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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 1.232 by root, Wed Apr 4 02:07:19 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($$%) {
1261	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1262		1137
1263	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1264		1139
1265	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1266	}	1153	}
1267		1154
1268	package cf;	1155	package cf;
1269		1156
1270	=back	1157	=back
…		…
1279	package cf::map;	1166	package cf::map;
1280		1167
1281	use Fcntl;	1168	use Fcntl;
1282	use Coro::AIO;	1169	use Coro::AIO;
1283		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1284	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1286		1177
1287	sub generate_random_map {	1178	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1181	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1193	)
1305	}	1194	}
1306		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1323	}
		1324
1307	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1308	# all maps in C++...	1326	# all maps in C++...
1309	sub change_all_map_light {	1327	sub change_all_map_light {
1310	my ($change) = @_;	1328	my ($change) = @_;
1311		1329
1312	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1314	}	1332	}
1315		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1316	sub load_map_header($) {	1342	sub load_header_from($) {
1317	my ($path) = @_;	1343	my ($self, $path) = @_;
1318		1344
1319	utf8::encode $path;	1345	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1321	or return;	1350	or return;
1322		1351
1323	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1324	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1325		1398
1326	# for better error messages only, will be overwritten later	1399	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1400	}
1336		1401
1337	sub find;	1402	sub find;
1338	sub find {	1403	sub find {
1339	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1340		1405
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1407
1346	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1347		1409
1348	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1350		1412	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;	1413	or return;
1365		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1378		1416
1379	Coro::cede;	1417	$map->load_header
		1418	or return;
1380		1419
1381	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1423	$map->reset;
1383	undef $guard;	1424	undef $guard;
1384	$map = find $path	1425	return find $path;
1385	or return;
1386	}	1426	}
1387		1427
1388	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1389	}	1429	}
1390	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1391		1434
1392	sub load {	1435	sub load {
1393	my ($self) = @_;	1436	my ($self) = @_;
1394		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1395	my $path = $self->{path};	1440	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1397		1442
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1444
1400	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1401		1446
1402	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1403	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1452	or return;
1405		1453
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1455	if delete $self->{load_original};
1408		1456
1409	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1458	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1460	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1414	}	1462	}
1415	}	1463	}
1416		1464
1417	Coro::cede;	1465	Coro::cede;
1418		1466
1419	# now do the right thing for maps	1467	# now do the right thing for maps
1420	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1421		1469
1422	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1471	$self->decay_objects;
1427	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1428	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1429	$self->set_darkness_map;	1475	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1432	$self->activate;	1479	$self->activate;
1433	}	1480	}
1434		1481
1435	Coro::cede;	1482	$self->post_load;
1436		1483
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
1438	}	1494	}
1439		1495
1440	# find and load all maps in the 3x3 area around a map	1496	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1497	sub load_diag {
1442	my ($map) = @_;	1498	my ($map) = @_;
…		…
1472		1528
1473	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1474	}	1530	}
1475		1531
1476	our %MAP_PREFETCH;	1532	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1533	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	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1534
1492	sub find_async {	1535	sub find_async {
1493	my ($path, $origin) = @_;	1536	my ($path, $origin) = @_;
1494		1537
1495	$path = new cf::path $path, $origin && $origin->path;	1538	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1539
1498	if (my $map = $cf::MAP{$key}) {	1540	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1542	}
1501		1543
1502	$MAP_PREFETCH{$key} = $path;	1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
1503	$MAP_PREFETCHER->ready;	1557	$MAP_PREFETCHER->prio (6);
1504		1558
1505	()	1559	()
1506	}	1560	}
1507		1561
1508	sub save {	1562	sub save {
…		…
1512		1566
1513	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1514		1568
1515	return unless $self->dirty;	1569	return unless $self->dirty;
1516		1570
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1573
1520	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1521		1575
1522	return if $self->{deny_save};	1576	return if $self->{deny_save};
1523		1577
…		…
1526	cf::async {	1580	cf::async {
1527	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1528	};	1582	};
1529		1583
1530	if ($uniq) {	1584	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1587	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1589	}
1536	}	1590	}
1537		1591
1538	sub swap_out {	1592	sub swap_out {
1539	my ($self) = @_;	1593	my ($self) = @_;
…		…
1553		1607
1554	sub reset_at {	1608	sub reset_at {
1555	my ($self) = @_;	1609	my ($self) = @_;
1556		1610
1557	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1560		1614
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1617
…		…
1568	my ($self) = @_;	1622	my ($self) = @_;
1569		1623
1570	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1571	}	1625	}
1572		1626
1573	sub rename {
1574	my ($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	$self->save;
1584	}
1585
1586	sub reset {	1627	sub reset {
1587	my ($self) = @_;	1628	my ($self) = @_;
1588		1629
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1631
1591	return if $self->players;	1632	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1593		1634
1594	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1595		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1596	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
1597		1648
		1649	$self->clear;
		1650
1598	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1599		1652
1600	$self->{path}->unlink_save;	1653	$self->unlink_save;
1601	$self->destroy;	1654	$self->destroy;
1602	}	1655	}
1603		1656
1604	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1605		1658
1606	sub nuke {	1659	sub nuke {
1607	my ($self) = @_;	1660	my ($self) = @_;
1608		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1612	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1613	}	1675	}
1614		1676
1615	=item cf::map::unique_maps	1677	=item cf::map::unique_maps
1616		1678
1617	Returns an arrayref of cf::path's of all shared maps that have	1679	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1680	instantiated unique items. May block.
1619		1681
1620	=cut	1682	=cut
1621		1683
1622	sub unique_maps() {	1684	sub unique_maps() {
…		…
1628	for (@$files) {	1690	for (@$files) {
1629	utf8::decode $_;	1691	utf8::decode $_;
1630	next if /\.pst$/;	1692	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1693	next unless /^$PATH_SEP/o;
1632		1694
1633	push @paths, new cf::path $_;	1695	push @paths, cf::map::normalise $_;
1634	}	1696	}
1635		1697
1636	\@paths	1698	\@paths
1637	}	1699	}
1638		1700
…		…
1713		1775
1714	=item $player_object->enter_link	1776	=item $player_object->enter_link
1715		1777
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1779
1718	The player should be reaosnably safe there for short amounts of time. You	1780	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.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1720		1782
		1783	Will never block.
		1784
1721	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1722		1786
1723	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1790	fails, to the emergency map position.
1727		1791
1728	Might block.	1792	Might block.
1729		1793
1730	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1731		1805
1732	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1807	my ($self) = @_;
1734		1808
1735	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1736		1810
1737	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1812
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1814	if $self->map;
1741		1815
1742	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1817	}
1744		1818
1745	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1747		1821
…		…
1769	$map->load;	1843	$map->load;
1770	$map->load_diag;	1844	$map->load_diag;
1771		1845
1772	return unless $self->contr->active;	1846	return unless $self->contr->active;
1773	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1775	}	1851	}
1776		1852
1777	cf::player->attach (	1853	cf::player->attach (
1778	on_logout => sub {	1854	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1868	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1795	(async {	1871	(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,	1872	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1804	})->prio (2);	1880	})->prio (2);
1805	}	1881	}
1806	},	1882	},
…		…
1811	=cut	1887	=cut
1812		1888
1813	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1815		1891
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1892	$self->enter_link;
1819		1893
1820	(async {	1894	(async {
		1895	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1823		1898	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1901
1829	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1903	})->prio (1);
1831	}	1904	}
1832		1905
…		…
1836		1909
1837	sub parse_random_map_params {	1910	sub parse_random_map_params {
1838	my ($spec) = @_;	1911	my ($spec) = @_;
1839		1912
1840	my $rmp = { # defaults	1913	my $rmp = { # defaults
1841	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1843	};	1918	};
1844		1919
1845	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1847		1922
…		…
1851	$rmp	1926	$rmp
1852	}	1927	}
1853		1928
1854	sub prepare_random_map {	1929	sub prepare_random_map {
1855	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1933
1857	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1936	# that depends on the exit object
1860		1937
1861	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1862		1939
1863	if ($exit->map) {	1940	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1868	}	1945	}
1869		1946
1870	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1871		1948
1872	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1952
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1877		1957
1878	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1959	$exit->msg (undef);
1880	}	1960	}
1881	}	1961	}
1882		1962
1883	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1885		1965
1886	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
1887		1976
1888	$self->enter_link;	1977	$self->enter_link;
1889		1978
1890	(async {	1979	(async {
1891	$self->deactivate_recursive; # just to be sure	1980	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1981	unless (eval {
1893	prepare_random_map $exit	1982	$self->goto ($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		1983
1899	1;	1984	1;
1900	}) {	1985	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
…		…
1922		2007
1923	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1925		2010
1926	utf8::encode $text;	2011	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2013	}
1929		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1930		2027
1931	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1932		2029
1933	Queues a query to the client, calling the given callback with	2030	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2060	# get handled first
1964	my $queue = delete $ns->{query_queue}	2061	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2063
1967	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2066
1969	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1970		2068
1971	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2070	if (@$queue) {
…		…
2030		2128
2031	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
2032		2130
2033	=pod	2131	=pod
2034		2132
2035	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
2036		2134
2037	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2136	cf::object::player player
2039	cf::player peaceful	2137	cf::player peaceful
2040	cf::map trigger	2138	cf::map trigger
…		…
2133	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2232	using it, it should be unique.
2135		2233
2136	=over 4	2234	=over 4
2137		2235
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	2236	=item $value = cf::db_get $family => $key
2145		2237
2146	Returns a single value from the database	2238	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		2239
2153	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
2154		2241
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	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		2243
2166	=cut	2244	=cut
2167		2245
2168	our $DB;	2246	our $DB;
2169		2247
2170	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
2171	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
2172		2267
2173	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2269	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
		2271	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2272
2177	my $pid;	2273	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	}	2274	};
2187	}	2275	}
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	});	2276	}
		2277	}
2199		2278
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2279	sub db_get($$) {
2206	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
2211	sub db_put($$;$) {	2290	sub db_put($$$) {
2212	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
2214	} else {	2329	} else {
2215	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$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	},	2331	}
2225	);	2332	Coro::cede;
2226	}	2333	}
2227		2334
2228	#############################################################################	2335	1
2229	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
2230		2348
2231	sub cfg_load {	2349	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2351	or return;
2234		2352
…		…
2251		2369
2252	sub main {	2370	sub main {
2253	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2374	(async {
2256	async { Event::one_event };	2375	Event::one_event;
		2376	})->prio (Coro::PRIO_MAX);
2257	};	2377	};
2258		2378
2259	cfg_load;	2379	cfg_load;
2260	db_load;	2380	db_init;
2261	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
2262	Event::loop;	2384	Event::loop;
2263	}	2385	}
2264		2386
2265	#############################################################################	2387	#############################################################################
2266	# initialisation and cleanup	2388	# initialisation and cleanup
2267		2389
2268	# install some emergency cleanup handlers	2390	# install some emergency cleanup handlers
2269	BEGIN {	2391	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2392	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2393	Event->signal (
		2394	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2395	data => WF_AUTOCANCEL,
2273	signal => $signal,	2396	signal => $signal,
		2397	prio => 0,
2274	cb => sub {	2398	cb => sub {
2275	cf::cleanup "SIG$signal";	2399	cf::cleanup "SIG$signal";
2276	},	2400	},
2277	);	2401	);
2278	}	2402	}
2279	}	2403	}
…		…
2284	warn "enter emergency perl save\n";	2408	warn "enter emergency perl save\n";
2285		2409
2286	cf::sync_job {	2410	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2411	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2412	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2413	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2414	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2415	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2416	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2417	$pl->valid or next;
2294	$pl->save;	2418	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2424	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2425	$map->valid or next;
2302	$map->save;	2426	$map->save;
2303	}	2427	}
2304	warn "end emergency map save\n";	2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
2305	};	2433	};
2306		2434
2307	warn "leave emergency perl save\n";	2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
2308	}	2443	}
2309		2444
2310	sub reload() {	2445	sub reload() {
2311	# can/must only be called in main	2446	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
2314	return;	2449	return;
2315	}	2450	}
2316		2451
2317	warn "reloading...";	2452	warn "reloading...";
2318		2453
2319	warn "freezing server";	2454	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
2322		2460
2323	warn "sync database to disk";	2461	warn "syncing database to disk";
2324	cf::db_sync;	2462	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2463
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
2329		2465
2330	warn "cancel all watchers";	2466	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2469	}
2334		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
2335	warn "cancel all extension coros";	2482	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2484	%EXT_CORO = ();
2338		2485
2339	warn "remove commands";	2486	warn "removing commands";
2340	%COMMAND = ();	2487	%COMMAND = ();
2341		2488
2342	warn "remove ext commands";	2489	warn "removing ext commands";
2343	%EXTCMD = ();	2490	%EXTCMD = ();
2344		2491
2345	warn "unload/nuke all extensions";	2492	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2493	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2494	warn "... unloading $pkg";
2348		2495
2349	if (my $cb = $pkg->can ("unload")) {	2496	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2497	eval {
…		…
2355		2502
2356	warn "... nuking $pkg";	2503	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2504	Symbol::delete_package $pkg;
2358	}	2505	}
2359		2506
2360	warn "unload all perl modules loaded from $LIBDIR";	2507	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2510
2364	warn "removing <$k>";	2511	warn "... unloading $k";
2365	delete $INC{$k};	2512	delete $INC{$k};
2366		2513
2367	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
2369		2516
…		…
2372	}	2519	}
2373		2520
2374	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
2375	}	2522	}
2376		2523
2377	warn "get rid of safe::, as good as possible";	2524	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2527
2381	warn "unload cf.pm \"a bit\"";	2528	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
2383		2530
2384	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2532	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
2387		2534
		2535	warn "unload completed, starting to reload now";
		2536
2388	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
2389	require cf;	2538	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2540
2392	warn "load config and database again";	2541	warn "loading config and database again";
2393	cf::cfg_load;	2542	cf::cfg_load;
2394	cf::db_load;
2395		2543
2396	warn "load extensions";	2544	warn "loading extensions";
2397	cf::load_extensions;	2545	cf::load_extensions;
2398		2546
2399	warn "reattach attachments to objects/players";	2547	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2548	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2549	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2550	reattach $_ for values %MAP;
2403	};	2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
2404		2553
2405	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
2406	warn $@;	2561	warn $@;
2407	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
2408	exit 1;	2563	exit 1;
2409	}	2564	};
2410		2565
2411	warn "reloaded";	2566	warn "reloaded";
2412	};	2567	};
2413		2568
2414	#############################################################################	2569	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} = $LINK_MAP;
2455	}
2456		2570
2457	register_command "reload" => sub {	2571	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
2459		2573
2460	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
2462	reload;	2585	reload;
2463	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
2464	}	2589	}
2465	};	2590	};
2466		2591
2467	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
2468		2595
2469	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2471	prio => 0,	2599	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2474	cb => sub {	2602	cb => sub {
		2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
2475	$NOW = Event::time;	2609	$NOW = Event::time;
2476		2610
2477	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
2480		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
2481	$WAIT_FOR_TICK->broadcast;	2623	$WAIT_FOR_TICK->broadcast;
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2483		2628
2484	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2631
2487	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2489	},	2634	},
2490	);	2635	);
2491		2636
		2637	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2493		2639	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2640	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2496	poll => 'r',	2642	poll => 'r',
2497	prio => 5,	2643	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2504	after => 0,	2645	cb => \&BDB::poll_cb,
2505	interval => 10,	2646	);
2506	cb => sub {	2647	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2648
2508	write_runtime	2649	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2683	};
2511	},	2684	}
2512	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
2513		2701
2514	END { cf::emergency_save }	2702	END { cf::emergency_save }
2515		2703
2516	1	2704	1
2517		2705

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