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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.231 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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		392
543	#############################################################################	393	#############################################################################
544		394
545	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
546		396
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	523	our @CB_MAP = ();
674		524
675	my %attachment;	525	my %attachment;
676		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
677	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
679		535
680	use sort 'stable';	536	use sort 'stable';
681		537
…		…
852	# object support	708	# object support
853		709
854	sub reattach {	710	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		715
858	my $registry = $obj->registry;	716	my $registry = $obj->registry;
859		717
860	@$registry = ();	718	@$registry = ();
861		719
…		…
908	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
909		767
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	772	close $fh;
915		773
916	if (@$objs) {	774	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	780	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
924	}	782	}
925	} else {	783	} else {
926	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1051	. "\n};\n1";	909	. "\n};\n1";
1052		910
1053	eval $source	911	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1055	: "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	}
1056		921
1057	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1058	}	923	}
1059		924
1060	sub load_extensions {	925	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1067	}	932	}
1068	}	933	}
1069		934
1070	#############################################################################	935	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		936
1086	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1087		938
1088	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1089		940
…		…
1125		976
1126	sub exists($) {	977	sub exists($) {
1127	my ($login) = @_;	978	my ($login) = @_;
1128		979
1129	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1131	}	982	}
1132		983
1133	sub find($) {	984	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	986	my $login = $_[0];
…		…
1181		1032
1182	=cut	1033	=cut
1183		1034
1184	sub quit_character {	1035	sub quit_character {
1185	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1186		1039
1187	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1188	$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
1189		1042
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1074	}
1202		1075
1203	=item cf::player::list_logins	1076	=item cf::player::list_logins
1204		1077
1205	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
…		…
1225	\@logins	1098	\@logins
1226	}	1099	}
1227		1100
1228	=item $player->maps	1101	=item $player->maps
1229		1102
1230	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
1231	player. May block.	1104	player. May block.
1232		1105
1233	=cut	1106	=cut
1234		1107
1235	sub maps($) {	1108	sub maps($) {
1236	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1112
1238	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1239	or return;	1114	or return;
1240		1115
1241	my @paths;	1116	my @paths;
…		…
1243	for (@$files) {	1118	for (@$files) {
1244	utf8::decode $_;	1119	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1247		1122
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1124	}
1250		1125
1251	\@paths	1126	\@paths
1252	}	1127	}
1253		1128
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1255		1130
1256	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1257		1132
1258	=cut	1133	=cut
1259		1134
1260	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1262		1137
1263	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1264		1155
1265	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1266	}	1157	}
1267		1158
1268	package cf;	1159	package cf;
…		…
1279	package cf::map;	1170	package cf::map;
1280		1171
1281	use Fcntl;	1172	use Fcntl;
1282	use Coro::AIO;	1173	use Coro::AIO;
1283		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1284	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1286		1181
1287	sub generate_random_map {	1182	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1185	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1197	)
1305	}	1198	}
1306		1199
		1200	=item cf::map->register ($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, $path
		1327	}
		1328
1307	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1308	# all maps in C++...	1330	# all maps in C++...
1309	sub change_all_map_light {	1331	sub change_all_map_light {
1310	my ($change) = @_;	1332	my ($change) = @_;
1311		1333
1312	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1314	}	1336	}
1315		1337
		1338	sub unlink_save {
		1339	my ($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
1316	sub load_map_header($) {	1346	sub load_header_from($) {
1317	my ($path) = @_;	1347	my ($self, $path) = @_;
1318		1348
1319	utf8::encode $path;	1349	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1321	or return;	1354	or return;
1322		1355
1323	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
1324	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1325		1402
1326	# for better error messages only, will be overwritten later	1403	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1404	}
1336		1405
1337	sub find;	1406	sub find;
1338	sub find {	1407	sub find {
1339	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1340		1409
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1411
1346	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1347		1413
1348	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1350		1416	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1417	or return;
1365		1418
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1378		1420
1379	Coro::cede;	1421	$map->load_header
		1422	or return;
1380		1423
1381	if ($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;
1382	$map->reset;	1427	$map->reset;
1383	undef $guard;	1428	undef $guard;
1384	$map = find $path	1429	return find $path;
1385	or return;
1386	}	1430	}
1387		1431
1388	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1389	}	1433	}
1390	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1391		1438
1392	sub load {	1439	sub load {
1393	my ($self) = @_;	1440	my ($self) = @_;
1394		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1395	my $path = $self->{path};	1444	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1397		1446
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1448
1400	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1401		1450
1402	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1403	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1456	or return;
1405		1457
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1459	if delete $self->{load_original};
1408		1460
1409	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1462	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1464	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1414	}	1466	}
1415	}	1467	}
1416		1468
1417	Coro::cede;	1469	Coro::cede;
1418		1470
1419	# now do the right thing for maps	1471	# now do the right thing for maps
1420	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1421		1473
1422	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1475	$self->decay_objects;
1427	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1428	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1429	$self->set_darkness_map;	1479	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1432	$self->activate;	1483	$self->activate;
1433	}	1484	}
1434		1485
1435	Coro::cede;	1486	$self->post_load;
1436		1487
1437	$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	$self
1438	}	1498	}
1439		1499
1440	# find and load all maps in the 3x3 area around a map	1500	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1501	sub load_diag {
1442	my ($map) = @_;	1502	my ($map) = @_;
…		…
1472		1532
1473	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1474	}	1534	}
1475		1535
1476	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1537	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1538
1492	sub find_async {	1539	sub find_async {
1493	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1494		1541
1495	$path = new cf::path $path, $origin && $origin->path;	1542	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1543
1498	if (my $map = $cf::MAP{$key}) {	1544	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1546	}
1501		1547
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1504		1562
1505	()	1563	()
1506	}	1564	}
1507		1565
1508	sub save {	1566	sub save {
…		…
1512		1570
1513	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1514		1572
1515	return unless $self->dirty;	1573	return unless $self->dirty;
1516		1574
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1577
1520	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1521		1579
1522	return if $self->{deny_save};	1580	return if $self->{deny_save};
1523		1581
…		…
1526	cf::async {	1584	cf::async {
1527	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1528	};	1586	};
1529		1587
1530	if ($uniq) {	1588	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1591	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1593	}
1536	}	1594	}
1537		1595
1538	sub swap_out {	1596	sub swap_out {
1539	my ($self) = @_;	1597	my ($self) = @_;
…		…
1553		1611
1554	sub reset_at {	1612	sub reset_at {
1555	my ($self) = @_;	1613	my ($self) = @_;
1556		1614
1557	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1560		1618
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1621
…		…
1568	my ($self) = @_;	1626	my ($self) = @_;
1569		1627
1570	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1571	}	1629	}
1572		1630
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1631	sub reset {
1587	my ($self) = @_;	1632	my ($self) = @_;
1588		1633
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1635
1591	return if $self->players;	1636	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1593		1638
1594	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1595		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
1596	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
1597		1652
		1653	$self->clear;
		1654
1598	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1599		1656
1600	$self->{path}->unlink_save;	1657	$self->unlink_save;
1601	$self->destroy;	1658	$self->destroy;
1602	}	1659	}
1603		1660
1604	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1605		1662
1606	sub nuke {	1663	sub nuke {
1607	my ($self) = @_;	1664	my ($self) = @_;
1608		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1612	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1613	}	1679	}
1614		1680
1615	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1616		1682
1617	Returns an arrayref of cf::path's of all shared maps that have	1683	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1684	instantiated unique items. May block.
1619		1685
1620	=cut	1686	=cut
1621		1687
1622	sub unique_maps() {	1688	sub unique_maps() {
…		…
1628	for (@$files) {	1694	for (@$files) {
1629	utf8::decode $_;	1695	utf8::decode $_;
1630	next if /\.pst$/;	1696	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1632		1698
1633	push @paths, new cf::path $_;	1699	push @paths, cf::map::normalise $_;
1634	}	1700	}
1635		1701
1636	\@paths	1702	\@paths
1637	}	1703	}
1638		1704
…		…
1713		1779
1714	=item $player_object->enter_link	1780	=item $player_object->enter_link
1715		1781
1716	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}>).
1717		1783
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1720		1786
		1787	Will never block.
		1788
1721	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1722		1790
1723	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1794	fails, to the emergency map position.
1727		1795
1728	Might block.	1796	Might block.
1729		1797
1730	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($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	$LINK_MAP
		1808	}
1731		1809
1732	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1811	my ($self) = @_;
1734		1812
1735	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1736		1814
1737	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1816
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1818	if $self->map;
1741		1819
1742	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1821	}
1744		1822
1745	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1747		1825
…		…
1769	$map->load;	1847	$map->load;
1770	$map->load_diag;	1848	$map->load_diag;
1771		1849
1772	return unless $self->contr->active;	1850	return unless $self->contr->active;
1773	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1775	}	1855	}
1776		1856
1777	cf::player->attach (	1857	cf::player->attach (
1778	on_logout => sub {	1858	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1872	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1795	(async {	1875	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1800	. "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.",
1801	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
1802	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1804	})->prio (2);	1884	})->prio (2);
1805	}	1885	}
1806	},	1886	},
…		…
1811	=cut	1891	=cut
1812		1892
1813	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1815		1895
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1896	$self->enter_link;
1819		1897
1820	(async {	1898	(async {
		1899	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1823		1902	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1825	# if $map;
1826
1827	$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);
1828		1905
1829	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1907	})->prio (1);
1831	}	1908	}
1832		1909
…		…
1836		1913
1837	sub parse_random_map_params {	1914	sub parse_random_map_params {
1838	my ($spec) = @_;	1915	my ($spec) = @_;
1839		1916
1840	my $rmp = { # defaults	1917	my $rmp = { # defaults
1841	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1843	};	1922	};
1844		1923
1845	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1847		1926
…		…
1851	$rmp	1930	$rmp
1852	}	1931	}
1853		1932
1854	sub prepare_random_map {	1933	sub prepare_random_map {
1855	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1937
1857	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1940	# that depends on the exit object
1860		1941
1861	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1862		1943
1863	if ($exit->map) {	1944	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1868	}	1949	}
1869		1950
1870	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1871		1952
1872	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1956
1875	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) {
1876	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;
1877		1961
1878	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1963	$exit->msg (undef);
1880	}	1964	}
1881	}	1965	}
1882		1966
1883	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1885		1969
1886	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;
1887		1980
1888	$self->enter_link;	1981	$self->enter_link;
1889		1982
1890	(async {	1983	(async {
1891	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1985	unless (eval {
1893	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		1987
1899	1;	1988	1;
1900	}) {	1989	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1922		2011
1923	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1925		2014
1926	utf8::encode $text;	2015	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2017	}
1929		2018
1930		2019
1931	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1932		2021
…		…
1963	# get handled first	2052	# get handled first
1964	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2055
1967	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2058
1969	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1970		2060
1971	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2062	if (@$queue) {
…		…
2030		2120
2031	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
2032		2122
2033	=pod	2123	=pod
2034		2124
2035	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
2036		2126
2037	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2128	cf::object::player player
2039	cf::player peaceful	2129	cf::player peaceful
2040	cf::map trigger	2130	cf::map trigger
…		…
2133	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
2134	using it, it should be unique.	2224	using it, it should be unique.
2135		2225
2136	=over 4	2226	=over 4
2137		2227
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2145		2229
2146	Returns a single value from the database	2230	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2231
2153	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2154		2233
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2235
2166	=cut	2236	=cut
2167		2237
2168	our $DB;	2238	our $DB;
2169		2239
2170	{	2240	sub db_init {
		2241	unless ($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
2171	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;
2172		2259
2173	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2264
2177	my $pid;	2265	unlink $path;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2266	};
2187	}	2267	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2268	}
		2269	}
2199		2270
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2271	sub db_get($$) {
2206	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2211	sub db_put($$;$) {	2282	sub db_put($$$) {
2212	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2213	$DB->{$_[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;
2214	} else {	2321	} else {
2215	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2323	}
2225	);	2324	Coro::cede;
2226	}	2325	}
2227		2326
2228	#############################################################################	2327	1
2229	# 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	}
2230		2340
2231	sub cfg_load {	2341	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2343	or return;
2234		2344
…		…
2251		2361
2252	sub main {	2362	sub main {
2253	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2255	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 {
2256	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2257	};	2369	};
2258		2370
2259	cfg_load;	2371	cfg_load;
2260	db_load;	2372	db_init;
2261	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2262	Event::loop;	2376	Event::loop;
2263	}	2377	}
2264		2378
2265	#############################################################################	2379	#############################################################################
2266	# initialisation and cleanup	2380	# initialisation and cleanup
2267		2381
2268	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2269	BEGIN {	2383	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2273	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2274	cb => sub {	2390	cb => sub {
2275	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2276	},	2392	},
2277	);	2393	);
2278	}	2394	}
2279	}	2395	}
…		…
2284	warn "enter emergency perl save\n";	2400	warn "enter emergency perl save\n";
2285		2401
2286	cf::sync_job {	2402	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2403	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2404	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2405	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2406	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2407	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2408	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2409	$pl->valid or next;
2294	$pl->save;	2410	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2417	$map->valid or next;
2302	$map->save;	2418	$map->save;
2303	}	2419	}
2304	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 $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2305	};	2425	};
2306		2426
2307	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2308	}	2435	}
2309		2436
2310	sub reload() {	2437	sub reload() {
2311	# can/must only be called in main	2438	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2314	return;	2441	return;
2315	}	2442	}
2316		2443
2317	warn "reloading...";	2444	warn "reloading...";
2318		2445
2319	warn "freezing server";	2446	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2322		2452
2323	warn "sync database to disk";	2453	warn "syncing database to disk";
2324	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2455
2327	eval {
2328	# 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
2329		2457
2330	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2461	}
2334		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2335	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2476	%EXT_CORO = ();
2338		2477
2339	warn "remove commands";	2478	warn "removing commands";
2340	%COMMAND = ();	2479	%COMMAND = ();
2341		2480
2342	warn "remove ext commands";	2481	warn "removing ext commands";
2343	%EXTCMD = ();	2482	%EXTCMD = ();
2344		2483
2345	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2486	warn "... unloading $pkg";
2348		2487
2349	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2489	eval {
…		…
2355		2494
2356	warn "... nuking $pkg";	2495	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2358	}	2497	}
2359		2498
2360	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2502
2364	warn "removing <$k>";	2503	warn "... unloading $k";
2365	delete $INC{$k};	2504	delete $INC{$k};
2366		2505
2367	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2369		2508
…		…
2372	}	2511	}
2373		2512
2374	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2375	}	2514	}
2376		2515
2377	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2379	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);
2380		2519
2381	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2383		2522
2384	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2524	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2387		2526
		2527	warn "unload completed, starting to reload now";
		2528
2388	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2389	require cf;	2530	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2532
2392	warn "load config and database again";	2533	warn "loading config and database again";
2393	cf::cfg_load;	2534	cf::cfg_load;
2394	cf::db_load;
2395		2535
2396	warn "load extensions";	2536	warn "loading extensions";
2397	cf::load_extensions;	2537	cf::load_extensions;
2398		2538
2399	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2540	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2403	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2404		2545
2405	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2406	warn $@;	2553	warn $@;
2407	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2408	exit 1;	2555	exit 1;
2409	}	2556	};
2410		2557
2411	warn "reloaded";	2558	warn "reloaded";
2412	};	2559	};
2413		2560
2414	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}
2456		2562
2457	register_command "reload" => sub {	2563	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2459		2565
2460	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2461	$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 {
2462	reload;	2577	reload;
2463	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2464	}	2581	}
2465	};	2582	};
2466		2583
2467	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2468		2587
2469	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2471	prio => 0,	2591	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2474	cb => sub {	2594	cb => sub {
		2595	if ($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
2475	$NOW = Event::time;	2601	$NOW = Event::time;
2476		2602
2477	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2480		2606
		2607	if ($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
2481	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2482	$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#
2483		2620
2484	# 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
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2623
2487	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2489	},	2626	},
2490	);	2627	);
2491		2628
		2629	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2493		2631	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2632	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2496	poll => 'r',	2634	poll => 'r',
2497	prio => 5,	2635	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2504	after => 0,	2637	cb => \&BDB::poll_cb,
2505	interval => 10,	2638	);
2506	cb => sub {	2639	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2640
2508	write_runtime	2641	BDB::set_sync_prepare {
2509	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 $@;
2510	})->();	2675	};
2511	},	2676	}
2512	);	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	}
2513		2693
2514	END { cf::emergency_save }	2694	END { cf::emergency_save }
2515		2695
2516	1	2696	1
2517		2697

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