[ViewVC] Diff of: 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 1.237 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
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($$%) {
1261	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1262		1146
1263	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1264		1148
1265	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1266	}	1162	}
1267		1163
1268	package cf;	1164	package cf;
1269		1165
1270	=back	1166	=back
…		…
1279	package cf::map;	1175	package cf::map;
1280		1176
1281	use Fcntl;	1177	use Fcntl;
1282	use Coro::AIO;	1178	use Coro::AIO;
1283		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1284	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1286		1186
1287	sub generate_random_map {	1187	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1190	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1202	)
1305	}	1203	}
1306		1204
		1205	=item cf::map->register ($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, $path
		1332	}
		1333
1307	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1308	# all maps in C++...	1335	# all maps in C++...
1309	sub change_all_map_light {	1336	sub change_all_map_light {
1310	my ($change) = @_;	1337	my ($change) = @_;
1311		1338
1312	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1314	}	1341	}
1315		1342
		1343	sub unlink_save {
		1344	my ($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
1316	sub load_map_header($) {	1351	sub load_header_from($) {
1317	my ($path) = @_;	1352	my ($self, $path) = @_;
1318		1353
1319	utf8::encode $path;	1354	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1321	or return;	1359	or return;
1322		1360
1323	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
1324	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1325		1407
1326	# for better error messages only, will be overwritten later	1408	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1409	}
1336		1410
1337	sub find;	1411	sub find;
1338	sub find {	1412	sub find {
1339	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1340		1414
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1416
1346	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1347		1418
1348	$cf::MAP{$key} \|\| do {	1419	$cf::MAP{$path} \|\| do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1350		1421	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;	1422	or return;
1365		1423
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;	1424	$map->{last_save} = $cf::RUNTIME;
1378		1425
1379	Coro::cede;	1426	$map->load_header
		1427	or return;
1380		1428
1381	if ($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;
1382	$map->reset;	1432	$map->reset;
1383	undef $guard;	1433	undef $guard;
1384	$map = find $path	1434	return find $path;
1385	or return;
1386	}	1435	}
1387		1436
1388	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1389	}	1438	}
1390	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1391		1443
1392	sub load {	1444	sub load {
1393	my ($self) = @_;	1445	my ($self) = @_;
1394		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1395	my $path = $self->{path};	1449	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1397		1451
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1453
1400	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1401		1455
1402	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1403	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1461	or return;
1405		1462
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1464	if delete $self->{load_original};
1408		1465
1409	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1467	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1469	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1414	}	1471	}
1415	}	1472	}
1416		1473
1417	Coro::cede;	1474	Coro::cede;
1418		1475
1419	# now do the right thing for maps	1476	# now do the right thing for maps
1420	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1421		1478
1422	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1480	$self->decay_objects;
1427	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1428	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1429	$self->set_darkness_map;	1484	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1432	$self->activate;	1488	$self->activate;
1433	}	1489	}
1434		1490
1435	Coro::cede;	1491	$self->post_load;
1436		1492
1437	$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	$self
1438	}	1503	}
1439		1504
1440	# find and load all maps in the 3x3 area around a map	1505	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1506	sub load_diag {
1442	my ($map) = @_;	1507	my ($map) = @_;
…		…
1472		1537
1473	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1474	}	1539	}
1475		1540
1476	our %MAP_PREFETCH;	1541	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1542	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1543
1492	sub find_async {	1544	sub find_async {
1493	my ($path, $origin) = @_;	1545	my ($path, $origin) = @_;
1494		1546
1495	$path = new cf::path $path, $origin && $origin->path;	1547	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1548
1498	if (my $map = $cf::MAP{$key}) {	1549	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1551	}
1501		1552
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1566	$MAP_PREFETCHER->prio (6);
1504		1567
1505	()	1568	()
1506	}	1569	}
1507		1570
1508	sub save {	1571	sub save {
…		…
1512		1575
1513	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1514		1577
1515	return unless $self->dirty;	1578	return unless $self->dirty;
1516		1579
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1582
1520	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1521		1584
1522	return if $self->{deny_save};	1585	return if $self->{deny_save};
1523		1586
…		…
1526	cf::async {	1589	cf::async {
1527	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1528	};	1591	};
1529		1592
1530	if ($uniq) {	1593	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1596	} else {
1534	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1535	}	1598	}
1536	}	1599	}
1537		1600
1538	sub swap_out {	1601	sub swap_out {
1539	my ($self) = @_;	1602	my ($self) = @_;
…		…
1553		1616
1554	sub reset_at {	1617	sub reset_at {
1555	my ($self) = @_;	1618	my ($self) = @_;
1556		1619
1557	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1560		1623
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1563		1626
…		…
1568	my ($self) = @_;	1631	my ($self) = @_;
1569		1632
1570	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1571	}	1634	}
1572		1635
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1636	sub reset {
1587	my ($self) = @_;	1637	my ($self) = @_;
1588		1638
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1640
1591	return if $self->players;	1641	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1593		1643
1594	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1595		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
1596	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
1597		1657
		1658	$self->clear;
		1659
1598	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1599		1661
1600	$self->{path}->unlink_save;	1662	$self->unlink_save;
1601	$self->destroy;	1663	$self->destroy;
1602	}	1664	}
1603		1665
1604	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1605		1667
1606	sub nuke {	1668	sub nuke {
1607	my ($self) = @_;	1669	my ($self) = @_;
1608		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1612	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1613	}	1684	}
1614		1685
1615	=item cf::map::unique_maps	1686	=item cf::map::unique_maps
1616		1687
1617	Returns an arrayref of cf::path's of all shared maps that have	1688	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1689	instantiated unique items. May block.
1619		1690
1620	=cut	1691	=cut
1621		1692
1622	sub unique_maps() {	1693	sub unique_maps() {
…		…
1628	for (@$files) {	1699	for (@$files) {
1629	utf8::decode $_;	1700	utf8::decode $_;
1630	next if /\.pst$/;	1701	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1702	next unless /^$PATH_SEP/o;
1632		1703
1633	push @paths, new cf::path $_;	1704	push @paths, cf::map::normalise $_;
1634	}	1705	}
1635		1706
1636	\@paths	1707	\@paths
1637	}	1708	}
1638		1709
…		…
1713		1784
1714	=item $player_object->enter_link	1785	=item $player_object->enter_link
1715		1786
1716	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}>).
1717		1788
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1720		1791
		1792	Will never block.
		1793
1721	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1722		1795
1723	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1799	fails, to the emergency map position.
1727		1800
1728	Might block.	1801	Might block.
1729		1802
1730	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($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	$LINK_MAP
		1813	}
1731		1814
1732	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1816	my ($self) = @_;
1734		1817
1735	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1736		1819
1737	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1821
1739	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1823	if $self->map;
1741		1824
1742	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1743	}	1826	}
1744		1827
1745	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1747		1830
…		…
1769	$map->load;	1852	$map->load;
1770	$map->load_diag;	1853	$map->load_diag;
1771		1854
1772	return unless $self->contr->active;	1855	return unless $self->contr->active;
1773	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1775	}	1860	}
1776		1861
1777	cf::player->attach (	1862	cf::player->attach (
1778	on_logout => sub {	1863	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1877	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1795	(async {	1880	(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,	1881	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1800	. "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.",
1801	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
1802	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1804	})->prio (2);	1889	})->prio (2);
1805	}	1890	}
1806	},	1891	},
…		…
1811	=cut	1896	=cut
1812		1897
1813	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1815		1900
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1901	$self->enter_link;
1819		1902
1820	(async {	1903	(async {
		1904	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1823		1907	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1825	# if $map;
1826
1827	$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);
1828		1910
1829	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1912	})->prio (1);
1831	}	1913	}
1832		1914
…		…
1836		1918
1837	sub parse_random_map_params {	1919	sub parse_random_map_params {
1838	my ($spec) = @_;	1920	my ($spec) = @_;
1839		1921
1840	my $rmp = { # defaults	1922	my $rmp = { # defaults
1841	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1843	};	1927	};
1844		1928
1845	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1847		1931
…		…
1851	$rmp	1935	$rmp
1852	}	1936	}
1853		1937
1854	sub prepare_random_map {	1938	sub prepare_random_map {
1855	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1942
1857	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1945	# that depends on the exit object
1860		1946
1861	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1862		1948
1863	if ($exit->map) {	1949	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1868	}	1954	}
1869		1955
1870	$rmp->{random_seed} \|\|= $exit->random_seed;	1956	$rmp->{random_seed} \|\|= $exit->random_seed;
1871		1957
1872	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1961
1875	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) {
1876	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;
1877		1966
1878	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1968	$exit->msg (undef);
1880	}	1969	}
1881	}	1970	}
1882		1971
1883	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1885		1974
1886	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;
1887		1987
1888	$self->enter_link;	1988	$self->enter_link;
1889		1989
1890	(async {	1990	(async {
1891	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1992	unless (eval {
1893	prepare_random_map $exit	1993	$self->goto ($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		1994
1899	1;	1995	1;
1900	}) {	1996	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	1999	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE \| cf::NDI_RED);	2000	cf::NDI_UNIQUE \| cf::NDI_RED);
1905		2001
1906	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2003	$self->leave_link;
1908	}	2004	}
1909	})->prio (1);	2005	})->prio (1);
…		…
1922		2018
1923	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1925		2021
1926	utf8::encode $text;	2022	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1928	}	2024	}
1929		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	}
1930		2038
1931	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1932		2040
1933	Queues a query to the client, calling the given callback with	2041	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>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2071	# get handled first
1964	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1965	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
1966		2074
1967	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2077
1969	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1970		2079
1971	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2081	if (@$queue) {
…		…
2030		2139
2031	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
2032		2141
2033	=pod	2142	=pod
2034		2143
2035	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
2036		2145
2037	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2147	cf::object::player player
2039	cf::player peaceful	2148	cf::player peaceful
2040	cf::map trigger	2149	cf::map trigger
…		…
2133	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
2134	using it, it should be unique.	2243	using it, it should be unique.
2135		2244
2136	=over 4	2245	=over 4
2137		2246
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	2247	=item $value = cf::db_get $family => $key
2145		2248
2146	Returns a single value from the database	2249	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		2250
2153	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2154		2252
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	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		2254
2166	=cut	2255	=cut
2167		2256
2168	our $DB;	2257	our $DB;
2169		2258
2170	{	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
2171	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;
2172		2278
2173	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2283
2177	my $pid;	2284	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	}	2285	};
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	},	2286	}
2225	);	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 { };
2226	}	2304	}
2227		2305
2228	#############################################################################	2306	#############################################################################
2229	# 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	}
2230		2371
2231	sub cfg_load {	2372	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2374	or return;
2234		2375
…		…
2251		2392
2252	sub main {	2393	sub main {
2253	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2255	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 {
2256	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2257	};	2400	};
2258		2401
2259	cfg_load;	2402	cfg_load;
2260	db_load;	2403	db_init;
2261	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2262	Event::loop;	2407	Event::loop;
2263	}	2408	}
2264		2409
2265	#############################################################################	2410	#############################################################################
2266	# initialisation and cleanup	2411	# initialisation and cleanup
2267		2412
2268	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2269	BEGIN {	2414	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2273	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2274	cb => sub {	2421	cb => sub {
2275	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2276	},	2423	},
2277	);	2424	);
2278	}	2425	}
2279	}	2426	}
…		…
2284	warn "enter emergency perl save\n";	2431	warn "enter emergency perl save\n";
2285		2432
2286	cf::sync_job {	2433	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2434	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2435	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2436	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2437	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2438	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2439	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2440	$pl->valid or next;
2294	$pl->save;	2441	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2448	$map->valid or next;
2302	$map->save;	2449	$map->save;
2303	}	2450	}
2304	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 $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2305	};	2456	};
2306		2457
2307	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2308	}	2466	}
2309		2467
2310	sub reload() {	2468	sub reload() {
2311	# can/must only be called in main	2469	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2314	return;	2472	return;
2315	}	2473	}
2316		2474
2317	warn "reloading...";	2475	warn "reloading...";
2318		2476
2319	warn "freezing server";	2477	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2322		2483
2323	warn "sync database to disk";	2484	warn "syncing database to disk";
2324	cf::db_sync;	2485	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2486
2327	eval {
2328	# 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
2329		2488
2330	warn "cancel all watchers";	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2492	}
2334		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs \|\| BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2335	warn "cancel all extension coros";	2505	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2507	%EXT_CORO = ();
2338		2508
2339	warn "remove commands";	2509	warn "removing commands";
2340	%COMMAND = ();	2510	%COMMAND = ();
2341		2511
2342	warn "remove ext commands";	2512	warn "removing ext commands";
2343	%EXTCMD = ();	2513	%EXTCMD = ();
2344		2514
2345	warn "unload/nuke all extensions";	2515	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2516	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2517	warn "... unloading $pkg";
2348		2518
2349	if (my $cb = $pkg->can ("unload")) {	2519	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2520	eval {
…		…
2355		2525
2356	warn "... nuking $pkg";	2526	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2527	Symbol::delete_package $pkg;
2358	}	2528	}
2359		2529
2360	warn "unload all perl modules loaded from $LIBDIR";	2530	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2533
2364	warn "removing <$k>";	2534	warn "... unloading $k";
2365	delete $INC{$k};	2535	delete $INC{$k};
2366		2536
2367	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2369		2539
…		…
2372	}	2542	}
2373		2543
2374	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2375	}	2545	}
2376		2546
2377	warn "get rid of safe::, as good as possible";	2547	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2379	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);
2380		2550
2381	warn "unload cf.pm \"a bit\"";	2551	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2383		2553
2384	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2555	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2387		2557
		2558	warn "unload completed, starting to reload now";
		2559
2388	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2389	require cf;	2561	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2563
2392	warn "load config and database again";	2564	warn "loading config and database again";
2393	cf::cfg_load;	2565	cf::cfg_load;
2394	cf::db_load;
2395		2566
2396	warn "load extensions";	2567	warn "loading extensions";
2397	cf::load_extensions;	2568	cf::load_extensions;
2398		2569
2399	warn "reattach attachments to objects/players";	2570	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2571	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2572	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2403	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2404		2576
2405	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2406	warn $@;	2584	warn $@;
2407	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2408	exit 1;	2586	exit 1;
2409	}	2587	};
2410		2588
2411	warn "reloaded";	2589	warn "reloaded";
2412	};	2590	};
2413		2591
2414	#############################################################################	2592	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} = $LINK_MAP;
2455	}
2456		2593
2457	register_command "reload" => sub {	2594	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2459		2596
2460	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2461	$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 {
2462	reload;	2608	reload;
2463	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2464	}	2612	}
2465	};	2613	};
2466		2614
2467	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2468		2618
2469	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2471	prio => 0,	2622	prio => 0,
2472	at => $NEXT_TICK \|\| $TICK,	2623	at => $NEXT_TICK \|\| $TICK,
2473	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2474	cb => sub {	2625	cb => sub {
		2626	if ($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
2475	$NOW = Event::time;	2632	$NOW = Event::time;
2476		2633
2477	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2480		2637
		2638	if ($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
2481	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2482	$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#
2483		2651
2484	# 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
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2654
2487	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2489	},	2657	},
2490	);	2658	);
2491		2659
		2660	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2493		2662	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2663	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2496	poll => 'r',	2665	poll => 'r',
2497	prio => 5,	2666	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2504	after => 0,	2668	cb => \&BDB::poll_cb,
2505	interval => 10,	2669	);
2506	cb => sub {	2670	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2671
2508	write_runtime	2672	BDB::set_sync_prepare {
2509	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 $@;
2510	})->();	2706	};
2511	},	2707	}
2512	);	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	}
2513		2724
2514	END { cf::emergency_save }	2725	END { cf::emergency_save }
2515		2726
2516	1	2727	1
2517		2728

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs. Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC