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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.212 by root, Tue Feb 13 19:25:44 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 2.31 ();	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
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
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;
1080		950
		951	use Coro::AIO;
		952
1081	=head3 cf::player	953	=head3 cf::player
1082		954
1083	=over 4	955	=over 4
1084		956
1085	=item cf::player::find $login	957	=item cf::player::find $login
1086		958
1087	Returns the given player object, loading it if necessary (might block).	959	Returns the given player object, loading it if necessary (might block).
1088		960
1089	=cut	961	=cut
1090		962
		963	sub playerdir($) {
		964	cf::localdir
		965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
1091	sub path($) {	971	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	973
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	974	(playerdir $login) . "/$login.pl"
1095	}	975	}
1096		976
1097	sub find_active($) {	977	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	978	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	979	and $cf::PLAYER{$_[0]}->active
…		…
1102		982
1103	sub exists($) {	983	sub exists($) {
1104	my ($login) = @_;	984	my ($login) = @_;
1105		985
1106	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1108	}	988	}
1109		989
1110	sub find($) {	990	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	992	my $login = $_[0];
1113		993
1114	my $guard = cf::lock_acquire "user_find:$login";	994	my $guard = cf::lock_acquire "user_find:$login";
1115		995
1116	$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	}
1117	};	1001	}
1118	}	1002	}
1119		1003
1120	sub save($) {	1004	sub save($) {
1121	my ($pl) = @_;	1005	my ($pl) = @_;
1122		1006
…		…
1124		1008
1125	my $path = path $pl;	1009	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1010	my $guard = cf::lock_acquire "user_save:$path";
1127		1011
1128	return if $pl->{deny_save};	1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1015	$pl->{last_save} = $cf::RUNTIME;
1130		1016
1131	Coro::cede;
1132	$pl->save_pl ($path);	1017	$pl->save_pl ($path);
1133	Coro::cede;	1018	Coro::cede;
1134	}	1019	}
1135		1020
1136	sub new($) {	1021	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1029	$cf::PLAYER{$login} = $self;
1145		1030
1146	$self	1031	$self
1147	}	1032	}
1148		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
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		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
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1150		1114
1151	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1152		1116
1153	=cut	1117	=cut
…		…
1174	package cf::map;	1138	package cf::map;
1175		1139
1176	use Fcntl;	1140	use Fcntl;
1177	use Coro::AIO;	1141	use Coro::AIO;
1178		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1179	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1181		1149
1182	sub generate_random_map {	1150	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1153	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(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
1199	}	1295	}
1200		1296
1201	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1202	# all maps in C++...	1298	# all maps in C++...
1203	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1205		1301
1206	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1208	}	1304	}
1209		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
1210	sub try_load_header($) {	1319	sub load_header_from($) {
1211	my ($path) = @_;	1320	my ($self, $path) = @_;
1212		1321
1213	utf8::encode $path;	1322	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1215	or return;	1327	or return;
1216		1328
1217	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
1218	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1219		1375
1220	# for better error messages only, will be overwritten	1376	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1377	}
1230		1378
1231	sub find;	1379	sub find;
1232	sub find {	1380	sub find {
1233	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1234		1382
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1384
1240	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1241		1386
1242	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1244		1389	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1390	or return;
1264		1391
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1277		1393
1278	Coro::cede;	1394	$map->load_header
		1395	or return;
1279		1396
1280	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;
1281	$map->reset;	1400	$map->reset;
1282	undef $guard;	1401	undef $guard;
1283	$map = find $path	1402	return find $path;
1284	or return;
1285	}	1403	}
1286		1404
1287	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1288	}	1406	}
1289	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1290		1411
1291	sub load {	1412	sub load {
1292	my ($self) = @_;	1413	my ($self) = @_;
1293		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1294	my $path = $self->{path};	1417	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1296		1419
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1421
1299	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1300		1423
1301	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1302	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1429	or return;
1304		1430
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1432	if delete $self->{load_original};
1307		1433
1308	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1435	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1437	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1313	}	1439	}
1314	}	1440	}
1315		1441
1316	Coro::cede;	1442	Coro::cede;
1317		1443
1318	# now do the right thing for maps	1444	# now do the right thing for maps
1319	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1320		1446
1321	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1448	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1328	$self->set_darkness_map;	1452	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1331	$self->activate;	1456	$self->activate;
1332	}	1457	}
1333		1458
1334	Coro::cede;	1459	$self->post_load;
1335		1460
1336	$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	}
1337	}	1495	}
1338		1496
1339	sub find_sync {	1497	sub find_sync {
1340	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1341		1499
1342	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1343	}	1501	}
1344		1502
1345	sub do_load_sync {	1503	sub do_load_sync {
1346	my ($map) = @_;	1504	my ($map) = @_;
1347		1505
1348	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1349	}	1507	}
1350		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
1351	sub save {	1539	sub save {
1352	my ($self) = @_;	1540	my ($self) = @_;
1353		1541
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1543
1356	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1357		1545
1358	return unless $self->dirty;	1546	return unless $self->dirty;
1359		1547
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1550
1363	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1364		1552
1365	return if $self->{deny_save};	1553	return if $self->{deny_save};
1366		1554
…		…
1369	cf::async {	1557	cf::async {
1370	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1371	};	1559	};
1372		1560
1373	if ($uniq) {	1561	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1564	} else {
1377	$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);
1378	}	1566	}
1379	}	1567	}
1380		1568
1381	sub swap_out {	1569	sub swap_out {
1382	my ($self) = @_;	1570	my ($self) = @_;
…		…
1396		1584
1397	sub reset_at {	1585	sub reset_at {
1398	my ($self) = @_;	1586	my ($self) = @_;
1399		1587
1400	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1403		1591
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	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;
1406		1594
…		…
1411	my ($self) = @_;	1599	my ($self) = @_;
1412		1600
1413	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1414	}	1602	}
1415		1603
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1604	sub reset {
1438	my ($self) = @_;	1605	my ($self) = @_;
1439		1606
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1608
1442	return if $self->players;	1609	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1444		1611
1445	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1446		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
1447	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1448		1627
1449	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1450		1629
1451	$self->unlink_save;	1630	$self->unlink_save;
1452	$self->destroy;	1631	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1456		1635
1457	sub nuke {	1636	sub nuke {
1458	my ($self) = @_;	1637	my ($self) = @_;
1459		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1463	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1464	}	1652	}
1465		1653
1466	sub customise_for {	1654	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1655
1469	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1471	}
1472		1658
1473	$map	1659	=cut
1474	}
1475		1660
1476	sub emergency_save {	1661	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1478		1664
1479	warn "enter emergency perl save\n";	1665	my @paths;
1480		1666
1481	cf::sync_job {	1667	for (@$files) {
1482	warn "begin emergency player save\n";	1668	utf8::decode $_;
1483	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1484	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1485		1671
1486	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1487	$_->save for values %cf::MAP;
1488	warn "end emergency map save\n";
1489	};	1673	}
1490		1674
1491	warn "leave emergency perl save\n";	1675	\@paths
1492	}	1676	}
1493		1677
1494	package cf;	1678	package cf;
1495		1679
1496	=back	1680	=back
1497		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
1498		1708
1499	=head3 cf::object::player	1709	=head3 cf::object::player
1500		1710
1501	=over 4	1711	=over 4
1502		1712
…		…
1542		1752
1543	=item $player_object->enter_link	1753	=item $player_object->enter_link
1544		1754
1545	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}>).
1546		1756
1547	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
1548	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1549		1759
		1760	Will never block.
		1761
1550	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1551		1763
1552	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
1553	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
1554	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
1555	to the emergency map position.	1767	fails, to the emergency map position.
1556		1768
1557	Might block.	1769	Might block.
1558		1770
1559	=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	}
1560		1782
1561	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1562	my ($self) = @_;	1784	my ($self) = @_;
1563		1785
1564	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1565		1787
1566	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1567		1789
1568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569	if $self->map;	1791	if $self->map;
1570		1792
1571	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1572	}	1794	}
1573		1795
1574	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1575	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1576		1798
…		…
1594	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1595	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1596	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1597		1819
1598	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1599		1822
1600	return unless $self->contr->active;	1823	return unless $self->contr->active;
1601	$self->activate_recursive;	1824	$self->activate_recursive;
1602	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1603	}	1826	}
…		…
1642	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1643		1866
1644	$self->enter_link;	1867	$self->enter_link;
1645		1868
1646	(async {	1869	(async {
1647	$path = new cf::path $path;	1870	my $map = eval {
1648
1649	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1650	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1651		1873	$map
1652	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1653	# if $map;
1654
1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656		1876
1657	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1658	})->prio (1);	1878	})->prio (1);
1659	}	1879	}
1660		1880
…		…
1664		1884
1665	sub parse_random_map_params {	1885	sub parse_random_map_params {
1666	my ($spec) = @_;	1886	my ($spec) = @_;
1667		1887
1668	my $rmp = { # defaults	1888	my $rmp = { # defaults
1669	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1670	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1671	};	1893	};
1672		1894
1673	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1674	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1675		1897
…		…
1679	$rmp	1901	$rmp
1680	}	1902	}
1681		1903
1682	sub prepare_random_map {	1904	sub prepare_random_map {
1683	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1684		1908
1685	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1686	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1687	# that depends on the exit object	1911	# that depends on the exit object
1688		1912
1689	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1690		1914
1691	if ($exit->map) {	1915	if ($exit->map) {
1692	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1693	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1694	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1695	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1696	}	1920	}
1697		1921
1698	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1699		1923
1700	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1701	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702		1927
1703	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) {
1704	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;
1705		1932
1706	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1707	$exit->msg (undef);	1934	$exit->msg (undef);
1708	}	1935	}
1709	}	1936	}
1710		1937
1711	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1712	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1713		1940
1714	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;
1715		1951
1716	$self->enter_link;	1952	$self->enter_link;
1717		1953
1718	(async {	1954	(async {
1719	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1720	unless (eval {	1956	unless (eval {
1721	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1722	if $exit->slaying eq "/!";
1723
1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726		1958
1727	1;	1959	1;
1728	}) {	1960	}) {
1729	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1730	. "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. "
1731	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1732	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1733		1965
1734	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1735	$self->leave_link;	1967	$self->leave_link;
1736	}	1968	}
…		…
1791	# get handled first	2023	# get handled first
1792	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1793	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
1794		2026
1795	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796		2029
1797	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1798		2031
1799	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1800	if (@$queue) {	2033	if (@$queue) {
…		…
1961	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
1962	using it, it should be unique.	2195	using it, it should be unique.
1963		2196
1964	=over 4	2197	=over 4
1965		2198
1966	=item $hashref = cf::db_get $family
1967
1968	Return a hashref for use by the extension C<$family>, which can be
1969	modified. After modifications, you have to call C<cf::db_dirty> or
1970	C<cf::db_sync>.
1971
1972	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1973		2200
1974	Returns a single value from the database	2201	Returns a single value from the database.
1975
1976	=item cf::db_put $family => $hashref
1977
1978	Stores the given family hashref into the database. Updates are delayed, if
1979	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980		2202
1981	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1982		2204
1983	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1984	want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986	=item cf::db_dirty
1987
1988	Marks the database as dirty, to be updated at a later time.
1989
1990	=item cf::db_sync
1991
1992	Immediately write the database to disk I<if it is dirty>.
1993		2206
1994	=cut	2207	=cut
1995		2208
1996	our $DB;	2209	our $DB;
1997		2210
1998	{	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
1999	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;
2000		2230
2001	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2002	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2003	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2004		2235
2005	my $pid;	2236	unlink $path;
2006
2007	sub db_save() {
2008	waitpid $pid, 0 if $pid;
2009	if (0 == ($pid = fork)) {
2010	$DB->{_meta}{version} = 1;
2011	Storable::nstore $DB, "$path~";
2012	rename "$path~", $path;
2013	cf::_exit 0 if defined $pid;
2014	}	2237	};
2015	}
2016
2017	my $dirty;
2018
2019	sub db_sync() {
2020	db_save if $dirty;
2021	undef $dirty;
2022	}
2023
2024	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025	db_sync;
2026	});
2027
2028	sub db_dirty() {
2029	$dirty = 1;
2030	$idle->start;
2031	}
2032
2033	sub db_get($;$) {
2034	@_ >= 2
2035	? $DB->{$_[0]}{$_[1]}
2036	: ($DB->{$_[0]} ||= { })
2037	}
2038
2039	sub db_put($$;$) {
2040	if (@_ >= 3) {
2041	$DB->{$_[0]}{$_[1]} = $_[2];
2042	} else {
2043	$DB->{$_[0]} = $_[1];
2044	}
2045	db_dirty;
2046	}
2047
2048	cf::global->attach (
2049	prio => 10000,
2050	on_cleanup => sub {
2051	db_sync;
2052	},	2238	}
2053	);	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 { };
2054	}	2256	}
2055		2257
2056	#############################################################################	2258	#############################################################################
2057	# 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	}
2058		2265
2059	sub cfg_load {	2266	sub cfg_load {
2060	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2061	or return;	2268	or return;
2062		2269
…		…
2068	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070		2277
2071	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2072	eval {	2279	eval {
2073	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2075	};	2282	};
2076	warn $@ if $@;	2283	warn $@ if $@;
2077	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2078	}	2289	}
2079		2290
2080	sub main {	2291	sub main {
2081	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2082	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2083	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 {
2084	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2085	};	2298	};
2086		2299
2087	cfg_load;	2300	cfg_load;
2088	db_load;	2301	db_init;
2089	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2090	Event::loop;	2305	Event::loop;
2091	}	2306	}
2092		2307
2093	#############################################################################	2308	#############################################################################
2094	# 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 $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2095		2365
2096	sub reload() {	2366	sub reload() {
2097	# can/must only be called in main	2367	# can/must only be called in main
2098	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2099	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2100	return;	2370	return;
2101	}	2371	}
2102		2372
2103	warn "reloading...";	2373	warn "reloading...";
2104		2374
2105	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	sync_job {
		2378	write_runtime;
2106	cf::emergency_save;	2379	cf::emergency_save;
		2380	write_runtime;
2107		2381
2108	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2109	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2110		2386
2111	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2112	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2113	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2114	}	2390	}
2115		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2116	# cancel all extension coros	2401	warn "cancelling all extension coros";
2117	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2118	%EXT_CORO = ();	2403	%EXT_CORO = ();
2119		2404
2120	# unload all extensions	2405	warn "removing commands";
2121	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2122	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2123	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2124	}	2420	}
2125		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2126	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2127	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2128	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129		2429
2130	warn "removing <$k>";	2430	warn "... unloading $k";
2131	delete $INC{$k};	2431	delete $INC{$k};
2132		2432
2133	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2134	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2135		2435
…		…
2138	}	2438	}
2139		2439
2140	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2141	}	2441	}
2142		2442
2143	# sync database to disk
2144	cf::db_sync;
2145	IO::AIO::flush;
2146
2147	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2148	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2149	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150		2446
2151	# remove register_script_function callbacks
2152	# TODO
2153
2154	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2155	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2156		2449
2157	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2158	# and global variables created in xs	2451	# and global variables created in xs
2159	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2160		2453
2161	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2162	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2163	require cf;	2457	require cf;
2164	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165		2459
2166	# load config and database again	2460	warn "loading config and database again";
2167	cf::cfg_load;	2461	cf::cfg_load;
2168	cf::db_load;
2169		2462
2170	# load extensions
2171	warn "load extensions";	2463	warn "loading extensions";
2172	cf::load_extensions;	2464	cf::load_extensions;
2173		2465
2174	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2175	warn "reattach";
2176	_global_reattach;	2467	_global_reattach;
		2468	warn "reattaching attachments to maps";
2177	reattach $_ for values %MAP;	2469	reattach $_ for values %MAP;
2178	};
2179		2470
2180	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2181	warn $@;	2478	warn $@;
2182	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2183	exit 1;	2480	exit 1;
2184	}	2481	};
2185		2482
2186	warn "reloaded successfully";	2483	warn "reloaded";
2187	};	2484	};
2188		2485
2189	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
2190
2191	unless ($LINK_MAP) {
2192	$LINK_MAP = cf::map::new;
2193
2194	$LINK_MAP->width (41);
2195	$LINK_MAP->height (41);
2196	$LINK_MAP->alloc;
2197	$LINK_MAP->path ("{link}");
2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201	# dirty hack because... archetypes are not yet loaded
2202	Event->timer (
2203	after => 10,
2204	cb => sub {
2205	$_[0]->w->cancel;
2206
2207	# provide some exits "home"
2208	my $exit = cf::object::new "exit";
2209
2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214	$LINK_MAP->insert ($exit->clone, 19, 19);
2215	$LINK_MAP->insert ($exit->clone, 19, 20);
2216	$LINK_MAP->insert ($exit->clone, 19, 21);
2217	$LINK_MAP->insert ($exit->clone, 20, 19);
2218	$LINK_MAP->insert ($exit->clone, 20, 21);
2219	$LINK_MAP->insert ($exit->clone, 21, 19);
2220	$LINK_MAP->insert ($exit->clone, 21, 20);
2221	$LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223	$exit->destroy;
2224	});
2225
2226	$LINK_MAP->{deny_save} = 1;
2227	$LINK_MAP->{deny_reset} = 1;
2228
2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230	}
2231
2232	register "<global>", __PACKAGE__;
2233		2487
2234	register_command "reload" => sub {	2488	register_command "reload" => sub {
2235	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2236		2490
2237	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2238	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2239	reload;	2502	reload;
2240	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2241	}	2506	}
2242	};	2507	};
2243		2508
2244	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2245		2512
2246	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2247	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2248	prio => 0,	2516	prio => 0,
2249	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2250	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2251	cb => sub {	2519	cb => sub {
		2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2252	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2253	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2254	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	$WAIT_FOR_TICK->broadcast;
		2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2534
		2535	# my $AFTER = Event::time;
		2536	# warn $AFTER - $NOW;#d#
2255		2537
2256	# if we are delayed by four ticks or more, skip them all	2538	# if we are delayed by four ticks or more, skip them all
2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258		2540
2259	$TICK_WATCHER->at ($NEXT_TICK);	2541	$TICK_WATCHER->at ($NEXT_TICK);
2260	$TICK_WATCHER->start;	2542	$TICK_WATCHER->start;
2261	},	2543	},
2262	);	2544	);
2263		2545
		2546	{
		2547	BDB::max_poll_time $TICK * 0.1;
		2548	$BDB_POLL_WATCHER = Event->io (
		2549	reentrant => 0,
		2550	fd => BDB::poll_fileno,
		2551	poll => 'r',
		2552	prio => 0,
		2553	data => WF_AUTOCANCEL,
		2554	cb => \&BDB::poll_cb,
		2555	);
		2556	BDB::min_parallel 8;
		2557
		2558	BDB::set_sync_prepare {
		2559	my $status;
		2560	my $current = $Coro::current;
		2561	(
		2562	sub {
		2563	$status = $!;
		2564	$current->ready; undef $current;
		2565	},
		2566	sub {
		2567	Coro::schedule while defined $current;
		2568	$! = $status;
		2569	},
		2570	)
		2571	};
		2572
		2573	unless ($DB_ENV) {
		2574	$DB_ENV = BDB::db_env_create;
		2575
		2576	cf::sync_job {
		2577	eval {
		2578	BDB::db_env_open
		2579	$DB_ENV,
		2580	$BDB_ENV_DIR,
		2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2583	0666;
		2584
		2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2586
		2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2588	$DB_ENV->set_lk_detect;
		2589	};
		2590
		2591	cf::cleanup "db_env_open(db): $@" if $@;
		2592	};
		2593	}
		2594	}
		2595
		2596	{
		2597	IO::AIO::min_parallel 8;
		2598
		2599	undef $Coro::AIO::WATCHER;
2264	IO::AIO::max_poll_time $TICK * 0.2;	2600	IO::AIO::max_poll_time $TICK * 0.1;
2265		2601	$AIO_POLL_WATCHER = Event->io (
2266	Event->io (	2602	reentrant => 0,
2267	fd => IO::AIO::poll_fileno,	2603	fd => IO::AIO::poll_fileno,
2268	poll => 'r',	2604	poll => 'r',
2269	prio => 5,	2605	prio => 6,
2270	data => WF_AUTOCANCEL,	2606	data => WF_AUTOCANCEL,
2271	cb => \&IO::AIO::poll_cb,	2607	cb => \&IO::AIO::poll_cb,
2272	);	2608	);
		2609	}
2273		2610
2274	Event->timer (	2611	$WRITE_RUNTIME_WATCHER = Event->timer (
		2612	reentrant => 0,
2275	data => WF_AUTOCANCEL,	2613	data => WF_AUTOCANCEL,
		2614	parked => 1,
2276	after => 0,	2615	after => 1,
2277	interval => 10,	2616	interval => 10,
		2617	prio => 6, # keep it lowest so it acts like a watchdog
2278	cb => sub {	2618	cb => sub {
2279	(Coro::unblock_sub {	2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2620
		2621	Coro::async_pool {
2280	write_runtime	2622	write_runtime
2281	or warn "ERROR: unable to write runtime file: $!";	2623	or warn "ERROR: unable to write runtime file: $!";
2282	})->();	2624	};
2283	},	2625	},
2284	);	2626	);
2285		2627
2286	END { cf::emergency_save }	2628	END { cf::emergency_save }
2287		2629

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