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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		394
522	#############################################################################	395	#############################################################################
523		396
524	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
525		398
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	525	our @CB_MAP = ();
653		526
654	my %attachment;	527	my %attachment;
655		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
656	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
658		537
659	use sort 'stable';	538	use sort 'stable';
660		539
…		…
831	# object support	710	# object support
832		711
833	sub reattach {	712	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		717
837	my $registry = $obj->registry;	718	my $registry = $obj->registry;
838		719
839	@$registry = ();	720	@$registry = ();
840		721
…		…
887	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
888		769
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	774	close $fh;
894		775
895	if (@$objs) {	776	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	782	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
903	}	784	}
904	} else {	785	} else {
905	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1030	. "\n};\n1";	911	. "\n};\n1";
1031		912
1032	eval $source	913	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		923
1036	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1037	}	925	}
1038		926
1039	sub load_extensions {	927	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1046	}	934	}
1047	}	935	}
1048		936
1049	#############################################################################	937	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		938
1065	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1066		940
1067	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1068		942
…		…
1091	}	965	}
1092		966
1093	sub path($) {	967	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		969
1096	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1097	}	971	}
1098		972
1099	sub find_active($) {	973	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1104		978
1105	sub exists($) {	979	sub exists($) {
1106	my ($login) = @_;	980	my ($login) = @_;
1107		981
1108	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1110	}	984	}
1111		985
1112	sub find($) {	986	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	988	my $login = $_[0];
1115		989
1116	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1117		991
1118	$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
1119	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1120	or return;	1001	or return;
1121	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1122	}	1003	}
1123	}	1004	}
…		…
1160		1041
1161	=cut	1042	=cut
1162		1043
1163	sub quit_character {	1044	sub quit_character {
1164	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1165		1048
1166	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1167	$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
1168		1051
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1083	}
1181		1084
1182	=item cf::player::list_logins	1085	=item cf::player::list_logins
1183		1086
1184	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
…		…
1204	\@logins	1107	\@logins
1205	}	1108	}
1206		1109
1207	=item $player->maps	1110	=item $player->maps
1208		1111
1209	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
1210	player. May block.	1113	player. May block.
1211		1114
1212	=cut	1115	=cut
1213		1116
1214	sub maps($) {	1117	sub maps($) {
1215	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1121
1217	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1218	or return;	1123	or return;
1219		1124
1220	my @paths;	1125	my @paths;
…		…
1222	for (@$files) {	1127	for (@$files) {
1223	utf8::decode $_;	1128	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1226		1131
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1133	}
1229		1134
1230	\@paths	1135	\@paths
1231	}	1136	}
1232		1137
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1234		1139
1235	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1236		1141
1237	=cut	1142	=cut
1238		1143
1239	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1241		1146
1242	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1243		1148
1244	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1245	}	1162	}
1246		1163
1247	package cf;	1164	package cf;
1248		1165
1249	=back	1166	=back
…		…
1258	package cf::map;	1175	package cf::map;
1259		1176
1260	use Fcntl;	1177	use Fcntl;
1261	use Coro::AIO;	1178	use Coro::AIO;
1262		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1263	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1265		1186
1266	sub generate_random_map {	1187	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1190	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1283	}	1332	}
1284		1333
1285	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1286	# all maps in C++...	1335	# all maps in C++...
1287	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1289		1338
1290	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1292	}	1341	}
1293		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1294	sub load_map_header($) {	1351	sub load_header_from($) {
1295	my ($path) = @_;	1352	my ($self, $path) = @_;
1296		1353
1297	utf8::encode $path;	1354	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1299	or return;	1359	or return;
1300		1360
1301	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1302	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1303		1407
1304	# for better error messages only, will be overwritten later	1408	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1409	}
1314		1410
1315	sub find;	1411	sub find;
1316	sub find {	1412	sub find {
1317	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1318		1414
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1416
1324	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1325		1418
1326	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1328		1421	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1422	or return;
1343		1423
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1356		1425
1357	Coro::cede;	1426	$map->load_header
		1427	or return;
1358		1428
1359	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1432	$map->reset;
1361	undef $guard;	1433	undef $guard;
1362	$map = find $path	1434	return find $path;
1363	or return;
1364	}	1435	}
1365		1436
1366	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1367	}	1438	}
1368	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1369		1443
1370	sub load {	1444	sub load {
1371	my ($self) = @_;	1445	my ($self) = @_;
1372		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1373	my $path = $self->{path};	1449	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1375		1451
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1453
1378	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1379		1455
1380	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1381	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1461	or return;
1383		1462
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1464	if delete $self->{load_original};
1386		1465
1387	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1467	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1469	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1392	}	1471	}
1393	}	1472	}
1394		1473
1395	Coro::cede;	1474	Coro::cede;
1396		1475
1397	# now do the right thing for maps	1476	# now do the right thing for maps
1398	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1399		1478
1400	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1480	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1407	$self->set_darkness_map;	1484	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1410	$self->activate;	1488	$self->activate;
1411	}	1489	}
1412		1490
1413	Coro::cede;	1491	$self->post_load;
1414		1492
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
1416	}	1503	}
1417		1504
1418	# find and load all maps in the 3x3 area around a map	1505	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1506	sub load_diag {
1420	my ($map) = @_;	1507	my ($map) = @_;
…		…
1450		1537
1451	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1452	}	1539	}
1453		1540
1454	our %MAP_PREFETCH;	1541	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1542	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1543
1470	sub find_async {	1544	sub find_async {
1471	my ($path, $origin) = @_;	1545	my ($path, $origin) = @_;
1472		1546
1473	$path = new cf::path $path, $origin && $origin->path;	1547	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1548
1476	if (my $map = $cf::MAP{$key}) {	1549	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1551	}
1479		1552
1480	$MAP_PREFETCH{$key} = $path;	1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
1481	$MAP_PREFETCHER->ready;	1566	$MAP_PREFETCHER->prio (6);
1482		1567
1483	()	1568	()
1484	}	1569	}
1485		1570
1486	sub save {	1571	sub save {
…		…
1490		1575
1491	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1492		1577
1493	return unless $self->dirty;	1578	return unless $self->dirty;
1494		1579
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1582
1498	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1499		1584
1500	return if $self->{deny_save};	1585	return if $self->{deny_save};
1501		1586
…		…
1504	cf::async {	1589	cf::async {
1505	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1506	};	1591	};
1507		1592
1508	if ($uniq) {	1593	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1596	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1598	}
1514	}	1599	}
1515		1600
1516	sub swap_out {	1601	sub swap_out {
1517	my ($self) = @_;	1602	my ($self) = @_;
…		…
1531		1616
1532	sub reset_at {	1617	sub reset_at {
1533	my ($self) = @_;	1618	my ($self) = @_;
1534		1619
1535	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1538		1623
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1626
…		…
1546	my ($self) = @_;	1631	my ($self) = @_;
1547		1632
1548	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1549	}	1634	}
1550		1635
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1636	sub reset {
1573	my ($self) = @_;	1637	my ($self) = @_;
1574		1638
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1640
1577	return if $self->players;	1641	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1579		1643
1580	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1581		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1582	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1583		1659
1584	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1585		1661
1586	$self->unlink_save;	1662	$self->unlink_save;
1587	$self->destroy;	1663	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1591		1667
1592	sub nuke {	1668	sub nuke {
1593	my ($self) = @_;	1669	my ($self) = @_;
1594		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1598	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1599	}	1684	}
1600		1685
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1686	=item cf::map::unique_maps
1612		1687
1613	Returns an arrayref of cf::path's of all shared maps that have	1688	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1689	instantiated unique items. May block.
1615		1690
1616	=cut	1691	=cut
1617		1692
1618	sub unique_maps() {	1693	sub unique_maps() {
…		…
1624	for (@$files) {	1699	for (@$files) {
1625	utf8::decode $_;	1700	utf8::decode $_;
1626	next if /\.pst$/;	1701	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1702	next unless /^$PATH_SEP/o;
1628		1703
1629	push @paths, new cf::path $_;	1704	push @paths, cf::map::normalise $_;
1630	}	1705	}
1631		1706
1632	\@paths	1707	\@paths
1633	}	1708	}
1634		1709
…		…
1709		1784
1710	=item $player_object->enter_link	1785	=item $player_object->enter_link
1711		1786
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1788
1714	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1716		1791
		1792	Will never block.
		1793
1717	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1718		1795
1719	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1799	fails, to the emergency map position.
1723		1800
1724	Might block.	1801	Might block.
1725		1802
1726	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1727		1814
1728	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1816	my ($self) = @_;
1730		1817
1731	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1732		1819
1733	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1821
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1823	if $self->map;
1737		1824
1738	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1826	}
1740		1827
1741	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1743		1830
…		…
1765	$map->load;	1852	$map->load;
1766	$map->load_diag;	1853	$map->load_diag;
1767		1854
1768	return unless $self->contr->active;	1855	return unless $self->contr->active;
1769	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1771	}	1860	}
1772		1861
1773	cf::player->attach (	1862	cf::player->attach (
1774	on_logout => sub {	1863	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1877	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1791	(async {	1880	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1881	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",	1883	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);	1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
1798	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1800	})->prio (2);	1889	})->prio (2);
1801	}	1890	}
1802	},	1891	},
…		…
1807	=cut	1896	=cut
1808		1897
1809	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1811		1900
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1901	$self->enter_link;
1815		1902
1816	(async {	1903	(async {
		1904	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1819		1907	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824		1910
1825	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1912	})->prio (1);
1827	}	1913	}
1828		1914
…		…
1832		1918
1833	sub parse_random_map_params {	1919	sub parse_random_map_params {
1834	my ($spec) = @_;	1920	my ($spec) = @_;
1835		1921
1836	my $rmp = { # defaults	1922	my $rmp = { # defaults
1837	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1839	};	1927	};
1840		1928
1841	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1843		1931
…		…
1847	$rmp	1935	$rmp
1848	}	1936	}
1849		1937
1850	sub prepare_random_map {	1938	sub prepare_random_map {
1851	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1942
1853	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1945	# that depends on the exit object
1856		1946
1857	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1858		1948
1859	if ($exit->map) {	1949	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1864	}	1954	}
1865		1955
1866	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1867		1957
1868	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1961
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1873		1966
1874	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1968	$exit->msg (undef);
1876	}	1969	}
1877	}	1970	}
1878		1971
1879	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1881		1974
1882	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
1883		1987
1884	$self->enter_link;	1988	$self->enter_link;
1885		1989
1886	(async {	1990	(async {
1887	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1992	unless (eval {
1889	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		1994
1895	1;	1995	1;
1896	}) {	1996	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	1999	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2001
1902	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2003	$self->leave_link;
1904	}	2004	}
1905	})->prio (1);	2005	})->prio (1);
…		…
1918		2018
1919	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1921		2021
1922	utf8::encode $text;	2022	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2024	}
1925		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1926		2038
1927	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1928		2040
1929	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1959	# get handled first	2071	# get handled first
1960	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2074
1963	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2077
1965	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1966		2079
1967	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2081	if (@$queue) {
…		…
2026		2139
2027	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
2028		2141
2029	=pod	2142	=pod
2030		2143
2031	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
2032		2145
2033	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2147	cf::object::player player
2035	cf::player peaceful	2148	cf::player peaceful
2036	cf::map trigger	2149	cf::map trigger
…		…
2129	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2243	using it, it should be unique.
2131		2244
2132	=over 4	2245	=over 4
2133		2246
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
2141		2248
2142	Returns a single value from the database	2249	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2250
2149	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2150		2252
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2254
2162	=cut	2255	=cut
2163		2256
2164	our $DB;	2257	our $DB;
2165		2258
2166	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
2167	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
2168		2278
2169	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2283
2173	my $pid;	2284	unlink $path;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2285	};
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2286	}
2221	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2222	}	2304	}
2223		2305
2224	#############################################################################	2306	#############################################################################
2225	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2226		2371
2227	sub cfg_load {	2372	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2374	or return;
2230		2375
…		…
2247		2392
2248	sub main {	2393	sub main {
2249	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2252	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2253	};	2400	};
2254		2401
2255	cfg_load;	2402	cfg_load;
2256	db_load;	2403	db_init;
2257	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2258	Event::loop;	2407	Event::loop;
2259	}	2408	}
2260		2409
2261	#############################################################################	2410	#############################################################################
2262	# initialisation and cleanup	2411	# initialisation and cleanup
2263		2412
2264	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2265	BEGIN {	2414	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2269	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2270	cb => sub {	2421	cb => sub {
2271	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2272	},	2423	},
2273	);	2424	);
2274	}	2425	}
2275	}	2426	}
…		…
2280	warn "enter emergency perl save\n";	2431	warn "enter emergency perl save\n";
2281		2432
2282	cf::sync_job {	2433	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2434	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2435	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2436	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2437	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2438	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2439	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2440	$pl->valid or next;
2290	$pl->save;	2441	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2448	$map->valid or next;
2298	$map->save;	2449	$map->save;
2299	}	2450	}
2300	warn "end emergency map save\n";	2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2301	};	2456	};
2302		2457
2303	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2304	}	2466	}
2305		2467
2306	sub reload() {	2468	sub reload() {
2307	# can/must only be called in main	2469	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2310	return;	2472	return;
2311	}	2473	}
2312		2474
2313	warn "reloading...";	2475	warn "reloading...";
2314		2476
2315	warn "freezing server";	2477	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2318		2483
2319	warn "sync database to disk";	2484	warn "syncing database to disk";
2320	cf::db_sync;	2485	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2486
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2325		2488
2326	warn "cancel all watchers";	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2492	}
2330		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2331	warn "cancel all extension coros";	2505	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2507	%EXT_CORO = ();
2334		2508
2335	warn "remove commands";	2509	warn "removing commands";
2336	%COMMAND = ();	2510	%COMMAND = ();
2337		2511
2338	warn "remove ext commands";	2512	warn "removing ext commands";
2339	%EXTCMD = ();	2513	%EXTCMD = ();
2340		2514
2341	warn "unload/nuke all extensions";	2515	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2516	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2517	warn "... unloading $pkg";
2344		2518
2345	if (my $cb = $pkg->can ("unload")) {	2519	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2520	eval {
…		…
2351		2525
2352	warn "... nuking $pkg";	2526	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2527	Symbol::delete_package $pkg;
2354	}	2528	}
2355		2529
2356	warn "unload all perl modules loaded from $LIBDIR";	2530	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2533
2360	warn "removing <$k>";	2534	warn "... unloading $k";
2361	delete $INC{$k};	2535	delete $INC{$k};
2362		2536
2363	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2365		2539
…		…
2368	}	2542	}
2369		2543
2370	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2371	}	2545	}
2372		2546
2373	warn "get rid of safe::, as good as possible";	2547	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2550
2377	warn "unload cf.pm \"a bit\"";	2551	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2379		2553
2380	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2555	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2383		2557
		2558	warn "unload completed, starting to reload now";
		2559
2384	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2385	require cf;	2561	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2563
2388	warn "load config and database again";	2564	warn "loading config and database again";
2389	cf::cfg_load;	2565	cf::cfg_load;
2390	cf::db_load;
2391		2566
2392	warn "load extensions";	2567	warn "loading extensions";
2393	cf::load_extensions;	2568	cf::load_extensions;
2394		2569
2395	warn "reattach attachments to objects/players";	2570	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2571	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2572	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2399	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2400		2576
2401	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2402	warn $@;	2584	warn $@;
2403	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2404	exit 1;	2586	exit 1;
2405	}	2587	};
2406		2588
2407	warn "reloaded";	2589	warn "reloaded";
2408	};	2590	};
2409		2591
2410	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}
2452		2593
2453	register_command "reload" => sub {	2594	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2455		2596
2456	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2458	reload;	2608	reload;
2459	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2460	}	2612	}
2461	};	2613	};
2462		2614
2463	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2464		2618
2465	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2467	prio => 0,	2622	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2470	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2471	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2474		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
2475	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2477		2651
2478	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2654
2481	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2483	},	2657	},
2484	);	2658	);
2485		2659
		2660	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2487		2662	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2663	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2490	poll => 'r',	2665	poll => 'r',
2491	prio => 5,	2666	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2498	after => 0,	2668	cb => \&BDB::poll_cb,
2499	interval => 10,	2669	);
2500	cb => sub {	2670	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2671
2502	write_runtime	2672	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2706	};
2505	},	2707	}
2506	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2507		2724
2508	END { cf::emergency_save }	2725	END { cf::emergency_save }
2509		2726
2510	1	2727	1
2511		2728

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