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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		392
523	#############################################################################	393	#############################################################################
524		394
525	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
526		396
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	523	our @CB_MAP = ();
654		524
655	my %attachment;	525	my %attachment;
656		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
657	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
659		535
660	use sort 'stable';	536	use sort 'stable';
661		537
…		…
832	# object support	708	# object support
833		709
834	sub reattach {	710	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		715
838	my $registry = $obj->registry;	716	my $registry = $obj->registry;
839		717
840	@$registry = ();	718	@$registry = ();
841		719
…		…
888	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
889		767
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	772	close $fh;
895		773
896	if (@$objs) {	774	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	780	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
904	}	782	}
905	} else {	783	} else {
906	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1028	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1031	. "\n};\n1";	909	. "\n};\n1";
1032		910
1033	eval $source	911	unless (eval $source) {
1034	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1035	: "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	}
1036		921
1037	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1038	}	923	}
1039		924
1040	sub load_extensions {	925	sub load_extensions {
…		…
1046	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1047	}	932	}
1048	}	933	}
1049		934
1050	#############################################################################	935	#############################################################################
1051	# load/save/clean perl data associated with a map
1052
1053	*cf::mapsupport::on_clean = sub {
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		936
1066	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1067		938
1068	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1069		940
…		…
1105		976
1106	sub exists($) {	977	sub exists($) {
1107	my ($login) = @_;	978	my ($login) = @_;
1108		979
1109	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1111	}	982	}
1112		983
1113	sub find($) {	984	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	986	my $login = $_[0];
…		…
1161		1032
1162	=cut	1033	=cut
1163		1034
1164	sub quit_character {	1035	sub quit_character {
1165	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1166		1039
1167	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1168	$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
1169		1042
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1179	$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
1180	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;
1181	}	1074	}
1182		1075
1183	=item cf::player::list_logins	1076	=item cf::player::list_logins
1184		1077
1185	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
…		…
1205	\@logins	1098	\@logins
1206	}	1099	}
1207		1100
1208	=item $player->maps	1101	=item $player->maps
1209		1102
1210	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
1211	player. May block.	1104	player. May block.
1212		1105
1213	=cut	1106	=cut
1214		1107
1215	sub maps($) {	1108	sub maps($) {
1216	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1112
1218	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1219	or return;	1114	or return;
1220		1115
1221	my @paths;	1116	my @paths;
…		…
1223	for (@$files) {	1118	for (@$files) {
1224	utf8::decode $_;	1119	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1227		1122
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1124	}
1230		1125
1231	\@paths	1126	\@paths
1232	}	1127	}
1233		1128
…		…
1259	package cf::map;	1154	package cf::map;
1260		1155
1261	use Fcntl;	1156	use Fcntl;
1262	use Coro::AIO;	1157	use Coro::AIO;
1263		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1264	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1266		1165
1267	sub generate_random_map {	1166	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1169	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1181	)
1285	}	1182	}
1286		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
1287	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1288	# all maps in C++...	1314	# all maps in C++...
1289	sub change_all_map_light {	1315	sub change_all_map_light {
1290	my ($change) = @_;	1316	my ($change) = @_;
1291		1317
1292	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1294	}	1320	}
1295		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
1296	sub load_map_header($) {	1330	sub load_header_from($) {
1297	my ($path) = @_;	1331	my ($self, $path) = @_;
1298		1332
1299	utf8::encode $path;	1333	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1301	or return;	1338	or return;
1302		1339
1303	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
1304	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1305		1386
1306	# for better error messages only, will be overwritten later	1387	1
1307	$map->path ($path);
1308
1309	$map->load_header ($path)
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1388	}
1316		1389
1317	sub find;	1390	sub find;
1318	sub find {	1391	sub find {
1319	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1320		1393
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1395
1326	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1327		1397
1328	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1330		1400	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1401	or return;
1345		1402
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1358		1404
1359	Coro::cede;	1405	$map->load_header
		1406	or return;
1360		1407
1361	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;
1362	$map->reset;	1411	$map->reset;
1363	undef $guard;	1412	undef $guard;
1364	$map = find $path	1413	return find $path;
1365	or return;
1366	}	1414	}
1367		1415
1368	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1369	}	1417	}
1370	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1371		1422
1372	sub load {	1423	sub load {
1373	my ($self) = @_;	1424	my ($self) = @_;
1374		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1375	my $path = $self->{path};	1428	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1377		1430
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1432
1380	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1381		1434
1382	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1383	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1440	or return;
1385		1441
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1443	if delete $self->{load_original};
1388		1444
1389	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1446	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1448	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1394	}	1450	}
1395	}	1451	}
1396		1452
1397	Coro::cede;	1453	Coro::cede;
1398		1454
1399	# now do the right thing for maps	1455	# now do the right thing for maps
1400	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1401		1457
1402	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1459	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1409	$self->set_darkness_map;	1463	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1412	$self->activate;	1467	$self->activate;
1413	}	1468	}
1414		1469
1415	Coro::cede;	1470	$self->post_load;
1416		1471
1417	$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
1418	}	1482	}
1419		1483
1420	# 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
1421	sub load_diag {	1485	sub load_diag {
1422	my ($map) = @_;	1486	my ($map) = @_;
…		…
1452		1516
1453	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1454	}	1518	}
1455		1519
1456	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1521	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1522
1472	sub find_async {	1523	sub find_async {
1473	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1474		1525
1475	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1527
1478	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1530	}
1481		1531
1482	$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	};
1483	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1484		1546
1485	()	1547	()
1486	}	1548	}
1487		1549
1488	sub save {	1550	sub save {
…		…
1492		1554
1493	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1494		1556
1495	return unless $self->dirty;	1557	return unless $self->dirty;
1496		1558
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1561
1500	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1501		1563
1502	return if $self->{deny_save};	1564	return if $self->{deny_save};
1503		1565
…		…
1506	cf::async {	1568	cf::async {
1507	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1508	};	1570	};
1509		1571
1510	if ($uniq) {	1572	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1575	} else {
1514	$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);
1515	}	1577	}
1516	}	1578	}
1517		1579
1518	sub swap_out {	1580	sub swap_out {
1519	my ($self) = @_;	1581	my ($self) = @_;
…		…
1533		1595
1534	sub reset_at {	1596	sub reset_at {
1535	my ($self) = @_;	1597	my ($self) = @_;
1536		1598
1537	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1540		1602
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	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;
1543		1605
…		…
1548	my ($self) = @_;	1610	my ($self) = @_;
1549		1611
1550	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1551	}	1613	}
1552		1614
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1615	sub reset {
1575	my ($self) = @_;	1616	my ($self) = @_;
1576		1617
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1619
1579	return if $self->players;	1620	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1581		1622
1582	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1583		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
1584	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1585		1638
1586	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1587		1640
1588	$self->unlink_save;	1641	$self->unlink_save;
1589	$self->destroy;	1642	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1593		1646
1594	sub nuke {	1647	sub nuke {
1595	my ($self) = @_;	1648	my ($self) = @_;
1596		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1600	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1601	}	1663	}
1602		1664
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1665	=item cf::map::unique_maps
1614		1666
1615	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
1616	instantiated unique items. May block.	1668	instantiated unique items. May block.
1617		1669
1618	=cut	1670	=cut
1619		1671
1620	sub unique_maps() {	1672	sub unique_maps() {
…		…
1626	for (@$files) {	1678	for (@$files) {
1627	utf8::decode $_;	1679	utf8::decode $_;
1628	next if /\.pst$/;	1680	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1630		1682
1631	push @paths, new cf::path $_;	1683	push @paths, cf::map::normalise $_;
1632	}	1684	}
1633		1685
1634	\@paths	1686	\@paths
1635	}	1687	}
1636		1688
…		…
1711		1763
1712	=item $player_object->enter_link	1764	=item $player_object->enter_link
1713		1765
1714	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}>).
1715		1767
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1718		1770
		1771	Will never block.
		1772
1719	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1720		1774
1721	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
1722	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
1723	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
1724	to the emergency map position.	1778	fails, to the emergency map position.
1725		1779
1726	Might block.	1780	Might block.
1727		1781
1728	=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	}
1729		1793
1730	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1795	my ($self) = @_;
1732		1796
1733	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1734		1798
1735	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1800
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1802	if $self->map;
1739		1803
1740	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1805	}
1742		1806
1743	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1745		1809
…		…
1767	$map->load;	1831	$map->load;
1768	$map->load_diag;	1832	$map->load_diag;
1769		1833
1770	return unless $self->contr->active;	1834	return unless $self->contr->active;
1771	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1773	}	1839	}
1774		1840
1775	cf::player->attach (	1841	cf::player->attach (
1776	on_logout => sub {	1842	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1856	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1793	(async {	1859	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1798	. "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.",
1799	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
1800	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1802	})->prio (2);	1868	})->prio (2);
1803	}	1869	}
1804	},	1870	},
…		…
1809	=cut	1875	=cut
1810		1876
1811	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1813		1879
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1880	$self->enter_link;
1817		1881
1818	(async {	1882	(async {
		1883	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1821		1886	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1823	# if $map;
1824
1825	$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);
1826		1889
1827	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1891	})->prio (1);
1829	}	1892	}
1830		1893
…		…
1834		1897
1835	sub parse_random_map_params {	1898	sub parse_random_map_params {
1836	my ($spec) = @_;	1899	my ($spec) = @_;
1837		1900
1838	my $rmp = { # defaults	1901	my $rmp = { # defaults
1839	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1841	};	1906	};
1842		1907
1843	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1845		1910
…		…
1849	$rmp	1914	$rmp
1850	}	1915	}
1851		1916
1852	sub prepare_random_map {	1917	sub prepare_random_map {
1853	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1921
1855	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1924	# that depends on the exit object
1858		1925
1859	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1860		1927
1861	if ($exit->map) {	1928	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1866	}	1933	}
1867		1934
1868	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1869		1936
1870	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1940
1873	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) {
1874	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;
1875		1945
1876	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1947	$exit->msg (undef);
1878	}	1948	}
1879	}	1949	}
1880		1950
1881	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1883		1953
1884	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;
1885		1964
1886	$self->enter_link;	1965	$self->enter_link;
1887		1966
1888	(async {	1967	(async {
1889	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1969	unless (eval {
1891	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		1971
1897	1;	1972	1;
1898	}) {	1973	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "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. "
…		…
1920		1995
1921	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1923		1998
1924	utf8::encode $text;	1999	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2001	}
1927		2002
1928		2003
1929	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1930		2005
…		…
1961	# get handled first	2036	# get handled first
1962	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1963	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
1964		2039
1965	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2042
1967	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1968		2044
1969	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2046	if (@$queue) {
…		…
2028		2104
2029	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
2030		2106
2031	=pod	2107	=pod
2032		2108
2033	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
2034		2110
2035	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2112	cf::object::player player
2037	cf::player peaceful	2113	cf::player peaceful
2038	cf::map trigger	2114	cf::map trigger
…		…
2131	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
2132	using it, it should be unique.	2208	using it, it should be unique.
2133		2209
2134	=over 4	2210	=over 4
2135		2211
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2143		2213
2144	Returns a single value from the database	2214	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2215
2151	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2152		2217
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2219
2164	=cut	2220	=cut
2165		2221
2166	our $DB;	2222	our $DB;
2167		2223
2168	{	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
2169	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;
2170		2243
2171	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2248
2175	my $pid;	2249	unlink $path;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2250	};
2185	}	2251	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2252	}
		2253	}
2197		2254
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2255	sub db_get($$) {
2204	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2209	sub db_put($$;$) {	2266	sub db_put($$$) {
2210	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2211	$DB->{$_[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;
2212	} else {	2305	} else {
2213	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2307	}
2223	);	2308	Coro::cede;
2224	}	2309	}
2225		2310
2226	#############################################################################	2311	1
2227	# 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	}
2228		2324
2229	sub cfg_load {	2325	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2327	or return;
2232		2328
…		…
2249		2345
2250	sub main {	2346	sub main {
2251	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2253	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 {
2254	async { Event::one_event };	2351	Event::one_event;
		2352	})->prio (Coro::PRIO_MAX);
2255	};	2353	};
2256		2354
2257	cfg_load;	2355	cfg_load;
2258	db_load;	2356	db_init;
2259	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2260	Event::loop;	2360	Event::loop;
2261	}	2361	}
2262		2362
2263	#############################################################################	2363	#############################################################################
2264	# initialisation and cleanup	2364	# initialisation and cleanup
2265		2365
2266	# install some emergency cleanup handlers	2366	# install some emergency cleanup handlers
2267	BEGIN {	2367	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2368	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2369	Event->signal (
		2370	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2371	data => WF_AUTOCANCEL,
2271	signal => $signal,	2372	signal => $signal,
		2373	prio => 0,
2272	cb => sub {	2374	cb => sub {
2273	cf::cleanup "SIG$signal";	2375	cf::cleanup "SIG$signal";
2274	},	2376	},
2275	);	2377	);
2276	}	2378	}
2277	}	2379	}
…		…
2282	warn "enter emergency perl save\n";	2384	warn "enter emergency perl save\n";
2283		2385
2284	cf::sync_job {	2386	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2387	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2388	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2389	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2390	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2391	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2392	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2393	$pl->valid or next;
2292	$pl->save;	2394	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2400	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2401	$map->valid or next;
2300	$map->save;	2402	$map->save;
2301	}	2403	}
2302	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 $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
2303	};	2409	};
2304		2410
2305	warn "leave emergency perl save\n";	2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
2306	}	2419	}
2307		2420
2308	sub reload() {	2421	sub reload() {
2309	# can/must only be called in main	2422	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2312	return;	2425	return;
2313	}	2426	}
2314		2427
2315	warn "reloading...";	2428	warn "reloading...";
2316		2429
2317	warn "freezing server";	2430	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2320		2436
2321	warn "sync database to disk";	2437	warn "syncing database to disk";
2322	cf::db_sync;	2438	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2439
2325	eval {
2326	# 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
2327		2441
2328	warn "cancel all watchers";	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2445	}
2332		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2333	warn "cancel all extension coros";	2458	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2460	%EXT_CORO = ();
2336		2461
2337	warn "remove commands";	2462	warn "removing commands";
2338	%COMMAND = ();	2463	%COMMAND = ();
2339		2464
2340	warn "remove ext commands";	2465	warn "removing ext commands";
2341	%EXTCMD = ();	2466	%EXTCMD = ();
2342		2467
2343	warn "unload/nuke all extensions";	2468	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2469	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2470	warn "... unloading $pkg";
2346		2471
2347	if (my $cb = $pkg->can ("unload")) {	2472	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2473	eval {
…		…
2353		2478
2354	warn "... nuking $pkg";	2479	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2480	Symbol::delete_package $pkg;
2356	}	2481	}
2357		2482
2358	warn "unload all perl modules loaded from $LIBDIR";	2483	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2486
2362	warn "removing <$k>";	2487	warn "... unloading $k";
2363	delete $INC{$k};	2488	delete $INC{$k};
2364		2489
2365	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2367		2492
…		…
2370	}	2495	}
2371		2496
2372	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2373	}	2498	}
2374		2499
2375	warn "get rid of safe::, as good as possible";	2500	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2377	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);
2378		2503
2379	warn "unload cf.pm \"a bit\"";	2504	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2381		2506
2382	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2508	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2385		2510
		2511	warn "unload completed, starting to reload now";
		2512
2386	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2387	require cf;	2514	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2516
2390	warn "load config and database again";	2517	warn "loading config and database again";
2391	cf::cfg_load;	2518	cf::cfg_load;
2392	cf::db_load;
2393		2519
2394	warn "load extensions";	2520	warn "loading extensions";
2395	cf::load_extensions;	2521	cf::load_extensions;
2396		2522
2397	warn "reattach attachments to objects/players";	2523	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2524	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2525	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2526	reattach $_ for values %MAP;
2401	};	2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2402		2529
2403	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2404	warn $@;	2537	warn $@;
2405	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2406	exit 1;	2539	exit 1;
2407	}	2540	};
2408		2541
2409	warn "reloaded";	2542	warn "reloaded";
2410	};	2543	};
2411		2544
2412	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}
2454		2546
2455	register_command "reload" => sub {	2547	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2457		2549
2458	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2459	$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 {
2460	reload;	2561	reload;
2461	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2462	}	2565	}
2463	};	2566	};
2464		2567
2465	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2466		2571
2467	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2469	prio => 0,	2575	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2472	cb => sub {	2578	cb => sub {
		2579	if ($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
2473	$NOW = Event::time;	2585	$NOW = Event::time;
2474		2586
2475	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
2478		2590
		2591	if ($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
2479	$WAIT_FOR_TICK->broadcast;	2599	$WAIT_FOR_TICK->broadcast;
2480	$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#
2481		2604
2482	# 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
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2607
2485	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2487	},	2610	},
2488	);	2611	);
2489		2612
		2613	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2491		2615	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2616	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2494	poll => 'r',	2618	poll => 'r',
2495	prio => 5,	2619	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2502	after => 0,	2621	cb => \&BDB::poll_cb,
2503	interval => 10,	2622	);
2504	cb => sub {	2623	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2624
2506	write_runtime	2625	BDB::set_sync_prepare {
2507	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 $@;
2508	})->();	2659	};
2509	},	2660	}
2510	);	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	}
2511		2677
2512	END { cf::emergency_save }	2678	END { cf::emergency_save }
2513		2679
2514	1	2680	1
2515		2681

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