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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 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 $fh
346	or return;	370	or return;
…		…
349	and return;	373	and return;
350		374
351	1	375	1
352	}	376	}
353		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
354	=back	389	=back
355		390
356	=cut	391	=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		392
480	#############################################################################	393	#############################################################################
481		394
482	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
483		396
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	523	our @CB_MAP = ();
611		524
612	my %attachment;	525	my %attachment;
613		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
614	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
616		535
617	use sort 'stable';	536	use sort 'stable';
618		537
…		…
789	# object support	708	# object support
790		709
791	sub reattach {	710	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		715
795	my $registry = $obj->registry;	716	my $registry = $obj->registry;
796		717
797	@$registry = ();	718	@$registry = ();
798		719
…		…
845	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
846		767
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	772	close $fh;
852		773
853	if (@$objs) {	774	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	780	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
861	}	782	}
862	} else {	783	} else {
863	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
930	=cut	851	=cut
931		852
932	sub register_extcmd {	853	sub register_extcmd {
933	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
934		855
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
939	}	857	}
940		858
941	cf::player->attach (	859	cf::player->attach (
942	on_command => sub {	860	on_command => sub {
943	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
956		874
957	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
958		876
959	if (ref $msg) {	877	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	881	}
964	}	882	}
965	} else {	883	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		886
969	cf::override;	887	cf::override;
970	},	888	},
971	);	889	);
972		890
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	891	sub load_extension {
980	my ($path) = @_;	892	my ($path) = @_;
981		893
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	895	my $base = $1;
984	my $pkg = $1;	896	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
987		899
988	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
989		901
990	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
991	or die "$path: $!";	903	or die "$path: $!";
992		904
993	my $source =	905	my $source =
994	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
997	. "\n};\n1";	909	. "\n};\n1";
998		910
999	eval $source	911	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	913	: "extension disabled.\n";
1002		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	915	warn $@;
1004	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1005		917	exit 1;
1006	# no strict 'refs';	918	}
1007	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
1022		921
1023	# remove commands	922	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	}	923	}
1048		924
1049	sub load_extensions {	925	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	927	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1056	}	932	}
1057	}	933	}
1058		934
1059	#############################################################################	935	#############################################################################
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		936
1097	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1098		938
1099	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1100		940
…		…
1136		976
1137	sub exists($) {	977	sub exists($) {
1138	my ($login) = @_;	978	my ($login) = @_;
1139		979
1140	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1142	}	982	}
1143		983
1144	sub find($) {	984	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	986	my $login = $_[0];
…		…
1192		1032
1193	=cut	1033	=cut
1194		1034
1195	sub quit_character {	1035	sub quit_character {
1196	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1197		1039
1198	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1042
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1211	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1212	}	1074	}
1213		1075
1214	=item cf::player::list_logins	1076	=item cf::player::list_logins
1215		1077
1216	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1087	my @logins;
1226		1088
1227	for my $login (@$dirs) {	1089	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1091	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1093
1232	utf8::decode $login;	1094	utf8::decode $login;
1233	push @logins, $login;	1095	push @logins, $login;
1234	}	1096	}
1235		1097
1236	\@logins	1098	\@logins
1237	}	1099	}
1238		1100
1239	=item $player->maps	1101	=item $player->maps
1240		1102
1241	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1242	player. May block.	1104	player. May block.
1243		1105
1244	=cut	1106	=cut
1245		1107
1246	sub maps($) {	1108	sub maps($) {
1247	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1112
1249	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1250	or return;	1114	or return;
1251		1115
1252	my @paths;	1116	my @paths;
1253		1117
1254	for (@$files) {	1118	for (@$files) {
1255	utf8::decode $_;	1119	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1121	next unless /^$PATH_SEP/o;
1258		1122
1259	s/$PATH_SEP/\//g;	1123	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1124	}
1262		1125
1263	\@paths	1126	\@paths
1264	}	1127	}
1265		1128
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1267		1130
1268	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1269		1132
1270	=cut	1133	=cut
1271		1134
1272	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1274		1137
1275	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1276		1139
1277	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1278	}	1153	}
1279		1154
1280	package cf;	1155	package cf;
1281		1156
1282	=back	1157	=back
…		…
1291	package cf::map;	1166	package cf::map;
1292		1167
1293	use Fcntl;	1168	use Fcntl;
1294	use Coro::AIO;	1169	use Coro::AIO;
1295		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1296	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1298		1177
1299	sub generate_random_map {	1178	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1181	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1323	}
1317		1324
1318	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1319	# all maps in C++...	1326	# all maps in C++...
1320	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1322		1329
1323	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1325	}	1332	}
1326		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1327	sub try_load_header($) {	1342	sub load_header_from($) {
1328	my ($path) = @_;	1343	my ($self, $path) = @_;
1329		1344
1330	utf8::encode $path;	1345	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1332	or return;	1350	or return;
1333		1351
1334	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1335	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1336		1398
1337	# for better error messages only, will be overwritten	1399	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1400	}
1347		1401
1348	sub find;	1402	sub find;
1349	sub find {	1403	sub find {
1350	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1351		1405
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1407
1357	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1358		1409
1359	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1361		1412	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;	1413	or return;
1381		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1394		1416
1395	Coro::cede;	1417	$map->load_header
		1418	or return;
1396		1419
1397	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1423	$map->reset;
1399	undef $guard;	1424	undef $guard;
1400	$map = find $path	1425	return find $path;
1401	or return;
1402	}	1426	}
1403		1427
1404	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1405	}	1429	}
1406	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1407		1434
1408	sub load {	1435	sub load {
1409	my ($self) = @_;	1436	my ($self) = @_;
1410		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1411	my $path = $self->{path};	1440	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1413		1442
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1444
1416	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1417		1446
1418	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1419	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1452	or return;
1421		1453
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1455	if delete $self->{load_original};
1424		1456
1425	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1458	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1460	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1430	}	1462	}
1431	}	1463	}
1432		1464
1433	Coro::cede;	1465	Coro::cede;
1434		1466
1435	# now do the right thing for maps	1467	# now do the right thing for maps
1436	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1437		1469
1438	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1471	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1445	$self->set_darkness_map;	1475	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1448	$self->activate;	1479	$self->activate;
1449	}	1480	}
1450		1481
1451	Coro::cede;	1482	$self->post_load;
1452		1483
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
1454	}	1518	}
1455		1519
1456	sub find_sync {	1520	sub find_sync {
1457	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1458		1522
1459	cf::sync_job { cf::map::find $path, $origin }	1523	cf::sync_job { find $path, $origin }
1460	}	1524	}
1461		1525
1462	sub do_load_sync {	1526	sub do_load_sync {
1463	my ($map) = @_;	1527	my ($map) = @_;
1464		1528
1465	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1466	}	1530	}
1467		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
1468	sub save {	1562	sub save {
1469	my ($self) = @_;	1563	my ($self) = @_;
1470		1564
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1566
1473	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1474		1568
1475	return unless $self->dirty;	1569	return unless $self->dirty;
1476		1570
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1573
1480	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1481		1575
1482	return if $self->{deny_save};	1576	return if $self->{deny_save};
1483		1577
…		…
1486	cf::async {	1580	cf::async {
1487	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1488	};	1582	};
1489		1583
1490	if ($uniq) {	1584	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1587	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1589	}
1496	}	1590	}
1497		1591
1498	sub swap_out {	1592	sub swap_out {
1499	my ($self) = @_;	1593	my ($self) = @_;
…		…
1513		1607
1514	sub reset_at {	1608	sub reset_at {
1515	my ($self) = @_;	1609	my ($self) = @_;
1516		1610
1517	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1520		1614
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1617
…		…
1528	my ($self) = @_;	1622	my ($self) = @_;
1529		1623
1530	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1531	}	1625	}
1532		1626
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	1627	sub reset {
1555	my ($self) = @_;	1628	my ($self) = @_;
1556		1629
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1631
1559	return if $self->players;	1632	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1561		1634
1562	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1563		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1564	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1565		1650
1566	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1567		1652
1568	$self->unlink_save;	1653	$self->unlink_save;
1569	$self->destroy;	1654	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1573		1658
1574	sub nuke {	1659	sub nuke {
1575	my ($self) = @_;	1660	my ($self) = @_;
1576		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1580	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1581	}	1675	}
1582		1676
1583	sub customise_for {	1677	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1678
1586	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1588	}
1589		1681
1590	$map	1682	=cut
1591	}
1592		1683
1593	sub emergency_save {	1684	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1595		1687
1596	warn "enter emergency perl save\n";	1688	my @paths;
1597		1689
1598	cf::sync_job {	1690	for (@$files) {
1599	warn "begin emergency player save\n";	1691	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1692	next if /\.pst$/;
1601	warn "end emergency player save\n";	1693	next unless /^$PATH_SEP/o;
1602		1694
1603	warn "begin emergency map save\n";	1695	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1696	}
1607		1697
1608	warn "leave emergency perl save\n";	1698	\@paths
1609	}	1699	}
1610		1700
1611	package cf;	1701	package cf;
1612		1702
1613	=back	1703	=back
1614		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1615		1731
1616	=head3 cf::object::player	1732	=head3 cf::object::player
1617		1733
1618	=over 4	1734	=over 4
1619		1735
…		…
1659		1775
1660	=item $player_object->enter_link	1776	=item $player_object->enter_link
1661		1777
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1779
1664	The player should be reaosnably safe there for short amounts of time. You	1780	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.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1666		1782
		1783	Will never block.
		1784
1667	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1668		1786
1669	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1790	fails, to the emergency map position.
1673		1791
1674	Might block.	1792	Might block.
1675		1793
1676	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1677		1805
1678	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1807	my ($self) = @_;
1680		1808
1681	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1682		1810
1683	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1812
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1814	if $self->map;
1687		1815
1688	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1817	}
1690		1818
1691	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1693		1821
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1714		1842
1715	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1716		1845
1717	return unless $self->contr->active;	1846	return unless $self->contr->active;
1718	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1720	}	1851	}
1721		1852
1722	cf::player->attach (	1853	cf::player->attach (
1723	on_logout => sub {	1854	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1868	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1740	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1749	})->prio (2);	1880	})->prio (2);
1750	}	1881	}
1751	},	1882	},
…		…
1756	=cut	1887	=cut
1757		1888
1758	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1760		1891
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1892	$self->enter_link;
1765		1893
1766	(async {	1894	(async {
		1895	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1769		1898	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1901
1775	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1903	})->prio (1);
1777	}	1904	}
1778		1905
…		…
1782		1909
1783	sub parse_random_map_params {	1910	sub parse_random_map_params {
1784	my ($spec) = @_;	1911	my ($spec) = @_;
1785		1912
1786	my $rmp = { # defaults	1913	my $rmp = { # defaults
1787	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1789	};	1918	};
1790		1919
1791	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1793		1922
…		…
1797	$rmp	1926	$rmp
1798	}	1927	}
1799		1928
1800	sub prepare_random_map {	1929	sub prepare_random_map {
1801	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1933
1803	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1936	# that depends on the exit object
1806		1937
1807	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1808		1939
1809	if ($exit->map) {	1940	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1814	}	1945	}
1815		1946
1816	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1817		1948
1818	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1952
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1823		1957
1824	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1959	$exit->msg (undef);
1826	}	1960	}
1827	}	1961	}
1828		1962
1829	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1831		1965
1832	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
1833		1976
1834	$self->enter_link;	1977	$self->enter_link;
1835		1978
1836	(async {	1979	(async {
1837	$self->deactivate_recursive; # just to be sure	1980	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1981	unless (eval {
1839	prepare_random_map $exit	1982	$self->goto ($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		1983
1845	1;	1984	1;
1846	}) {	1985	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1988	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1989	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1990
1852	warn "ERROR in enter_exit: $@";	1991	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1992	$self->leave_link;
1854	}	1993	}
…		…
1868		2007
1869	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1871		2010
1872	utf8::encode $text;	2011	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2013	}
1875		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1876		2027
1877	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1878		2029
1879	Queues a query to the client, calling the given callback with	2030	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>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2060	# get handled first
1910	my $queue = delete $ns->{query_queue}	2061	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2063
1913	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2066
1915	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1916		2068
1917	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2070	if (@$queue) {
…		…
1976		2128
1977	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
1978		2130
1979	=pod	2131	=pod
1980		2132
1981	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
1982		2134
1983	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2136	cf::object::player player
1985	cf::player peaceful	2137	cf::player peaceful
1986	cf::map trigger	2138	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2232	using it, it should be unique.
2081		2233
2082	=over 4	2234	=over 4
2083		2235
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	2236	=item $value = cf::db_get $family => $key
2091		2237
2092	Returns a single value from the database	2238	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		2239
2099	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
2100		2241
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	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		2243
2112	=cut	2244	=cut
2113		2245
2114	our $DB;	2246	our $DB;
2115		2247
2116	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
2117	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
2118		2267
2119	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2272
2123	my $pid;	2273	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	}	2274	};
2133	}	2275	}
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	});	2276	}
		2277	}
2145		2278
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2279	sub db_get($$) {
2152	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
2157	sub db_put($$;$) {	2290	sub db_put($$$) {
2158	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
2160	} else {	2329	} else {
2161	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$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	},	2331	}
2171	);	2332	Coro::cede;
2172	}	2333	}
2173		2334
2174	#############################################################################	2335	1
2175	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
2176		2348
2177	sub cfg_load {	2349	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2351	or return;
2180		2352
…		…
2197		2369
2198	sub main {	2370	sub main {
2199	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2374	(async {
2202	async { Event::one_event };	2375	Event::one_event;
		2376	})->prio (Coro::PRIO_MAX);
2203	};	2377	};
2204		2378
2205	cfg_load;	2379	cfg_load;
2206	db_load;	2380	db_init;
2207	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
2208	Event::loop;	2384	Event::loop;
2209	}	2385	}
2210		2386
2211	#############################################################################	2387	#############################################################################
2212	# initialisation	2388	# initialisation and cleanup
		2389
		2390	# install some emergency cleanup handlers
		2391	BEGIN {
		2392	for my $signal (qw(INT HUP TERM)) {
		2393	Event->signal (
		2394	reentrant => 0,
		2395	data => WF_AUTOCANCEL,
		2396	signal => $signal,
		2397	prio => 0,
		2398	cb => sub {
		2399	cf::cleanup "SIG$signal";
		2400	},
		2401	);
		2402	}
		2403	}
		2404
		2405	sub emergency_save() {
		2406	my $freeze_guard = cf::freeze_mainloop;
		2407
		2408	warn "enter emergency perl save\n";
		2409
		2410	cf::sync_job {
		2411	# use a peculiar iteration method to avoid tripping on perl
		2412	# refcount bugs in for. also avoids problems with players
		2413	# and maps saved/destroyed asynchronously.
		2414	warn "begin emergency player save\n";
		2415	for my $login (keys %cf::PLAYER) {
		2416	my $pl = $cf::PLAYER{$login} or next;
		2417	$pl->valid or next;
		2418	$pl->save;
		2419	}
		2420	warn "end emergency player save\n";
		2421
		2422	warn "begin emergency map save\n";
		2423	for my $path (keys %cf::MAP) {
		2424	my $map = $cf::MAP{$path} or next;
		2425	$map->valid or next;
		2426	$map->save;
		2427	}
		2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
		2433	};
		2434
		2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
		2443	}
2213		2444
2214	sub reload() {	2445	sub reload() {
2215	# can/must only be called in main	2446	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
2218	return;	2449	return;
2219	}	2450	}
2220		2451
2221	warn "reloading...";	2452	warn "reloading...";
2222		2453
2223	my $guard = freeze_mainloop;	2454	warn "entering sync_job";
		2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2225		2460
2226	eval {	2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
2227	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
2228		2465
2229	# cancel all watchers	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2469	}
2233		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
2234	# cancel all extension coros	2482	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2484	%EXT_CORO = ();
2237		2485
2238	# unload all extensions	2486	warn "removing commands";
2239	for (@exts) {	2487	%COMMAND = ();
		2488
		2489	warn "removing ext commands";
		2490	%EXTCMD = ();
		2491
		2492	warn "unloading/nuking all extensions";
		2493	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2494	warn "... unloading $pkg";
2241	unload_extension $_;	2495
		2496	if (my $cb = $pkg->can ("unload")) {
		2497	eval {
		2498	$cb->($pkg);
		2499	1
		2500	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2501	}
2243		2502
		2503	warn "... nuking $pkg";
		2504	Symbol::delete_package $pkg;
		2505	}
		2506
2244	# unload all modules loaded from $LIBDIR	2507	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2510
2248	warn "removing <$k>";	2511	warn "... unloading $k";
2249	delete $INC{$k};	2512	delete $INC{$k};
2250		2513
2251	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
2253		2516
…		…
2256	}	2519	}
2257		2520
2258	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
2259	}	2522	}
2260		2523
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2524	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2527
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2528	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
2274		2530
2275	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2532	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
2278		2534
2279	# reload cf.pm	2535	warn "unload completed, starting to reload now";
		2536
2280	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
2281	require cf;	2538	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2540
2284	# load config and database again	2541	warn "loading config and database again";
2285	cf::cfg_load;	2542	cf::cfg_load;
2286	cf::db_load;
2287		2543
2288	# load extensions
2289	warn "load extensions";	2544	warn "loading extensions";
2290	cf::load_extensions;	2545	cf::load_extensions;
2291		2546
2292	# reattach attachments to objects	2547	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2548	_global_reattach; # objects, sockets
2294	_global_reattach;	2549	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2550	reattach $_ for values %MAP;
2296	};	2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2297		2553
2298	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
2299	warn $@;	2561	warn $@;
2300	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2301	exit 1;	2563	exit 1;
2302	}	2564	};
2303		2565
2304	warn "reloaded successfully";	2566	warn "reloaded";
2305	};	2567	};
2306		2568
2307	#############################################################################	2569	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2570
2352	register_command "reload" => sub {	2571	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
2354		2573
2355	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
2357	reload;	2585	reload;
2358	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
2359	}	2589	}
2360	};	2590	};
2361		2591
2362	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
2363		2595
2364	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2366	prio => 0,	2599	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2369	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
2370	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
		2623	$WAIT_FOR_TICK->broadcast;
		2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2373		2628
2374	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2631
2377	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2379	},	2634	},
2380	);	2635	);
2381		2636
		2637	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2383		2639	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2640	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2386	poll => 'r',	2642	poll => 'r',
2387	prio => 5,	2643	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2394	after => 0,	2645	cb => \&BDB::poll_cb,
2395	interval => 10,	2646	);
2396	cb => sub {	2647	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2648
2398	write_runtime	2649	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2683	};
2401	},	2684	}
2402	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
2403		2701
2404	END { cf::emergency_save }	2702	END { cf::emergency_save }
2405		2703
2406	1	2704	1
2407		2705

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