ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 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;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28		37
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
31		40
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		42
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
39		52
		53	our $RELOAD; # number of reloads so far
40	our @EVENT;	54	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
42		56
43	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	61	our $NEXT_TICK;
46	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
47		67
48	our %CFG;	68	our %CFG;
49		69
50	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	71	our $RUNTIME;
52		72
53	our %PLAYER; # all users	73	our %PLAYER; # all users
54	our %MAP; # all maps	74	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		84
59	binmode STDOUT;	85	binmode STDOUT;
60	binmode STDERR;	86	binmode STDERR;
61		87
62	# read virtual server time, if available	88	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	95	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
74		101
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
146	}	180	}
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		185
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	209	$d
180	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
181	}	211	}
182		212
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		214
185	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
186		216
187	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
188		218
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
197		220
198	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		222
207	=item cf::lock_wait $string	223	=item cf::lock_wait $string
208		224
209	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
210		226
…		…
247	}	263	}
248		264
249	sub freeze_mainloop {	265	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
251		267
252	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
253	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
254	$guard	272	$guard
255	}	273	}
256		274
257	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub async_ext(&) {	337	sub async_ext(&) {
…		…
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
352	}	376	}
353		377
354	=back	378	=back
355		379
356	=cut	380	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		381
480	#############################################################################	382	#############################################################################
481		383
482	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
483		385
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	512	our @CB_MAP = ();
611		513
612	my %attachment;	514	my %attachment;
613		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
614	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
616		524
617	use sort 'stable';	525	use sort 'stable';
618		526
…		…
789	# object support	697	# object support
790		698
791	sub reattach {	699	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		704
795	my $registry = $obj->registry;	705	my $registry = $obj->registry;
796		706
797	@$registry = ();	707	@$registry = ();
798		708
…		…
845	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
846		756
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	761	close $fh;
852		762
853	if (@$objs) {	763	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	769	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
861	}	771	}
862	} else {	772	} else {
863	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
930	=cut	840	=cut
931		841
932	sub register_extcmd {	842	sub register_extcmd {
933	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
934		844
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
939	}	846	}
940		847
941	cf::player->attach (	848	cf::player->attach (
942	on_command => sub {	849	on_command => sub {
943	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
956		863
957	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
958		865
959	if (ref $msg) {	866	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	870	}
964	}	871	}
965	} else {	872	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		875
969	cf::override;	876	cf::override;
970	},	877	},
971	);	878	);
972		879
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	880	sub load_extension {
980	my ($path) = @_;	881	my ($path) = @_;
981		882
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	884	my $base = $1;
984	my $pkg = $1;	885	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
987		888
988	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
989		890
990	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
991	or die "$path: $!";	892	or die "$path: $!";
992		893
993	my $source =	894	my $source =
994	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
997	. "\n};\n1";	898	. "\n};\n1";
998		899
999	eval $source	900	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	902	: "extension disabled.\n";
1002		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	904	warn $@;
1004	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
1005		906	exit 1;
1006	# no strict 'refs';	907	}
1007	# @{"$pkg\::ISA"} = ext::;	908	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	909	}
1022		910
1023	# remove commands	911	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	912	}
1048		913
1049	sub load_extensions {	914	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	916	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1056	}	921	}
1057	}	922	}
1058		923
1059	#############################################################################	924	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		925
1097	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1098		927
1099	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1100		929
…		…
1136		965
1137	sub exists($) {	966	sub exists($) {
1138	my ($login) = @_;	967	my ($login) = @_;
1139		968
1140	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1142	}	971	}
1143		972
1144	sub find($) {	973	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	975	my $login = $_[0];
…		…
1192		1021
1193	=cut	1022	=cut
1194		1023
1195	sub quit_character {	1024	sub quit_character {
1196	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1197		1028
1198	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1031
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1211	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1212	}	1063	}
1213		1064
1214	=item cf::player::list_logins	1065	=item cf::player::list_logins
1215		1066
1216	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1076	my @logins;
1226		1077
1227	for my $login (@$dirs) {	1078	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1080	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1082
1232	utf8::decode $login;	1083	utf8::decode $login;
1233	push @logins, $login;	1084	push @logins, $login;
1234	}	1085	}
1235		1086
1236	\@logins	1087	\@logins
1237	}	1088	}
1238		1089
1239	=item $player->maps	1090	=item $player->maps
1240		1091
1241	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1242	player. May block.	1093	player. May block.
1243		1094
1244	=cut	1095	=cut
1245		1096
1246	sub maps($) {	1097	sub maps($) {
1247	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1101
1249	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1250	or return;	1103	or return;
1251		1104
1252	my @paths;	1105	my @paths;
1253		1106
1254	for (@$files) {	1107	for (@$files) {
1255	utf8::decode $_;	1108	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1110	next unless /^$PATH_SEP/o;
1258		1111
1259	s/$PATH_SEP/\//g;	1112	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1113	}
1262		1114
1263	\@paths	1115	\@paths
1264	}	1116	}
1265		1117
…		…
1291	package cf::map;	1143	package cf::map;
1292		1144
1293	use Fcntl;	1145	use Fcntl;
1294	use Coro::AIO;	1146	use Coro::AIO;
1295		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1296	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1298		1154
1299	sub generate_random_map {	1155	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1158	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1300	}
1317		1301
1318	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1319	# all maps in C++...	1303	# all maps in C++...
1320	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1322		1306
1323	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1325	}	1309	}
1326		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1327	sub try_load_header($) {	1319	sub load_header_from($) {
1328	my ($path) = @_;	1320	my ($self, $path) = @_;
1329		1321
1330	utf8::encode $path;	1322	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1332	or return;	1327	or return;
1333		1328
1334	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
1335	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1336		1375
1337	# for better error messages only, will be overwritten	1376	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1377	}
1347		1378
1348	sub find;	1379	sub find;
1349	sub find {	1380	sub find {
1350	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1351		1382
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1384
1357	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1358		1386
1359	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1361		1389	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1390	or return;
1381		1391
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1394		1393
1395	Coro::cede;	1394	$map->load_header
		1395	or return;
1396		1396
1397	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;
1398	$map->reset;	1400	$map->reset;
1399	undef $guard;	1401	undef $guard;
1400	$map = find $path	1402	return find $path;
1401	or return;
1402	}	1403	}
1403		1404
1404	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1405	}	1406	}
1406	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1407		1411
1408	sub load {	1412	sub load {
1409	my ($self) = @_;	1413	my ($self) = @_;
1410		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1411	my $path = $self->{path};	1417	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1413		1419
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1421
1416	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1417		1423
1418	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1419	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1429	or return;
1421		1430
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1432	if delete $self->{load_original};
1424		1433
1425	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1435	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1437	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1430	}	1439	}
1431	}	1440	}
1432		1441
1433	Coro::cede;	1442	Coro::cede;
1434		1443
1435	# now do the right thing for maps	1444	# now do the right thing for maps
1436	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1437		1446
1438	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1448	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1445	$self->set_darkness_map;	1452	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1448	$self->activate;	1456	$self->activate;
1449	}	1457	}
1450		1458
1451	Coro::cede;	1459	$self->post_load;
1452		1460
1453	$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	}
1454	}	1495	}
1455		1496
1456	sub find_sync {	1497	sub find_sync {
1457	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1458		1499
1459	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1460	}	1501	}
1461		1502
1462	sub do_load_sync {	1503	sub do_load_sync {
1463	my ($map) = @_;	1504	my ($map) = @_;
1464		1505
1465	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1466	}	1507	}
1467		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
1468	sub save {	1539	sub save {
1469	my ($self) = @_;	1540	my ($self) = @_;
1470		1541
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1543
1473	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1474		1545
1475	return unless $self->dirty;	1546	return unless $self->dirty;
1476		1547
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1550
1480	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1481		1552
1482	return if $self->{deny_save};	1553	return if $self->{deny_save};
1483		1554
…		…
1486	cf::async {	1557	cf::async {
1487	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1488	};	1559	};
1489		1560
1490	if ($uniq) {	1561	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1564	} else {
1494	$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);
1495	}	1566	}
1496	}	1567	}
1497		1568
1498	sub swap_out {	1569	sub swap_out {
1499	my ($self) = @_;	1570	my ($self) = @_;
…		…
1513		1584
1514	sub reset_at {	1585	sub reset_at {
1515	my ($self) = @_;	1586	my ($self) = @_;
1516		1587
1517	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1520		1591
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	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;
1523		1594
…		…
1528	my ($self) = @_;	1599	my ($self) = @_;
1529		1600
1530	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1531	}	1602	}
1532		1603
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1604	sub reset {
1555	my ($self) = @_;	1605	my ($self) = @_;
1556		1606
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1608
1559	return if $self->players;	1609	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1561		1611
1562	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1563		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
1564	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1565		1627
1566	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1567		1629
1568	$self->unlink_save;	1630	$self->unlink_save;
1569	$self->destroy;	1631	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1573		1635
1574	sub nuke {	1636	sub nuke {
1575	my ($self) = @_;	1637	my ($self) = @_;
1576		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1580	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1581	}	1652	}
1582		1653
1583	sub customise_for {	1654	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1655
1586	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1588	}
1589		1658
1590	$map	1659	=cut
1591	}
1592		1660
1593	sub emergency_save {	1661	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1595		1664
1596	warn "enter emergency perl save\n";	1665	my @paths;
1597		1666
1598	cf::sync_job {	1667	for (@$files) {
1599	warn "begin emergency player save\n";	1668	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1601	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1602		1671
1603	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1673	}
1607		1674
1608	warn "leave emergency perl save\n";	1675	\@paths
1609	}	1676	}
1610		1677
1611	package cf;	1678	package cf;
1612		1679
1613	=back	1680	=back
1614		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
1615		1708
1616	=head3 cf::object::player	1709	=head3 cf::object::player
1617		1710
1618	=over 4	1711	=over 4
1619		1712
…		…
1659		1752
1660	=item $player_object->enter_link	1753	=item $player_object->enter_link
1661		1754
1662	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}>).
1663		1756
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1666		1759
		1760	Will never block.
		1761
1667	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1668		1763
1669	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
1670	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
1671	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
1672	to the emergency map position.	1767	fails, to the emergency map position.
1673		1768
1674	Might block.	1769	Might block.
1675		1770
1676	=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	}
1677		1782
1678	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1784	my ($self) = @_;
1680		1785
1681	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1682		1787
1683	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1789
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1791	if $self->map;
1687		1792
1688	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1794	}
1690		1795
1691	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1693		1798
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1714		1819
1715	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1716		1822
1717	return unless $self->contr->active;	1823	return unless $self->contr->active;
1718	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1720	}	1828	}
1721		1829
1722	cf::player->attach (	1830	cf::player->attach (
1723	on_logout => sub {	1831	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1845	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1740	(async {	1848	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1749	})->prio (2);	1857	})->prio (2);
1750	}	1858	}
1751	},	1859	},
…		…
1756	=cut	1864	=cut
1757		1865
1758	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1760		1868
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1869	$self->enter_link;
1765		1870
1766	(async {	1871	(async {
		1872	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1769		1875	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1878
1775	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1880	})->prio (1);
1777	}	1881	}
1778		1882
…		…
1782		1886
1783	sub parse_random_map_params {	1887	sub parse_random_map_params {
1784	my ($spec) = @_;	1888	my ($spec) = @_;
1785		1889
1786	my $rmp = { # defaults	1890	my $rmp = { # defaults
1787	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1789	};	1895	};
1790		1896
1791	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1793		1899
…		…
1797	$rmp	1903	$rmp
1798	}	1904	}
1799		1905
1800	sub prepare_random_map {	1906	sub prepare_random_map {
1801	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1910
1803	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1913	# that depends on the exit object
1806		1914
1807	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1808		1916
1809	if ($exit->map) {	1917	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1814	}	1922	}
1815		1923
1816	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1817		1925
1818	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1929
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1823		1934
1824	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1936	$exit->msg (undef);
1826	}	1937	}
1827	}	1938	}
1828		1939
1829	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1831		1942
1832	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1833		1953
1834	$self->enter_link;	1954	$self->enter_link;
1835		1955
1836	(async {	1956	(async {
1837	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1958	unless (eval {
1839	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1960
1845	1;	1961	1;
1846	}) {	1962	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1967
1852	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1969	$self->leave_link;
1854	}	1970	}
…		…
1868		1984
1869	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1871		1987
1872	utf8::encode $text;	1988	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	1990	}
1875		1991
1876		1992
1877	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1878		1994
…		…
1909	# get handled first	2025	# get handled first
1910	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2028
1913	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2031
1915	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1916		2033
1917	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2035	if (@$queue) {
…		…
1976		2093
1977	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1978		2095
1979	=pod	2096	=pod
1980		2097
1981	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1982		2099
1983	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2101	cf::object::player player
1985	cf::player peaceful	2102	cf::player peaceful
1986	cf::map trigger	2103	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2197	using it, it should be unique.
2081		2198
2082	=over 4	2199	=over 4
2083		2200
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2091		2202
2092	Returns a single value from the database	2203	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2204
2099	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2100		2206
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2208
2112	=cut	2209	=cut
2113		2210
2114	our $DB;	2211	our $DB;
2115		2212
2116	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2117	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2118		2232
2119	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2237
2123	my $pid;	2238	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2239	};
2133	}	2240	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2241	}
		2242	}
2145		2243
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2244	sub db_get($$) {
2152	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2157	sub db_put($$;$) {	2255	sub db_put($$$) {
2158	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2160	} else {	2293	} else {
2161	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2295	}
2171	);	2296	Coro::cede;
2172	}	2297	}
2173		2298
2174	#############################################################################	2299	1
2175	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2176		2312
2177	sub cfg_load {	2313	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2315	or return;
2180		2316
…		…
2197		2333
2198	sub main {	2334	sub main {
2199	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2202	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2203	};	2341	};
2204		2342
2205	cfg_load;	2343	cfg_load;
2206	db_load;	2344	db_init;
2207	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2208	Event::loop;	2348	Event::loop;
2209	}	2349	}
2210		2350
2211	#############################################################################	2351	#############################################################################
2212	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
2213		2408
2214	sub reload() {	2409	sub reload() {
2215	# can/must only be called in main	2410	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2218	return;	2413	return;
2219	}	2414	}
2220		2415
2221	warn "reloading...";	2416	warn "reloading...";
2222		2417
2223	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2225		2424
2226	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2227	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2228		2429
2229	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2433	}
2233		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2234	# cancel all extension coros	2446	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2448	%EXT_CORO = ();
2237		2449
2238	# unload all extensions	2450	warn "removing commands";
2239	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2241	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2465	}
2243		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2244	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2474
2248	warn "removing <$k>";	2475	warn "... unloading $k";
2249	delete $INC{$k};	2476	delete $INC{$k};
2250		2477
2251	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2253		2480
…		…
2256	}	2483	}
2257		2484
2258	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2259	}	2486	}
2260		2487
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2491
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2274		2494
2275	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2496	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2278		2498
2279	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2280	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2281	require cf;	2502	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2504
2284	# load config and database again	2505	warn "loading config and database again";
2285	cf::cfg_load;	2506	cf::cfg_load;
2286	cf::db_load;
2287		2507
2288	# load extensions
2289	warn "load extensions";	2508	warn "loading extensions";
2290	cf::load_extensions;	2509	cf::load_extensions;
2291		2510
2292	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2512	_global_reattach; # objects, sockets
2294	_global_reattach;	2513	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2296	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2297		2517
2298	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2299	warn $@;	2525	warn $@;
2300	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2301	exit 1;	2527	exit 1;
2302	}	2528	};
2303		2529
2304	warn "reloaded successfully";	2530	warn "reloaded";
2305	};	2531	};
2306		2532
2307	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2534
2352	register_command "reload" => sub {	2535	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2354		2537
2355	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2357	reload;	2549	reload;
2358	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2359	}	2553	}
2360	};	2554	};
2361		2555
2362	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2363		2559
2364	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2366	prio => 0,	2563	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2369	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2370	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2373		2592
2374	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2595
2377	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2379	},	2598	},
2380	);	2599	);
2381		2600
		2601	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2383		2603	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2604	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2386	poll => 'r',	2606	poll => 'r',
2387	prio => 5,	2607	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2394	after => 0,	2609	cb => \&BDB::poll_cb,
2395	interval => 10,	2610	);
2396	cb => sub {	2611	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2612
2398	write_runtime	2613	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2647	};
2401	},	2648	}
2402	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2403		2665
2404	END { cf::emergency_save }	2666	END { cf::emergency_save }
2405		2667
2406	1	2668	1
2407		2669

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines