ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.238 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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		394
543	#############################################################################	395	#############################################################################
544		396
545	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
546		398
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	525	our @CB_MAP = ();
674		526
675	my %attachment;	527	my %attachment;
676		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
677	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
679		537
680	use sort 'stable';	538	use sort 'stable';
681		539
…		…
852	# object support	710	# object support
853		711
854	sub reattach {	712	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		717
858	my $registry = $obj->registry;	718	my $registry = $obj->registry;
859		719
860	@$registry = ();	720	@$registry = ();
861		721
…		…
908	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
909		769
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	774	close $fh;
915		775
916	if (@$objs) {	776	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	782	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
924	}	784	}
925	} else {	785	} else {
926	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1051	. "\n};\n1";	911	. "\n};\n1";
1052		912
1053	eval $source	913	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1055	: "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	}
1056		923
1057	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1058	}	925	}
1059		926
1060	sub load_extensions {	927	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1067	}	934	}
1068	}	935	}
1069		936
1070	#############################################################################	937	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		938
1086	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1087		940
1088	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1089		942
…		…
1112	}	965	}
1113		966
1114	sub path($) {	967	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		969
1117	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1118	}	971	}
1119		972
1120	sub find_active($) {	973	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1125		978
1126	sub exists($) {	979	sub exists($) {
1127	my ($login) = @_;	980	my ($login) = @_;
1128		981
1129	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1131	}	984	}
1132		985
1133	sub find($) {	986	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	988	my $login = $_[0];
1136		989
1137	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1138		991
1139	$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
1140	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1141	or return;	1001	or return;
1142	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1143	}	1003	}
1144	}	1004	}
…		…
1181		1041
1182	=cut	1042	=cut
1183		1043
1184	sub quit_character {	1044	sub quit_character {
1185	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1186		1048
1187	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1188	$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
1189		1051
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1083	}
1202		1084
1203	=item cf::player::list_logins	1085	=item cf::player::list_logins
1204		1086
1205	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
…		…
1225	\@logins	1107	\@logins
1226	}	1108	}
1227		1109
1228	=item $player->maps	1110	=item $player->maps
1229		1111
1230	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
1231	player. May block.	1113	player. May block.
1232		1114
1233	=cut	1115	=cut
1234		1116
1235	sub maps($) {	1117	sub maps($) {
1236	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1121
1238	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1239	or return;	1123	or return;
1240		1124
1241	my @paths;	1125	my @paths;
…		…
1243	for (@$files) {	1127	for (@$files) {
1244	utf8::decode $_;	1128	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1247		1131
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1133	}
1250		1134
1251	\@paths	1135	\@paths
1252	}	1136	}
1253		1137
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1255		1139
1256	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1257		1141
1258	=cut	1142	=cut
1259		1143
1260	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1262		1146
1263	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1264		1148
1265	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1266	}	1150	}
1267		1151
1268	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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	}
1269		1192
1270	=back	1193	=back
1271
1272		1194
1273	=head3 cf::map	1195	=head3 cf::map
1274		1196
1275	=over 4	1197	=over 4
1276		1198
…		…
1279	package cf::map;	1201	package cf::map;
1280		1202
1281	use Fcntl;	1203	use Fcntl;
1282	use Coro::AIO;	1204	use Coro::AIO;
1283		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1284	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1286		1212
1287	sub generate_random_map {	1213	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1216	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1228	)
1305	}	1229	}
1306		1230
		1231	=item cf::map->register ($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, $path
		1358	}
		1359
1307	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1308	# all maps in C++...	1361	# all maps in C++...
1309	sub change_all_map_light {	1362	sub change_all_map_light {
1310	my ($change) = @_;	1363	my ($change) = @_;
1311		1364
1312	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1314	}	1367	}
1315		1368
		1369	sub unlink_save {
		1370	my ($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
1316	sub load_map_header($) {	1377	sub load_header_from($) {
1317	my ($path) = @_;	1378	my ($self, $path) = @_;
1318		1379
1319	utf8::encode $path;	1380	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1321	or return;	1385	or return;
1322		1386
1323	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
1324	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1325		1433
1326	# for better error messages only, will be overwritten later	1434	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1435	unless $self->default_region;
1328		1436
1329	$map->load_header ($path)	1437	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1438	}
1336		1439
1337	sub find;	1440	sub find;
1338	sub find {	1441	sub find {
1339	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1340		1443
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1445
1346	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1347		1447
1348	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1350		1450	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1451	or return;
1365		1452
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1378		1454
1379	Coro::cede;	1455	$map->load_header
		1456	or return;
1380		1457
1381	if ($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;
1382	$map->reset;	1461	$map->reset;
1383	undef $guard;	1462	undef $guard;
1384	$map = find $path	1463	return find $path;
1385	or return;
1386	}	1464	}
1387		1465
1388	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1389	}	1467	}
1390	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1391		1472
1392	sub load {	1473	sub load {
1393	my ($self) = @_;	1474	my ($self) = @_;
1394		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1395	my $path = $self->{path};	1478	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1397		1480
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1482
1400	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1401		1484
1402	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1403	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1490	or return;
1405		1491
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1493	if delete $self->{load_original};
1408		1494
1409	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1496	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1498	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1414	}	1500	}
1415	}	1501	}
1416		1502
1417	Coro::cede;	1503	Coro::cede;
1418		1504
1419	# now do the right thing for maps	1505	# now do the right thing for maps
1420	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1421		1507
1422	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1509	$self->decay_objects;
1427	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1428	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1429	$self->set_darkness_map;	1513	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1432	$self->activate;	1517	$self->activate;
1433	}	1518	}
1434		1519
1435	Coro::cede;	1520	$self->post_load;
1436		1521
1437	$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	$self
1438	}	1532	}
1439		1533
1440	# find and load all maps in the 3x3 area around a map	1534	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1535	sub load_diag {
1442	my ($map) = @_;	1536	my ($map) = @_;
…		…
1472		1566
1473	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1474	}	1568	}
1475		1569
1476	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1571	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1572
1492	sub find_async {	1573	sub find_async {
1493	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1494		1575
1495	$path = new cf::path $path, $origin && $origin->path;	1576	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1577
1498	if (my $map = $cf::MAP{$key}) {	1578	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1580	}
1501		1581
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1504		1596
1505	()	1597	()
1506	}	1598	}
1507		1599
1508	sub save {	1600	sub save {
…		…
1512		1604
1513	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1514		1606
1515	return unless $self->dirty;	1607	return unless $self->dirty;
1516		1608
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1611
1520	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1521		1613
1522	return if $self->{deny_save};	1614	return if $self->{deny_save};
1523		1615
…		…
1526	cf::async {	1618	cf::async {
1527	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1528	};	1620	};
1529		1621
1530	if ($uniq) {	1622	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1625	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1627	}
1536	}	1628	}
1537		1629
1538	sub swap_out {	1630	sub swap_out {
1539	my ($self) = @_;	1631	my ($self) = @_;
…		…
1553		1645
1554	sub reset_at {	1646	sub reset_at {
1555	my ($self) = @_;	1647	my ($self) = @_;
1556		1648
1557	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1560		1652
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1655
…		…
1568	my ($self) = @_;	1660	my ($self) = @_;
1569		1661
1570	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1571	}	1663	}
1572		1664
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1665	sub reset {
1587	my ($self) = @_;	1666	my ($self) = @_;
1588		1667
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1669
1591	return if $self->players;	1670	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1593		1672
1594	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1595		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
1596	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
1597		1686
		1687	$self->clear;
		1688
1598	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1599		1690
1600	$self->{path}->unlink_save;	1691	$self->unlink_save;
1601	$self->destroy;	1692	$self->destroy;
1602	}	1693	}
1603		1694
1604	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1605		1696
1606	sub nuke {	1697	sub nuke {
1607	my ($self) = @_;	1698	my ($self) = @_;
1608		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1612	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1613	}	1713	}
1614		1714
1615	=item cf::map::unique_maps	1715	=item cf::map::unique_maps
1616		1716
1617	Returns an arrayref of cf::path's of all shared maps that have	1717	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1718	instantiated unique items. May block.
1619		1719
1620	=cut	1720	=cut
1621		1721
1622	sub unique_maps() {	1722	sub unique_maps() {
…		…
1628	for (@$files) {	1728	for (@$files) {
1629	utf8::decode $_;	1729	utf8::decode $_;
1630	next if /\.pst$/;	1730	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1632		1732
1633	push @paths, new cf::path $_;	1733	push @paths, cf::map::normalise $_;
1634	}	1734	}
1635		1735
1636	\@paths	1736	\@paths
1637	}	1737	}
1638		1738
…		…
1713		1813
1714	=item $player_object->enter_link	1814	=item $player_object->enter_link
1715		1815
1716	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}>).
1717		1817
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1720		1820
		1821	Will never block.
		1822
1721	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1722		1824
1723	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1828	fails, to the emergency map position.
1727		1829
1728	Might block.	1830	Might block.
1729		1831
1730	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($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	$LINK_MAP
		1842	}
1731		1843
1732	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1845	my ($self) = @_;
1734		1846
1735	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1736		1848
1737	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1850
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1852	if $self->map;
1741		1853
1742	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1855	}
1744		1856
1745	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1747		1859
…		…
1769	$map->load;	1881	$map->load;
1770	$map->load_diag;	1882	$map->load_diag;
1771		1883
1772	return unless $self->contr->active;	1884	return unless $self->contr->active;
1773	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1775	}	1889	}
1776		1890
1777	cf::player->attach (	1891	cf::player->attach (
1778	on_logout => sub {	1892	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1906	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1795	(async {	1909	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1800	. "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.",
1801	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
1802	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1804	})->prio (2);	1918	})->prio (2);
1805	}	1919	}
1806	},	1920	},
…		…
1811	=cut	1925	=cut
1812		1926
1813	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1815		1929
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1930	$self->enter_link;
1819		1931
1820	(async {	1932	(async {
		1933	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1823		1936	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1825	# if $map;
1826
1827	$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);
1828		1939
1829	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1941	})->prio (1);
1831	}	1942	}
1832		1943
…		…
1836		1947
1837	sub parse_random_map_params {	1948	sub parse_random_map_params {
1838	my ($spec) = @_;	1949	my ($spec) = @_;
1839		1950
1840	my $rmp = { # defaults	1951	my $rmp = { # defaults
1841	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1843	};	1956	};
1844		1957
1845	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1847		1960
…		…
1851	$rmp	1964	$rmp
1852	}	1965	}
1853		1966
1854	sub prepare_random_map {	1967	sub prepare_random_map {
1855	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1971
1857	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1974	# that depends on the exit object
1860		1975
1861	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1862		1977
1863	if ($exit->map) {	1978	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1868	}	1983	}
1869		1984
1870	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1871		1986
1872	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1990
1875	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) {
1876	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;
1877		1995
1878	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1997	$exit->msg (undef);
1880	}	1998	}
1881	}	1999	}
1882		2000
1883	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1885		2003
1886	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;
1887		2016
1888	$self->enter_link;	2017	$self->enter_link;
1889		2018
1890	(async {	2019	(async {
1891	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2021	unless (eval {
1893	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2023
1899	1;	2024	1;
1900	}) {	2025	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2030
1906	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2032	$self->leave_link;
1908	}	2033	}
1909	})->prio (1);	2034	})->prio (1);
…		…
1922		2047
1923	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1925		2050
1926	utf8::encode $text;	2051	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2053	}
1929		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	}
1930		2067
1931	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1932		2069
1933	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1934	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>,
…		…
1963	# get handled first	2100	# get handled first
1964	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1965	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
1966		2103
1967	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2106
1969	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1970		2108
1971	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2110	if (@$queue) {
…		…
2030		2168
2031	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2032		2170
2033	=pod	2171	=pod
2034		2172
2035	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2036		2174
2037	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2176	cf::object::player player
2039	cf::player peaceful	2177	cf::player peaceful
2040	cf::map trigger	2178	cf::map trigger
…		…
2133	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
2134	using it, it should be unique.	2272	using it, it should be unique.
2135		2273
2136	=over 4	2274	=over 4
2137		2275
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2145		2277
2146	Returns a single value from the database	2278	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2279
2153	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2154		2281
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2283
2166	=cut	2284	=cut
2167		2285
2168	our $DB;	2286	our $DB;
2169		2287
2170	{	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
2171	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;
2172		2307
2173	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2312
2177	my $pid;	2313	unlink $path;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2314	};
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2315	}
2225	);	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 { };
2226	}	2333	}
2227		2334
2228	#############################################################################	2335	#############################################################################
2229	# 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	}
2230		2400
2231	sub cfg_load {	2401	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2403	or return;
2234		2404
…		…
2251		2421
2252	sub main {	2422	sub main {
2253	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2255	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 {
2256	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2257	};	2429	};
2258		2430
2259	cfg_load;	2431	cfg_load;
2260	db_load;	2432	db_init;
2261	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2262	Event::loop;	2436	Event::loop;
2263	}	2437	}
2264		2438
2265	#############################################################################	2439	#############################################################################
2266	# initialisation and cleanup	2440	# initialisation and cleanup
2267		2441
2268	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2269	BEGIN {	2443	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2273	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2274	cb => sub {	2450	cb => sub {
2275	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2276	},	2452	},
2277	);	2453	);
2278	}	2454	}
2279	}	2455	}
…		…
2284	warn "enter emergency perl save\n";	2460	warn "enter emergency perl save\n";
2285		2461
2286	cf::sync_job {	2462	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2463	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2464	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2465	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2466	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2467	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2468	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2469	$pl->valid or next;
2294	$pl->save;	2470	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2477	$map->valid or next;
2302	$map->save;	2478	$map->save;
2303	}	2479	}
2304	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 $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2305	};	2485	};
2306		2486
2307	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2308	}	2495	}
2309		2496
2310	sub reload() {	2497	sub reload() {
2311	# can/must only be called in main	2498	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2314	return;	2501	return;
2315	}	2502	}
2316		2503
2317	warn "reloading...";	2504	warn "reloading...";
2318		2505
2319	warn "freezing server";	2506	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2322		2512
2323	warn "sync database to disk";	2513	warn "syncing database to disk";
2324	cf::db_sync;	2514	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2515
2327	eval {
2328	# 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
2329		2517
2330	warn "cancel all watchers";	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2521	}
2334		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2335	warn "cancel all extension coros";	2534	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2536	%EXT_CORO = ();
2338		2537
2339	warn "remove commands";	2538	warn "removing commands";
2340	%COMMAND = ();	2539	%COMMAND = ();
2341		2540
2342	warn "remove ext commands";	2541	warn "removing ext commands";
2343	%EXTCMD = ();	2542	%EXTCMD = ();
2344		2543
2345	warn "unload/nuke all extensions";	2544	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2545	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2546	warn "... unloading $pkg";
2348		2547
2349	if (my $cb = $pkg->can ("unload")) {	2548	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2549	eval {
…		…
2355		2554
2356	warn "... nuking $pkg";	2555	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2556	Symbol::delete_package $pkg;
2358	}	2557	}
2359		2558
2360	warn "unload all perl modules loaded from $LIBDIR";	2559	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2562
2364	warn "removing <$k>";	2563	warn "... unloading $k";
2365	delete $INC{$k};	2564	delete $INC{$k};
2366		2565
2367	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2369		2568
…		…
2372	}	2571	}
2373		2572
2374	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2375	}	2574	}
2376		2575
2377	warn "get rid of safe::, as good as possible";	2576	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2379	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);
2380		2579
2381	warn "unload cf.pm \"a bit\"";	2580	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2383		2582
2384	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2584	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2387		2586
		2587	warn "unload completed, starting to reload now";
		2588
2388	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2389	require cf;	2590	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2592
2392	warn "load config and database again";	2593	warn "loading config and database again";
2393	cf::cfg_load;	2594	cf::cfg_load;
2394	cf::db_load;
2395		2595
2396	warn "load extensions";	2596	warn "loading extensions";
2397	cf::load_extensions;	2597	cf::load_extensions;
2398		2598
2399	warn "reattach attachments to objects/players";	2599	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2600	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2601	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2403	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2404		2605
2405	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2406	warn $@;	2613	warn $@;
2407	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2408	exit 1;	2615	exit 1;
2409	}	2616	};
2410		2617
2411	warn "reloaded";	2618	warn "reloaded";
2412	};	2619	};
2413		2620
2414	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}
2456		2622
2457	register_command "reload" => sub {	2623	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2459		2625
2460	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2461	$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 {
2462	reload;	2637	reload;
2463	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2464	}	2641	}
2465	};	2642	};
2466		2643
2467	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2468		2647
2469	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2471	prio => 0,	2651	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2474	cb => sub {	2654	cb => sub {
		2655	if ($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
2475	$NOW = Event::time;	2661	$NOW = Event::time;
2476		2662
2477	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2480		2666
		2667	if ($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
2481	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2482	$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#
2483		2680
2484	# 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
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2683
2487	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2489	},	2686	},
2490	);	2687	);
2491		2688
		2689	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2493		2691	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2692	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2496	poll => 'r',	2694	poll => 'r',
2497	prio => 5,	2695	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2504	after => 0,	2697	cb => \&BDB::poll_cb,
2505	interval => 10,	2698	);
2506	cb => sub {	2699	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2700
2508	write_runtime	2701	BDB::set_sync_prepare {
2509	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 $@;
2510	})->();	2735	};
2511	},	2736	}
2512	);	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	}
2513		2753
2514	END { cf::emergency_save }	2754	END { cf::emergency_save }
2515		2755
2516	1	2756	1
2517		2757

Diff Legend

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