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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 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;
…		…
361	}	376	}
362		377
363	=back	378	=back
364		379
365	=cut	380	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		381
523	#############################################################################	382	#############################################################################
524		383
525	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
526		385
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	512	our @CB_MAP = ();
654		513
655	my %attachment;	514	my %attachment;
656		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
657	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
659		524
660	use sort 'stable';	525	use sort 'stable';
661		526
…		…
832	# object support	697	# object support
833		698
834	sub reattach {	699	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		704
838	my $registry = $obj->registry;	705	my $registry = $obj->registry;
839		706
840	@$registry = ();	707	@$registry = ();
841		708
…		…
888	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
889		756
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	761	close $fh;
895		762
896	if (@$objs) {	763	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	769	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
904	}	771	}
905	} else {	772	} else {
906	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
1028	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1031	. "\n};\n1";	898	. "\n};\n1";
1032		899
1033	eval $source	900	unless (eval $source) {
1034	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1035	: "extension disabled.\n";	902	: "extension disabled.\n";
		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		904	warn $@;
		905	warn "mandatory extension failed to load, exiting.\n";
		906	exit 1;
		907	}
		908	die $@;
		909	}
1036		910
1037	push @EXTS, $pkg;	911	push @EXTS, $pkg;
1038	}	912	}
1039		913
1040	sub load_extensions {	914	sub load_extensions {
…		…
1046	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1047	}	921	}
1048	}	922	}
1049		923
1050	#############################################################################	924	#############################################################################
1051	# load/save/clean perl data associated with a map
1052
1053	*cf::mapsupport::on_clean = sub {
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		925
1066	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1067		927
1068	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1069		929
…		…
1105		965
1106	sub exists($) {	966	sub exists($) {
1107	my ($login) = @_;	967	my ($login) = @_;
1108		968
1109	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1111	}	971	}
1112		972
1113	sub find($) {	973	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	975	my $login = $_[0];
…		…
1161		1021
1162	=cut	1022	=cut
1163		1023
1164	sub quit_character {	1024	sub quit_character {
1165	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1166		1028
1167	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1031
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1180	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1181	}	1063	}
1182		1064
1183	=item cf::player::list_logins	1065	=item cf::player::list_logins
1184		1066
1185	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1205	\@logins	1087	\@logins
1206	}	1088	}
1207		1089
1208	=item $player->maps	1090	=item $player->maps
1209		1091
1210	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1211	player. May block.	1093	player. May block.
1212		1094
1213	=cut	1095	=cut
1214		1096
1215	sub maps($) {	1097	sub maps($) {
1216	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1101
1218	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1219	or return;	1103	or return;
1220		1104
1221	my @paths;	1105	my @paths;
…		…
1223	for (@$files) {	1107	for (@$files) {
1224	utf8::decode $_;	1108	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1110	next unless /^$PATH_SEP/o;
1227		1111
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1112	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1113	}
1230		1114
1231	\@paths	1115	\@paths
1232	}	1116	}
1233		1117
…		…
1259	package cf::map;	1143	package cf::map;
1260		1144
1261	use Fcntl;	1145	use Fcntl;
1262	use Coro::AIO;	1146	use Coro::AIO;
1263		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1264	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1266		1154
1267	sub generate_random_map {	1155	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1158	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1170	)
1285	}	1171	}
1286		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1300	}
		1301
1287	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1288	# all maps in C++...	1303	# all maps in C++...
1289	sub change_all_map_light {	1304	sub change_all_map_light {
1290	my ($change) = @_;	1305	my ($change) = @_;
1291		1306
1292	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1294	}	1309	}
1295		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1296	sub load_map_header($) {	1319	sub load_header_from($) {
1297	my ($path) = @_;	1320	my ($self, $path) = @_;
1298		1321
1299	utf8::encode $path;	1322	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1301	or return;	1327	or return;
1302		1328
1303	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1304	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1305		1375
1306	# for better error messages only, will be overwritten later	1376	1
1307	$map->path ($path);
1308
1309	$map->load_header ($path)
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1377	}
1316		1378
1317	sub find;	1379	sub find;
1318	sub find {	1380	sub find {
1319	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1320		1382
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1384
1326	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1327		1386
1328	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1330		1389	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1390	or return;
1345		1391
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1358		1393
1359	Coro::cede;	1394	$map->load_header
		1395	or return;
1360		1396
1361	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1400	$map->reset;
1363	undef $guard;	1401	undef $guard;
1364	$map = find $path	1402	return find $path;
1365	or return;
1366	}	1403	}
1367		1404
1368	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1369	}	1406	}
1370	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1371		1411
1372	sub load {	1412	sub load {
1373	my ($self) = @_;	1413	my ($self) = @_;
1374		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1375	my $path = $self->{path};	1417	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1377		1419
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1421
1380	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1381		1423
1382	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1383	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1429	or return;
1385		1430
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1432	if delete $self->{load_original};
1388		1433
1389	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1435	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1437	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1394	}	1439	}
1395	}	1440	}
1396		1441
1397	Coro::cede;	1442	Coro::cede;
1398		1443
1399	# now do the right thing for maps	1444	# now do the right thing for maps
1400	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1401		1446
1402	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1448	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1409	$self->set_darkness_map;	1452	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1412	$self->activate;	1456	$self->activate;
1413	}	1457	}
1414		1458
1415	Coro::cede;	1459	$self->post_load;
1416		1460
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1418	}	1471	}
1419		1472
1420	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1474	sub load_diag {
1422	my ($map) = @_;	1475	my ($map) = @_;
…		…
1452		1505
1453	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1454	}	1507	}
1455		1508
1456	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1511
1472	sub find_async {	1512	sub find_async {
1473	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1474		1514
1475	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1516
1478	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1519	}
1481		1520
1482	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1483	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1484		1535
1485	()	1536	()
1486	}	1537	}
1487		1538
1488	sub save {	1539	sub save {
…		…
1492		1543
1493	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1494		1545
1495	return unless $self->dirty;	1546	return unless $self->dirty;
1496		1547
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1550
1500	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1501		1552
1502	return if $self->{deny_save};	1553	return if $self->{deny_save};
1503		1554
…		…
1506	cf::async {	1557	cf::async {
1507	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1508	};	1559	};
1509		1560
1510	if ($uniq) {	1561	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1564	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1566	}
1516	}	1567	}
1517		1568
1518	sub swap_out {	1569	sub swap_out {
1519	my ($self) = @_;	1570	my ($self) = @_;
…		…
1533		1584
1534	sub reset_at {	1585	sub reset_at {
1535	my ($self) = @_;	1586	my ($self) = @_;
1536		1587
1537	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1540		1591
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1594
…		…
1548	my ($self) = @_;	1599	my ($self) = @_;
1549		1600
1550	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1551	}	1602	}
1552		1603
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1604	sub reset {
1575	my ($self) = @_;	1605	my ($self) = @_;
1576		1606
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1608
1579	return if $self->players;	1609	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1581		1611
1582	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1583		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1584	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1585		1627
1586	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1587		1629
1588	$self->unlink_save;	1630	$self->unlink_save;
1589	$self->destroy;	1631	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1593		1635
1594	sub nuke {	1636	sub nuke {
1595	my ($self) = @_;	1637	my ($self) = @_;
1596		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1600	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1601	}	1652	}
1602		1653
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1654	=item cf::map::unique_maps
1614		1655
1615	Returns an arrayref of cf::path's of all shared maps that have	1656	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1657	instantiated unique items. May block.
1617		1658
1618	=cut	1659	=cut
1619		1660
1620	sub unique_maps() {	1661	sub unique_maps() {
…		…
1626	for (@$files) {	1667	for (@$files) {
1627	utf8::decode $_;	1668	utf8::decode $_;
1628	next if /\.pst$/;	1669	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1670	next unless /^$PATH_SEP/o;
1630		1671
1631	push @paths, new cf::path $_;	1672	push @paths, cf::map::normalise $_;
1632	}	1673	}
1633		1674
1634	\@paths	1675	\@paths
1635	}	1676	}
1636		1677
…		…
1711		1752
1712	=item $player_object->enter_link	1753	=item $player_object->enter_link
1713		1754
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1756
1716	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1718		1759
		1760	Will never block.
		1761
1719	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1720		1763
1721	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1767	fails, to the emergency map position.
1725		1768
1726	Might block.	1769	Might block.
1727		1770
1728	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1729		1782
1730	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1784	my ($self) = @_;
1732		1785
1733	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1734		1787
1735	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1789
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1791	if $self->map;
1739		1792
1740	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1794	}
1742		1795
1743	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1745		1798
…		…
1767	$map->load;	1820	$map->load;
1768	$map->load_diag;	1821	$map->load_diag;
1769		1822
1770	return unless $self->contr->active;	1823	return unless $self->contr->active;
1771	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1773	}	1828	}
1774		1829
1775	cf::player->attach (	1830	cf::player->attach (
1776	on_logout => sub {	1831	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1845	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1793	(async {	1848	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1802	})->prio (2);	1857	})->prio (2);
1803	}	1858	}
1804	},	1859	},
…		…
1809	=cut	1864	=cut
1810		1865
1811	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1813		1868
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1869	$self->enter_link;
1817		1870
1818	(async {	1871	(async {
		1872	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1821		1875	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1878
1827	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1880	})->prio (1);
1829	}	1881	}
1830		1882
…		…
1834		1886
1835	sub parse_random_map_params {	1887	sub parse_random_map_params {
1836	my ($spec) = @_;	1888	my ($spec) = @_;
1837		1889
1838	my $rmp = { # defaults	1890	my $rmp = { # defaults
1839	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1841	};	1895	};
1842		1896
1843	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1845		1899
…		…
1849	$rmp	1903	$rmp
1850	}	1904	}
1851		1905
1852	sub prepare_random_map {	1906	sub prepare_random_map {
1853	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1910
1855	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1913	# that depends on the exit object
1858		1914
1859	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1860		1916
1861	if ($exit->map) {	1917	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1866	}	1922	}
1867		1923
1868	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1869		1925
1870	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1929
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1875		1934
1876	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1936	$exit->msg (undef);
1878	}	1937	}
1879	}	1938	}
1880		1939
1881	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1883		1942
1884	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1885		1953
1886	$self->enter_link;	1954	$self->enter_link;
1887		1955
1888	(async {	1956	(async {
1889	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1958	unless (eval {
1891	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		1960
1897	1;	1961	1;
1898	}) {	1962	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
…		…
1920		1984
1921	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1923		1987
1924	utf8::encode $text;	1988	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	1990	}
1927		1991
1928		1992
1929	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1930		1994
…		…
1961	# get handled first	2025	# get handled first
1962	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2028
1965	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2031
1967	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1968		2033
1969	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2035	if (@$queue) {
…		…
2028		2093
2029	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
2030		2095
2031	=pod	2096	=pod
2032		2097
2033	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
2034		2099
2035	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2101	cf::object::player player
2037	cf::player peaceful	2102	cf::player peaceful
2038	cf::map trigger	2103	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2197	using it, it should be unique.
2133		2198
2134	=over 4	2199	=over 4
2135		2200
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2143		2202
2144	Returns a single value from the database	2203	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2204
2151	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2152		2206
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2208
2164	=cut	2209	=cut
2165		2210
2166	our $DB;	2211	our $DB;
2167		2212
2168	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2169	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2170		2232
2171	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2237
2175	my $pid;	2238	unlink $path;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2239	};
2185	}	2240	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2241	}
		2242	}
2197		2243
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2244	sub db_get($$) {
2204	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2209	sub db_put($$;$) {	2255	sub db_put($$$) {
2210	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2212	} else {	2293	} else {
2213	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2295	}
2223	);	2296	Coro::cede;
2224	}	2297	}
2225		2298
2226	#############################################################################	2299	1
2227	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2228		2312
2229	sub cfg_load {	2313	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2315	or return;
2232		2316
…		…
2249		2333
2250	sub main {	2334	sub main {
2251	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2254	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2255	};	2341	};
2256		2342
2257	cfg_load;	2343	cfg_load;
2258	db_load;	2344	db_init;
2259	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2260	Event::loop;	2348	Event::loop;
2261	}	2349	}
2262		2350
2263	#############################################################################	2351	#############################################################################
2264	# initialisation and cleanup	2352	# initialisation and cleanup
2265		2353
2266	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2267	BEGIN {	2355	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2271	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2272	cb => sub {	2362	cb => sub {
2273	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2274	},	2364	},
2275	);	2365	);
2276	}	2366	}
2277	}	2367	}
…		…
2282	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2283		2373
2284	cf::sync_job {	2374	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2381	$pl->valid or next;
2292	$pl->save;	2382	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2389	$map->valid or next;
2300	$map->save;	2390	$map->save;
2301	}	2391	}
2302	warn "end emergency map save\n";	2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2303	};	2397	};
2304		2398
2305	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2306	}	2407	}
2307		2408
2308	sub reload() {	2409	sub reload() {
2309	# can/must only be called in main	2410	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2312	return;	2413	return;
2313	}	2414	}
2314		2415
2315	warn "reloading...";	2416	warn "reloading...";
2316		2417
2317	warn "freezing server";	2418	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2320		2424
2321	warn "sync database to disk";	2425	warn "syncing database to disk";
2322	cf::db_sync;	2426	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2427
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2327		2429
2328	warn "cancel all watchers";	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2433	}
2332		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2333	warn "cancel all extension coros";	2446	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2448	%EXT_CORO = ();
2336		2449
2337	warn "remove commands";	2450	warn "removing commands";
2338	%COMMAND = ();	2451	%COMMAND = ();
2339		2452
2340	warn "remove ext commands";	2453	warn "removing ext commands";
2341	%EXTCMD = ();	2454	%EXTCMD = ();
2342		2455
2343	warn "unload/nuke all extensions";	2456	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2457	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2458	warn "... unloading $pkg";
2346		2459
2347	if (my $cb = $pkg->can ("unload")) {	2460	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2461	eval {
…		…
2353		2466
2354	warn "... nuking $pkg";	2467	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2468	Symbol::delete_package $pkg;
2356	}	2469	}
2357		2470
2358	warn "unload all perl modules loaded from $LIBDIR";	2471	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2474
2362	warn "removing <$k>";	2475	warn "... unloading $k";
2363	delete $INC{$k};	2476	delete $INC{$k};
2364		2477
2365	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2367		2480
…		…
2370	}	2483	}
2371		2484
2372	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2373	}	2486	}
2374		2487
2375	warn "get rid of safe::, as good as possible";	2488	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2491
2379	warn "unload cf.pm \"a bit\"";	2492	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2381		2494
2382	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2496	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2385		2498
		2499	warn "unload completed, starting to reload now";
		2500
2386	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2387	require cf;	2502	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2504
2390	warn "load config and database again";	2505	warn "loading config and database again";
2391	cf::cfg_load;	2506	cf::cfg_load;
2392	cf::db_load;
2393		2507
2394	warn "load extensions";	2508	warn "loading extensions";
2395	cf::load_extensions;	2509	cf::load_extensions;
2396		2510
2397	warn "reattach attachments to objects/players";	2511	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2512	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2513	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2401	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2402		2517
2403	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2404	warn $@;	2525	warn $@;
2405	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2406	exit 1;	2527	exit 1;
2407	}	2528	};
2408		2529
2409	warn "reloaded";	2530	warn "reloaded";
2410	};	2531	};
2411		2532
2412	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}
2454		2534
2455	register_command "reload" => sub {	2535	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2457		2537
2458	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2460	reload;	2549	reload;
2461	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2462	}	2553	}
2463	};	2554	};
2464		2555
2465	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2466		2559
2467	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2469	prio => 0,	2563	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2472	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2473	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2474	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2476		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
2477	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2479		2592
2480	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482		2595
2483	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2485	},	2598	},
2486	);	2599	);
2487		2600
		2601	{
2488	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2489		2603	$BDB_POLL_WATCHER = Event->io (
2490	Event->io (	2604	reentrant => 0,
2491	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2492	poll => 'r',	2606	poll => 'r',
2493	prio => 5,	2607	prio => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2500	after => 0,	2609	cb => \&BDB::poll_cb,
2501	interval => 10,	2610	);
2502	cb => sub {	2611	BDB::min_parallel 8;
2503	(Coro::unblock_sub {	2612
2504	write_runtime	2613	BDB::set_sync_prepare {
2505	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2506	})->();	2647	};
2507	},	2648	}
2508	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2509		2665
2510	END { cf::emergency_save }	2666	END { cf::emergency_save }
2511		2667
2512	1	2668	1
2513		2669

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