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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 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;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$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		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		392
523	#############################################################################	393	#############################################################################
524		394
525	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
526		396
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	523	our @CB_MAP = ();
654		524
655	my %attachment;	525	my %attachment;
656		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
657	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
659		535
660	use sort 'stable';	536	use sort 'stable';
661		537
…		…
832	# object support	708	# object support
833		709
834	sub reattach {	710	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		715
838	my $registry = $obj->registry;	716	my $registry = $obj->registry;
839		717
840	@$registry = ();	718	@$registry = ();
841		719
…		…
888	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
889		767
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	772	close $fh;
895		773
896	if (@$objs) {	774	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	780	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
904	}	782	}
905	} else {	783	} else {
906	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1028	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1031	. "\n};\n1";	909	. "\n};\n1";
1032		910
1033	eval $source	911	unless (eval $source) {
1034	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1035	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1036		921
1037	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1038	}	923	}
1039		924
1040	sub load_extensions {	925	sub load_extensions {
…		…
1046	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1047	}	932	}
1048	}	933	}
1049		934
1050	#############################################################################	935	#############################################################################
1051	# load/save/clean perl data associated with a map
1052
1053	*cf::mapsupport::on_clean = sub {
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		936
1066	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1067		938
1068	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1069		940
…		…
1092	}	963	}
1093		964
1094	sub path($) {	965	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		967
1097	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1098	}	969	}
1099		970
1100	sub find_active($) {	971	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1105		976
1106	sub exists($) {	977	sub exists($) {
1107	my ($login) = @_;	978	my ($login) = @_;
1108		979
1109	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1111	}	982	}
1112		983
1113	sub find($) {	984	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	986	my $login = $_[0];
1116		987
1117	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1118		989
1119	$cf::PLAYER{$_[0]} || do {	990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
1120	my $pl = load_pl path $login	998	my $pl = load_pl path $login
1121	or return;	999	or return;
1122	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
1123	}	1001	}
1124	}	1002	}
…		…
1161		1039
1162	=cut	1040	=cut
1163		1041
1164	sub quit_character {	1042	sub quit_character {
1165	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1166		1046
1167	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1049
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
1180	IO::AIO::aio_rmtree $temp;	1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
1181	}	1081	}
1182		1082
1183	=item cf::player::list_logins	1083	=item cf::player::list_logins
1184		1084
1185	Returns am arrayref of all valid playernames in the system, can take a	1085	Returns am arrayref of all valid playernames in the system, can take a
…		…
1205	\@logins	1105	\@logins
1206	}	1106	}
1207		1107
1208	=item $player->maps	1108	=item $player->maps
1209		1109
1210	Returns an arrayref of cf::path's of all maps that are private for this	1110	Returns an arrayref of map paths that are private for this
1211	player. May block.	1111	player. May block.
1212		1112
1213	=cut	1113	=cut
1214		1114
1215	sub maps($) {	1115	sub maps($) {
1216	my ($pl) = @_;	1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1119
1218	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1219	or return;	1121	or return;
1220		1122
1221	my @paths;	1123	my @paths;
…		…
1223	for (@$files) {	1125	for (@$files) {
1224	utf8::decode $_;	1126	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1128	next unless /^$PATH_SEP/o;
1227		1129
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1130	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1131	}
1230		1132
1231	\@paths	1133	\@paths
1232	}	1134	}
1233		1135
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1235		1137
1236	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1237		1139
1238	=cut	1140	=cut
1239		1141
1240	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1242		1144
1243	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1244		1146
1245	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1246	}	1160	}
1247		1161
1248	package cf;	1162	package cf;
1249		1163
1250	=back	1164	=back
…		…
1259	package cf::map;	1173	package cf::map;
1260		1174
1261	use Fcntl;	1175	use Fcntl;
1262	use Coro::AIO;	1176	use Coro::AIO;
1263		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1264	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1266		1184
1267	sub generate_random_map {	1185	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1188	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1200	)
1285	}	1201	}
1286		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1330	}
		1331
1287	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1288	# all maps in C++...	1333	# all maps in C++...
1289	sub change_all_map_light {	1334	sub change_all_map_light {
1290	my ($change) = @_;	1335	my ($change) = @_;
1291		1336
1292	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1294	}	1339	}
1295		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1296	sub load_map_header($) {	1349	sub load_header_from($) {
1297	my ($path) = @_;	1350	my ($self, $path) = @_;
1298		1351
1299	utf8::encode $path;	1352	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1301	or return;	1357	or return;
1302		1358
1303	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1304	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1305		1405
1306	# for better error messages only, will be overwritten later	1406	1
1307	$map->path ($path);
1308
1309	$map->load_header ($path)
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1407	}
1316		1408
1317	sub find;	1409	sub find;
1318	sub find {	1410	sub find {
1319	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1320		1412
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1414
1326	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1327		1416
1328	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1330		1419	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1420	or return;
1345		1421
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1358		1423
1359	Coro::cede;	1424	$map->load_header
		1425	or return;
1360		1426
1361	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1430	$map->reset;
1363	undef $guard;	1431	undef $guard;
1364	$map = find $path	1432	return find $path;
1365	or return;
1366	}	1433	}
1367		1434
1368	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1369	}	1436	}
1370	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1371		1441
1372	sub load {	1442	sub load {
1373	my ($self) = @_;	1443	my ($self) = @_;
1374		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1375	my $path = $self->{path};	1447	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1377		1449
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1451
1380	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1381		1453
1382	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1383	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1459	or return;
1385		1460
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1462	if delete $self->{load_original};
1388		1463
1389	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1465	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1467	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1394	}	1469	}
1395	}	1470	}
1396		1471
1397	Coro::cede;	1472	Coro::cede;
1398		1473
1399	# now do the right thing for maps	1474	# now do the right thing for maps
1400	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1401		1476
1402	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1478	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1409	$self->set_darkness_map;	1482	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1412	$self->activate;	1486	$self->activate;
1413	}	1487	}
1414		1488
1415	Coro::cede;	1489	$self->post_load;
1416		1490
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
1418	}	1501	}
1419		1502
1420	# find and load all maps in the 3x3 area around a map	1503	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1504	sub load_diag {
1422	my ($map) = @_;	1505	my ($map) = @_;
…		…
1452		1535
1453	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1454	}	1537	}
1455		1538
1456	our %MAP_PREFETCH;	1539	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1540	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1541
1472	sub find_async {	1542	sub find_async {
1473	my ($path, $origin) = @_;	1543	my ($path, $origin) = @_;
1474		1544
1475	$path = new cf::path $path, $origin && $origin->path;	1545	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1546
1478	if (my $map = $cf::MAP{$key}) {	1547	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1549	}
1481		1550
1482	$MAP_PREFETCH{$key} = $path;	1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
1483	$MAP_PREFETCHER->ready;	1564	$MAP_PREFETCHER->prio (6);
1484		1565
1485	()	1566	()
1486	}	1567	}
1487		1568
1488	sub save {	1569	sub save {
…		…
1492		1573
1493	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1494		1575
1495	return unless $self->dirty;	1576	return unless $self->dirty;
1496		1577
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1580
1500	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1501		1582
1502	return if $self->{deny_save};	1583	return if $self->{deny_save};
1503		1584
…		…
1506	cf::async {	1587	cf::async {
1507	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1508	};	1589	};
1509		1590
1510	if ($uniq) {	1591	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1594	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1596	}
1516	}	1597	}
1517		1598
1518	sub swap_out {	1599	sub swap_out {
1519	my ($self) = @_;	1600	my ($self) = @_;
…		…
1533		1614
1534	sub reset_at {	1615	sub reset_at {
1535	my ($self) = @_;	1616	my ($self) = @_;
1536		1617
1537	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1540		1621
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1624
…		…
1548	my ($self) = @_;	1629	my ($self) = @_;
1549		1630
1550	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1551	}	1632	}
1552		1633
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1634	sub reset {
1575	my ($self) = @_;	1635	my ($self) = @_;
1576		1636
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1638
1579	return if $self->players;	1639	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1581		1641
1582	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1583		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1584	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1585		1657
1586	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1587		1659
1588	$self->unlink_save;	1660	$self->unlink_save;
1589	$self->destroy;	1661	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1593		1665
1594	sub nuke {	1666	sub nuke {
1595	my ($self) = @_;	1667	my ($self) = @_;
1596		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1600	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1601	}	1682	}
1602		1683
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1684	=item cf::map::unique_maps
1614		1685
1615	Returns an arrayref of cf::path's of all shared maps that have	1686	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1687	instantiated unique items. May block.
1617		1688
1618	=cut	1689	=cut
1619		1690
1620	sub unique_maps() {	1691	sub unique_maps() {
…		…
1626	for (@$files) {	1697	for (@$files) {
1627	utf8::decode $_;	1698	utf8::decode $_;
1628	next if /\.pst$/;	1699	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1630		1701
1631	push @paths, new cf::path $_;	1702	push @paths, cf::map::normalise $_;
1632	}	1703	}
1633		1704
1634	\@paths	1705	\@paths
1635	}	1706	}
1636		1707
…		…
1711		1782
1712	=item $player_object->enter_link	1783	=item $player_object->enter_link
1713		1784
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1786
1716	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1718		1789
		1790	Will never block.
		1791
1719	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1720		1793
1721	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1797	fails, to the emergency map position.
1725		1798
1726	Might block.	1799	Might block.
1727		1800
1728	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1729		1812
1730	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1814	my ($self) = @_;
1732		1815
1733	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1734		1817
1735	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1819
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1821	if $self->map;
1739		1822
1740	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1824	}
1742		1825
1743	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1745		1828
…		…
1767	$map->load;	1850	$map->load;
1768	$map->load_diag;	1851	$map->load_diag;
1769		1852
1770	return unless $self->contr->active;	1853	return unless $self->contr->active;
1771	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1773	}	1858	}
1774		1859
1775	cf::player->attach (	1860	cf::player->attach (
1776	on_logout => sub {	1861	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1875	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1793	(async {	1878	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1881	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1802	})->prio (2);	1887	})->prio (2);
1803	}	1888	}
1804	},	1889	},
…		…
1809	=cut	1894	=cut
1810		1895
1811	sub cf::object::player::goto {	1896	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1813		1898
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1899	$self->enter_link;
1817		1900
1818	(async {	1901	(async {
		1902	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1821		1905	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1908
1827	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1910	})->prio (1);
1829	}	1911	}
1830		1912
…		…
1834		1916
1835	sub parse_random_map_params {	1917	sub parse_random_map_params {
1836	my ($spec) = @_;	1918	my ($spec) = @_;
1837		1919
1838	my $rmp = { # defaults	1920	my $rmp = { # defaults
1839	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1841	};	1925	};
1842		1926
1843	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1845		1929
…		…
1849	$rmp	1933	$rmp
1850	}	1934	}
1851		1935
1852	sub prepare_random_map {	1936	sub prepare_random_map {
1853	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1940
1855	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1943	# that depends on the exit object
1858		1944
1859	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1860		1946
1861	if ($exit->map) {	1947	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1866	}	1952	}
1867		1953
1868	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1869		1955
1870	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1959
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1875		1964
1876	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1966	$exit->msg (undef);
1878	}	1967	}
1879	}	1968	}
1880		1969
1881	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1883		1972
1884	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
1885		1985
1886	$self->enter_link;	1986	$self->enter_link;
1887		1987
1888	(async {	1988	(async {
1889	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1990	unless (eval {
1891	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		1992
1897	1;	1993	1;
1898	}) {	1994	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	1997	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1903		1999
1904	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2001	$self->leave_link;
1906	}	2002	}
1907	})->prio (1);	2003	})->prio (1);
…		…
1920		2016
1921	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1923		2019
1924	utf8::encode $text;	2020	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2022	}
1927		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1928		2036
1929	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1930		2038
1931	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2069	# get handled first
1962	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2072
1965	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2075
1967	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1968		2077
1969	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2079	if (@$queue) {
…		…
2028		2137
2029	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
2030		2139
2031	=pod	2140	=pod
2032		2141
2033	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
2034		2143
2035	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2145	cf::object::player player
2037	cf::player peaceful	2146	cf::player peaceful
2038	cf::map trigger	2147	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2241	using it, it should be unique.
2133		2242
2134	=over 4	2243	=over 4
2135		2244
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2143		2246
2144	Returns a single value from the database	2247	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2248
2151	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2152		2250
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2252
2164	=cut	2253	=cut
2165		2254
2166	our $DB;	2255	our $DB;
2167		2256
2168	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
2169	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
2170		2276
2171	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2281
2175	my $pid;	2282	unlink $path;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2283	};
2185	}	2284	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2285	}
		2286	}
2197		2287
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2288	sub db_get($$) {
2204	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
2209	sub db_put($$;$) {	2299	sub db_put($$$) {
2210	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2212	} else {	2338	} else {
2213	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2340	}
2223	);	2341	Coro::cede;
2224	}	2342	}
2225		2343
2226	#############################################################################	2344	1
2227	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
2228		2357
2229	sub cfg_load {	2358	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2360	or return;
2232		2361
…		…
2249		2378
2250	sub main {	2379	sub main {
2251	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2383	(async {
2254	async { Event::one_event };	2384	Event::one_event;
		2385	})->prio (Coro::PRIO_MAX);
2255	};	2386	};
2256		2387
2257	cfg_load;	2388	cfg_load;
2258	db_load;	2389	db_init;
2259	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2260	Event::loop;	2393	Event::loop;
2261	}	2394	}
2262		2395
2263	#############################################################################	2396	#############################################################################
2264	# initialisation and cleanup	2397	# initialisation and cleanup
2265		2398
2266	# install some emergency cleanup handlers	2399	# install some emergency cleanup handlers
2267	BEGIN {	2400	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2401	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2402	Event->signal (
		2403	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2404	data => WF_AUTOCANCEL,
2271	signal => $signal,	2405	signal => $signal,
		2406	prio => 0,
2272	cb => sub {	2407	cb => sub {
2273	cf::cleanup "SIG$signal";	2408	cf::cleanup "SIG$signal";
2274	},	2409	},
2275	);	2410	);
2276	}	2411	}
2277	}	2412	}
…		…
2282	warn "enter emergency perl save\n";	2417	warn "enter emergency perl save\n";
2283		2418
2284	cf::sync_job {	2419	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2420	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2421	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2422	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2423	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2424	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2425	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2426	$pl->valid or next;
2292	$pl->save;	2427	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2433	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2434	$map->valid or next;
2300	$map->save;	2435	$map->save;
2301	}	2436	}
2302	warn "end emergency map save\n";	2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
2303	};	2442	};
2304		2443
2305	warn "leave emergency perl save\n";	2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
2306	}	2452	}
2307		2453
2308	sub reload() {	2454	sub reload() {
2309	# can/must only be called in main	2455	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2312	return;	2458	return;
2313	}	2459	}
2314		2460
2315	warn "reloading...";	2461	warn "reloading...";
2316		2462
2317	warn "freezing server";	2463	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2320		2469
2321	warn "sync database to disk";	2470	warn "syncing database to disk";
2322	cf::db_sync;	2471	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2472
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2327		2474
2328	warn "cancel all watchers";	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2478	}
2332		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2333	warn "cancel all extension coros";	2491	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2493	%EXT_CORO = ();
2336		2494
2337	warn "remove commands";	2495	warn "removing commands";
2338	%COMMAND = ();	2496	%COMMAND = ();
2339		2497
2340	warn "remove ext commands";	2498	warn "removing ext commands";
2341	%EXTCMD = ();	2499	%EXTCMD = ();
2342		2500
2343	warn "unload/nuke all extensions";	2501	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2502	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2503	warn "... unloading $pkg";
2346		2504
2347	if (my $cb = $pkg->can ("unload")) {	2505	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2506	eval {
…		…
2353		2511
2354	warn "... nuking $pkg";	2512	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2513	Symbol::delete_package $pkg;
2356	}	2514	}
2357		2515
2358	warn "unload all perl modules loaded from $LIBDIR";	2516	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2519
2362	warn "removing <$k>";	2520	warn "... unloading $k";
2363	delete $INC{$k};	2521	delete $INC{$k};
2364		2522
2365	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2367		2525
…		…
2370	}	2528	}
2371		2529
2372	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2373	}	2531	}
2374		2532
2375	warn "get rid of safe::, as good as possible";	2533	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2536
2379	warn "unload cf.pm \"a bit\"";	2537	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2381		2539
2382	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2541	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2385		2543
		2544	warn "unload completed, starting to reload now";
		2545
2386	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2387	require cf;	2547	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2549
2390	warn "load config and database again";	2550	warn "loading config and database again";
2391	cf::cfg_load;	2551	cf::cfg_load;
2392	cf::db_load;
2393		2552
2394	warn "load extensions";	2553	warn "loading extensions";
2395	cf::load_extensions;	2554	cf::load_extensions;
2396		2555
2397	warn "reattach attachments to objects/players";	2556	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2557	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2558	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2559	reattach $_ for values %MAP;
2401	};	2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2402		2562
2403	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2404	warn $@;	2570	warn $@;
2405	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2406	exit 1;	2572	exit 1;
2407	}	2573	};
2408		2574
2409	warn "reloaded";	2575	warn "reloaded";
2410	};	2576	};
2411		2577
2412	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}
2454		2579
2455	register_command "reload" => sub {	2580	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2457		2582
2458	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2460	reload;	2594	reload;
2461	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2462	}	2598	}
2463	};	2599	};
2464		2600
2465	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2466		2604
2467	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2469	prio => 0,	2608	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2472	cb => sub {	2611	cb => sub {
		2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2473	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2474	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
2476		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
2477	$WAIT_FOR_TICK->broadcast;	2632	$WAIT_FOR_TICK->broadcast;
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2479		2637
2480	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482		2640
2483	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2485	},	2643	},
2486	);	2644	);
2487		2645
		2646	{
2488	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2489		2648	$BDB_POLL_WATCHER = Event->io (
2490	Event->io (	2649	reentrant => 0,
2491	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2492	poll => 'r',	2651	poll => 'r',
2493	prio => 5,	2652	prio => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2500	after => 0,	2654	cb => \&BDB::poll_cb,
2501	interval => 10,	2655	);
2502	cb => sub {	2656	BDB::min_parallel 8;
2503	(Coro::unblock_sub {	2657
2504	write_runtime	2658	BDB::set_sync_prepare {
2505	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2506	})->();	2692	};
2507	},	2693	}
2508	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2509		2710
2510	END { cf::emergency_save }	2711	END { cf::emergency_save }
2511		2712
2512	1	2713	1
2513		2714

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