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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
58		80
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		86
62	binmode STDOUT;	87	binmode STDOUT;
63	binmode STDERR;	88	binmode STDERR;
64		89
65	# read virtual server time, if available	90	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	97	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
77		103
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
81		107
82	#############################################################################	108	#############################################################################
83		109
84	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
85		111
…		…
156	}	182	}
157		183
158	$Event::DIED = sub {	184	$Event::DIED = sub {
159	warn "error in event callback: @_";	185	warn "error in event callback: @_";
160	};	186	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		187
166	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
167		189
168	=over 4	190	=over 4
169		191
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	211	$d
190	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
191	}	213	}
192		214
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		216
195	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
196		218
197	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
198		220
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
207		222
208	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		224
217	=item cf::lock_wait $string	225	=item cf::lock_wait $string
218		226
219	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
220		228
…		…
257	}	265	}
258		266
259	sub freeze_mainloop {	267	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
261		269
262	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
263	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
264	$guard	274	$guard
265	}	275	}
266		276
267	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
319	}	329	}
320	}	330	}
321		331
322	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
323		333
324	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	335	extension calling this is being unloaded.
326		336
327	=cut	337	=cut
328		338
329	sub async_ext(&) {	339	sub async_ext(&) {
…		…
338		348
339	$coro	349	$coro
340	}	350	}
341		351
342	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
343	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
344		356
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	358	or return;
347		359
		360	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	365	and return;
351		366
		367	# always fsync - this file is important
352	aio_fsync $fh	368	aio_fsync $fh
353	and return;	369	and return;
354		370
355	close $fh	371	close $fh
356	or return;	372	or return;
…		…
359	and return;	375	and return;
360		376
361	1	377	1
362	}	378	}
363		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
364	=back	391	=back
365		392
366	=cut	393	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		394
495	#############################################################################	395	#############################################################################
496		396
497	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
498		398
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	525	our @CB_MAP = ();
626		526
627	my %attachment;	527	my %attachment;
628		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
629	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
631		537
632	use sort 'stable';	538	use sort 'stable';
633		539
…		…
804	# object support	710	# object support
805		711
806	sub reattach {	712	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		717
810	my $registry = $obj->registry;	718	my $registry = $obj->registry;
811		719
812	@$registry = ();	720	@$registry = ();
813		721
…		…
860	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
861		769
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	774	close $fh;
867		775
868	if (@$objs) {	776	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	782	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
876	}	784	}
877	} else {	785	} else {
878	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
945	=cut	853	=cut
946		854
947	sub register_extcmd {	855	sub register_extcmd {
948	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
949		857
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
954	}	859	}
955		860
956	cf::player->attach (	861	cf::player->attach (
957	on_command => sub {	862	on_command => sub {
958	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
971		876
972	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
973		878
974	if (ref $msg) {	879	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	883	}
979	}	884	}
980	} else {	885	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		888
984	cf::override;	889	cf::override;
985	},	890	},
986	);	891	);
987		892
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	893	sub load_extension {
995	my ($path) = @_;	894	my ($path) = @_;
996		895
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	897	my $base = $1;
999	my $pkg = $1;	898	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
1002		901
1003	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
1004		903
1005	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	905	or die "$path: $!";
1007		906
1008	my $source =	907	my $source =
1009	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1012	. "\n};\n1";	911	. "\n};\n1";
1013		912
1014	eval $source	913	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	915	: "extension disabled.\n";
1017		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	917	warn $@;
1019	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1020		919	exit 1;
1021	# no strict 'refs';	920	}
1022	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	922	}
1037		923
1038	# remove commands	924	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	925	}
1063		926
1064	sub load_extensions {	927	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	929	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1071	}	934	}
1072	}	935	}
1073		936
1074	#############################################################################	937	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		938
1090	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1091		940
1092	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1093		942
…		…
1116	}	965	}
1117		966
1118	sub path($) {	967	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		969
1121	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1122	}	971	}
1123		972
1124	sub find_active($) {	973	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1129		978
1130	sub exists($) {	979	sub exists($) {
1131	my ($login) = @_;	980	my ($login) = @_;
1132		981
1133	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1135	}	984	}
1136		985
1137	sub find($) {	986	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	988	my $login = $_[0];
1140		989
1141	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1142		991
1143	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1144	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1145	or return;	1001	or return;
1146	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1147	}	1003	}
1148	}	1004	}
…		…
1185		1041
1186	=cut	1042	=cut
1187		1043
1188	sub quit_character {	1044	sub quit_character {
1189	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1190		1048
1191	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1051
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1204	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1205	}	1083	}
1206		1084
1207	=item cf::player::list_logins	1085	=item cf::player::list_logins
1208		1086
1209	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1229	\@logins	1107	\@logins
1230	}	1108	}
1231		1109
1232	=item $player->maps	1110	=item $player->maps
1233		1111
1234	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1235	player. May block.	1113	player. May block.
1236		1114
1237	=cut	1115	=cut
1238		1116
1239	sub maps($) {	1117	sub maps($) {
1240	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1121
1242	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1243	or return;	1123	or return;
1244		1124
1245	my @paths;	1125	my @paths;
…		…
1247	for (@$files) {	1127	for (@$files) {
1248	utf8::decode $_;	1128	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1251		1131
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1133	}
1254		1134
1255	\@paths	1135	\@paths
1256	}	1136	}
1257		1137
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1259		1139
1260	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1261		1141
1262	=cut	1142	=cut
1263		1143
1264	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1266		1146
1267	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1268		1148
1269	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1270	}	1150	}
1271		1151
1272	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1273		1192
1274	=back	1193	=back
1275
1276		1194
1277	=head3 cf::map	1195	=head3 cf::map
1278		1196
1279	=over 4	1197	=over 4
1280		1198
…		…
1283	package cf::map;	1201	package cf::map;
1284		1202
1285	use Fcntl;	1203	use Fcntl;
1286	use Coro::AIO;	1204	use Coro::AIO;
1287		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1288	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1290		1212
1291	sub generate_random_map {	1213	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1216	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308	}	1358	}
1309		1359
1310	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1311	# all maps in C++...	1361	# all maps in C++...
1312	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1314		1364
1315	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1317	}	1367	}
1318		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1319	sub try_load_header($) {	1377	sub load_header_from($) {
1320	my ($path) = @_;	1378	my ($self, $path) = @_;
1321		1379
1322	utf8::encode $path;	1380	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1324	or return;	1385	or return;
1325		1386
1326	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1327	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1328		1433
1329	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1435	unless $self->default_region;
1331		1436
1332	$map->load_header ($path)	1437	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1438	}
1339		1439
1340	sub find;	1440	sub find;
1341	sub find {	1441	sub find {
1342	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1343		1443
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1445
1349	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1350		1447
1351	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1353		1450	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1451	or return;
1373		1452
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1386		1454
1387	Coro::cede;	1455	$map->load_header
		1456	or return;
1388		1457
1389	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1461	$map->reset;
1391	undef $guard;	1462	undef $guard;
1392	$map = find $path	1463	return find $path;
1393	or return;
1394	}	1464	}
1395		1465
1396	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1397	}	1467	}
1398	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1399		1472
1400	sub load {	1473	sub load {
1401	my ($self) = @_;	1474	my ($self) = @_;
1402		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1403	my $path = $self->{path};	1478	my $path = $self->{path};
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1405		1480
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1482
1408	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1409		1484
1410	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1411	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1490	or return;
1413		1491
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1493	if delete $self->{load_original};
1416		1494
1417	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1496	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1498	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1422	}	1500	}
1423	}	1501	}
1424		1502
1425	Coro::cede;	1503	Coro::cede;
1426		1504
1427	# now do the right thing for maps	1505	# now do the right thing for maps
1428	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1429		1507
1430	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1431	$self->{deny_save} = 1;	1509	$self->decay_objects;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1437	$self->set_darkness_map;	1513	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1440	$self->activate;	1517	$self->activate;
1441	}	1518	}
1442		1519
1443	Coro::cede;	1520	$self->post_load;
1444		1521
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
1446	}	1532	}
1447		1533
1448	# find and load all maps in the 3x3 area around a map	1534	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1535	sub load_diag {
1450	my ($map) = @_;	1536	my ($map) = @_;
…		…
1480		1566
1481	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1482	}	1568	}
1483		1569
1484	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1571	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1572
1500	sub find_async {	1573	sub find_async {
1501	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1502		1575
1503	$path = new cf::path $path, $origin && $origin->path;	1576	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1577
1506	if (my $map = $cf::MAP{$key}) {	1578	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1580	}
1509		1581
1510	$MAP_PREFETCH{$key} = $path;	1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
1511	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1512		1596
1513	()	1597	()
1514	}	1598	}
1515		1599
1516	sub save {	1600	sub save {
…		…
1520		1604
1521	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1522		1606
1523	return unless $self->dirty;	1607	return unless $self->dirty;
1524		1608
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1611
1528	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1529		1613
1530	return if $self->{deny_save};	1614	return if $self->{deny_save};
1531		1615
…		…
1534	cf::async {	1618	cf::async {
1535	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1536	};	1620	};
1537		1621
1538	if ($uniq) {	1622	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1625	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1627	}
1544	}	1628	}
1545		1629
1546	sub swap_out {	1630	sub swap_out {
1547	my ($self) = @_;	1631	my ($self) = @_;
…		…
1561		1645
1562	sub reset_at {	1646	sub reset_at {
1563	my ($self) = @_;	1647	my ($self) = @_;
1564		1648
1565	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1568		1652
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1655
…		…
1576	my ($self) = @_;	1660	my ($self) = @_;
1577		1661
1578	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1579	}	1663	}
1580		1664
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1665	sub reset {
1603	my ($self) = @_;	1666	my ($self) = @_;
1604		1667
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1669
1607	return if $self->players;	1670	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1609		1672
1610	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1611		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1612	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1613		1688
1614	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1615		1690
1616	$self->unlink_save;	1691	$self->unlink_save;
1617	$self->destroy;	1692	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1621		1696
1622	sub nuke {	1697	sub nuke {
1623	my ($self) = @_;	1698	my ($self) = @_;
1624		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1628	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1629	}	1713	}
1630		1714
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1715	=item cf::map::unique_maps
1642		1716
1643	Returns an arrayref of cf::path's of all shared maps that have	1717	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1718	instantiated unique items. May block.
1645		1719
1646	=cut	1720	=cut
1647		1721
1648	sub unique_maps() {	1722	sub unique_maps() {
…		…
1654	for (@$files) {	1728	for (@$files) {
1655	utf8::decode $_;	1729	utf8::decode $_;
1656	next if /\.pst$/;	1730	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1658		1732
1659	push @paths, new cf::path $_;	1733	push @paths, cf::map::normalise $_;
1660	}	1734	}
1661		1735
1662	\@paths	1736	\@paths
1663	}	1737	}
1664		1738
…		…
1739		1813
1740	=item $player_object->enter_link	1814	=item $player_object->enter_link
1741		1815
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1817
1744	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1746		1820
		1821	Will never block.
		1822
1747	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1748		1824
1749	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1828	fails, to the emergency map position.
1753		1829
1754	Might block.	1830	Might block.
1755		1831
1756	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1757		1843
1758	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1845	my ($self) = @_;
1760		1846
1761	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1762		1848
1763	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1850
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1852	if $self->map;
1767		1853
1768	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1855	}
1770		1856
1771	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1773		1859
…		…
1795	$map->load;	1881	$map->load;
1796	$map->load_diag;	1882	$map->load_diag;
1797		1883
1798	return unless $self->contr->active;	1884	return unless $self->contr->active;
1799	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1801	}	1889	}
1802		1890
1803	cf::player->attach (	1891	cf::player->attach (
1804	on_logout => sub {	1892	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1906	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1821	(async {	1909	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1830	})->prio (2);	1918	})->prio (2);
1831	}	1919	}
1832	},	1920	},
…		…
1837	=cut	1925	=cut
1838		1926
1839	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1841		1929
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1930	$self->enter_link;
1845		1931
1846	(async {	1932	(async {
		1933	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1849		1936	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1939
1855	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1941	})->prio (1);
1857	}	1942	}
1858		1943
…		…
1862		1947
1863	sub parse_random_map_params {	1948	sub parse_random_map_params {
1864	my ($spec) = @_;	1949	my ($spec) = @_;
1865		1950
1866	my $rmp = { # defaults	1951	my $rmp = { # defaults
1867	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1869	};	1956	};
1870		1957
1871	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1873		1960
…		…
1877	$rmp	1964	$rmp
1878	}	1965	}
1879		1966
1880	sub prepare_random_map {	1967	sub prepare_random_map {
1881	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1971
1883	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1974	# that depends on the exit object
1886		1975
1887	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1888		1977
1889	if ($exit->map) {	1978	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1894	}	1983	}
1895		1984
1896	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1897		1986
1898	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900		1990
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1903		1995
1904	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	1997	$exit->msg (undef);
1906	}	1998	}
1907	}	1999	}
1908		2000
1909	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1911		2003
1912	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1913		2016
1914	$self->enter_link;	2017	$self->enter_link;
1915		2018
1916	(async {	2019	(async {
1917	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2021	unless (eval {
1919	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2023
1925	1;	2024	1;
1926	}) {	2025	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2030
1932	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2032	$self->leave_link;
1934	}	2033	}
1935	})->prio (1);	2034	})->prio (1);
…		…
1948		2047
1949	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1951		2050
1952	utf8::encode $text;	2051	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2053	}
1955		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1956		2067
1957	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1958		2069
1959	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2100	# get handled first
1990	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2103
1993	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2106
1995	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1996		2108
1997	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2110	if (@$queue) {
…		…
2056		2168
2057	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2058		2170
2059	=pod	2171	=pod
2060		2172
2061	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2062		2174
2063	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2176	cf::object::player player
2065	cf::player peaceful	2177	cf::player peaceful
2066	cf::map trigger	2178	cf::map trigger
…		…
2159	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2272	using it, it should be unique.
2161		2273
2162	=over 4	2274	=over 4
2163		2275
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2171		2277
2172	Returns a single value from the database	2278	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2279
2179	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2180		2281
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2283
2192	=cut	2284	=cut
2193		2285
2194	our $DB;	2286	our $DB;
2195		2287
2196	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2197	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2198		2307
2199	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2200	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2201	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2202		2312
2203	my $pid;	2313	unlink $path;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2314	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2315	}
2251	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}	2333	}
2253		2334
2254	#############################################################################	2335	#############################################################################
2255	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2256		2400
2257	sub cfg_load {	2401	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2259	or return;	2403	or return;
2260		2404
…		…
2277		2421
2278	sub main {	2422	sub main {
2279	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2282	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2283	};	2429	};
2284		2430
2285	cfg_load;	2431	cfg_load;
2286	db_load;	2432	db_init;
2287	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2288	Event::loop;	2436	Event::loop;
2289	}	2437	}
2290		2438
2291	#############################################################################	2439	#############################################################################
2292	# initialisation and cleanup	2440	# initialisation and cleanup
2293		2441
2294	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2295	BEGIN {	2443	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2299	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2300	cb => sub {	2450	cb => sub {
2301	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2302	},	2452	},
2303	);	2453	);
2304	}	2454	}
2305	}	2455	}
…		…
2310	warn "enter emergency perl save\n";	2460	warn "enter emergency perl save\n";
2311		2461
2312	cf::sync_job {	2462	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2463	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2464	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2465	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2466	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2467	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2468	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2469	$pl->valid or next;
2320	$pl->save;	2470	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2477	$map->valid or next;
2328	$map->save;	2478	$map->save;
2329	}	2479	}
2330	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2331	};	2485	};
2332		2486
2333	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2334	}	2495	}
2335		2496
2336	sub reload() {	2497	sub reload() {
2337	# can/must only be called in main	2498	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2340	return;	2501	return;
2341	}	2502	}
2342		2503
2343	warn "reloading...";	2504	warn "reloading...";
2344		2505
2345	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2347		2512
2348	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2349	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2350		2517
2351	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2521	}
2355		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2356	# cancel all extension coros	2534	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2536	%EXT_CORO = ();
2359		2537
2360	# unload all extensions	2538	warn "removing commands";
2361	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2363	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2553	}
2365		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2366	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2562
2370	warn "removing <$k>";	2563	warn "... unloading $k";
2371	delete $INC{$k};	2564	delete $INC{$k};
2372		2565
2373	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2375		2568
…		…
2378	}	2571	}
2379		2572
2380	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2381	}	2574	}
2382		2575
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2579
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2396		2582
2397	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2584	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2400		2586
2401	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2402	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2403	require cf;	2590	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2592
2406	# load config and database again	2593	warn "loading config and database again";
2407	cf::cfg_load;	2594	cf::cfg_load;
2408	cf::db_load;
2409		2595
2410	# load extensions
2411	warn "load extensions";	2596	warn "loading extensions";
2412	cf::load_extensions;	2597	cf::load_extensions;
2413		2598
2414	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2600	_global_reattach; # objects, sockets
2416	_global_reattach;	2601	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2418	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2419		2605
2420	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2421	warn $@;	2613	warn $@;
2422	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2423	exit 1;	2615	exit 1;
2424	}	2616	};
2425		2617
2426	warn "reloaded successfully";	2618	warn "reloaded";
2427	};	2619	};
2428		2620
2429	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}
2471
2472	register "<global>", __PACKAGE__;
2473		2622
2474	register_command "reload" => sub {	2623	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2476		2625
2477	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2479	reload;	2637	reload;
2480	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2481	}	2641	}
2482	};	2642	};
2483		2643
2484	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2485		2647
2486	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2488	prio => 0,	2651	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2491	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2492	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2495		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2496	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2498		2680
2499	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2683
2502	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2504	},	2686	},
2505	);	2687	);
2506		2688
		2689	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2508		2691	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2692	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2511	poll => 'r',	2694	poll => 'r',
2512	prio => 5,	2695	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2519	after => 0,	2697	cb => \&BDB::poll_cb,
2520	interval => 10,	2698	);
2521	cb => sub {	2699	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2700
2523	write_runtime	2701	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2735	};
2526	},	2736	}
2527	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2528		2753
2529	END { cf::emergency_save }	2754	END { cf::emergency_save }
2530		2755
2531	1	2756	1
2532		2757

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