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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.230 by root, Mon Apr 2 18:04:46 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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$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
		42
		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 = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	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;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= 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
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$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;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	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
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	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
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		392
543	#############################################################################	393	#############################################################################
544		394
545	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
546		396
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	523	our @CB_MAP = ();
674		524
675	my %attachment;	525	my %attachment;
676		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
677	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
679		535
680	use sort 'stable';	536	use sort 'stable';
681		537
…		…
852	# object support	708	# object support
853		709
854	sub reattach {	710	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		715
858	my $registry = $obj->registry;	716	my $registry = $obj->registry;
859		717
860	@$registry = ();	718	@$registry = ();
861		719
…		…
908	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
909		767
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	772	close $fh;
915		773
916	if (@$objs) {	774	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	780	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
924	}	782	}
925	} else {	783	} else {
926	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1051	. "\n};\n1";	909	. "\n};\n1";
1052		910
1053	eval $source	911	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1056		921
1057	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1058	}	923	}
1059		924
1060	sub load_extensions {	925	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1067	}	932	}
1068	}	933	}
1069		934
1070	#############################################################################	935	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		936
1086	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1087		938
1088	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1089		940
…		…
1125		976
1126	sub exists($) {	977	sub exists($) {
1127	my ($login) = @_;	978	my ($login) = @_;
1128		979
1129	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1131	}	982	}
1132		983
1133	sub find($) {	984	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	986	my $login = $_[0];
…		…
1181		1032
1182	=cut	1033	=cut
1183		1034
1184	sub quit_character {	1035	sub quit_character {
1185	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1186		1039
1187	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1188	$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
1189		1042
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1074	}
1202		1075
1203	=item cf::player::list_logins	1076	=item cf::player::list_logins
1204		1077
1205	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	\@logins	1098	\@logins
1226	}	1099	}
1227		1100
1228	=item $player->maps	1101	=item $player->maps
1229		1102
1230	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
1231	player. May block.	1104	player. May block.
1232		1105
1233	=cut	1106	=cut
1234		1107
1235	sub maps($) {	1108	sub maps($) {
1236	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1112
1238	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1239	or return;	1114	or return;
1240		1115
1241	my @paths;	1116	my @paths;
…		…
1243	for (@$files) {	1118	for (@$files) {
1244	utf8::decode $_;	1119	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1247		1122
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1124	}
1250		1125
1251	\@paths	1126	\@paths
1252	}	1127	}
1253		1128
…		…
1279	package cf::map;	1154	package cf::map;
1280		1155
1281	use Fcntl;	1156	use Fcntl;
1282	use Coro::AIO;	1157	use Coro::AIO;
1283		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1284	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1286		1165
1287	sub generate_random_map {	1166	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1169	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1181	)
1305	}	1182	}
1306		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1311	}
		1312
1307	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1308	# all maps in C++...	1314	# all maps in C++...
1309	sub change_all_map_light {	1315	sub change_all_map_light {
1310	my ($change) = @_;	1316	my ($change) = @_;
1311		1317
1312	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1314	}	1320	}
1315		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1316	sub load_map_header($) {	1330	sub load_header_from($) {
1317	my ($path) = @_;	1331	my ($self, $path) = @_;
1318		1332
1319	utf8::encode $path;	1333	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1321	or return;	1338	or return;
1322		1339
1323	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1324	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1325		1386
1326	# for better error messages only, will be overwritten later	1387	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1388	}
1336		1389
1337	sub find;	1390	sub find;
1338	sub find {	1391	sub find {
1339	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1340		1393
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1395
1346	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1347		1397
1348	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1350		1400	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1401	or return;
1365		1402
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1378		1404
1379	Coro::cede;	1405	$map->load_header
		1406	or return;
1380		1407
1381	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1411	$map->reset;
1383	undef $guard;	1412	undef $guard;
1384	$map = find $path	1413	return find $path;
1385	or return;
1386	}	1414	}
1387		1415
1388	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1389	}	1417	}
1390	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1391		1422
1392	sub load {	1423	sub load {
1393	my ($self) = @_;	1424	my ($self) = @_;
1394		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1395	my $path = $self->{path};	1428	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1397		1430
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1432
1400	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1401		1434
1402	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1403	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1440	or return;
1405		1441
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1443	if delete $self->{load_original};
1408		1444
1409	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1446	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1448	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1414	}	1450	}
1415	}	1451	}
1416		1452
1417	Coro::cede;	1453	Coro::cede;
1418		1454
1419	# now do the right thing for maps	1455	# now do the right thing for maps
1420	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1421		1457
1422	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1459	$self->decay_objects;
1427	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1428	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1429	$self->set_darkness_map;	1463	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1432	$self->activate;	1467	$self->activate;
1433	}	1468	}
1434		1469
1435	Coro::cede;	1470	$self->post_load;
1436		1471
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
1438	}	1482	}
1439		1483
1440	# find and load all maps in the 3x3 area around a map	1484	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1485	sub load_diag {
1442	my ($map) = @_;	1486	my ($map) = @_;
…		…
1472		1516
1473	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1474	}	1518	}
1475		1519
1476	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1521	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1522
1492	sub find_async {	1523	sub find_async {
1493	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1494		1525
1495	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1527
1498	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1530	}
1501		1531
1502	$MAP_PREFETCH{$key} = $path;	1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
1503	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1504		1546
1505	()	1547	()
1506	}	1548	}
1507		1549
1508	sub save {	1550	sub save {
…		…
1512		1554
1513	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1514		1556
1515	return unless $self->dirty;	1557	return unless $self->dirty;
1516		1558
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1561
1520	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1521		1563
1522	return if $self->{deny_save};	1564	return if $self->{deny_save};
1523		1565
…		…
1526	cf::async {	1568	cf::async {
1527	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1528	};	1570	};
1529		1571
1530	if ($uniq) {	1572	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1575	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1577	}
1536	}	1578	}
1537		1579
1538	sub swap_out {	1580	sub swap_out {
1539	my ($self) = @_;	1581	my ($self) = @_;
…		…
1553		1595
1554	sub reset_at {	1596	sub reset_at {
1555	my ($self) = @_;	1597	my ($self) = @_;
1556		1598
1557	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1560		1602
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1605
…		…
1568	my ($self) = @_;	1610	my ($self) = @_;
1569		1611
1570	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1571	}	1613	}
1572		1614
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1615	sub reset {
1587	my ($self) = @_;	1616	my ($self) = @_;
1588		1617
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1619
1591	return if $self->players;	1620	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1593		1622
1594	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1595		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1596	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
1597		1636
		1637	$self->clear;
		1638
1598	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1599		1640
1600	$self->{path}->unlink_save;	1641	$self->unlink_save;
1601	$self->destroy;	1642	$self->destroy;
1602	}	1643	}
1603		1644
1604	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1605		1646
1606	sub nuke {	1647	sub nuke {
1607	my ($self) = @_;	1648	my ($self) = @_;
1608		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1612	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1613	}	1663	}
1614		1664
1615	=item cf::map::unique_maps	1665	=item cf::map::unique_maps
1616		1666
1617	Returns an arrayref of cf::path's of all shared maps that have	1667	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1668	instantiated unique items. May block.
1619		1669
1620	=cut	1670	=cut
1621		1671
1622	sub unique_maps() {	1672	sub unique_maps() {
…		…
1628	for (@$files) {	1678	for (@$files) {
1629	utf8::decode $_;	1679	utf8::decode $_;
1630	next if /\.pst$/;	1680	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1632		1682
1633	push @paths, new cf::path $_;	1683	push @paths, cf::map::normalise $_;
1634	}	1684	}
1635		1685
1636	\@paths	1686	\@paths
1637	}	1687	}
1638		1688
…		…
1713		1763
1714	=item $player_object->enter_link	1764	=item $player_object->enter_link
1715		1765
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1767
1718	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1720		1770
		1771	Will never block.
		1772
1721	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1722		1774
1723	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1778	fails, to the emergency map position.
1727		1779
1728	Might block.	1780	Might block.
1729		1781
1730	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1731		1793
1732	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1795	my ($self) = @_;
1734		1796
1735	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1736		1798
1737	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1800
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1802	if $self->map;
1741		1803
1742	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1805	}
1744		1806
1745	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1747		1809
…		…
1769	$map->load;	1831	$map->load;
1770	$map->load_diag;	1832	$map->load_diag;
1771		1833
1772	return unless $self->contr->active;	1834	return unless $self->contr->active;
1773	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1775	}	1839	}
1776		1840
1777	cf::player->attach (	1841	cf::player->attach (
1778	on_logout => sub {	1842	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1856	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1795	(async {	1859	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1804	})->prio (2);	1868	})->prio (2);
1805	}	1869	}
1806	},	1870	},
…		…
1811	=cut	1875	=cut
1812		1876
1813	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1815		1879
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1880	$self->enter_link;
1819		1881
1820	(async {	1882	(async {
		1883	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1823		1886	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1889
1829	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1891	})->prio (1);
1831	}	1892	}
1832		1893
…		…
1836		1897
1837	sub parse_random_map_params {	1898	sub parse_random_map_params {
1838	my ($spec) = @_;	1899	my ($spec) = @_;
1839		1900
1840	my $rmp = { # defaults	1901	my $rmp = { # defaults
1841	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1843	};	1906	};
1844		1907
1845	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1847		1910
…		…
1851	$rmp	1914	$rmp
1852	}	1915	}
1853		1916
1854	sub prepare_random_map {	1917	sub prepare_random_map {
1855	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1921
1857	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1924	# that depends on the exit object
1860		1925
1861	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1862		1927
1863	if ($exit->map) {	1928	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1868	}	1933	}
1869		1934
1870	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1871		1936
1872	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1940
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1877		1945
1878	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1947	$exit->msg (undef);
1880	}	1948	}
1881	}	1949	}
1882		1950
1883	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1885		1953
1886	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1887		1964
1888	$self->enter_link;	1965	$self->enter_link;
1889		1966
1890	(async {	1967	(async {
1891	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1969	unless (eval {
1893	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		1971
1899	1;	1972	1;
1900	}) {	1973	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
…		…
1922		1995
1923	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1925		1998
1926	utf8::encode $text;	1999	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2001	}
1929		2002
1930		2003
1931	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1932		2005
…		…
1963	# get handled first	2036	# get handled first
1964	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2039
1967	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2042
1969	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1970		2044
1971	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2046	if (@$queue) {
…		…
2030		2104
2031	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
2032		2106
2033	=pod	2107	=pod
2034		2108
2035	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
2036		2110
2037	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2112	cf::object::player player
2039	cf::player peaceful	2113	cf::player peaceful
2040	cf::map trigger	2114	cf::map trigger
…		…
2133	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2208	using it, it should be unique.
2135		2209
2136	=over 4	2210	=over 4
2137		2211
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2145		2213
2146	Returns a single value from the database	2214	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2215
2153	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2154		2217
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2219
2166	=cut	2220	=cut
2167		2221
2168	our $DB;	2222	our $DB;
2169		2223
2170	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2171	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2172		2243
2173	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2248
2177	my $pid;	2249	unlink $path;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2250	};
2187	}	2251	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2252	}
		2253	}
2199		2254
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2255	sub db_get($$) {
2206	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2211	sub db_put($$;$) {	2266	sub db_put($$$) {
2212	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_facedata {
		2275	my $path = sprintf "%s/facedata", cf::datadir;
		2276
		2277	warn "loading facedata from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2296	Coro::cede;
		2297	}
		2298
		2299	while (my ($face, $info) = each %$faces) {
		2300	next unless $info->{smooth};
		2301	my $idx = cf::face::find $face
		2302	or next;
		2303	if (my $smooth = cf::face::find $info->{smooth}) {
		2304	cf::face::set_smooth $idx, $smooth;
2214	} else {	2305	} else {
2215	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2307	}
2225	);	2308	Coro::cede;
2226	}	2309	}
2227		2310
2228	#############################################################################	2311	1
2229	# the server's main()	2312	}
		2313
		2314	sub reload_resources {
		2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2316	or die "unable to load regions file\n";#d#
		2317	load_facedata
		2318	or die "unable to load facedata\n";#d#
		2319	}
		2320
		2321	sub init {
		2322	reload_resources;
		2323	}
2230		2324
2231	sub cfg_load {	2325	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2327	or return;
2234		2328
…		…
2251		2345
2252	sub main {	2346	sub main {
2253	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2350	(async {
2256	async { Event::one_event };	2351	Event::one_event;
		2352	})->prio (Coro::PRIO_MAX);
2257	};	2353	};
2258		2354
2259	cfg_load;	2355	cfg_load;
2260	db_load;	2356	db_init;
2261	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2262	Event::loop;	2360	Event::loop;
2263	}	2361	}
2264		2362
2265	#############################################################################	2363	#############################################################################
2266	# initialisation and cleanup	2364	# initialisation and cleanup
2267		2365
2268	# install some emergency cleanup handlers	2366	# install some emergency cleanup handlers
2269	BEGIN {	2367	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2368	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2369	Event->signal (
		2370	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2371	data => WF_AUTOCANCEL,
2273	signal => $signal,	2372	signal => $signal,
		2373	prio => 0,
2274	cb => sub {	2374	cb => sub {
2275	cf::cleanup "SIG$signal";	2375	cf::cleanup "SIG$signal";
2276	},	2376	},
2277	);	2377	);
2278	}	2378	}
2279	}	2379	}
…		…
2284	warn "enter emergency perl save\n";	2384	warn "enter emergency perl save\n";
2285		2385
2286	cf::sync_job {	2386	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2387	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2388	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2389	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2390	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2391	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2392	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2393	$pl->valid or next;
2294	$pl->save;	2394	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2400	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2401	$map->valid or next;
2302	$map->save;	2402	$map->save;
2303	}	2403	}
2304	warn "end emergency map save\n";	2404	warn "end emergency map save\n";
		2405
		2406	warn "begin emergency database checkpoint\n";
		2407	BDB::db_env_txn_checkpoint $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
2305	};	2409	};
2306		2410
2307	warn "leave emergency perl save\n";	2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
2308	}	2419	}
2309		2420
2310	sub reload() {	2421	sub reload() {
2311	# can/must only be called in main	2422	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2314	return;	2425	return;
2315	}	2426	}
2316		2427
2317	warn "reloading...";	2428	warn "reloading...";
2318		2429
2319	warn "freezing server";	2430	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2322		2436
2323	warn "sync database to disk";	2437	warn "syncing database to disk";
2324	cf::db_sync;	2438	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2439
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2440	# if anything goes wrong in here, we should simply crash as we already saved
2329		2441
2330	warn "cancel all watchers";	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2445	}
2334		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2335	warn "cancel all extension coros";	2458	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2460	%EXT_CORO = ();
2338		2461
2339	warn "remove commands";	2462	warn "removing commands";
2340	%COMMAND = ();	2463	%COMMAND = ();
2341		2464
2342	warn "remove ext commands";	2465	warn "removing ext commands";
2343	%EXTCMD = ();	2466	%EXTCMD = ();
2344		2467
2345	warn "unload/nuke all extensions";	2468	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2469	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2470	warn "... unloading $pkg";
2348		2471
2349	if (my $cb = $pkg->can ("unload")) {	2472	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2473	eval {
…		…
2355		2478
2356	warn "... nuking $pkg";	2479	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2480	Symbol::delete_package $pkg;
2358	}	2481	}
2359		2482
2360	warn "unload all perl modules loaded from $LIBDIR";	2483	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2486
2364	warn "removing <$k>";	2487	warn "... unloading $k";
2365	delete $INC{$k};	2488	delete $INC{$k};
2366		2489
2367	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2369		2492
…		…
2372	}	2495	}
2373		2496
2374	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2375	}	2498	}
2376		2499
2377	warn "get rid of safe::, as good as possible";	2500	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2503
2381	warn "unload cf.pm \"a bit\"";	2504	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2383		2506
2384	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2508	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2387		2510
		2511	warn "unload completed, starting to reload now";
		2512
2388	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2389	require cf;	2514	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2516
2392	warn "load config and database again";	2517	warn "loading config and database again";
2393	cf::cfg_load;	2518	cf::cfg_load;
2394	cf::db_load;
2395		2519
2396	warn "load extensions";	2520	warn "loading extensions";
2397	cf::load_extensions;	2521	cf::load_extensions;
2398		2522
2399	warn "reattach attachments to objects/players";	2523	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2524	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2525	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2526	reattach $_ for values %MAP;
2403	};	2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2404		2529
2405	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2406	warn $@;	2537	warn $@;
2407	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2408	exit 1;	2539	exit 1;
2409	}	2540	};
2410		2541
2411	warn "reloaded";	2542	warn "reloaded";
2412	};	2543	};
2413		2544
2414	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}
2456		2546
2457	register_command "reload" => sub {	2547	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2459		2549
2460	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");	2551	$who->message ("reloading server.");
		2552
		2553	# doing reload synchronously and two reloads happen back-to-back,
		2554	# coro crashes during coro_state_free->destroy here.
		2555
		2556	$RELOAD_WATCHER ||= Event->timer (
		2557	reentrant => 0,
		2558	after => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => sub {
2462	reload;	2561	reload;
2463	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2464	}	2565	}
2465	};	2566	};
2466		2567
2467	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2468		2571
2469	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2471	prio => 0,	2575	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2474	cb => sub {	2578	cb => sub {
		2579	if ($Coro::current != $Coro::main) {
		2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2581	unless ++$bug_warning > 10;
		2582	return;
		2583	}
		2584
2475	$NOW = Event::time;	2585	$NOW = Event::time;
2476		2586
2477	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
2480		2590
		2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2592	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2593	Coro::async_pool {
		2594	write_runtime
		2595	or warn "ERROR: unable to write runtime file: $!";
		2596	};
		2597	}
		2598
2481	$WAIT_FOR_TICK->broadcast;	2599	$WAIT_FOR_TICK->broadcast;
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2601
		2602	# my $AFTER = Event::time;
		2603	# warn $AFTER - $NOW;#d#
2483		2604
2484	# if we are delayed by four ticks or more, skip them all	2605	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2607
2487	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2489	},	2610	},
2490	);	2611	);
2491		2612
		2613	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2493		2615	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2616	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2496	poll => 'r',	2618	poll => 'r',
2497	prio => 5,	2619	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2504	after => 0,	2621	cb => \&BDB::poll_cb,
2505	interval => 10,	2622	);
2506	cb => sub {	2623	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2624
2508	write_runtime	2625	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2626	my $status;
		2627	my $current = $Coro::current;
		2628	(
		2629	sub {
		2630	$status = $!;
		2631	$current->ready; undef $current;
		2632	},
		2633	sub {
		2634	Coro::schedule while defined $current;
		2635	$! = $status;
		2636	},
		2637	)
		2638	};
		2639
		2640	unless ($DB_ENV) {
		2641	$DB_ENV = BDB::db_env_create;
		2642
		2643	cf::sync_job {
		2644	eval {
		2645	BDB::db_env_open
		2646	$DB_ENV,
		2647	$BDB_ENV_DIR,
		2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2650	0666;
		2651
		2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2653
		2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2655	$DB_ENV->set_lk_detect;
		2656	};
		2657
		2658	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2659	};
2511	},	2660	}
2512	);	2661	}
		2662
		2663	{
		2664	IO::AIO::min_parallel 8;
		2665
		2666	undef $Coro::AIO::WATCHER;
		2667	IO::AIO::max_poll_time $TICK * 0.1;
		2668	$AIO_POLL_WATCHER = Event->io (
		2669	reentrant => 0,
		2670	data => WF_AUTOCANCEL,
		2671	fd => IO::AIO::poll_fileno,
		2672	poll => 'r',
		2673	prio => 6,
		2674	cb => \&IO::AIO::poll_cb,
		2675	);
		2676	}
2513		2677
2514	END { cf::emergency_save }	2678	END { cf::emergency_save }
2515		2679
2516	1	2680	1
2517		2681

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