ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.227 by root, Fri Mar 23 18:32:48 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;
…		…
361	}	376	}
362		377
363	=back	378	=back
364		379
365	=cut	380	=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		381
543	#############################################################################	382	#############################################################################
544		383
545	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
546		385
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	512	our @CB_MAP = ();
674		513
675	my %attachment;	514	my %attachment;
676		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
677	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
679		524
680	use sort 'stable';	525	use sort 'stable';
681		526
…		…
852	# object support	697	# object support
853		698
854	sub reattach {	699	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		704
858	my $registry = $obj->registry;	705	my $registry = $obj->registry;
859		706
860	@$registry = ();	707	@$registry = ();
861		708
…		…
908	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
909		756
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	761	close $fh;
915		762
916	if (@$objs) {	763	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	769	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
924	}	771	}
925	} else {	772	} else {
926	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1051	. "\n};\n1";	898	. "\n};\n1";
1052		899
1053	eval $source	900	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	902	: "extension disabled.\n";
		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		904	warn $@;
		905	warn "mandatory extension failed to load, exiting.\n";
		906	exit 1;
		907	}
		908	die $@;
		909	}
1056		910
1057	push @EXTS, $pkg;	911	push @EXTS, $pkg;
1058	}	912	}
1059		913
1060	sub load_extensions {	914	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1067	}	921	}
1068	}	922	}
1069		923
1070	#############################################################################	924	#############################################################################
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		925
1086	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1087		927
1088	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1089		929
…		…
1125		965
1126	sub exists($) {	966	sub exists($) {
1127	my ($login) = @_;	967	my ($login) = @_;
1128		968
1129	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1131	}	971	}
1132		972
1133	sub find($) {	973	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	975	my $login = $_[0];
…		…
1181		1021
1182	=cut	1022	=cut
1183		1023
1184	sub quit_character {	1024	sub quit_character {
1185	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1186		1028
1187	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1031
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1200	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1201	}	1063	}
1202		1064
1203	=item cf::player::list_logins	1065	=item cf::player::list_logins
1204		1066
1205	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	\@logins	1087	\@logins
1226	}	1088	}
1227		1089
1228	=item $player->maps	1090	=item $player->maps
1229		1091
1230	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1231	player. May block.	1093	player. May block.
1232		1094
1233	=cut	1095	=cut
1234		1096
1235	sub maps($) {	1097	sub maps($) {
1236	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1101
1238	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1239	or return;	1103	or return;
1240		1104
1241	my @paths;	1105	my @paths;
…		…
1243	for (@$files) {	1107	for (@$files) {
1244	utf8::decode $_;	1108	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1110	next unless /^$PATH_SEP/o;
1247		1111
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1112	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1113	}
1250		1114
1251	\@paths	1115	\@paths
1252	}	1116	}
1253		1117
…		…
1279	package cf::map;	1143	package cf::map;
1280		1144
1281	use Fcntl;	1145	use Fcntl;
1282	use Coro::AIO;	1146	use Coro::AIO;
1283		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1284	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1286		1154
1287	sub generate_random_map {	1155	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1158	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1170	)
1305	}	1171	}
1306		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1300	}
		1301
1307	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1308	# all maps in C++...	1303	# all maps in C++...
1309	sub change_all_map_light {	1304	sub change_all_map_light {
1310	my ($change) = @_;	1305	my ($change) = @_;
1311		1306
1312	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1314	}	1309	}
1315		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1316	sub load_map_header($) {	1319	sub load_header_from($) {
1317	my ($path) = @_;	1320	my ($self, $path) = @_;
1318		1321
1319	utf8::encode $path;	1322	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1321	or return;	1327	or return;
1322		1328
1323	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1324	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1325		1375
1326	# for better error messages only, will be overwritten later	1376	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1377	}
1336		1378
1337	sub find;	1379	sub find;
1338	sub find {	1380	sub find {
1339	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1340		1382
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1384
1346	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1347		1386
1348	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1350		1389	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;	1390	or return;
1365		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1378		1393
1379	Coro::cede;	1394	$map->load_header
		1395	or return;
1380		1396
1381	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1400	$map->reset;
1383	undef $guard;	1401	undef $guard;
1384	$map = find $path	1402	return find $path;
1385	or return;
1386	}	1403	}
1387		1404
1388	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1389	}	1406	}
1390	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1391		1411
1392	sub load {	1412	sub load {
1393	my ($self) = @_;	1413	my ($self) = @_;
1394		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1395	my $path = $self->{path};	1417	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1397		1419
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1421
1400	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1401		1423
1402	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1403	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1429	or return;
1405		1430
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1432	if delete $self->{load_original};
1408		1433
1409	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1435	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1437	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1414	}	1439	}
1415	}	1440	}
1416		1441
1417	Coro::cede;	1442	Coro::cede;
1418		1443
1419	# now do the right thing for maps	1444	# now do the right thing for maps
1420	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1421		1446
1422	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1448	$self->decay_objects;
1427	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1428	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1429	$self->set_darkness_map;	1452	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1432	$self->activate;	1456	$self->activate;
1433	}	1457	}
1434		1458
1435	Coro::cede;	1459	$self->post_load;
1436		1460
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1438	}	1471	}
1439		1472
1440	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1474	sub load_diag {
1442	my ($map) = @_;	1475	my ($map) = @_;
…		…
1472		1505
1473	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1474	}	1507	}
1475		1508
1476	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1510	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		1511
1492	sub find_async {	1512	sub find_async {
1493	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1494		1514
1495	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1516
1498	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1519	}
1501		1520
1502	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1503	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1504		1535
1505	()	1536	()
1506	}	1537	}
1507		1538
1508	sub save {	1539	sub save {
…		…
1512		1543
1513	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1514		1545
1515	return unless $self->dirty;	1546	return unless $self->dirty;
1516		1547
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1550
1520	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1521		1552
1522	return if $self->{deny_save};	1553	return if $self->{deny_save};
1523		1554
…		…
1526	cf::async {	1557	cf::async {
1527	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1528	};	1559	};
1529		1560
1530	if ($uniq) {	1561	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1564	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1566	}
1536	}	1567	}
1537		1568
1538	sub swap_out {	1569	sub swap_out {
1539	my ($self) = @_;	1570	my ($self) = @_;
…		…
1553		1584
1554	sub reset_at {	1585	sub reset_at {
1555	my ($self) = @_;	1586	my ($self) = @_;
1556		1587
1557	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1560		1591
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1594
…		…
1568	my ($self) = @_;	1599	my ($self) = @_;
1569		1600
1570	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1571	}	1602	}
1572		1603
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 {	1604	sub reset {
1587	my ($self) = @_;	1605	my ($self) = @_;
1588		1606
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1608
1591	return if $self->players;	1609	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1593		1611
1594	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1595		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1596	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
1597		1625
		1626	$self->clear;
		1627
1598	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1599		1629
1600	$self->{path}->unlink_save;	1630	$self->unlink_save;
1601	$self->destroy;	1631	$self->destroy;
1602	}	1632	}
1603		1633
1604	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1605		1635
1606	sub nuke {	1636	sub nuke {
1607	my ($self) = @_;	1637	my ($self) = @_;
1608		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1612	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1613	}	1652	}
1614		1653
1615	=item cf::map::unique_maps	1654	=item cf::map::unique_maps
1616		1655
1617	Returns an arrayref of cf::path's of all shared maps that have	1656	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1657	instantiated unique items. May block.
1619		1658
1620	=cut	1659	=cut
1621		1660
1622	sub unique_maps() {	1661	sub unique_maps() {
…		…
1628	for (@$files) {	1667	for (@$files) {
1629	utf8::decode $_;	1668	utf8::decode $_;
1630	next if /\.pst$/;	1669	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1670	next unless /^$PATH_SEP/o;
1632		1671
1633	push @paths, new cf::path $_;	1672	push @paths, cf::map::normalise $_;
1634	}	1673	}
1635		1674
1636	\@paths	1675	\@paths
1637	}	1676	}
1638		1677
…		…
1713		1752
1714	=item $player_object->enter_link	1753	=item $player_object->enter_link
1715		1754
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1756
1718	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1720		1759
		1760	Will never block.
		1761
1721	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1722		1763
1723	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1767	fails, to the emergency map position.
1727		1768
1728	Might block.	1769	Might block.
1729		1770
1730	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1731		1782
1732	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1784	my ($self) = @_;
1734		1785
1735	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1736		1787
1737	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1789
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1791	if $self->map;
1741		1792
1742	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1794	}
1744		1795
1745	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1747		1798
…		…
1769	$map->load;	1820	$map->load;
1770	$map->load_diag;	1821	$map->load_diag;
1771		1822
1772	return unless $self->contr->active;	1823	return unless $self->contr->active;
1773	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1775	}	1828	}
1776		1829
1777	cf::player->attach (	1830	cf::player->attach (
1778	on_logout => sub {	1831	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1845	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1795	(async {	1848	(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,	1849	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1804	})->prio (2);	1857	})->prio (2);
1805	}	1858	}
1806	},	1859	},
…		…
1811	=cut	1864	=cut
1812		1865
1813	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1815		1868
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1869	$self->enter_link;
1819		1870
1820	(async {	1871	(async {
		1872	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1823		1875	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1878
1829	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1880	})->prio (1);
1831	}	1881	}
1832		1882
…		…
1836		1886
1837	sub parse_random_map_params {	1887	sub parse_random_map_params {
1838	my ($spec) = @_;	1888	my ($spec) = @_;
1839		1889
1840	my $rmp = { # defaults	1890	my $rmp = { # defaults
1841	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1843	};	1895	};
1844		1896
1845	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1847		1899
…		…
1851	$rmp	1903	$rmp
1852	}	1904	}
1853		1905
1854	sub prepare_random_map {	1906	sub prepare_random_map {
1855	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1910
1857	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1913	# that depends on the exit object
1860		1914
1861	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1862		1916
1863	if ($exit->map) {	1917	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1868	}	1922	}
1869		1923
1870	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1871		1925
1872	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1929
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1877		1934
1878	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1936	$exit->msg (undef);
1880	}	1937	}
1881	}	1938	}
1882		1939
1883	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1885		1942
1886	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1887		1953
1888	$self->enter_link;	1954	$self->enter_link;
1889		1955
1890	(async {	1956	(async {
1891	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1958	unless (eval {
1893	prepare_random_map $exit	1959	$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		1960
1899	1;	1961	1;
1900	}) {	1962	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
…		…
1922		1984
1923	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1925		1987
1926	utf8::encode $text;	1988	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	1990	}
1929		1991
1930		1992
1931	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1932		1994
…		…
1963	# get handled first	2025	# get handled first
1964	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2028
1967	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2031
1969	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1970		2033
1971	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2035	if (@$queue) {
…		…
2133	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2197	using it, it should be unique.
2135		2198
2136	=over 4	2199	=over 4
2137		2200
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	2201	=item $value = cf::db_get $family => $key
2145		2202
2146	Returns a single value from the database	2203	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		2204
2153	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2154		2206
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	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		2208
2166	=cut	2209	=cut
2167		2210
2168	our $DB;	2211	our $DB;
2169		2212
2170	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2171	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2172		2232
2173	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2237
2177	my $pid;	2238	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	}	2239	};
2187	}	2240	}
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	});	2241	}
		2242	}
2199		2243
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2244	sub db_get($$) {
2206	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2211	sub db_put($$;$) {	2255	sub db_put($$$) {
2212	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2214	} else {	2293	} else {
2215	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$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	},	2295	}
2225	);	2296	Coro::cede;
2226	}	2297	}
2227		2298
2228	#############################################################################	2299	1
2229	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2230		2312
2231	sub cfg_load {	2313	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2315	or return;
2234		2316
…		…
2251		2333
2252	sub main {	2334	sub main {
2253	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2256	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2257	};	2341	};
2258		2342
2259	cfg_load;	2343	cfg_load;
2260	db_load;	2344	db_init;
2261	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2262	Event::loop;	2348	Event::loop;
2263	}	2349	}
2264		2350
2265	#############################################################################	2351	#############################################################################
2266	# initialisation and cleanup	2352	# initialisation and cleanup
2267		2353
2268	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2269	BEGIN {	2355	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2273	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2274	cb => sub {	2362	cb => sub {
2275	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2276	},	2364	},
2277	);	2365	);
2278	}	2366	}
2279	}	2367	}
…		…
2284	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2285		2373
2286	cf::sync_job {	2374	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2381	$pl->valid or next;
2294	$pl->save;	2382	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2389	$map->valid or next;
2302	$map->save;	2390	$map->save;
2303	}	2391	}
2304	warn "end emergency map save\n";	2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2305	};	2397	};
2306		2398
2307	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2308	}	2407	}
2309		2408
2310	sub reload() {	2409	sub reload() {
2311	# can/must only be called in main	2410	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2314	return;	2413	return;
2315	}	2414	}
2316		2415
2317	warn "reloading...";	2416	warn "reloading...";
2318		2417
2319	warn "freezing server";	2418	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2322		2424
2323	warn "sync database to disk";	2425	warn "syncing database to disk";
2324	cf::db_sync;	2426	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2427
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2329		2429
2330	warn "cancel all watchers";	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2433	}
2334		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2335	warn "cancel all extension coros";	2446	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2448	%EXT_CORO = ();
2338		2449
2339	warn "remove commands";	2450	warn "removing commands";
2340	%COMMAND = ();	2451	%COMMAND = ();
2341		2452
2342	warn "remove ext commands";	2453	warn "removing ext commands";
2343	%EXTCMD = ();	2454	%EXTCMD = ();
2344		2455
2345	warn "unload/nuke all extensions";	2456	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2457	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2458	warn "... unloading $pkg";
2348		2459
2349	if (my $cb = $pkg->can ("unload")) {	2460	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2461	eval {
…		…
2355		2466
2356	warn "... nuking $pkg";	2467	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2468	Symbol::delete_package $pkg;
2358	}	2469	}
2359		2470
2360	warn "unload all perl modules loaded from $LIBDIR";	2471	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2474
2364	warn "removing <$k>";	2475	warn "... unloading $k";
2365	delete $INC{$k};	2476	delete $INC{$k};
2366		2477
2367	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2369		2480
…		…
2372	}	2483	}
2373		2484
2374	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2375	}	2486	}
2376		2487
2377	warn "get rid of safe::, as good as possible";	2488	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2491
2381	warn "unload cf.pm \"a bit\"";	2492	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2383		2494
2384	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2496	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2387		2498
		2499	warn "unload completed, starting to reload now";
		2500
2388	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2389	require cf;	2502	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2504
2392	warn "load config and database again";	2505	warn "loading config and database again";
2393	cf::cfg_load;	2506	cf::cfg_load;
2394	cf::db_load;
2395		2507
2396	warn "load extensions";	2508	warn "loading extensions";
2397	cf::load_extensions;	2509	cf::load_extensions;
2398		2510
2399	warn "reattach attachments to objects/players";	2511	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2512	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2513	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2403	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2404		2517
2405	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2406	warn $@;	2525	warn $@;
2407	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2408	exit 1;	2527	exit 1;
2409	}	2528	};
2410		2529
2411	warn "reloaded";	2530	warn "reloaded";
2412	};	2531	};
2413		2532
2414	#############################################################################	2533	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} = $LINK_MAP;
2455	}
2456		2534
2457	register_command "reload" => sub {	2535	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2459		2537
2460	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2462	reload;	2549	reload;
2463	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2464	}	2553	}
2465	};	2554	};
2466		2555
2467	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2468		2559
2469	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2471	prio => 0,	2563	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2474	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
2475	$NOW = Event::time;	2573	$NOW = Event::time;
2476		2574
2477	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2480		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
2481	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2483		2592
2484	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2595
2487	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2489	},	2598	},
2490	);	2599	);
2491		2600
		2601	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2493		2603	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2604	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2496	poll => 'r',	2606	poll => 'r',
2497	prio => 5,	2607	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2504	after => 0,	2609	cb => \&BDB::poll_cb,
2505	interval => 10,	2610	);
2506	cb => sub {	2611	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2612
2508	write_runtime	2613	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2647	};
2511	},	2648	}
2512	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2513		2665
2514	END { cf::emergency_save }	2666	END { cf::emergency_save }
2515		2667
2516	1	2668	1
2517		2669

Diff Legend

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