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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 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
…		…
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];
…		…
1161		1032
1162	=cut	1033	=cut
1163		1034
1164	sub quit_character {	1035	sub quit_character {
1165	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1166		1039
1167	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1042
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1180	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1181	}	1074	}
1182		1075
1183	=item cf::player::list_logins	1076	=item cf::player::list_logins
1184		1077
1185	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1205	\@logins	1098	\@logins
1206	}	1099	}
1207		1100
1208	=item $player->maps	1101	=item $player->maps
1209		1102
1210	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1211	player. May block.	1104	player. May block.
1212		1105
1213	=cut	1106	=cut
1214		1107
1215	sub maps($) {	1108	sub maps($) {
1216	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1112
1218	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1219	or return;	1114	or return;
1220		1115
1221	my @paths;	1116	my @paths;
…		…
1223	for (@$files) {	1118	for (@$files) {
1224	utf8::decode $_;	1119	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1227		1122
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1124	}
1230		1125
1231	\@paths	1126	\@paths
1232	}	1127	}
1233		1128
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1235		1130
1236	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1237		1132
1238	=cut	1133	=cut
1239		1134
1240	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1242		1137
1243	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1244		1155
1245	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1246	}	1157	}
1247		1158
1248	package cf;	1159	package cf;
…		…
1259	package cf::map;	1170	package cf::map;
1260		1171
1261	use Fcntl;	1172	use Fcntl;
1262	use Coro::AIO;	1173	use Coro::AIO;
1263		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1264	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1266		1181
1267	sub generate_random_map {	1182	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1185	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1197	)
1285	}	1198	}
1286		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1327	}
		1328
1287	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1288	# all maps in C++...	1330	# all maps in C++...
1289	sub change_all_map_light {	1331	sub change_all_map_light {
1290	my ($change) = @_;	1332	my ($change) = @_;
1291		1333
1292	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1294	}	1336	}
1295		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1296	sub load_map_header($) {	1346	sub load_header_from($) {
1297	my ($path) = @_;	1347	my ($self, $path) = @_;
1298		1348
1299	utf8::encode $path;	1349	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1301	or return;	1354	or return;
1302		1355
1303	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1304	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1305		1402
1306	# for better error messages only, will be overwritten later	1403	1
1307	$map->path ($path);
1308
1309	$map->load_header ($path)
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1404	}
1316		1405
1317	sub find;	1406	sub find;
1318	sub find {	1407	sub find {
1319	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1320		1409
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1411
1326	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1327		1413
1328	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1330		1416	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;	1417	or return;
1345		1418
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;	1419	$map->{last_save} = $cf::RUNTIME;
1358		1420
1359	Coro::cede;	1421	$map->load_header
		1422	or return;
1360		1423
1361	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1427	$map->reset;
1363	undef $guard;	1428	undef $guard;
1364	$map = find $path	1429	return find $path;
1365	or return;
1366	}	1430	}
1367		1431
1368	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1369	}	1433	}
1370	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1371		1438
1372	sub load {	1439	sub load {
1373	my ($self) = @_;	1440	my ($self) = @_;
1374		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1375	my $path = $self->{path};	1444	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1377		1446
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1448
1380	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1381		1450
1382	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1383	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1456	or return;
1385		1457
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1459	if delete $self->{load_original};
1388		1460
1389	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1462	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1464	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1394	}	1466	}
1395	}	1467	}
1396		1468
1397	Coro::cede;	1469	Coro::cede;
1398		1470
1399	# now do the right thing for maps	1471	# now do the right thing for maps
1400	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1401		1473
1402	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1475	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1409	$self->set_darkness_map;	1479	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1412	$self->activate;	1483	$self->activate;
1413	}	1484	}
1414		1485
1415	Coro::cede;	1486	$self->post_load;
1416		1487
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
1418	}	1498	}
1419		1499
1420	# find and load all maps in the 3x3 area around a map	1500	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1501	sub load_diag {
1422	my ($map) = @_;	1502	my ($map) = @_;
…		…
1452		1532
1453	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1454	}	1534	}
1455		1535
1456	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1537	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	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1538
1472	sub find_async {	1539	sub find_async {
1473	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1474		1541
1475	$path = new cf::path $path, $origin && $origin->path;	1542	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1543
1478	if (my $map = $cf::MAP{$key}) {	1544	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1546	}
1481		1547
1482	$MAP_PREFETCH{$key} = $path;	1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
1483	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1484		1562
1485	()	1563	()
1486	}	1564	}
1487		1565
1488	sub save {	1566	sub save {
…		…
1492		1570
1493	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1494		1572
1495	return unless $self->dirty;	1573	return unless $self->dirty;
1496		1574
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1577
1500	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1501		1579
1502	return if $self->{deny_save};	1580	return if $self->{deny_save};
1503		1581
…		…
1506	cf::async {	1584	cf::async {
1507	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1508	};	1586	};
1509		1587
1510	if ($uniq) {	1588	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1591	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1593	}
1516	}	1594	}
1517		1595
1518	sub swap_out {	1596	sub swap_out {
1519	my ($self) = @_;	1597	my ($self) = @_;
…		…
1533		1611
1534	sub reset_at {	1612	sub reset_at {
1535	my ($self) = @_;	1613	my ($self) = @_;
1536		1614
1537	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1540		1618
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1621
…		…
1548	my ($self) = @_;	1626	my ($self) = @_;
1549		1627
1550	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1551	}	1629	}
1552		1630
1553	sub unlink_save {
1554	my ($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	$self->save;
1572	}
1573
1574	sub reset {	1631	sub reset {
1575	my ($self) = @_;	1632	my ($self) = @_;
1576		1633
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1635
1579	return if $self->players;	1636	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1581		1638
1582	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1583		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1584	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1585		1654
1586	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1587		1656
1588	$self->unlink_save;	1657	$self->unlink_save;
1589	$self->destroy;	1658	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1593		1662
1594	sub nuke {	1663	sub nuke {
1595	my ($self) = @_;	1664	my ($self) = @_;
1596		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1600	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1601	}	1679	}
1602		1680
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1614		1682
1615	Returns an arrayref of cf::path's of all shared maps that have	1683	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1684	instantiated unique items. May block.
1617		1685
1618	=cut	1686	=cut
1619		1687
1620	sub unique_maps() {	1688	sub unique_maps() {
…		…
1626	for (@$files) {	1694	for (@$files) {
1627	utf8::decode $_;	1695	utf8::decode $_;
1628	next if /\.pst$/;	1696	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1630		1698
1631	push @paths, new cf::path $_;	1699	push @paths, cf::map::normalise $_;
1632	}	1700	}
1633		1701
1634	\@paths	1702	\@paths
1635	}	1703	}
1636		1704
…		…
1711		1779
1712	=item $player_object->enter_link	1780	=item $player_object->enter_link
1713		1781
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1783
1716	The player should be reaosnably safe there for short amounts of time. You	1784	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.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1718		1786
		1787	Will never block.
		1788
1719	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1720		1790
1721	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1794	fails, to the emergency map position.
1725		1795
1726	Might block.	1796	Might block.
1727		1797
1728	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1729		1809
1730	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1811	my ($self) = @_;
1732		1812
1733	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1734		1814
1735	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1816
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1818	if $self->map;
1739		1819
1740	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1821	}
1742		1822
1743	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1745		1825
…		…
1767	$map->load;	1847	$map->load;
1768	$map->load_diag;	1848	$map->load_diag;
1769		1849
1770	return unless $self->contr->active;	1850	return unless $self->contr->active;
1771	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1773	}	1855	}
1774		1856
1775	cf::player->attach (	1857	cf::player->attach (
1776	on_logout => sub {	1858	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1872	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1793	(async {	1875	(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,	1876	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1802	})->prio (2);	1884	})->prio (2);
1803	}	1885	}
1804	},	1886	},
…		…
1809	=cut	1891	=cut
1810		1892
1811	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1813		1895
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1896	$self->enter_link;
1817		1897
1818	(async {	1898	(async {
		1899	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1821		1902	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1905
1827	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1907	})->prio (1);
1829	}	1908	}
1830		1909
…		…
1834		1913
1835	sub parse_random_map_params {	1914	sub parse_random_map_params {
1836	my ($spec) = @_;	1915	my ($spec) = @_;
1837		1916
1838	my $rmp = { # defaults	1917	my $rmp = { # defaults
1839	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1841	};	1922	};
1842		1923
1843	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1845		1926
…		…
1849	$rmp	1930	$rmp
1850	}	1931	}
1851		1932
1852	sub prepare_random_map {	1933	sub prepare_random_map {
1853	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1937
1855	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1940	# that depends on the exit object
1858		1941
1859	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1860		1943
1861	if ($exit->map) {	1944	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1866	}	1949	}
1867		1950
1868	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1869		1952
1870	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1956
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1875		1961
1876	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1963	$exit->msg (undef);
1878	}	1964	}
1879	}	1965	}
1880		1966
1881	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1883		1969
1884	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1885		1980
1886	$self->enter_link;	1981	$self->enter_link;
1887		1982
1888	(async {	1983	(async {
1889	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1985	unless (eval {
1891	prepare_random_map $exit	1986	$self->goto ($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		1987
1897	1;	1988	1;
1898	}) {	1989	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1920		2011
1921	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1923		2014
1924	utf8::encode $text;	2015	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2017	}
1927		2018
1928		2019
1929	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1930		2021
…		…
1961	# get handled first	2052	# get handled first
1962	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2055
1965	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2058
1967	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1968		2060
1969	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2062	if (@$queue) {
…		…
2028		2120
2029	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
2030		2122
2031	=pod	2123	=pod
2032		2124
2033	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
2034		2126
2035	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2128	cf::object::player player
2037	cf::player peaceful	2129	cf::player peaceful
2038	cf::map trigger	2130	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2224	using it, it should be unique.
2133		2225
2134	=over 4	2226	=over 4
2135		2227
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	2228	=item $value = cf::db_get $family => $key
2143		2229
2144	Returns a single value from the database	2230	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		2231
2151	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2152		2233
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	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		2235
2164	=cut	2236	=cut
2165		2237
2166	our $DB;	2238	our $DB;
2167		2239
2168	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2169	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2170		2259
2171	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2264
2175	my $pid;	2265	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	}	2266	};
2185	}	2267	}
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	});	2268	}
		2269	}
2197		2270
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2271	sub db_get($$) {
2204	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2209	sub db_put($$;$) {	2282	sub db_put($$$) {
2210	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2212	} else {	2321	} else {
2213	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$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	},	2323	}
2223	);	2324	Coro::cede;
2224	}	2325	}
2225		2326
2226	#############################################################################	2327	1
2227	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2228		2340
2229	sub cfg_load {	2341	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2343	or return;
2232		2344
…		…
2249		2361
2250	sub main {	2362	sub main {
2251	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2254	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2255	};	2369	};
2256		2370
2257	cfg_load;	2371	cfg_load;
2258	db_load;	2372	db_init;
2259	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2260	Event::loop;	2376	Event::loop;
2261	}	2377	}
2262		2378
2263	#############################################################################	2379	#############################################################################
2264	# initialisation and cleanup	2380	# initialisation and cleanup
2265		2381
2266	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2267	BEGIN {	2383	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2271	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2272	cb => sub {	2390	cb => sub {
2273	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2274	},	2392	},
2275	);	2393	);
2276	}	2394	}
2277	}	2395	}
…		…
2282	warn "enter emergency perl save\n";	2400	warn "enter emergency perl save\n";
2283		2401
2284	cf::sync_job {	2402	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2403	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2404	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2405	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2406	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2407	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2408	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2409	$pl->valid or next;
2292	$pl->save;	2410	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2417	$map->valid or next;
2300	$map->save;	2418	$map->save;
2301	}	2419	}
2302	warn "end emergency map save\n";	2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2303	};	2425	};
2304		2426
2305	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2306	}	2435	}
2307		2436
2308	sub reload() {	2437	sub reload() {
2309	# can/must only be called in main	2438	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2312	return;	2441	return;
2313	}	2442	}
2314		2443
2315	warn "reloading...";	2444	warn "reloading...";
2316		2445
2317	warn "freezing server";	2446	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2320		2452
2321	warn "sync database to disk";	2453	warn "syncing database to disk";
2322	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2455
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2327		2457
2328	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2461	}
2332		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2333	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2476	%EXT_CORO = ();
2336		2477
2337	warn "remove commands";	2478	warn "removing commands";
2338	%COMMAND = ();	2479	%COMMAND = ();
2339		2480
2340	warn "remove ext commands";	2481	warn "removing ext commands";
2341	%EXTCMD = ();	2482	%EXTCMD = ();
2342		2483
2343	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2486	warn "... unloading $pkg";
2346		2487
2347	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2489	eval {
…		…
2353		2494
2354	warn "... nuking $pkg";	2495	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2356	}	2497	}
2357		2498
2358	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2502
2362	warn "removing <$k>";	2503	warn "... unloading $k";
2363	delete $INC{$k};	2504	delete $INC{$k};
2364		2505
2365	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2367		2508
…		…
2370	}	2511	}
2371		2512
2372	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2373	}	2514	}
2374		2515
2375	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2519
2379	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2381		2522
2382	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2524	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2385		2526
		2527	warn "unload completed, starting to reload now";
		2528
2386	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2387	require cf;	2530	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2532
2390	warn "load config and database again";	2533	warn "loading config and database again";
2391	cf::cfg_load;	2534	cf::cfg_load;
2392	cf::db_load;
2393		2535
2394	warn "load extensions";	2536	warn "loading extensions";
2395	cf::load_extensions;	2537	cf::load_extensions;
2396		2538
2397	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2540	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2401	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2402		2545
2403	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2404	warn $@;	2553	warn $@;
2405	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2406	exit 1;	2555	exit 1;
2407	}	2556	};
2408		2557
2409	warn "reloaded";	2558	warn "reloaded";
2410	};	2559	};
2411		2560
2412	#############################################################################	2561	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} = $LINK_MAP;
2453	}
2454		2562
2455	register_command "reload" => sub {	2563	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2457		2565
2458	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2460	reload;	2577	reload;
2461	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2462	}	2581	}
2463	};	2582	};
2464		2583
2465	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2466		2587
2467	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2469	prio => 0,	2591	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2472	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
2473	$NOW = Event::time;	2601	$NOW = Event::time;
2474		2602
2475	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2478		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
2479	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2481		2620
2482	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2623
2485	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2487	},	2626	},
2488	);	2627	);
2489		2628
		2629	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2491		2631	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2632	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2494	poll => 'r',	2634	poll => 'r',
2495	prio => 5,	2635	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2502	after => 0,	2637	cb => \&BDB::poll_cb,
2503	interval => 10,	2638	);
2504	cb => sub {	2639	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2640
2506	write_runtime	2641	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2675	};
2509	},	2676	}
2510	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2511		2693
2512	END { cf::emergency_save }	2694	END { cf::emergency_save }
2513		2695
2514	1	2696	1
2515		2697

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