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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.210 by root, Mon Feb 12 01:32:49 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 $WRITE_RUNTIME_WATCHER;
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	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
232	$guard	282	$guard
233	}	283	}
234		284
235	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
287	}	337	}
288	}	338	}
289		339
290	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
291		341
292	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	343	extension calling this is being unloaded.
294		344
295	=cut	345	=cut
296		346
297	sub async_ext(&) {	347	sub async_ext(&) {
…		…
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";
…		…
845	}	787	}
846	} else {	788	} else {
847	aio_unlink $filename;	789	aio_unlink $filename;
848	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
849	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
850	}	798	}
851	}	799	}
852		800
853	sub object_freezer_as_string {	801	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
860		808
861	sub object_thawer_load {	809	sub object_thawer_load {
862	my ($filename) = @_;	810	my ($filename) = @_;
863		811
864	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
865		816
866	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
867	or return;	818	or return;
868		819
869	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
906	=cut	857	=cut
907		858
908	sub register_extcmd {	859	sub register_extcmd {
909	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
910		861
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
915	}	863	}
916		864
917	cf::player->attach (	865	cf::player->attach (
918	on_command => sub {	866	on_command => sub {
919	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
932		880
933	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
934		882
935	if (ref $msg) {	883	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	887	}
940	}	888	}
941	} else {	889	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		892
945	cf::override;	893	cf::override;
946	},	894	},
947	);	895	);
948		896
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	897	sub load_extension {
956	my ($path) = @_;	898	my ($path) = @_;
957		899
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	901	my $base = $1;
960	my $pkg = $1;	902	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
963		905
964	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
965		907
966	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
967	or die "$path: $!";	909	or die "$path: $!";
968		910
969	my $source =	911	my $source =
970	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
973	. "\n};\n1";	915	. "\n};\n1";
974		916
975	eval $source	917	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	919	: "extension disabled.\n";
978		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	921	warn $@;
980	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
981		923	exit 1;
982	# no strict 'refs';	924	}
983	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
998		927
999	# remove commands	928	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	}	929	}
1024		930
1025	sub load_extensions {	931	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	933	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1032	}	938	}
1033	}	939	}
1034		940
1035	#############################################################################	941	#############################################################################
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		942
1073	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1074		944
1075	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1076		946
1077	=cut	947	=cut
1078		948
1079	package cf::player;	949	package cf::player;
		950
		951	use Coro::AIO;
1080		952
1081	=head3 cf::player	953	=head3 cf::player
1082		954
1083	=over 4	955	=over 4
1084		956
…		…
1110		982
1111	sub exists($) {	983	sub exists($) {
1112	my ($login) = @_;	984	my ($login) = @_;
1113		985
1114	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1116	}	988	}
1117		989
1118	sub find($) {	990	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	992	my $login = $_[0];
1121		993
1122	my $guard = cf::lock_acquire "user_find:$login";	994	my $guard = cf::lock_acquire "user_find:$login";
1123		995
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
1125	};	1001	}
1126	}	1002	}
1127		1003
1128	sub save($) {	1004	sub save($) {
1129	my ($pl) = @_;	1005	my ($pl) = @_;
1130		1006
…		…
1133	my $path = path $pl;	1009	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1010	my $guard = cf::lock_acquire "user_save:$path";
1135		1011
1136	return if $pl->{deny_save};	1012	return if $pl->{deny_save};
1137		1013
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1014	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1015	$pl->{last_save} = $cf::RUNTIME;
1140		1016
1141	$pl->save_pl ($path);	1017	$pl->save_pl ($path);
1142	Coro::cede;	1018	Coro::cede;
1143	}	1019	}
…		…
1152		1028
1153	$cf::PLAYER{$login} = $self;	1029	$cf::PLAYER{$login} = $self;
1154		1030
1155	$self	1031	$self
1156	}	1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
1157		1040
1158	sub quit_character {	1041	sub quit_character {
1159	my ($pl) = @_;	1042	my ($pl) = @_;
1160		1043
1161	$pl->{deny_save} = 1;	1044	$pl->{deny_save} = 1;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1050	$pl->ns->destroy if $pl->ns;
1168		1051
1169	my $path = playerdir $pl;	1052	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1053	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1054	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1055	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1056	$pl->destroy;
1174	IO::AIO::aio_rmtree $temp;	1057	IO::AIO::aio_rmtree $temp;
1175	}	1058	}
1176		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
		1111	}
		1112
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1178		1114
1179	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1180		1116
1181	=cut	1117	=cut
…		…
1202	package cf::map;	1138	package cf::map;
1203		1139
1204	use Fcntl;	1140	use Fcntl;
1205	use Coro::AIO;	1141	use Coro::AIO;
1206		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1207	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1209		1149
1210	sub generate_random_map {	1150	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1212
1213	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1153	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227	}	1295	}
1228		1296
1229	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1230	# all maps in C++...	1298	# all maps in C++...
1231	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1233		1301
1234	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1235	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1236	}	1304	}
1237		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1238	sub try_load_header($) {	1319	sub load_header_from($) {
1239	my ($path) = @_;	1320	my ($self, $path) = @_;
1240		1321
1241	utf8::encode $path;	1322	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1243	or return;	1327	or return;
1244		1328
1245	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1246	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1247		1375
1248	# for better error messages only, will be overwritten	1376	1
1249	$map->path ($path);
1250
1251	$map->load_header ($path)
1252	or return;
1253
1254	$map->{load_path} = $path;
1255
1256	$map
1257	}	1377	}
1258		1378
1259	sub find;	1379	sub find;
1260	sub find {	1380	sub find {
1261	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1262		1382
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		1384
1268	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1269		1386
1270	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1272		1389	my $map = new_from_path cf::map $path
1273	# do it the slow way
1274	my $map = try_load_header $path->save_path;
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	1390	or return;
1292		1391
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1305		1393
1306	Coro::cede;	1394	$map->load_header
		1395	or return;
1307		1396
1308	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1309	$map->reset;	1400	$map->reset;
1310	undef $guard;	1401	undef $guard;
1311	$map = find $path	1402	return find $path;
1312	or return;
1313	}	1403	}
1314		1404
1315	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1316	}	1406	}
1317	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1318		1411
1319	sub load {	1412	sub load {
1320	my ($self) = @_;	1413	my ($self) = @_;
1321		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1322	my $path = $self->{path};	1417	my $path = $self->{path};
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1324		1419
1325	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1326		1421
1327	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1328		1423
1329	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1330	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1331	or return;	1429	or return;
1332		1430
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334	if delete $self->{load_original};	1432	if delete $self->{load_original};
1335		1433
1336	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	1435	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1339	$self->clear_unique_items;	1437	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1341	}	1439	}
1342	}	1440	}
1343		1441
1344	Coro::cede;	1442	Coro::cede;
1345		1443
1346	# now do the right thing for maps	1444	# now do the right thing for maps
1347	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1348		1446
1349	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1350	$self->{deny_save} = 1;	1448	$self->decay_objects;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1356	$self->set_darkness_map;	1452	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1359	$self->activate;	1456	$self->activate;
1360	}	1457	}
1361		1458
1362	Coro::cede;	1459	$self->post_load;
1363		1460
1364	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1365	}	1495	}
1366		1496
1367	sub find_sync {	1497	sub find_sync {
1368	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1369		1499
1370	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1371	}	1501	}
1372		1502
1373	sub do_load_sync {	1503	sub do_load_sync {
1374	my ($map) = @_;	1504	my ($map) = @_;
1375		1505
1376	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1377	}	1507	}
1378		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1379	sub save {	1539	sub save {
1380	my ($self) = @_;	1540	my ($self) = @_;
1381		1541
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1383		1543
1384	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1385		1545
1386	return unless $self->dirty;	1546	return unless $self->dirty;
1387		1547
1388	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1390		1550
1391	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1392		1552
1393	return if $self->{deny_save};	1553	return if $self->{deny_save};
1394		1554
…		…
1397	cf::async {	1557	cf::async {
1398	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1399	};	1559	};
1400		1560
1401	if ($uniq) {	1561	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {	1564	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}	1566	}
1407	}	1567	}
1408		1568
1409	sub swap_out {	1569	sub swap_out {
1410	my ($self) = @_;	1570	my ($self) = @_;
…		…
1424		1584
1425	sub reset_at {	1585	sub reset_at {
1426	my ($self) = @_;	1586	my ($self) = @_;
1427		1587
1428	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1430	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1431		1591
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		1594
…		…
1439	my ($self) = @_;	1599	my ($self) = @_;
1440		1600
1441	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1442	}	1602	}
1443		1603
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	1604	sub reset {
1466	my ($self) = @_;	1605	my ($self) = @_;
1467		1606
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		1608
1470	return if $self->players;	1609	return if $self->players;
1471	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1472		1611
1473	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1474		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1475	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1476		1627
1477	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1478		1629
1479	$self->unlink_save;	1630	$self->unlink_save;
1480	$self->destroy;	1631	$self->destroy;
…		…
1483	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1484		1635
1485	sub nuke {	1636	sub nuke {
1486	my ($self) = @_;	1637	my ($self) = @_;
1487		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1491	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1492	}	1652	}
1493		1653
1494	sub customise_for {	1654	=item cf::map::unique_maps
1495	my ($map, $ob) = @_;
1496		1655
1497	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1499	}
1500		1658
1501	$map	1659	=cut
1502	}
1503		1660
1504	sub emergency_save {	1661	sub unique_maps() {
1505	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1506		1664
1507	warn "enter emergency perl save\n";	1665	my @paths;
1508		1666
1509	cf::sync_job {	1667	for (@$files) {
1510	warn "begin emergency player save\n";	1668	utf8::decode $_;
1511	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1512	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1513		1671
1514	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1515	$_->save for values %cf::MAP;
1516	warn "end emergency map save\n";
1517	};	1673	}
1518		1674
1519	warn "leave emergency perl save\n";	1675	\@paths
1520	}	1676	}
1521		1677
1522	package cf;	1678	package cf;
1523		1679
1524	=back	1680	=back
1525		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1526		1708
1527	=head3 cf::object::player	1709	=head3 cf::object::player
1528		1710
1529	=over 4	1711	=over 4
1530		1712
…		…
1570		1752
1571	=item $player_object->enter_link	1753	=item $player_object->enter_link
1572		1754
1573	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1574		1756
1575	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1576	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1577		1759
		1760	Will never block.
		1761
1578	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1579		1763
1580	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	1767	fails, to the emergency map position.
1584		1768
1585	Might block.	1769	Might block.
1586		1770
1587	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1588		1782
1589	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1590	my ($self) = @_;	1784	my ($self) = @_;
1591		1785
1592	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1593		1787
1594	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		1789
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	1791	if $self->map;
1598		1792
1599	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1600	}	1794	}
1601		1795
1602	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1604		1798
…		…
1622	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1625		1819
1626	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1627		1822
1628	return unless $self->contr->active;	1823	return unless $self->contr->active;
1629	$self->activate_recursive;	1824	$self->activate_recursive;
1630	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1631	}	1826	}
…		…
1670	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1671		1866
1672	$self->enter_link;	1867	$self->enter_link;
1673		1868
1674	(async {	1869	(async {
1675	$path = new cf::path $path;	1870	my $map = eval {
1676
1677	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1678	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1679		1873	$map
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1876
1686	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1878	})->prio (1);
1688	}	1879	}
1689		1880
…		…
1693		1884
1694	sub parse_random_map_params {	1885	sub parse_random_map_params {
1695	my ($spec) = @_;	1886	my ($spec) = @_;
1696		1887
1697	my $rmp = { # defaults	1888	my $rmp = { # defaults
1698	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1700	};	1893	};
1701		1894
1702	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1704		1897
…		…
1708	$rmp	1901	$rmp
1709	}	1902	}
1710		1903
1711	sub prepare_random_map {	1904	sub prepare_random_map {
1712	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1908
1714	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1911	# that depends on the exit object
1717		1912
1718	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1719		1914
1720	if ($exit->map) {	1915	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1725	}	1920	}
1726		1921
1727	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1728		1923
1729	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1927
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1734		1932
1735	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1934	$exit->msg (undef);
1737	}	1935	}
1738	}	1936	}
1739		1937
1740	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1742		1940
1743	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1744		1951
1745	$self->enter_link;	1952	$self->enter_link;
1746		1953
1747	(async {	1954	(async {
1748	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1956	unless (eval {
1750	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1958
1756	1;	1959	1;
1757	}) {	1960	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1965
1763	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1967	$self->leave_link;
1765	}	1968	}
…		…
1820	# get handled first	2023	# get handled first
1821	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2026
1824	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2029
1826	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1827		2031
1828	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2033	if (@$queue) {
…		…
1990	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2195	using it, it should be unique.
1992		2196
1993	=over 4	2197	=over 4
1994		2198
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
2002		2200
2003	Returns a single value from the database	2201	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2202
2010	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2011		2204
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2206
2023	=cut	2207	=cut
2024		2208
2025	our $DB;	2209	our $DB;
2026		2210
2027	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
2028	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
2029		2230
2030	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2031	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2032	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2033		2235
2034	my $pid;	2236	unlink $path;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2237	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2238	}
2082	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2083	}	2256	}
2084		2257
2085	#############################################################################	2258	#############################################################################
2086	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
2087		2265
2088	sub cfg_load {	2266	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2268	or return;
2091		2269
…		…
2104	};	2282	};
2105	warn $@ if $@;	2283	warn $@ if $@;
2106	}	2284	}
2107	}	2285	}
2108		2286
		2287	sub init {
		2288	load_resources;
		2289	}
		2290
2109	sub main {	2291	sub main {
2110	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2113	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2114	};	2298	};
2115		2299
2116	cfg_load;	2300	cfg_load;
2117	db_load;	2301	db_init;
2118	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2119	Event::loop;	2305	Event::loop;
2120	}	2306	}
2121		2307
2122	#############################################################################	2308	#############################################################################
2123	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2124		2358
2125	sub reload() {	2359	sub reload() {
2126	# can/must only be called in main	2360	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2129	return;	2363	return;
2130	}	2364	}
2131		2365
2132	warn "reloading...";	2366	warn "reloading...";
2133		2367
2134	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2135	cf::emergency_save;	2371	cf::emergency_save;
2136		2372
2137	eval {	2373	eval {
2138	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2139		2375
2140	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2379	}
2144		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
2145	# cancel all extension coros	2393	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2395	%EXT_CORO = ();
2148		2396
2149	# unload all extensions	2397	warn "removing commands";
2150	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2405	warn "... unloading $pkg";
2152	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2412	}
2154		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
2155	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2421
2159	warn "removing <$k>";	2422	warn "... unloading $k";
2160	delete $INC{$k};	2423	delete $INC{$k};
2161		2424
2162	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
2164		2427
…		…
2167	}	2430	}
2168		2431
2169	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
2170	}	2433	}
2171		2434
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2438
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
2185		2441
2186	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2443	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
2189		2445
2190	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
2191	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
2192	require cf;	2449	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2451
2195	# load config and database again	2452	warn "loading config and database again";
2196	cf::cfg_load;	2453	cf::cfg_load;
2197	cf::db_load;
2198		2454
2199	# load extensions
2200	warn "load extensions";	2455	warn "loading extensions";
2201	cf::load_extensions;	2456	cf::load_extensions;
2202		2457
2203	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2204	warn "reattach";
2205	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2207	};	2469	};
2208		2470
2209	if ($@) {	2471	if ($@) {
2210	warn $@;	2472	warn $@;
2211	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2212	exit 1;	2474	exit 1;
2213	}	2475	}
2214		2476
2215	warn "reloaded successfully";	2477	warn "reloaded";
2216	};	2478	};
2217		2479
2218	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2481
2263	register_command "reload" => sub {	2482	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2265		2484
2266	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2268	reload;	2496	reload;
2269	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2270	}	2500	}
2271	};	2501	};
2272		2502
2273	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2274		2506
2275	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2277	prio => 0,	2510	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2280	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2281	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2284		2534
2285	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2537
2288	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2290	},	2540	},
2291	);	2541	);
2292		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2293	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2294		2598	$AIO_POLL_WATCHER = Event->io (
2295	Event->io (	2599	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2297	poll => 'r',	2601	poll => 'r',
2298	prio => 5,	2602	prio => 6,
2299	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2301	);	2605	);
		2606	}
2302		2607
2303	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2304	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2305	after => 0,	2611	after => 1,
2306	interval => 10,	2612	interval => 10,
2307	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2308	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2309	write_runtime	2615	write_runtime
2310	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2311	})->();
2312	},	2617	},
2313	);	2618	);
2314		2619
2315	END { cf::emergency_save }	2620	END { cf::emergency_save }
2316		2621

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