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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 2007 UTC vs.
Revision 1.218 by root, Sat Feb 17 01:58:55 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(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
312		360
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	362	or return;
315		363
		364	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	369	and return;
319		370
		371	# always fsync - this file is important
320	aio_fsync $fh	372	aio_fsync $fh
321	and return;	373	and return;
322		374
323	close $fh	375	close $fh
324	or return;	376	or return;
…		…
330	}	382	}
331		383
332	=back	384	=back
333		385
334	=cut	386	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		387
456	#############################################################################	388	#############################################################################
457		389
458	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
459		391
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	518	our @CB_MAP = ();
587		519
588	my %attachment;	520	my %attachment;
589		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
590	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
592		530
593	use sort 'stable';	531	use sort 'stable';
594		532
…		…
765	# object support	703	# object support
766		704
767	sub reattach {	705	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		710
771	my $registry = $obj->registry;	711	my $registry = $obj->registry;
772		712
773	@$registry = ();	713	@$registry = ();
774		714
…		…
821	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
822		762
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	767	close $fh;
828		768
829	if (@$objs) {	769	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	775	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
837	}	777	}
838	} else {	778	} else {
839	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
906	=cut	846	=cut
907		847
908	sub register_extcmd {	848	sub register_extcmd {
909	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
910		850
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
915	}	852	}
916		853
917	cf::player->attach (	854	cf::player->attach (
918	on_command => sub {	855	on_command => sub {
919	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
932		869
933	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
934		871
935	if (ref $msg) {	872	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	876	}
940	}	877	}
941	} else {	878	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		881
945	cf::override;	882	cf::override;
946	},	883	},
947	);	884	);
948		885
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	886	sub load_extension {
956	my ($path) = @_;	887	my ($path) = @_;
957		888
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	890	my $base = $1;
960	my $pkg = $1;	891	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
963		894
964	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
965		896
966	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
967	or die "$path: $!";	898	or die "$path: $!";
968		899
969	my $source =	900	my $source =
970	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
973	. "\n};\n1";	904	. "\n};\n1";
974		905
975	eval $source	906	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	908	: "extension disabled.\n";
978		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	910	warn $@;
980	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
981		912	exit 1;
982	# no strict 'refs';	913	}
983	# @{"$pkg\::ISA"} = ext::;	914	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	915	}
998		916
999	# remove commands	917	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	918	}
1024		919
1025	sub load_extensions {	920	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	922	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1032	}	927	}
1033	}	928	}
1034		929
1035	#############################################################################	930	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		931
1073	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1074		933
1075	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1076		935
1077	=cut	936	=cut
1078		937
1079	package cf::player;	938	package cf::player;
		939
		940	use Coro::AIO;
1080		941
1081	=head3 cf::player	942	=head3 cf::player
1082		943
1083	=over 4	944	=over 4
1084		945
…		…
1110		971
1111	sub exists($) {	972	sub exists($) {
1112	my ($login) = @_;	973	my ($login) = @_;
1113		974
1114	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1116	}	977	}
1117		978
1118	sub find($) {	979	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	981	my $login = $_[0];
…		…
1137	my $path = path $pl;	998	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	999	my $guard = cf::lock_acquire "user_save:$path";
1139		1000
1140	return if $pl->{deny_save};	1001	return if $pl->{deny_save};
1141		1002
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1003	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1004	$pl->{last_save} = $cf::RUNTIME;
1144		1005
1145	$pl->save_pl ($path);	1006	$pl->save_pl ($path);
1146	Coro::cede;	1007	Coro::cede;
1147	}	1008	}
…		…
1156		1017
1157	$cf::PLAYER{$login} = $self;	1018	$cf::PLAYER{$login} = $self;
1158		1019
1159	$self	1020	$self
1160	}	1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
1161		1029
1162	sub quit_character {	1030	sub quit_character {
1163	my ($pl) = @_;	1031	my ($pl) = @_;
1164		1032
1165	$pl->{deny_save} = 1;	1033	$pl->{deny_save} = 1;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1039	$pl->ns->destroy if $pl->ns;
1172		1040
1173	my $path = playerdir $pl;	1041	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1042	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1043	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1044	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1045	$pl->destroy;
1178	IO::AIO::aio_rmtree $temp;	1046	IO::AIO::aio_rmtree $temp;
1179	}	1047	}
1180		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
		1100	}
		1101
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1103
1183	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1184		1105
1185	=cut	1106	=cut
…		…
1206	package cf::map;	1127	package cf::map;
1207		1128
1208	use Fcntl;	1129	use Fcntl;
1209	use Coro::AIO;	1130	use Coro::AIO;
1210		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1211	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1213		1138
1214	sub generate_random_map {	1139	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1142	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1284	}
1232		1285
1233	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1234	# all maps in C++...	1287	# all maps in C++...
1235	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1237		1290
1238	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1240	}	1293	}
1241		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1242	sub try_load_header($) {	1303	sub load_header_from($) {
1243	my ($path) = @_;	1304	my ($self, $path) = @_;
1244		1305
1245	utf8::encode $path;	1306	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1247	or return;	1311	or return;
1248		1312
1249	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1250	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1251		1359
1252	# for better error messages only, will be overwritten	1360	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1361	}
1262		1362
1263	sub find;	1363	sub find;
1264	sub find {	1364	sub find {
1265	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1266		1366
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1368
1272	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1273		1370
1274	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1276		1373	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;	1374	or return;
1296		1375
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;	1376	$map->{last_save} = $cf::RUNTIME;
1309		1377
1310	Coro::cede;	1378	$map->load_header
		1379	or return;
1311		1380
1312	if ($map->should_reset) {	1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1384	$map->reset;
1314	undef $guard;	1385	undef $guard;
1315	$map = find $path	1386	return find $path;
1316	or return;
1317	}	1387	}
1318		1388
1319	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1320	}	1390	}
1321	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1322		1395
1323	sub load {	1396	sub load {
1324	my ($self) = @_;	1397	my ($self) = @_;
1325		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1326	my $path = $self->{path};	1401	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1328		1403
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1405
1331	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1332		1407
1333	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1334	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1413	or return;
1336		1414
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1416	if delete $self->{load_original};
1339		1417
1340	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1419	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1421	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1345	}	1423	}
1346	}	1424	}
1347		1425
1348	Coro::cede;	1426	Coro::cede;
1349		1427
1350	# now do the right thing for maps	1428	# now do the right thing for maps
1351	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1352		1430
1353	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1432	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1360	$self->set_darkness_map;	1436	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1363	$self->activate;	1440	$self->activate;
1364	}	1441	}
1365		1442
1366	Coro::cede;	1443	$self->post_load;
1367		1444
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1369	}	1479	}
1370		1480
1371	sub find_sync {	1481	sub find_sync {
1372	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1373		1483
1374	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1375	}	1485	}
1376		1486
1377	sub do_load_sync {	1487	sub do_load_sync {
1378	my ($map) = @_;	1488	my ($map) = @_;
1379		1489
1380	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1381	}	1491	}
1382		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1383	sub save {	1523	sub save {
1384	my ($self) = @_;	1524	my ($self) = @_;
1385		1525
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1527
1388	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1389		1529
1390	return unless $self->dirty;	1530	return unless $self->dirty;
1391		1531
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1534
1395	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1396		1536
1397	return if $self->{deny_save};	1537	return if $self->{deny_save};
1398		1538
…		…
1401	cf::async {	1541	cf::async {
1402	$_->contr->save for $self->players;	1542	$_->contr->save for $self->players;
1403	};	1543	};
1404		1544
1405	if ($uniq) {	1545	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1548	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1550	}
1411	}	1551	}
1412		1552
1413	sub swap_out {	1553	sub swap_out {
1414	my ($self) = @_;	1554	my ($self) = @_;
…		…
1428		1568
1429	sub reset_at {	1569	sub reset_at {
1430	my ($self) = @_;	1570	my ($self) = @_;
1431		1571
1432	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1435		1575
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1578
…		…
1443	my ($self) = @_;	1583	my ($self) = @_;
1444		1584
1445	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1446	}	1586	}
1447		1587
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 {	1588	sub reset {
1470	my ($self) = @_;	1589	my ($self) = @_;
1471		1590
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1592
1474	return if $self->players;	1593	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1476		1595
1477	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1478		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1479	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1480		1611
1481	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1482		1613
1483	$self->unlink_save;	1614	$self->unlink_save;
1484	$self->destroy;	1615	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1488		1619
1489	sub nuke {	1620	sub nuke {
1490	my ($self) = @_;	1621	my ($self) = @_;
1491		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1495	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1496	}	1636	}
1497		1637
1498	sub customise_for {	1638	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1639
1501	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1503	}
1504		1642
1505	$map	1643	=cut
1506	}
1507		1644
1508	sub emergency_save {	1645	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1510		1648
1511	warn "enter emergency perl save\n";	1649	my @paths;
1512		1650
1513	cf::sync_job {	1651	for (@$files) {
1514	warn "begin emergency player save\n";	1652	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1653	next if /\.pst$/;
1516	warn "end emergency player save\n";	1654	next unless /^$PATH_SEP/o;
1517		1655
1518	warn "begin emergency map save\n";	1656	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1657	}
1522		1658
1523	warn "leave emergency perl save\n";	1659	\@paths
1524	}	1660	}
1525		1661
1526	package cf;	1662	package cf;
1527		1663
1528	=back	1664	=back
1529		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1530		1692
1531	=head3 cf::object::player	1693	=head3 cf::object::player
1532		1694
1533	=over 4	1695	=over 4
1534		1696
…		…
1574		1736
1575	=item $player_object->enter_link	1737	=item $player_object->enter_link
1576		1738
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1740
1579	The player should be reaosnably safe there for short amounts of time. You	1741	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.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1581		1743
		1744	Will never block.
		1745
1582	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1583		1747
1584	Moves the player out of the specila link map onto the given map. If the	1748	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	1749	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,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1751	fails, to the emergency map position.
1588		1752
1589	Might block.	1753	Might block.
1590		1754
1591	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1592		1766
1593	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1768	my ($self) = @_;
1595		1769
1596	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1597		1771
1598	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1773
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1775	if $self->map;
1602		1776
1603	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1778	}
1605		1779
1606	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1608		1782
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1629		1803
1630	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1631		1806
1632	return unless $self->contr->active;	1807	return unless $self->contr->active;
1633	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1635	}	1812	}
1636		1813
1637	cf::player->attach (	1814	cf::player->attach (
1638	on_logout => sub {	1815	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1829	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1655	(async {	1832	(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,	1833	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1834	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",	1835	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);	1836	cf::NDI_RED);
		1837	# we need this sleep as the login has a concurrent enter_exit running
		1838	# and this sleep increases chances of the player not ending up in scorn
1662	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1664	})->prio (2);	1841	})->prio (2);
1665	}	1842	}
1666	},	1843	},
…		…
1671	=cut	1848	=cut
1672		1849
1673	sub cf::object::player::goto {	1850	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1675		1852
1676	$path = new cf::path $path;
1677	$path ne "/" or Carp::cluck ("oy");#d#
1678
1679	$self->enter_link;	1853	$self->enter_link;
1680		1854
1681	(async {	1855	(async {
		1856	my $map = eval {
1682	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1683	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1684		1859	$map
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1862
1690	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1864	})->prio (1);
1692	}	1865	}
1693		1866
…		…
1697		1870
1698	sub parse_random_map_params {	1871	sub parse_random_map_params {
1699	my ($spec) = @_;	1872	my ($spec) = @_;
1700		1873
1701	my $rmp = { # defaults	1874	my $rmp = { # defaults
1702	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1704	};	1879	};
1705		1880
1706	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1708		1883
…		…
1712	$rmp	1887	$rmp
1713	}	1888	}
1714		1889
1715	sub prepare_random_map {	1890	sub prepare_random_map {
1716	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1894
1718	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1897	# that depends on the exit object
1721		1898
1722	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1723		1900
1724	if ($exit->map) {	1901	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1729	}	1906	}
1730		1907
1731	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1732		1909
1733	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1913
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1738		1918
1739	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1920	$exit->msg (undef);
1741	}	1921	}
1742	}	1922	}
1743		1923
1744	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1746		1926
1747	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
1748		1937
1749	$self->enter_link;	1938	$self->enter_link;
1750		1939
1751	(async {	1940	(async {
1752	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1942	unless (eval {
1754	prepare_random_map $exit	1943	$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		1944
1760	1;	1945	1;
1761	}) {	1946	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1951
1767	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1953	$self->leave_link;
1769	}	1954	}
…		…
1824	# get handled first	2009	# get handled first
1825	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2012
1828	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2015
1830	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1831		2017
1832	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2019	if (@$queue) {
…		…
1994	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
1995	using it, it should be unique.	2181	using it, it should be unique.
1996		2182
1997	=over 4	2183	=over 4
1998		2184
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	2185	=item $value = cf::db_get $family => $key
2006		2186
2007	Returns a single value from the database	2187	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		2188
2014	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
2015		2190
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	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		2192
2027	=cut	2193	=cut
2028		2194
2029	our $DB;	2195	our $DB;
2030		2196
2031	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
2032	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
2033		2216
2034	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2221
2038	my $pid;	2222	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	}	2223	};
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	},	2224	}
2086	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2087	}	2242	}
2088		2243
2089	#############################################################################	2244	#############################################################################
2090	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
2091		2251
2092	sub cfg_load {	2252	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2254	or return;
2095		2255
…		…
2108	};	2268	};
2109	warn $@ if $@;	2269	warn $@ if $@;
2110	}	2270	}
2111	}	2271	}
2112		2272
		2273	sub init {
		2274	init_resources;
		2275	}
		2276
2113	sub main {	2277	sub main {
2114	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2281	(async {
2117	async { Event::one_event };	2282	Event::one_event;
		2283	})->prio (Coro::PRIO_MAX);
2118	};	2284	};
2119		2285
2120	cfg_load;	2286	cfg_load;
2121	db_load;	2287	db_init;
2122	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2123	Event::loop;	2291	Event::loop;
2124	}	2292	}
2125		2293
2126	#############################################################################	2294	#############################################################################
2127	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2128		2351
2129	sub reload() {	2352	sub reload() {
2130	# can/must only be called in main	2353	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2133	return;	2356	return;
2134	}	2357	}
2135		2358
2136	warn "reloading...";	2359	warn "reloading...";
2137		2360
2138	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2140		2367
2141	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2142	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2143		2372
2144	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2376	}
2148		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2149	# cancel all extension coros	2387	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2389	%EXT_CORO = ();
2152		2390
2153	# unload all extensions	2391	warn "removing commands";
2154	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2156	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2406	}
2158		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2159	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2415
2163	warn "removing <$k>";	2416	warn "... unloading $k";
2164	delete $INC{$k};	2417	delete $INC{$k};
2165		2418
2166	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2168		2421
…		…
2171	}	2424	}
2172		2425
2173	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2174	}	2427	}
2175		2428
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2432
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2189		2435
2190	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2437	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2193		2439
2194	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2195	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2196	require cf;	2443	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2445
2199	# load config and database again	2446	warn "loading config and database again";
2200	cf::cfg_load;	2447	cf::cfg_load;
2201	cf::db_load;
2202		2448
2203	# load extensions
2204	warn "load extensions";	2449	warn "loading extensions";
2205	cf::load_extensions;	2450	cf::load_extensions;
2206		2451
2207	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2453	_global_reattach;
		2454	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2455	reattach $_ for values %MAP;
2211	};
2212		2456
2213	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2214	warn $@;	2464	warn $@;
2215	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2216	exit 1;	2466	exit 1;
2217	}	2467	};
2218		2468
2219	warn "reloaded successfully";	2469	warn "reloaded";
2220	};	2470	};
2221		2471
2222	#############################################################################	2472	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} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2473
2267	register_command "reload" => sub {	2474	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2269		2476
2270	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2272	reload;	2488	reload;
2273	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2274	}	2492	}
2275	};	2493	};
2276		2494
2277	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2278		2498
2279	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2281	prio => 0,	2502	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2284	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2285	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2288		2531
2289	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2534
2292	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2294	},	2537	},
2295	);	2538	);
2296		2539
		2540	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2541	BDB::max_poll_time $TICK * 0.1;
2298		2542	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2543	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2544	fd => BDB::poll_fileno,
2301	poll => 'r',	2545	poll => 'r',
2302	prio => 5,	2546	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2547	data => WF_AUTOCANCEL,
2309	after => 0,	2548	cb => \&BDB::poll_cb,
2310	interval => 10,	2549	);
2311	cb => sub {	2550	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2551
2313	write_runtime	2552	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	2553	my $status;
		2554	my $current = $Coro::current;
		2555	(
		2556	sub {
		2557	$status = $!;
		2558	$current->ready; undef $current;
		2559	},
		2560	sub {
		2561	Coro::schedule while defined $current;
		2562	$! = $status;
		2563	},
		2564	)
		2565	};
		2566
		2567	unless ($DB_ENV) {
		2568	$DB_ENV = BDB::db_env_create;
		2569
		2570	cf::sync_job {
		2571	eval {
		2572	BDB::db_env_open
		2573	$DB_ENV,
		2574	$BDB_ENV_DIR,
		2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2577	0666;
		2578
		2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2580
		2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2582	$DB_ENV->set_lk_detect;
		2583	};
		2584
		2585	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	2586	};
2316	},	2587	}
2317	);	2588	}
		2589
		2590	{
		2591	IO::AIO::min_parallel 8;
		2592
		2593	undef $Coro::AIO::WATCHER;
		2594	IO::AIO::max_poll_time $TICK * 0.1;
		2595	$AIO_POLL_WATCHER = Event->io (
		2596	reentrant => 0,
		2597	data => WF_AUTOCANCEL,
		2598	fd => IO::AIO::poll_fileno,
		2599	poll => 'r',
		2600	prio => 6,
		2601	cb => \&IO::AIO::poll_cb,
		2602	);
		2603	}
2318		2604
2319	END { cf::emergency_save }	2605	END { cf::emergency_save }
2320		2606
2321	1	2607	1
2322		2608

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