1452	# now do the right thing for maps
1347	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1348		1454
1349	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1350	$self->{deny_save} = 1;	1456	$self->decay_objects;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1356	$self->set_darkness_map;	1460	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1359	$self->activate;	1464	$self->activate;
1360	}	1465	}
1361		1466
1362	Coro::cede;	1467	$self->post_load;
1363		1468
1364	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1365	}	1503	}
1366		1504
1367	sub find_sync {	1505	sub find_sync {
1368	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1369		1507
1370	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1371	}	1509	}
1372		1510
1373	sub do_load_sync {	1511	sub do_load_sync {
1374	my ($map) = @_;	1512	my ($map) = @_;
1375		1513
1376	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1377	}	1515	}
1378		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1379	sub save {	1547	sub save {
1380	my ($self) = @_;	1548	my ($self) = @_;
1381		1549
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1383		1551
1384	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1385		1553
1386	return unless $self->dirty;	1554	return unless $self->dirty;
1387		1555
1388	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1390		1558
1391	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1392		1560
1393	return if $self->{deny_save};	1561	return if $self->{deny_save};
1394		1562
…		…
1397	cf::async {	1565	cf::async {
1398	$_->contr->save for $self->players;	1566	$_->contr->save for $self->players;
1399	};	1567	};
1400		1568
1401	if ($uniq) {	1569	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {	1572	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}	1574	}
1407	}	1575	}
1408		1576
1409	sub swap_out {	1577	sub swap_out {
1410	my ($self) = @_;	1578	my ($self) = @_;
…		…
1424		1592
1425	sub reset_at {	1593	sub reset_at {
1426	my ($self) = @_;	1594	my ($self) = @_;
1427		1595
1428	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1430	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1431		1599
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		1602
…		…
1439	my ($self) = @_;	1607	my ($self) = @_;
1440		1608
1441	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1442	}	1610	}
1443		1611
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	1612	sub reset {
1466	my ($self) = @_;	1613	my ($self) = @_;
1467		1614
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		1616
1470	return if $self->players;	1617	return if $self->players;
1471	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1472		1619
1473	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1474		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1475	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1476		1635
1477	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1478		1637
1479	$self->unlink_save;	1638	$self->unlink_save;
1480	$self->destroy;	1639	$self->destroy;
…		…
1483	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1484		1643
1485	sub nuke {	1644	sub nuke {
1486	my ($self) = @_;	1645	my ($self) = @_;
1487		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1491	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1492	}	1660	}
1493		1661
1494	sub customise_for {	1662	=item cf::map::unique_maps
1495	my ($map, $ob) = @_;
1496		1663
1497	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1499	}
1500		1666
1501	$map	1667	=cut
1502	}
1503		1668
1504	sub emergency_save {	1669	sub unique_maps() {
1505	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1506		1672
1507	warn "enter emergency perl save\n";	1673	my @paths;
1508		1674
1509	cf::sync_job {	1675	for (@$files) {
1510	warn "begin emergency player save\n";	1676	utf8::decode $_;
1511	$_->save for values %cf::PLAYER;	1677	next if /\.pst$/;
1512	warn "end emergency player save\n";	1678	next unless /^$PATH_SEP/o;
1513		1679
1514	warn "begin emergency map save\n";	1680	push @paths, cf::map::normalise $_;
1515	$_->save for values %cf::MAP;
1516	warn "end emergency map save\n";
1517	};	1681	}
1518		1682
1519	warn "leave emergency perl save\n";	1683	\@paths
1520	}	1684	}
1521		1685
1522	package cf;	1686	package cf;
1523		1687
1524	=back	1688	=back
1525		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1526		1716
1527	=head3 cf::object::player	1717	=head3 cf::object::player
1528		1718
1529	=over 4	1719	=over 4
1530		1720
…		…
1570		1760
1571	=item $player_object->enter_link	1761	=item $player_object->enter_link
1572		1762
1573	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1574		1764
1575	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1576	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1577		1767
		1768	Will never block.
		1769
1578	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1579		1771
1580	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	1775	fails, to the emergency map position.
1584		1776
1585	Might block.	1777	Might block.
1586		1778
1587	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1588		1790
1589	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1590	my ($self) = @_;	1792	my ($self) = @_;
1591		1793
1592	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1593		1795
1594	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		1797
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	1799	if $self->map;
1598		1800
1599	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1600	}	1802	}
1601		1803
1602	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1604		1806
…		…
1622	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1625		1827
1626	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1627		1830
1628	return unless $self->contr->active;	1831	return unless $self->contr->active;
1629	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1631	}	1836	}
1632		1837
1633	cf::player->attach (	1838	cf::player->attach (
1634	on_logout => sub {	1839	on_logout => sub {
…		…
1647	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1648	# should happen only on crashes	1853	# should happen only on crashes
1649	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1650	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1651	(async {	1856	(async {
1652	# we need this sleep as the login has a concurrent enter_exit running
1653	# and this sleep increases chances of the player not ending up in scorn
1654	$pl->ob->reply (undef,	1857	$pl->ob->reply (undef,
1655	"There was an internal problem at your last logout, "	1858	"There was an internal problem at your last logout, "
1656	. "the server will try to bring you to your intended destination in a second.",	1859	. "the server will try to bring you to your intended destination in a second.",
1657	cf::NDI_RED);	1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
1658	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1659	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1660	})->prio (2);	1865	})->prio (2);
1661	}	1866	}
1662	},	1867	},
…		…
1670	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1671		1876
1672	$self->enter_link;	1877	$self->enter_link;
1673		1878
1674	(async {	1879	(async {
1675	$path = new cf::path $path;	1880	my $map = eval {
1676
1677	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1678	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1679		1883	$map
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1886
1686	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1888	})->prio (1);
1688	}	1889	}
1689		1890
…		…
1693		1894
1694	sub parse_random_map_params {	1895	sub parse_random_map_params {
1695	my ($spec) = @_;	1896	my ($spec) = @_;
1696		1897
1697	my $rmp = { # defaults	1898	my $rmp = { # defaults
1698	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1700	};	1903	};
1701		1904
1702	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1704		1907
…		…
1708	$rmp	1911	$rmp
1709	}	1912	}
1710		1913
1711	sub prepare_random_map {	1914	sub prepare_random_map {
1712	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1918
1714	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1921	# that depends on the exit object
1717		1922
1718	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1719		1924
1720	if ($exit->map) {	1925	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1725	}	1930	}
1726		1931
1727	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1728		1933
1729	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1937
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1734		1942
1735	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1944	$exit->msg (undef);
1737	}	1945	}
1738	}	1946	}
1739		1947
1740	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1742		1950
1743	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
1744		1961
1745	$self->enter_link;	1962	$self->enter_link;
1746		1963
1747	(async {	1964	(async {
1748	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1966	unless (eval {
1750	prepare_random_map $exit	1967	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1968
1756	1;	1969	1;
1757	}) {	1970	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1975
1763	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1977	$self->leave_link;
1765	}	1978	}
…		…
1820	# get handled first	2033	# get handled first
1821	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2036
1824	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2039
1826	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1827		2041
1828	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2043	if (@$queue) {
…		…
1990	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2205	using it, it should be unique.
1992		2206
1993	=over 4	2207	=over 4
1994		2208
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
2002		2210
2003	Returns a single value from the database	2211	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2212
2010	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
2011		2214
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2216
2023	=cut	2217	=cut
2024		2218
2025	our $DB;	2219	our $DB;
2026		2220
2027	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
2028	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
2029		2240
2030	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2245
2034	my $pid;	2246	unlink $path;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2247	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2248	}
2082	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2083	}	2266	}
2084		2267
2085	#############################################################################	2268	#############################################################################
2086	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
2087		2275
2088	sub cfg_load {	2276	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2278	or return;
2091		2279
…		…
2104	};	2292	};
2105	warn $@ if $@;	2293	warn $@ if $@;
2106	}	2294	}
2107	}	2295	}
2108		2296
		2297	sub init {
		2298	init_resources;
		2299	}
		2300
2109	sub main {	2301	sub main {
2110	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2305	(async {
2113	async { Event::one_event };	2306	Event::one_event;
		2307	})->prio (Coro::PRIO_MAX);
2114	};	2308	};
2115		2309
2116	cfg_load;	2310	cfg_load;
2117	db_load;	2311	db_init;
2118	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2119	Event::loop;	2315	Event::loop;
2120	}	2316	}
2121		2317
2122	#############################################################################	2318	#############################################################################
2123	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2124		2375
2125	sub reload() {	2376	sub reload() {
2126	# can/must only be called in main	2377	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2129	return;	2380	return;
2130	}	2381	}
2131		2382
2132	warn "reloading...";	2383	warn "reloading...";
2133		2384
2134	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2136		2391
2137	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2138	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2139		2396
2140	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2400	}
2144		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2145	# cancel all extension coros	2411	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2413	%EXT_CORO = ();
2148		2414
2149	# unload all extensions	2415	warn "removing commands";
2150	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2152	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2430	}
2154		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2155	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2439
2159	warn "removing <$k>";	2440	warn "... unloading $k";
2160	delete $INC{$k};	2441	delete $INC{$k};
2161		2442
2162	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2164		2445
…		…
2167	}	2448	}
2168		2449
2169	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2170	}	2451	}
2171		2452
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2456
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2185		2459
2186	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2461	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2189		2463
2190	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2191	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2192	require cf;	2467	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2469
2195	# load config and database again	2470	warn "loading config and database again";
2196	cf::cfg_load;	2471	cf::cfg_load;
2197	cf::db_load;
2198		2472
2199	# load extensions
2200	warn "load extensions";	2473	warn "loading extensions";
2201	cf::load_extensions;	2474	cf::load_extensions;
2202		2475
2203	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2477	_global_reattach; # objects, sockets
2205	_global_reattach;	2478	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2479	reattach $_ for values %MAP;
2207	};	2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2208		2482
2209	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2210	warn $@;	2490	warn $@;
2211	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2212	exit 1;	2492	exit 1;
2213	}	2493	};
2214		2494
2215	warn "reloaded successfully";	2495	warn "reloaded";
2216	};	2496	};
2217		2497
2218	#############################################################################	2498	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2499
2263	register_command "reload" => sub {	2500	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2265		2502
2266	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2268	reload;	2514	reload;
2269	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2270	}	2518	}
2271	};	2519	};
2272		2520
2273	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2274		2524
2275	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2277	prio => 0,	2528	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2280	cb => sub {	2531	cb => sub {
		2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2281	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
		2552	$WAIT_FOR_TICK->broadcast;
		2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2284		2557
2285	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2560
2288	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2290	},	2563	},
2291	);	2564	);
2292		2565
		2566	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2294		2568	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2569	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2297	poll => 'r',	2571	poll => 'r',
2298	prio => 5,	2572	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2305	after => 0,	2574	cb => \&BDB::poll_cb,
2306	interval => 10,	2575	);
2307	cb => sub {	2576	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2577
2309	write_runtime	2578	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2612	};
2312	},	2613	}
2313	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
2314		2630
2315	END { cf::emergency_save }	2631	END { cf::emergency_save }
2316		2632
2317	1	2633	1
2318		2634

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