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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
		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;
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	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		86
65	binmode STDOUT;	87	binmode STDOUT;
66	binmode STDERR;	88	binmode STDERR;
67		89
68	# read virtual server time, if available	90	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	97	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
80		103
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
84		107
85	#############################################################################	108	#############################################################################
86		109
87	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
88		111
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	211	$d
189	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
190	}	213	}
191		214
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		216
194	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
195		218
196	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
197		220
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
206		222
207	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		224
216	=item cf::lock_wait $string	225	=item cf::lock_wait $string
217		226
218	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
219		228
…		…
256	}	265	}
257		266
258	sub freeze_mainloop {	267	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
260		269
261	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
262	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
263	$guard	274	$guard
264	}	275	}
265		276
266	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
337		348
338	$coro	349	$coro
339	}	350	}
340		351
341	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
342	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
343		356
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	358	or return;
346		359
		360	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	365	and return;
350		366
		367	# always fsync - this file is important
351	aio_fsync $fh	368	aio_fsync $fh
352	and return;	369	and return;
353		370
354	close $fh	371	close $fh
355	or return;	372	or return;
…		…
358	and return;	375	and return;
359		376
360	1	377	1
361	}	378	}
362		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
363	=back	391	=back
364		392
365	=cut	393	=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 ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		394
531	#############################################################################	395	#############################################################################
532		396
533	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
534		398
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	525	our @CB_MAP = ();
662		526
663	my %attachment;	527	my %attachment;
664		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
665	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
667		537
668	use sort 'stable';	538	use sort 'stable';
669		539
…		…
840	# object support	710	# object support
841		711
842	sub reattach {	712	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		717
846	my $registry = $obj->registry;	718	my $registry = $obj->registry;
847		719
848	@$registry = ();	720	@$registry = ();
849		721
…		…
896	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
897		769
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	774	close $fh;
903		775
904	if (@$objs) {	776	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	782	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
912	}	784	}
913	} else {	785	} else {
914	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
1036	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1039	. "\n};\n1";	911	. "\n};\n1";
1040		912
1041	eval $source	913	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	915	: "extension disabled.\n";
		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		917	warn $@;
		918	warn "mandatory extension failed to load, exiting.\n";
		919	exit 1;
		920	}
		921	die $@;
		922	}
1044		923
1045	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1046	}	925	}
1047		926
1048	sub load_extensions {	927	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1055	}	934	}
1056	}	935	}
1057		936
1058	#############################################################################	937	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		938
1074	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1075		940
1076	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1077		942
…		…
1100	}	965	}
1101		966
1102	sub path($) {	967	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		969
1105	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1106	}	971	}
1107		972
1108	sub find_active($) {	973	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1113		978
1114	sub exists($) {	979	sub exists($) {
1115	my ($login) = @_;	980	my ($login) = @_;
1116		981
1117	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1119	}	984	}
1120		985
1121	sub find($) {	986	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	988	my $login = $_[0];
1124		989
1125	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1126		991
1127	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1128	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1129	or return;	1001	or return;
1130	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1131	}	1003	}
1132	}	1004	}
…		…
1169		1041
1170	=cut	1042	=cut
1171		1043
1172	sub quit_character {	1044	sub quit_character {
1173	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1174		1048
1175	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1051
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1188	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1189	}	1083	}
1190		1084
1191	=item cf::player::list_logins	1085	=item cf::player::list_logins
1192		1086
1193	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1213	\@logins	1107	\@logins
1214	}	1108	}
1215		1109
1216	=item $player->maps	1110	=item $player->maps
1217		1111
1218	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1219	player. May block.	1113	player. May block.
1220		1114
1221	=cut	1115	=cut
1222		1116
1223	sub maps($) {	1117	sub maps($) {
1224	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1121
1226	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1227	or return;	1123	or return;
1228		1124
1229	my @paths;	1125	my @paths;
…		…
1231	for (@$files) {	1127	for (@$files) {
1232	utf8::decode $_;	1128	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1235		1131
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1133	}
1238		1134
1239	\@paths	1135	\@paths
1240	}	1136	}
1241		1137
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1243		1139
1244	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1245		1141
1246	=cut	1142	=cut
1247		1143
1248	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1250		1146
1251	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1252		1148
1253	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1254	}	1150	}
1255		1151
1256	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1257		1192
1258	=back	1193	=back
1259
1260		1194
1261	=head3 cf::map	1195	=head3 cf::map
1262		1196
1263	=over 4	1197	=over 4
1264		1198
…		…
1267	package cf::map;	1201	package cf::map;
1268		1202
1269	use Fcntl;	1203	use Fcntl;
1270	use Coro::AIO;	1204	use Coro::AIO;
1271		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1272	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1274		1212
1275	sub generate_random_map {	1213	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1216	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1228	)
1293	}	1229	}
1294		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1358	}
		1359
1295	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1296	# all maps in C++...	1361	# all maps in C++...
1297	sub change_all_map_light {	1362	sub change_all_map_light {
1298	my ($change) = @_;	1363	my ($change) = @_;
1299		1364
1300	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1302	}	1367	}
1303		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1304	sub load_map_header($) {	1377	sub load_header_from($) {
1305	my ($path) = @_;	1378	my ($self, $path) = @_;
1306		1379
1307	utf8::encode $path;	1380	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1309	or return;	1385	or return;
1310		1386
1311	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1312	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1313		1433
1314	# for better error messages only, will be overwritten later	1434	$self->default_region (cf::region::find_by_path $self->{path})
1315	$map->path ($path);	1435	unless $self->default_region;
1316		1436
1317	$map->load_header ($path)	1437	1
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1438	}
1324		1439
1325	sub find;	1440	sub find;
1326	sub find {	1441	sub find {
1327	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1328		1443
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1445
1334	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1335		1447
1336	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1338		1450	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1451	or return;
1353		1452
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1366		1454
1367	Coro::cede;	1455	$map->load_header
		1456	or return;
1368		1457
1369	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1461	$map->reset;
1371	undef $guard;	1462	undef $guard;
1372	$map = find $path	1463	return find $path;
1373	or return;
1374	}	1464	}
1375		1465
1376	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1377	}	1467	}
1378	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1379		1472
1380	sub load {	1473	sub load {
1381	my ($self) = @_;	1474	my ($self) = @_;
1382		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1383	my $path = $self->{path};	1478	my $path = $self->{path};
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1385		1480
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1482
1388	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1389		1484
1390	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1391	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1490	or return;
1393		1491
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1493	if delete $self->{load_original};
1396		1494
1397	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1496	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1498	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1402	}	1500	}
1403	}	1501	}
1404		1502
1405	Coro::cede;	1503	Coro::cede;
1406		1504
1407	# now do the right thing for maps	1505	# now do the right thing for maps
1408	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1409		1507
1410	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;	1509	$self->decay_objects;
1415	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1416	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1417	$self->set_darkness_map;	1513	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1420	$self->activate;	1517	$self->activate;
1421	}	1518	}
1422		1519
1423	Coro::cede;	1520	$self->post_load;
1424		1521
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
1426	}	1532	}
1427		1533
1428	# find and load all maps in the 3x3 area around a map	1534	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1535	sub load_diag {
1430	my ($map) = @_;	1536	my ($map) = @_;
…		…
1460		1566
1461	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1462	}	1568	}
1463		1569
1464	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1571	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1572
1480	sub find_async {	1573	sub find_async {
1481	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1482		1575
1483	$path = new cf::path $path, $origin && $origin->path;	1576	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1577
1486	if (my $map = $cf::MAP{$key}) {	1578	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1580	}
1489		1581
1490	$MAP_PREFETCH{$key} = $path;	1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
1491	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1492		1596
1493	()	1597	()
1494	}	1598	}
1495		1599
1496	sub save {	1600	sub save {
…		…
1500		1604
1501	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1502		1606
1503	return unless $self->dirty;	1607	return unless $self->dirty;
1504		1608
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1611
1508	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1509		1613
1510	return if $self->{deny_save};	1614	return if $self->{deny_save};
1511		1615
…		…
1514	cf::async {	1618	cf::async {
1515	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1516	};	1620	};
1517		1621
1518	if ($uniq) {	1622	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1625	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1627	}
1524	}	1628	}
1525		1629
1526	sub swap_out {	1630	sub swap_out {
1527	my ($self) = @_;	1631	my ($self) = @_;
…		…
1541		1645
1542	sub reset_at {	1646	sub reset_at {
1543	my ($self) = @_;	1647	my ($self) = @_;
1544		1648
1545	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1548		1652
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1655
…		…
1556	my ($self) = @_;	1660	my ($self) = @_;
1557		1661
1558	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1559	}	1663	}
1560		1664
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->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	$self->save;
1572	}
1573
1574	sub reset {	1665	sub reset {
1575	my ($self) = @_;	1666	my ($self) = @_;
1576		1667
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1669
1579	return if $self->players;	1670	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1581		1672
1582	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1583		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1584	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
1585		1686
		1687	$self->clear;
		1688
1586	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1587		1690
1588	$self->{path}->unlink_save;	1691	$self->unlink_save;
1589	$self->destroy;	1692	$self->destroy;
1590	}	1693	}
1591		1694
1592	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1593		1696
1594	sub nuke {	1697	sub nuke {
1595	my ($self) = @_;	1698	my ($self) = @_;
1596		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1600	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1601	}	1713	}
1602		1714
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1715	=item cf::map::unique_maps
1614		1716
1615	Returns an arrayref of cf::path's of all shared maps that have	1717	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1718	instantiated unique items. May block.
1617		1719
1618	=cut	1720	=cut
1619		1721
1620	sub unique_maps() {	1722	sub unique_maps() {
…		…
1626	for (@$files) {	1728	for (@$files) {
1627	utf8::decode $_;	1729	utf8::decode $_;
1628	next if /\.pst$/;	1730	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1630		1732
1631	push @paths, new cf::path $_;	1733	push @paths, cf::map::normalise $_;
1632	}	1734	}
1633		1735
1634	\@paths	1736	\@paths
1635	}	1737	}
1636		1738
…		…
1711		1813
1712	=item $player_object->enter_link	1814	=item $player_object->enter_link
1713		1815
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1817
1716	The player should be reaosnably safe there for short amounts of time. You	1818	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.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1718		1820
		1821	Will never block.
		1822
1719	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1720		1824
1721	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1828	fails, to the emergency map position.
1725		1829
1726	Might block.	1830	Might block.
1727		1831
1728	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1729		1843
1730	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1845	my ($self) = @_;
1732		1846
1733	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1734		1848
1735	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1850
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1852	if $self->map;
1739		1853
1740	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1855	}
1742		1856
1743	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1745		1859
…		…
1767	$map->load;	1881	$map->load;
1768	$map->load_diag;	1882	$map->load_diag;
1769		1883
1770	return unless $self->contr->active;	1884	return unless $self->contr->active;
1771	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1773	}	1889	}
1774		1890
1775	cf::player->attach (	1891	cf::player->attach (
1776	on_logout => sub {	1892	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1906	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1793	(async {	1909	(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,	1910	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1802	})->prio (2);	1918	})->prio (2);
1803	}	1919	}
1804	},	1920	},
…		…
1809	=cut	1925	=cut
1810		1926
1811	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1813		1929
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1930	$self->enter_link;
1817		1931
1818	(async {	1932	(async {
		1933	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1821		1936	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1939
1827	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1941	})->prio (1);
1829	}	1942	}
1830		1943
…		…
1834		1947
1835	sub parse_random_map_params {	1948	sub parse_random_map_params {
1836	my ($spec) = @_;	1949	my ($spec) = @_;
1837		1950
1838	my $rmp = { # defaults	1951	my $rmp = { # defaults
1839	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1841	};	1956	};
1842		1957
1843	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1845		1960
…		…
1849	$rmp	1964	$rmp
1850	}	1965	}
1851		1966
1852	sub prepare_random_map {	1967	sub prepare_random_map {
1853	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1971
1855	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1974	# that depends on the exit object
1858		1975
1859	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1860		1977
1861	if ($exit->map) {	1978	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1866	}	1983	}
1867		1984
1868	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1869		1986
1870	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1990
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1875		1995
1876	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1997	$exit->msg (undef);
1878	}	1998	}
1879	}	1999	}
1880		2000
1881	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1883		2003
1884	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1885		2016
1886	$self->enter_link;	2017	$self->enter_link;
1887		2018
1888	(async {	2019	(async {
1889	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2021	unless (eval {
1891	prepare_random_map $exit	2022	$self->goto ($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		2023
1897	1;	2024	1;
1898	}) {	2025	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2030
1904	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2032	$self->leave_link;
1906	}	2033	}
1907	})->prio (1);	2034	})->prio (1);
…		…
1920		2047
1921	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1923		2050
1924	utf8::encode $text;	2051	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2053	}
1927		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1928		2067
1929	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1930		2069
1931	Queues a query to the client, calling the given callback with	2070	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>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2100	# get handled first
1962	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2103
1965	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2106
1967	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1968		2108
1969	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2110	if (@$queue) {
…		…
2028		2168
2029	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2030		2170
2031	=pod	2171	=pod
2032		2172
2033	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2034		2174
2035	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2176	cf::object::player player
2037	cf::player peaceful	2177	cf::player peaceful
2038	cf::map trigger	2178	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2272	using it, it should be unique.
2133		2273
2134	=over 4	2274	=over 4
2135		2275
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	2276	=item $value = cf::db_get $family => $key
2143		2277
2144	Returns a single value from the database	2278	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		2279
2151	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2152		2281
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	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		2283
2164	=cut	2284	=cut
2165		2285
2166	our $DB;	2286	our $DB;
2167		2287
2168	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2169	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2170		2307
2171	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2312
2175	my $pid;	2313	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	}	2314	};
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	},	2315	}
2223	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2224	}	2333	}
2225		2334
2226	#############################################################################	2335	#############################################################################
2227	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2228		2400
2229	sub cfg_load {	2401	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2403	or return;
2232		2404
…		…
2249		2421
2250	sub main {	2422	sub main {
2251	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2254	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2255	};	2429	};
2256		2430
2257	cfg_load;	2431	cfg_load;
2258	db_load;	2432	db_init;
2259	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2260	Event::loop;	2436	Event::loop;
2261	}	2437	}
2262		2438
2263	#############################################################################	2439	#############################################################################
2264	# initialisation and cleanup	2440	# initialisation and cleanup
2265		2441
2266	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2267	BEGIN {	2443	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2271	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2272	cb => sub {	2450	cb => sub {
2273	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2274	},	2452	},
2275	);	2453	);
2276	}	2454	}
2277	}	2455	}
…		…
2282	warn "enter emergency perl save\n";	2460	warn "enter emergency perl save\n";
2283		2461
2284	cf::sync_job {	2462	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2463	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2464	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2465	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2466	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2467	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2468	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2469	$pl->valid or next;
2292	$pl->save;	2470	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2477	$map->valid or next;
2300	$map->save;	2478	$map->save;
2301	}	2479	}
2302	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2303	};	2485	};
2304		2486
2305	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2306	}	2495	}
2307		2496
2308	sub reload() {	2497	sub reload() {
2309	# can/must only be called in main	2498	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2312	return;	2501	return;
2313	}	2502	}
2314		2503
2315	warn "reloading...";	2504	warn "reloading...";
2316		2505
2317	warn "freezing server";	2506	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2320		2512
2321	warn "sync database to disk";	2513	warn "syncing database to disk";
2322	cf::db_sync;	2514	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2515
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2327		2517
2328	warn "cancel all watchers";	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2521	}
2332		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2333	warn "cancel all extension coros";	2534	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2536	%EXT_CORO = ();
2336		2537
2337	warn "remove commands";	2538	warn "removing commands";
2338	%COMMAND = ();	2539	%COMMAND = ();
2339		2540
2340	warn "remove ext commands";	2541	warn "removing ext commands";
2341	%EXTCMD = ();	2542	%EXTCMD = ();
2342		2543
2343	warn "unload/nuke all extensions";	2544	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2545	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2546	warn "... unloading $pkg";
2346		2547
2347	if (my $cb = $pkg->can ("unload")) {	2548	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2549	eval {
…		…
2353		2554
2354	warn "... nuking $pkg";	2555	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2556	Symbol::delete_package $pkg;
2356	}	2557	}
2357		2558
2358	warn "unload all perl modules loaded from $LIBDIR";	2559	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2562
2362	warn "removing <$k>";	2563	warn "... unloading $k";
2363	delete $INC{$k};	2564	delete $INC{$k};
2364		2565
2365	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2367		2568
…		…
2370	}	2571	}
2371		2572
2372	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2373	}	2574	}
2374		2575
2375	warn "get rid of safe::, as good as possible";	2576	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2579
2379	warn "unload cf.pm \"a bit\"";	2580	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2381		2582
2382	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2584	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2385		2586
		2587	warn "unload completed, starting to reload now";
		2588
2386	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2387	require cf;	2590	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2592
2390	warn "load config and database again";	2593	warn "loading config and database again";
2391	cf::cfg_load;	2594	cf::cfg_load;
2392	cf::db_load;
2393		2595
2394	warn "load extensions";	2596	warn "loading extensions";
2395	cf::load_extensions;	2597	cf::load_extensions;
2396		2598
2397	warn "reattach attachments to objects/players";	2599	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2600	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2601	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2401	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2402		2605
2403	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2404	warn $@;	2613	warn $@;
2405	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2406	exit 1;	2615	exit 1;
2407	}	2616	};
2408		2617
2409	warn "reloaded";	2618	warn "reloaded";
2410	};	2619	};
2411		2620
2412	#############################################################################	2621	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} = $LINK_MAP;
2453	}
2454		2622
2455	register_command "reload" => sub {	2623	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2457		2625
2458	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2460	reload;	2637	reload;
2461	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2462	}	2641	}
2463	};	2642	};
2464		2643
2465	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2466		2647
2467	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2469	prio => 0,	2651	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2472	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
2473	$NOW = Event::time;	2661	$NOW = Event::time;
2474		2662
2475	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2478		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2479	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2481		2680
2482	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2683
2485	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2487	},	2686	},
2488	);	2687	);
2489		2688
		2689	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2491		2691	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2692	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2494	poll => 'r',	2694	poll => 'r',
2495	prio => 5,	2695	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2502	after => 0,	2697	cb => \&BDB::poll_cb,
2503	interval => 10,	2698	);
2504	cb => sub {	2699	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2700
2506	write_runtime	2701	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2735	};
2509	},	2736	}
2510	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2511		2753
2512	END { cf::emergency_save }	2754	END { cf::emergency_save }
2513		2755
2514	1	2756	1
2515		2757

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