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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 1.245 by root, Tue Apr 17 10:06:33 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 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	53	our %EXT_MAP = (); # pluggable maps
43		54
		55	our $RELOAD; # number of reloads so far
44	our @EVENT;	56	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
46		58
47	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	63	our $NEXT_TICK;
50	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
51		69
52	our %CFG;	70	our %CFG;
53		71
54	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	73	our $RUNTIME;
56		74
57	our %PLAYER; # all users	75	our %PLAYER; # all users
58	our %MAP; # all maps	76	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
61		80
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		83
65	binmode STDOUT;	84	binmode STDOUT;
66	binmode STDERR;	85	binmode STDERR;
67		86
68	# read virtual server time, if available	87	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	94	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
80		100
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
84		104
85	#############################################################################	105	#############################################################################
86		106
87	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
88		108
…		…
113	=item %cf::CFG	133	=item %cf::CFG
114		134
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	136	from wherever your confdir points to.
117		137
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	138	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		139
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	141	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		143
125	=back	144	=back
126		145
127	=cut	146	=cut
128		147
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	207	$d
189	} || "[unable to dump $_[0]: '$@']";	208	} || "[unable to dump $_[0]: '$@']";
190	}	209	}
191		210
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		212
194	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
195		214
196	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
197		216
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
206		218
207	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		220
216	=item cf::lock_wait $string	221	=item cf::lock_wait $string
217		222
218	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
219		224
…		…
256	}	261	}
257		262
258	sub freeze_mainloop {	263	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
260		265
261	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
262	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
263	$guard	270	$guard
264	}	271	}
265		272
266	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
337		344
338	$coro	345	$coro
339	}	346	}
340		347
341	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
342	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
343		352
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	354	or return;
346		355
		356	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	361	and return;
350		362
		363	# always fsync - this file is important
351	aio_fsync $fh	364	aio_fsync $fh
352	and return;	365	and return;
353		366
354	close $fh	367	close $fh
355	or return;	368	or return;
…		…
358	and return;	371	and return;
359		372
360	1	373	1
361	}	374	}
362		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
363	=back	387	=back
364		388
365	=cut	389	=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		390
523	#############################################################################	391	#############################################################################
524		392
525	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
526		394
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	521	our @CB_MAP = ();
654		522
655	my %attachment;	523	my %attachment;
656		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
657	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
659		533
660	use sort 'stable';	534	use sort 'stable';
661		535
…		…
832	# object support	706	# object support
833		707
834	sub reattach {	708	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		713
838	my $registry = $obj->registry;	714	my $registry = $obj->registry;
839		715
840	@$registry = ();	716	@$registry = ();
841		717
…		…
888	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
889		765
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	770	close $fh;
895		771
896	if (@$objs) {	772	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	778	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
904	}	780	}
905	} else {	781	} else {
906	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
1028	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1031	. "\n};\n1";	907	. "\n};\n1";
1032		908
1033	eval $source	909	unless (eval $source) {
1034	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1035	: "extension disabled.\n";	911	: "extension disabled.\n";
		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		913	warn $@;
		914	warn "mandatory extension failed to load, exiting.\n";
		915	exit 1;
		916	}
		917	die $@;
		918	}
1036		919
1037	push @EXTS, $pkg;	920	push @EXTS, $pkg;
1038	}	921	}
1039		922
1040	sub load_extensions {	923	sub load_extensions {
…		…
1046	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1047	}	930	}
1048	}	931	}
1049		932
1050	#############################################################################	933	#############################################################################
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		934
1066	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1067		936
1068	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1069		938
…		…
1092	}	961	}
1093		962
1094	sub path($) {	963	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		965
1097	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1098	}	967	}
1099		968
1100	sub find_active($) {	969	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1105		974
1106	sub exists($) {	975	sub exists($) {
1107	my ($login) = @_;	976	my ($login) = @_;
1108		977
1109	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1111	}	980	}
1112		981
1113	sub find($) {	982	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	984	my $login = $_[0];
1116		985
1117	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1118		987
1119	$cf::PLAYER{$_[0]} || do {	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
1120	my $pl = load_pl path $login	996	my $pl = load_pl path $login
1121	or return;	997	or return;
1122	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
1123	}	999	}
1124	}	1000	}
…		…
1161		1037
1162	=cut	1038	=cut
1163		1039
1164	sub quit_character {	1040	sub quit_character {
1165	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1166		1044
1167	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1047
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1180	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1181	}	1079	}
1182		1080
1183	=item cf::player::list_logins	1081	=item cf::player::list_logins
1184		1082
1185	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1205	\@logins	1103	\@logins
1206	}	1104	}
1207		1105
1208	=item $player->maps	1106	=item $player->maps
1209		1107
1210	Returns an arrayref of cf::path's of all maps that are private for this	1108	Returns an arrayref of map paths that are private for this
1211	player. May block.	1109	player. May block.
1212		1110
1213	=cut	1111	=cut
1214		1112
1215	sub maps($) {	1113	sub maps($) {
1216	my ($pl) = @_;	1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1117
1218	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1219	or return;	1119	or return;
1220		1120
1221	my @paths;	1121	my @paths;
…		…
1223	for (@$files) {	1123	for (@$files) {
1224	utf8::decode $_;	1124	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1125	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1126	next unless /^$PATH_SEP/o;
1227		1127
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1128	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1129	}
1230		1130
1231	\@paths	1131	\@paths
1232	}	1132	}
1233		1133
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1235		1135
1236	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1237		1137
1238	=cut	1138	=cut
1239		1139
1240	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1242		1142
1243	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1244		1144
1245	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1246	}	1146	}
1247		1147
1248	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1249		1188
1250	=back	1189	=back
1251
1252		1190
1253	=head3 cf::map	1191	=head3 cf::map
1254		1192
1255	=over 4	1193	=over 4
1256		1194
…		…
1259	package cf::map;	1197	package cf::map;
1260		1198
1261	use Fcntl;	1199	use Fcntl;
1262	use Coro::AIO;	1200	use Coro::AIO;
1263		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1264	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1266		1208
1267	sub generate_random_map {	1209	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1212	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1224	)
1285	}	1225	}
1286		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1354	}
		1355
1287	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1288	# all maps in C++...	1357	# all maps in C++...
1289	sub change_all_map_light {	1358	sub change_all_map_light {
1290	my ($change) = @_;	1359	my ($change) = @_;
1291		1360
1292	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1294	}	1363	}
1295		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1296	sub load_map_header($) {	1373	sub load_header_from($) {
1297	my ($path) = @_;	1374	my ($self, $path) = @_;
1298		1375
1299	utf8::encode $path;	1376	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1301	or return;	1381	or return;
1302		1382
1303	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1304	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1305		1429
1306	# for better error messages only, will be overwritten later	1430	$self->default_region (cf::region::find_by_path $self->{path})
1307	$map->path ($path);	1431	unless $self->default_region;
1308		1432
1309	$map->load_header ($path)	1433	1
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1434	}
1316		1435
1317	sub find;	1436	sub find;
1318	sub find {	1437	sub find {
1319	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1320		1439
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1441
1326	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1327		1443
1328	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1330		1446	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;	1447	or return;
1345		1448
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;	1449	$map->{last_save} = $cf::RUNTIME;
1358		1450
1359	Coro::cede;	1451	$map->load_header
		1452	or return;
1360		1453
1361	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1457	$map->reset;
1363	undef $guard;	1458	undef $guard;
1364	$map = find $path	1459	return find $path;
1365	or return;
1366	}	1460	}
1367		1461
1368	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1369	}	1463	}
1370	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1371		1468
1372	sub load {	1469	sub load {
1373	my ($self) = @_;	1470	my ($self) = @_;
1374		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1375	my $path = $self->{path};	1474	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1377		1476
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1478
1380	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1381		1480
1382	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1383	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1487	or return;
1385		1488
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1490	if delete $self->{load_original};
1388		1491
1389	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1493	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1495	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1394	}	1497	}
1395	}	1498	}
1396		1499
1397	Coro::cede;	1500	Coro::cede;
1398
1399	# now do the right thing for maps	1501	# now do the right thing for maps
1400	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1401		1504
1402	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1506	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1409	$self->set_darkness_map;	1510	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1412	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1413	}	1516	}
1414		1517
		1518	$self->post_load;
1415	Coro::cede;	1519	Coro::cede;
1416		1520
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
1418	}	1531	}
1419		1532
1420	# find and load all maps in the 3x3 area around a map	1533	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1534	sub load_diag {
1422	my ($map) = @_;	1535	my ($map) = @_;
…		…
1452		1565
1453	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1454	}	1567	}
1455		1568
1456	our %MAP_PREFETCH;	1569	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1570	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	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1571
1472	sub find_async {	1572	sub find_async {
1473	my ($path, $origin) = @_;	1573	my ($path, $origin) = @_;
1474		1574
1475	$path = new cf::path $path, $origin && $origin->path;	1575	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1576
1478	if (my $map = $cf::MAP{$key}) {	1577	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1579	}
1481		1580
1482	$MAP_PREFETCH{$key} = $path;	1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
1483	$MAP_PREFETCHER->ready;	1594	$MAP_PREFETCHER->prio (6);
1484		1595
1485	()	1596	()
1486	}	1597	}
1487		1598
1488	sub save {	1599	sub save {
…		…
1492		1603
1493	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1494		1605
1495	return unless $self->dirty;	1606	return unless $self->dirty;
1496		1607
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1610
1500	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1501		1612
1502	return if $self->{deny_save};	1613	return if $self->{deny_save};
1503		1614
…		…
1506	cf::async {	1617	cf::async {
1507	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1508	};	1619	};
1509		1620
1510	if ($uniq) {	1621	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1624	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1626	}
1516	}	1627	}
1517		1628
1518	sub swap_out {	1629	sub swap_out {
1519	my ($self) = @_;	1630	my ($self) = @_;
…		…
1533		1644
1534	sub reset_at {	1645	sub reset_at {
1535	my ($self) = @_;	1646	my ($self) = @_;
1536		1647
1537	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1540		1651
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1654
…		…
1548	my ($self) = @_;	1659	my ($self) = @_;
1549		1660
1550	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1551	}	1662	}
1552		1663
1553	sub unlink_save {
1554	my ($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	$self->save;
1572	}
1573
1574	sub reset {	1664	sub reset {
1575	my ($self) = @_;	1665	my ($self) = @_;
1576		1666
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1668
1579	return if $self->players;	1669	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1581		1671
1582	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1583		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1584	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1585		1687
1586	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1587		1689
1588	$self->unlink_save;	1690	$self->unlink_save;
1589	$self->destroy;	1691	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1593		1695
1594	sub nuke {	1696	sub nuke {
1595	my ($self) = @_;	1697	my ($self) = @_;
1596		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1600	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1601	}	1712	}
1602		1713
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1714	=item cf::map::unique_maps
1614		1715
1615	Returns an arrayref of cf::path's of all shared maps that have	1716	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1717	instantiated unique items. May block.
1617		1718
1618	=cut	1719	=cut
1619		1720
1620	sub unique_maps() {	1721	sub unique_maps() {
…		…
1626	for (@$files) {	1727	for (@$files) {
1627	utf8::decode $_;	1728	utf8::decode $_;
1628	next if /\.pst$/;	1729	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1730	next unless /^$PATH_SEP/o;
1630		1731
1631	push @paths, new cf::path $_;	1732	push @paths, cf::map::normalise $_;
1632	}	1733	}
1633		1734
1634	\@paths	1735	\@paths
1635	}	1736	}
1636		1737
…		…
1711		1812
1712	=item $player_object->enter_link	1813	=item $player_object->enter_link
1713		1814
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1816
1716	The player should be reaosnably safe there for short amounts of time. You	1817	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.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1718		1819
		1820	Will never block.
		1821
1719	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1720		1823
1721	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1827	fails, to the emergency map position.
1725		1828
1726	Might block.	1829	Might block.
1727		1830
1728	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1729		1842
1730	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1844	my ($self) = @_;
1732		1845
1733	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1734		1847
1735	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1849
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1851	if $self->map;
1739		1852
1740	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1854	}
1742		1855
1743	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1745		1858
…		…
1767	$map->load;	1880	$map->load;
1768	$map->load_diag;	1881	$map->load_diag;
1769		1882
1770	return unless $self->contr->active;	1883	return unless $self->contr->active;
1771	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1773	}	1888	}
1774		1889
1775	cf::player->attach (	1890	cf::player->attach (
1776	on_logout => sub {	1891	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1905	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1793	(async {	1908	(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,	1909	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1802	})->prio (2);	1917	})->prio (2);
1803	}	1918	}
1804	},	1919	},
…		…
1809	=cut	1924	=cut
1810		1925
1811	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1813		1928
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1929	$self->enter_link;
1817		1930
1818	(async {	1931	(async {
		1932	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1821		1935	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1938
1827	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1940	})->prio (1);
1829	}	1941	}
1830		1942
…		…
1834		1946
1835	sub parse_random_map_params {	1947	sub parse_random_map_params {
1836	my ($spec) = @_;	1948	my ($spec) = @_;
1837		1949
1838	my $rmp = { # defaults	1950	my $rmp = { # defaults
1839	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1841	};	1955	};
1842		1956
1843	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1845		1959
…		…
1849	$rmp	1963	$rmp
1850	}	1964	}
1851		1965
1852	sub prepare_random_map {	1966	sub prepare_random_map {
1853	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1970
1855	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1973	# that depends on the exit object
1858		1974
1859	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1860		1976
1861	if ($exit->map) {	1977	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1866	}	1982	}
1867		1983
1868	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1869		1985
1870	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1989
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1875		1994
1876	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1996	$exit->msg (undef);
1878	}	1997	}
1879	}	1998	}
1880		1999
1881	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1883		2002
1884	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1885		2015
1886	$self->enter_link;	2016	$self->enter_link;
1887		2017
1888	(async {	2018	(async {
1889	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2020	unless (eval {
1891	prepare_random_map $exit	2021	$self->goto ($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		2022
1897	1;	2023	1;
1898	}) {	2024	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2027	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2029
1904	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2031	$self->leave_link;
1906	}	2032	}
1907	})->prio (1);	2033	})->prio (1);
…		…
1920		2046
1921	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1923		2049
1924	utf8::encode $text;	2050	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2052	}
1927		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1928		2066
1929	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1930		2068
1931	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2099	# get handled first
1962	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2102
1965	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2105
1967	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1968		2107
1969	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2109	if (@$queue) {
…		…
2028		2167
2029	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
2030		2169
2031	=pod	2170	=pod
2032		2171
2033	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
2034		2173
2035	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2175	cf::object::player player
2037	cf::player peaceful	2176	cf::player peaceful
2038	cf::map trigger	2177	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2271	using it, it should be unique.
2133		2272
2134	=over 4	2273	=over 4
2135		2274
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	2275	=item $value = cf::db_get $family => $key
2143		2276
2144	Returns a single value from the database	2277	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		2278
2151	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2152		2280
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	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		2282
2164	=cut	2283	=cut
2165		2284
2166	our $DB;	2285	our $DB;
2167		2286
2168	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2169	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2170		2306
2171	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2311
2175	my $pid;	2312	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	}	2313	};
2185	}
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	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2314	}
2223	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2224	}	2332	}
2225		2333
2226	#############################################################################	2334	#############################################################################
2227	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
2228		2416
2229	sub cfg_load {	2417	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2419	or return;
2232		2420
…		…
2249		2437
2250	sub main {	2438	sub main {
2251	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2442	(async {
2254	async { Event::one_event };	2443	Event::one_event;
		2444	})->prio (Coro::PRIO_MAX);
2255	};	2445	};
2256		2446
2257	cfg_load;	2447	cfg_load;
2258	db_load;	2448	db_init;
2259	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
2260	Event::loop;	2452	Event::loop;
2261	}	2453	}
2262		2454
2263	#############################################################################	2455	#############################################################################
2264	# initialisation and cleanup	2456	# initialisation and cleanup
2265		2457
2266	# install some emergency cleanup handlers	2458	# install some emergency cleanup handlers
2267	BEGIN {	2459	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2460	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2461	Event->signal (
		2462	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2463	data => WF_AUTOCANCEL,
2271	signal => $signal,	2464	signal => $signal,
		2465	prio => 0,
2272	cb => sub {	2466	cb => sub {
2273	cf::cleanup "SIG$signal";	2467	cf::cleanup "SIG$signal";
2274	},	2468	},
2275	);	2469	);
2276	}	2470	}
2277	}	2471	}
…		…
2282	warn "enter emergency perl save\n";	2476	warn "enter emergency perl save\n";
2283		2477
2284	cf::sync_job {	2478	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2479	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2480	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2481	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2482	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2483	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2484	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2485	$pl->valid or next;
2292	$pl->save;	2486	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2492	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2493	$map->valid or next;
2300	$map->save;	2494	$map->save;
2301	}	2495	}
2302	warn "end emergency map save\n";	2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
2303	};	2501	};
2304		2502
2305	warn "leave emergency perl save\n";	2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
2306	}	2511	}
2307		2512
2308	sub reload() {	2513	sub reload() {
2309	# can/must only be called in main	2514	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2312	return;	2517	return;
2313	}	2518	}
2314		2519
2315	warn "reloading...";	2520	warn "reloading...";
2316		2521
2317	warn "freezing server";	2522	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2320		2528
2321	warn "sync database to disk";	2529	warn "syncing database to disk";
2322	cf::db_sync;	2530	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2531
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2327		2533
2328	warn "cancel all watchers";	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2537	}
2332		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2333	warn "cancel all extension coros";	2550	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2552	%EXT_CORO = ();
2336		2553
2337	warn "remove commands";	2554	warn "removing commands";
2338	%COMMAND = ();	2555	%COMMAND = ();
2339		2556
2340	warn "remove ext commands";	2557	warn "removing ext commands";
2341	%EXTCMD = ();	2558	%EXTCMD = ();
2342		2559
2343	warn "unload/nuke all extensions";	2560	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2561	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2562	warn "... unloading $pkg";
2346		2563
2347	if (my $cb = $pkg->can ("unload")) {	2564	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2565	eval {
…		…
2353		2570
2354	warn "... nuking $pkg";	2571	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2572	Symbol::delete_package $pkg;
2356	}	2573	}
2357		2574
2358	warn "unload all perl modules loaded from $LIBDIR";	2575	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2578
2362	warn "removing <$k>";	2579	warn "... unloading $k";
2363	delete $INC{$k};	2580	delete $INC{$k};
2364		2581
2365	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2367		2584
…		…
2370	}	2587	}
2371		2588
2372	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2373	}	2590	}
2374		2591
2375	warn "get rid of safe::, as good as possible";	2592	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2595
2379	warn "unload cf.pm \"a bit\"";	2596	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2381		2598
2382	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2600	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2385		2602
		2603	warn "unload completed, starting to reload now";
		2604
2386	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2387	require cf;	2606	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2608
2390	warn "load config and database again";	2609	warn "loading config and database again";
2391	cf::cfg_load;	2610	cf::cfg_load;
2392	cf::db_load;
2393		2611
2394	warn "load extensions";	2612	warn "loading extensions";
2395	cf::load_extensions;	2613	cf::load_extensions;
2396		2614
2397	warn "reattach attachments to objects/players";	2615	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2616	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2617	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2618	reattach $_ for values %MAP;
2401	};	2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2402		2621
2403	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2404	warn $@;	2629	warn $@;
2405	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2406	exit 1;	2631	exit 1;
2407	}	2632	};
2408		2633
2409	warn "reloaded";	2634	warn "reloaded";
2410	};	2635	};
2411		2636
2412	#############################################################################	2637	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} = $LINK_MAP;
2453	}
2454		2638
2455	register_command "reload" => sub {	2639	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2457		2641
2458	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2460	reload;	2653	reload;
2461	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2462	}	2657	}
2463	};	2658	};
2464		2659
2465	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2466		2684
2467	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2469	prio => 0,	2688	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2472	cb => sub {	2691	cb => sub {
		2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
2473	$NOW = Event::time;	2698	$NOW = Event::time;
2474		2699
2475	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2476	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
2478		2704
2479	$WAIT_FOR_TICK->broadcast;	2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
2481		2715
2482	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2718
2485	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2487	},	2730	},
2488	);	2731	);
2489		2732
		2733	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2491		2735	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2736	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2494	poll => 'r',	2738	poll => 'r',
2495	prio => 5,	2739	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2502	after => 0,	2741	cb => \&BDB::poll_cb,
2503	interval => 10,	2742	);
2504	cb => sub {	2743	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2744
2506	write_runtime	2745	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2779	};
2509	},	2780	}
2510	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
2511		2797
2512	END { cf::emergency_save }	2798	END { cf::emergency_save }
2513		2799
2514	1	2800	1
2515		2801

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