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 1.237 by root, Fri Apr 13 05:08:51 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		39
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
31		42
32	$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
33		44
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		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";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
58		86
59	binmode STDOUT;	87	binmode STDOUT;
60	binmode STDERR;	88	binmode STDERR;
61		89
62	# read virtual server time, if available	90	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	97	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
74		103
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
146	}	182	}
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		187
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
…		…
178	$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;
179	$d	211	$d
180	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
181	}	213	}
182		214
183	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
184		216
185	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
186		218
187	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
188		220
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
197		222
198	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		224
207	=item cf::lock_wait $string	225	=item cf::lock_wait $string
208		226
209	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
210		228
…		…
247	}	265	}
248		266
249	sub freeze_mainloop {	267	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
251		269
252	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
253	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
254	$guard	274	$guard
255	}	275	}
256		276
257	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
309	}	329	}
310	}	330	}
311		331
312	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
313		333
314	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	335	extension calling this is being unloaded.
316		336
317	=cut	337	=cut
318		338
319	sub async_ext(&) {	339	sub async_ext(&) {
…		…
328		348
329	$coro	349	$coro
330	}	350	}
331		351
332	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
333	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
334		356
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	358	or return;
337		359
		360	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	365	and return;
341		366
		367	# always fsync - this file is important
342	aio_fsync $fh	368	aio_fsync $fh
343	and return;	369	and return;
344		370
345	close $fh	371	close $fh
346	or return;	372	or return;
…		…
349	and return;	375	and return;
350		376
351	1	377	1
352	}	378	}
353		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
354	=back	391	=back
355		392
356	=cut	393	=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		394
480	#############################################################################	395	#############################################################################
481		396
482	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
483		398
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	525	our @CB_MAP = ();
611		526
612	my %attachment;	527	my %attachment;
613		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
614	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
616		537
617	use sort 'stable';	538	use sort 'stable';
618		539
…		…
789	# object support	710	# object support
790		711
791	sub reattach {	712	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		717
795	my $registry = $obj->registry;	718	my $registry = $obj->registry;
796		719
797	@$registry = ();	720	@$registry = ();
798		721
…		…
845	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
846		769
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	774	close $fh;
852		775
853	if (@$objs) {	776	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	782	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
861	}	784	}
862	} else {	785	} else {
863	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
930	=cut	853	=cut
931		854
932	sub register_extcmd {	855	sub register_extcmd {
933	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
934		857
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
939	}	859	}
940		860
941	cf::player->attach (	861	cf::player->attach (
942	on_command => sub {	862	on_command => sub {
943	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
956		876
957	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
958		878
959	if (ref $msg) {	879	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	883	}
964	}	884	}
965	} else {	885	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		888
969	cf::override;	889	cf::override;
970	},	890	},
971	);	891	);
972		892
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	893	sub load_extension {
980	my ($path) = @_;	894	my ($path) = @_;
981		895
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	897	my $base = $1;
984	my $pkg = $1;	898	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
987		901
988	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
989		903
990	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
991	or die "$path: $!";	905	or die "$path: $!";
992		906
993	my $source =	907	my $source =
994	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
997	. "\n};\n1";	911	. "\n};\n1";
998		912
999	eval $source	913	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	915	: "extension disabled.\n";
1002		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	917	warn $@;
1004	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1005		919	exit 1;
1006	# no strict 'refs';	920	}
1007	# @{"$pkg\::ISA"} = ext::;	921	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	# }	922	}
1022		923
1023	# remove commands	924	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	}	925	}
1048		926
1049	sub load_extensions {	927	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	929	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1056	}	934	}
1057	}	935	}
1058		936
1059	#############################################################################	937	#############################################################################
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		938
1097	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1098		940
1099	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1100		942
…		…
1123	}	965	}
1124		966
1125	sub path($) {	967	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		969
1128	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1129	}	971	}
1130		972
1131	sub find_active($) {	973	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1136		978
1137	sub exists($) {	979	sub exists($) {
1138	my ($login) = @_;	980	my ($login) = @_;
1139		981
1140	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1142	}	984	}
1143		985
1144	sub find($) {	986	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	988	my $login = $_[0];
1147		989
1148	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1149		991
1150	$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
1151	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1152	or return;	1001	or return;
1153	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1154	}	1003	}
1155	}	1004	}
…		…
1192		1041
1193	=cut	1042	=cut
1194		1043
1195	sub quit_character {	1044	sub quit_character {
1196	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1197		1048
1198	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1199	$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
1200		1051
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1083	}
1213		1084
1214	=item cf::player::list_logins	1085	=item cf::player::list_logins
1215		1086
1216	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
…		…
1225	my @logins;	1096	my @logins;
1226		1097
1227	for my $login (@$dirs) {	1098	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1100	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1102
1232	utf8::decode $login;	1103	utf8::decode $login;
1233	push @logins, $login;	1104	push @logins, $login;
1234	}	1105	}
1235		1106
1236	\@logins	1107	\@logins
1237	}	1108	}
1238		1109
1239	=item $player->maps	1110	=item $player->maps
1240		1111
1241	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
1242	player. May block.	1113	player. May block.
1243		1114
1244	=cut	1115	=cut
1245		1116
1246	sub maps($) {	1117	sub maps($) {
1247	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1121
1249	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1250	or return;	1123	or return;
1251		1124
1252	my @paths;	1125	my @paths;
1253		1126
1254	for (@$files) {	1127	for (@$files) {
1255	utf8::decode $_;	1128	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1130	next unless /^$PATH_SEP/o;
1258		1131
1259	s/$PATH_SEP/\//g;	1132	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1133	}
1262		1134
1263	\@paths	1135	\@paths
1264	}	1136	}
1265		1137
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1267		1139
1268	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1269		1141
1270	=cut	1142	=cut
1271		1143
1272	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1274		1146
1275	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1276		1148
1277	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1278	}	1162	}
1279		1163
1280	package cf;	1164	package cf;
1281		1165
1282	=back	1166	=back
…		…
1291	package cf::map;	1175	package cf::map;
1292		1176
1293	use Fcntl;	1177	use Fcntl;
1294	use Coro::AIO;	1178	use Coro::AIO;
1295		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1296	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1298		1186
1299	sub generate_random_map {	1187	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1190	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1332	}
1317		1333
1318	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1319	# all maps in C++...	1335	# all maps in C++...
1320	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1322		1338
1323	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1325	}	1341	}
1326		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1327	sub try_load_header($) {	1351	sub load_header_from($) {
1328	my ($path) = @_;	1352	my ($self, $path) = @_;
1329		1353
1330	utf8::encode $path;	1354	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1332	or return;	1359	or return;
1333		1360
1334	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1335	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1336		1407
1337	# for better error messages only, will be overwritten	1408	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1409	}
1347		1410
1348	sub find;	1411	sub find;
1349	sub find {	1412	sub find {
1350	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1351		1414
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1416
1357	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1358		1418
1359	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1361		1421	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;	1422	or return;
1381		1423
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;	1424	$map->{last_save} = $cf::RUNTIME;
1394		1425
1395	Coro::cede;	1426	$map->load_header
		1427	or return;
1396		1428
1397	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1432	$map->reset;
1399	undef $guard;	1433	undef $guard;
1400	$map = find $path	1434	return find $path;
1401	or return;
1402	}	1435	}
1403		1436
1404	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1405	}	1438	}
1406	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1407		1443
1408	sub load {	1444	sub load {
1409	my ($self) = @_;	1445	my ($self) = @_;
1410		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1411	my $path = $self->{path};	1449	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1413		1451
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1453
1416	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1417		1455
1418	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1419	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1461	or return;
1421		1462
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1464	if delete $self->{load_original};
1424		1465
1425	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1467	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1469	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1430	}	1471	}
1431	}	1472	}
1432		1473
1433	Coro::cede;	1474	Coro::cede;
1434		1475
1435	# now do the right thing for maps	1476	# now do the right thing for maps
1436	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1437		1478
1438	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1480	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1445	$self->set_darkness_map;	1484	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1448	$self->activate;	1488	$self->activate;
1449	}	1489	}
1450		1490
1451	Coro::cede;	1491	$self->post_load;
1452		1492
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
1454	}	1527	}
1455		1528
1456	sub find_sync {	1529	sub find_sync {
1457	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1458		1531
1459	cf::sync_job { cf::map::find $path, $origin }	1532	cf::sync_job { find $path, $origin }
1460	}	1533	}
1461		1534
1462	sub do_load_sync {	1535	sub do_load_sync {
1463	my ($map) = @_;	1536	my ($map) = @_;
1464		1537
1465	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1466	}	1539	}
1467		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
		1569	}
		1570
1468	sub save {	1571	sub save {
1469	my ($self) = @_;	1572	my ($self) = @_;
1470		1573
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1575
1473	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1474		1577
1475	return unless $self->dirty;	1578	return unless $self->dirty;
1476		1579
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1582
1480	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1481		1584
1482	return if $self->{deny_save};	1585	return if $self->{deny_save};
1483		1586
…		…
1486	cf::async {	1589	cf::async {
1487	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1488	};	1591	};
1489		1592
1490	if ($uniq) {	1593	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1596	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1598	}
1496	}	1599	}
1497		1600
1498	sub swap_out {	1601	sub swap_out {
1499	my ($self) = @_;	1602	my ($self) = @_;
…		…
1513		1616
1514	sub reset_at {	1617	sub reset_at {
1515	my ($self) = @_;	1618	my ($self) = @_;
1516		1619
1517	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1520		1623
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1626
…		…
1528	my ($self) = @_;	1631	my ($self) = @_;
1529		1632
1530	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1531	}	1634	}
1532		1635
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	1636	sub reset {
1555	my ($self) = @_;	1637	my ($self) = @_;
1556		1638
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1640
1559	return if $self->players;	1641	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1561		1643
1562	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1563		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1564	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1565		1659
1566	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1567		1661
1568	$self->unlink_save;	1662	$self->unlink_save;
1569	$self->destroy;	1663	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1573		1667
1574	sub nuke {	1668	sub nuke {
1575	my ($self) = @_;	1669	my ($self) = @_;
1576		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1580	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1581	}	1684	}
1582		1685
1583	sub customise_for {	1686	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1687
1586	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1588	}
1589		1690
1590	$map	1691	=cut
1591	}
1592		1692
1593	sub emergency_save {	1693	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1595		1696
1596	warn "enter emergency perl save\n";	1697	my @paths;
1597		1698
1598	cf::sync_job {	1699	for (@$files) {
1599	warn "begin emergency player save\n";	1700	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1701	next if /\.pst$/;
1601	warn "end emergency player save\n";	1702	next unless /^$PATH_SEP/o;
1602		1703
1603	warn "begin emergency map save\n";	1704	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1705	}
1607		1706
1608	warn "leave emergency perl save\n";	1707	\@paths
1609	}	1708	}
1610		1709
1611	package cf;	1710	package cf;
1612		1711
1613	=back	1712	=back
1614		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1615		1740
1616	=head3 cf::object::player	1741	=head3 cf::object::player
1617		1742
1618	=over 4	1743	=over 4
1619		1744
…		…
1659		1784
1660	=item $player_object->enter_link	1785	=item $player_object->enter_link
1661		1786
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1788
1664	The player should be reaosnably safe there for short amounts of time. You	1789	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.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1666		1791
		1792	Will never block.
		1793
1667	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1668		1795
1669	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1799	fails, to the emergency map position.
1673		1800
1674	Might block.	1801	Might block.
1675		1802
1676	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1677		1814
1678	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1816	my ($self) = @_;
1680		1817
1681	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1682		1819
1683	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1821
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1823	if $self->map;
1687		1824
1688	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1826	}
1690		1827
1691	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1693		1830
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1714		1851
1715	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1716		1854
1717	return unless $self->contr->active;	1855	return unless $self->contr->active;
1718	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1720	}	1860	}
1721		1861
1722	cf::player->attach (	1862	cf::player->attach (
1723	on_logout => sub {	1863	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1877	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1740	(async {	1880	(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,	1881	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1883	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1749	})->prio (2);	1889	})->prio (2);
1750	}	1890	}
1751	},	1891	},
…		…
1756	=cut	1896	=cut
1757		1897
1758	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1760		1900
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1901	$self->enter_link;
1765		1902
1766	(async {	1903	(async {
		1904	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1769		1907	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1910
1775	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1912	})->prio (1);
1777	}	1913	}
1778		1914
…		…
1782		1918
1783	sub parse_random_map_params {	1919	sub parse_random_map_params {
1784	my ($spec) = @_;	1920	my ($spec) = @_;
1785		1921
1786	my $rmp = { # defaults	1922	my $rmp = { # defaults
1787	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1789	};	1927	};
1790		1928
1791	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1793		1931
…		…
1797	$rmp	1935	$rmp
1798	}	1936	}
1799		1937
1800	sub prepare_random_map {	1938	sub prepare_random_map {
1801	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1942
1803	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1945	# that depends on the exit object
1806		1946
1807	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1808		1948
1809	if ($exit->map) {	1949	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1814	}	1954	}
1815		1955
1816	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1817		1957
1818	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1961
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1823		1966
1824	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1968	$exit->msg (undef);
1826	}	1969	}
1827	}	1970	}
1828		1971
1829	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1831		1974
1832	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
1833		1987
1834	$self->enter_link;	1988	$self->enter_link;
1835		1989
1836	(async {	1990	(async {
1837	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1992	unless (eval {
1839	prepare_random_map $exit	1993	$self->goto ($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		1994
1845	1;	1995	1;
1846	}) {	1996	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2001
1852	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2003	$self->leave_link;
1854	}	2004	}
1855	})->prio (1);	2005	})->prio (1);
…		…
1868		2018
1869	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1871		2021
1872	utf8::encode $text;	2022	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2024	}
1875		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1876		2038
1877	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1878		2040
1879	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2071	# get handled first
1910	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2074
1913	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2077
1915	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1916		2079
1917	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2081	if (@$queue) {
…		…
1976		2139
1977	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1978		2141
1979	=pod	2142	=pod
1980		2143
1981	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1982		2145
1983	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2147	cf::object::player player
1985	cf::player peaceful	2148	cf::player peaceful
1986	cf::map trigger	2149	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2243	using it, it should be unique.
2081		2244
2082	=over 4	2245	=over 4
2083		2246
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	2247	=item $value = cf::db_get $family => $key
2091		2248
2092	Returns a single value from the database	2249	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		2250
2099	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2100		2252
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	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		2254
2112	=cut	2255	=cut
2113		2256
2114	our $DB;	2257	our $DB;
2115		2258
2116	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
2117	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
2118		2278
2119	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2283
2123	my $pid;	2284	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	}	2285	};
2133	}
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	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2286	}
2171	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2304	}
2173		2305
2174	#############################################################################	2306	#############################################################################
2175	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2176		2371
2177	sub cfg_load {	2372	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2374	or return;
2180		2375
…		…
2197		2392
2198	sub main {	2393	sub main {
2199	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2202	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2203	};	2400	};
2204		2401
2205	cfg_load;	2402	cfg_load;
2206	db_load;	2403	db_init;
2207	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2208	Event::loop;	2407	Event::loop;
2209	}	2408	}
2210		2409
2211	#############################################################################	2410	#############################################################################
2212	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2213		2467
2214	sub reload() {	2468	sub reload() {
2215	# can/must only be called in main	2469	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2218	return;	2472	return;
2219	}	2473	}
2220		2474
2221	warn "reloading...";	2475	warn "reloading...";
2222		2476
2223	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2225		2483
2226	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2227	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2228		2488
2229	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2492	}
2233		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2234	# cancel all extension coros	2505	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2507	%EXT_CORO = ();
2237		2508
2238	# unload all extensions	2509	warn "removing commands";
2239	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2241	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2524	}
2243		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2244	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2533
2248	warn "removing <$k>";	2534	warn "... unloading $k";
2249	delete $INC{$k};	2535	delete $INC{$k};
2250		2536
2251	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2253		2539
…		…
2256	}	2542	}
2257		2543
2258	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2259	}	2545	}
2260		2546
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2550
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2274		2553
2275	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2555	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2278		2557
2279	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2280	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2281	require cf;	2561	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2563
2284	# load config and database again	2564	warn "loading config and database again";
2285	cf::cfg_load;	2565	cf::cfg_load;
2286	cf::db_load;
2287		2566
2288	# load extensions
2289	warn "load extensions";	2567	warn "loading extensions";
2290	cf::load_extensions;	2568	cf::load_extensions;
2291		2569
2292	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2571	_global_reattach; # objects, sockets
2294	_global_reattach;	2572	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2296	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2297		2576
2298	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2299	warn $@;	2584	warn $@;
2300	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2301	exit 1;	2586	exit 1;
2302	}	2587	};
2303		2588
2304	warn "reloaded successfully";	2589	warn "reloaded";
2305	};	2590	};
2306		2591
2307	#############################################################################	2592	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2593
2352	register_command "reload" => sub {	2594	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2354		2596
2355	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2357	reload;	2608	reload;
2358	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2359	}	2612	}
2360	};	2613	};
2361		2614
2362	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2363		2618
2364	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2366	prio => 0,	2622	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2369	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2370	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2373		2651
2374	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2654
2377	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2379	},	2657	},
2380	);	2658	);
2381		2659
		2660	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2383		2662	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2663	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2386	poll => 'r',	2665	poll => 'r',
2387	prio => 5,	2666	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2394	after => 0,	2668	cb => \&BDB::poll_cb,
2395	interval => 10,	2669	);
2396	cb => sub {	2670	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2671
2398	write_runtime	2672	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2706	};
2401	},	2707	}
2402	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2403		2724
2404	END { cf::emergency_save }	2725	END { cf::emergency_save }
2405		2726
2406	1	2727	1
2407		2728

Diff Legend

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