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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 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	}
…		…
1152		1019
1153	$cf::PLAYER{$login} = $self;	1020	$cf::PLAYER{$login} = $self;
1154		1021
1155	$self	1022	$self
1156	}	1023	}
		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
1157		1031
1158	sub quit_character {	1032	sub quit_character {
1159	my ($pl) = @_;	1033	my ($pl) = @_;
1160		1034
1161	$pl->{deny_save} = 1;	1035	$pl->{deny_save} = 1;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1041	$pl->ns->destroy if $pl->ns;
1168		1042
1169	my $path = playerdir $pl;	1043	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1044	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1045	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1046	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1047	$pl->destroy;
1174
1175	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
1176	};	1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1177	}	1102	}
1178		1103
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1180		1105
1181	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
…		…
1204	package cf::map;	1129	package cf::map;
1205		1130
1206	use Fcntl;	1131	use Fcntl;
1207	use Coro::AIO;	1132	use Coro::AIO;
1208		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1209	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1211		1140
1212	sub generate_random_map {	1141	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1144	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1229	}	1286	}
1230		1287
1231	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1232	# all maps in C++...	1289	# all maps in C++...
1233	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1235		1292
1236	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1238	}	1295	}
1239		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1240	sub try_load_header($) {	1305	sub load_header_from($) {
1241	my ($path) = @_;	1306	my ($self, $path) = @_;
1242		1307
1243	utf8::encode $path;	1308	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1245	or return;	1313	or return;
1246		1314
1247	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1248	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1249		1361
1250	# for better error messages only, will be overwritten	1362	1
1251	$map->path ($path);
1252
1253	$map->load_header ($path)
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1363	}
1260		1364
1261	sub find;	1365	sub find;
1262	sub find {	1366	sub find {
1263	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1264		1368
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1370
1270	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1271		1372
1272	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1274		1375	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1376	or return;
1294		1377
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1307		1379
1308	Coro::cede;	1380	$map->load_header
		1381	or return;
1309		1382
1310	if ($map->should_reset) {	1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1311	$map->reset;	1386	$map->reset;
1312	undef $guard;	1387	undef $guard;
1313	$map = find $path	1388	return find $path;
1314	or return;
1315	}	1389	}
1316		1390
1317	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1318	}	1392	}
1319	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1320		1397
1321	sub load {	1398	sub load {
1322	my ($self) = @_;	1399	my ($self) = @_;
1323		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1324	my $path = $self->{path};	1403	my $path = $self->{path};
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1326		1405
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1407
1329	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1330		1409
1331	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1332	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1415	or return;
1334		1416
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1418	if delete $self->{load_original};
1337		1419
1338	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1421	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1423	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1343	}	1425	}
1344	}	1426	}
1345		1427
1346	Coro::cede;	1428	Coro::cede;
1347		1429
1348	# now do the right thing for maps	1430	# now do the right thing for maps
1349	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1350		1432
1351	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1352	$self->{deny_save} = 1;	1434	$self->decay_objects;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1358	$self->set_darkness_map;	1438	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1361	$self->activate;	1442	$self->activate;
1362	}	1443	}
1363		1444
1364	Coro::cede;	1445	$self->post_load;
1365		1446
1366	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
		1448	}
		1449
		1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
1367	}	1481	}
1368		1482
1369	sub find_sync {	1483	sub find_sync {
1370	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1371		1485
1372	cf::sync_job { cf::map::find $path, $origin }	1486	cf::sync_job { find $path, $origin }
1373	}	1487	}
1374		1488
1375	sub do_load_sync {	1489	sub do_load_sync {
1376	my ($map) = @_;	1490	my ($map) = @_;
1377		1491
1378	cf::sync_job { $map->load };	1492	cf::sync_job { $map->load };
1379	}	1493	}
1380		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
		1513	$map->load;
		1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
		1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
		1523	}
		1524
1381	sub save {	1525	sub save {
1382	my ($self) = @_;	1526	my ($self) = @_;
1383		1527
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1529
1386	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1387		1531
1388	return unless $self->dirty;	1532	return unless $self->dirty;
1389		1533
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1536
1393	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1394		1538
1395	return if $self->{deny_save};	1539	return if $self->{deny_save};
1396		1540
…		…
1399	cf::async {	1543	cf::async {
1400	$_->contr->save for $self->players;	1544	$_->contr->save for $self->players;
1401	};	1545	};
1402		1546
1403	if ($uniq) {	1547	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1550	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1552	}
1409	}	1553	}
1410		1554
1411	sub swap_out {	1555	sub swap_out {
1412	my ($self) = @_;	1556	my ($self) = @_;
…		…
1426		1570
1427	sub reset_at {	1571	sub reset_at {
1428	my ($self) = @_;	1572	my ($self) = @_;
1429		1573
1430	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1433		1577
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1580
…		…
1441	my ($self) = @_;	1585	my ($self) = @_;
1442		1586
1443	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1444	}	1588	}
1445		1589
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1590	sub reset {
1468	my ($self) = @_;	1591	my ($self) = @_;
1469		1592
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1594
1472	return if $self->players;	1595	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1474		1597
1475	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1476		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1477	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1478		1613
1479	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1480		1615
1481	$self->unlink_save;	1616	$self->unlink_save;
1482	$self->destroy;	1617	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1486		1621
1487	sub nuke {	1622	sub nuke {
1488	my ($self) = @_;	1623	my ($self) = @_;
1489		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1493	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1494	}	1638	}
1495		1639
1496	sub customise_for {	1640	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1641
1499	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1501	}
1502		1644
1503	$map	1645	=cut
1504	}
1505		1646
1506	sub emergency_save {	1647	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1508		1650
1509	warn "enter emergency perl save\n";	1651	my @paths;
1510		1652
1511	cf::sync_job {	1653	for (@$files) {
1512	warn "begin emergency player save\n";	1654	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1655	next if /\.pst$/;
1514	warn "end emergency player save\n";	1656	next unless /^$PATH_SEP/o;
1515		1657
1516	warn "begin emergency map save\n";	1658	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1659	}
1520		1660
1521	warn "leave emergency perl save\n";	1661	\@paths
1522	}	1662	}
1523		1663
1524	package cf;	1664	package cf;
1525		1665
1526	=back	1666	=back
1527		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1528		1694
1529	=head3 cf::object::player	1695	=head3 cf::object::player
1530		1696
1531	=over 4	1697	=over 4
1532		1698
…		…
1572		1738
1573	=item $player_object->enter_link	1739	=item $player_object->enter_link
1574		1740
1575	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1576		1742
1577	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1578	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1579		1745
		1746	Will never block.
		1747
1580	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1581		1749
1582	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1753	fails, to the emergency map position.
1586		1754
1587	Might block.	1755	Might block.
1588		1756
1589	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1590		1768
1591	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1770	my ($self) = @_;
1593		1771
1594	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1595		1773
1596	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1775
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1777	if $self->map;
1600		1778
1601	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1780	}
1603		1781
1604	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1606		1784
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1627		1805
1628	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1629		1808
1630	return unless $self->contr->active;	1809	return unless $self->contr->active;
1631	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1633	}	1814	}
1634		1815
1635	cf::player->attach (	1816	cf::player->attach (
1636	on_logout => sub {	1817	on_logout => sub {
…		…
1649	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes	1831	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1653	(async {	1834	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,	1835	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "	1836	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",	1837	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);	1838	cf::NDI_RED);
		1839	# we need this sleep as the login has a concurrent enter_exit running
		1840	# and this sleep increases chances of the player not ending up in scorn
1660	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1662	})->prio (2);	1843	})->prio (2);
1663	}	1844	}
1664	},	1845	},
…		…
1672	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1673		1854
1674	$self->enter_link;	1855	$self->enter_link;
1675		1856
1676	(async {	1857	(async {
1677	$path = new cf::path $path;	1858	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1681		1861	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1686		1864
1687	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1866	})->prio (1);
1689	}	1867	}
1690		1868
…		…
1694		1872
1695	sub parse_random_map_params {	1873	sub parse_random_map_params {
1696	my ($spec) = @_;	1874	my ($spec) = @_;
1697		1875
1698	my $rmp = { # defaults	1876	my $rmp = { # defaults
1699	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1701	};	1881	};
1702		1882
1703	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1705		1885
…		…
1709	$rmp	1889	$rmp
1710	}	1890	}
1711		1891
1712	sub prepare_random_map {	1892	sub prepare_random_map {
1713	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1896
1715	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1899	# that depends on the exit object
1718		1900
1719	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1720		1902
1721	if ($exit->map) {	1903	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1726	}	1908	}
1727		1909
1728	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1729		1911
1730	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732		1915
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1735		1920
1736	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	1922	$exit->msg (undef);
1738	}	1923	}
1739	}	1924	}
1740		1925
1741	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1743		1928
1744	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1745		1939
1746	$self->enter_link;	1940	$self->enter_link;
1747		1941
1748	(async {	1942	(async {
1749	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	1944	unless (eval {
1751	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		1946
1757	1;	1947	1;
1758	}) {	1948	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1763		1953
1764	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	1955	$self->leave_link;
1766	}	1956	}
…		…
1821	# get handled first	2011	# get handled first
1822	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2014
1825	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2017
1827	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1828		2019
1829	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2021	if (@$queue) {
…		…
1991	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
1992	using it, it should be unique.	2183	using it, it should be unique.
1993		2184
1994	=over 4	2185	=over 4
1995		2186
1996	=item $hashref = cf::db_get $family
1997
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
2003		2188
2004	Returns a single value from the database	2189	Returns a single value from the database.
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010		2190
2011	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
2012		2192
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023		2194
2024	=cut	2195	=cut
2025		2196
2026	our $DB;	2197	our $DB;
2027		2198
2028	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
2029	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
2030		2218
2031	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
2032	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
2033	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
2034		2223
2035	my $pid;	2224	unlink $path;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}	2225	};
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2226	}
2083	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2084	}	2244	}
2085		2245
2086	#############################################################################	2246	#############################################################################
2087	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
2088		2253
2089	sub cfg_load {	2254	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
2091	or return;	2256	or return;
2092		2257
…		…
2105	};	2270	};
2106	warn $@ if $@;	2271	warn $@ if $@;
2107	}	2272	}
2108	}	2273	}
2109		2274
		2275	sub init {
		2276	init_resources;
		2277	}
		2278
2110	sub main {	2279	sub main {
2111	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2283	(async {
2114	async { Event::one_event };	2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2115	};	2286	};
2116		2287
2117	cfg_load;	2288	cfg_load;
2118	db_load;	2289	db_init;
2119	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2120	Event::loop;	2293	Event::loop;
2121	}	2294	}
2122		2295
2123	#############################################################################	2296	#############################################################################
2124	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2125		2353
2126	sub reload() {	2354	sub reload() {
2127	# can/must only be called in main	2355	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2130	return;	2358	return;
2131	}	2359	}
2132		2360
2133	warn "reloading...";	2361	warn "reloading...";
2134		2362
2135	my $guard = freeze_mainloop;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2137		2369
2138	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2139	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2140		2374
2141	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2378	}
2145		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2146	# cancel all extension coros	2389	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2391	%EXT_CORO = ();
2149		2392
2150	# unload all extensions	2393	warn "removing commands";
2151	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2153	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2408	}
2155		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2156	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2417
2160	warn "removing <$k>";	2418	warn "... unloading $k";
2161	delete $INC{$k};	2419	delete $INC{$k};
2162		2420
2163	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2165		2423
…		…
2168	}	2426	}
2169		2427
2170	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2171	}	2429	}
2172		2430
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2434
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2186		2437
2187	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2439	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2190		2441
2191	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2192	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2193	require cf;	2445	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2447
2196	# load config and database again	2448	warn "loading config and database again";
2197	cf::cfg_load;	2449	cf::cfg_load;
2198	cf::db_load;
2199		2450
2200	# load extensions
2201	warn "load extensions";	2451	warn "loading extensions";
2202	cf::load_extensions;	2452	cf::load_extensions;
2203		2453
2204	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2205	warn "reattach";
2206	_global_reattach;	2455	_global_reattach;
		2456	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2457	reattach $_ for values %MAP;
2208	};
2209		2458
2210	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2211	warn $@;	2466	warn $@;
2212	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2213	exit 1;	2468	exit 1;
2214	}	2469	};
2215		2470
2216	warn "reloaded successfully";	2471	warn "reloaded";
2217	};	2472	};
2218		2473
2219	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2220
2221	unless ($LINK_MAP) {
2222	$LINK_MAP = cf::map::new;
2223
2224	$LINK_MAP->width (41);
2225	$LINK_MAP->height (41);
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,
2234	cb => sub {
2235	$_[0]->w->cancel;
2236
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});
2255
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}
2261
2262	register "<global>", __PACKAGE__;
2263		2475
2264	register_command "reload" => sub {	2476	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2266		2478
2267	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2269	reload;	2490	reload;
2270	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2271	}	2494	}
2272	};	2495	};
2273		2496
2274	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2275		2500
2276	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2278	prio => 0,	2504	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2281	cb => sub {	2507	cb => sub {
		2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2282	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2285		2533
2286	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2536
2289	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2291	},	2539	},
2292	);	2540	);
2293		2541
		2542	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2295		2544	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	2545	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2298	poll => 'r',	2547	poll => 'r',
2299	prio => 5,	2548	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2306	after => 0,	2550	cb => \&BDB::poll_cb,
2307	interval => 10,	2551	);
2308	cb => sub {	2552	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	2553
2310	write_runtime	2554	BDB::set_sync_prepare {
2311	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2312	})->();	2588	};
2313	},	2589	}
2314	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2315		2606
2316	END { cf::emergency_save }	2607	END { cf::emergency_save }
2317		2608
2318	1	2609	1
2319		2610

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