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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.227 by root, Fri Mar 23 18:32:48 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		381
522	#############################################################################	382	#############################################################################
523		383
524	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
525		385
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	512	our @CB_MAP = ();
653		513
654	my %attachment;	514	my %attachment;
655		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
656	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
658		524
659	use sort 'stable';	525	use sort 'stable';
660		526
…		…
831	# object support	697	# object support
832		698
833	sub reattach {	699	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		704
837	my $registry = $obj->registry;	705	my $registry = $obj->registry;
838		706
839	@$registry = ();	707	@$registry = ();
840		708
…		…
887	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
888		756
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	761	close $fh;
894		762
895	if (@$objs) {	763	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	769	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
903	}	771	}
904	} else {	772	} else {
905	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1030	. "\n};\n1";	898	. "\n};\n1";
1031		899
1032	eval $source	900	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		910
1036	push @EXTS, $pkg;	911	push @EXTS, $pkg;
1037	}	912	}
1038		913
1039	sub load_extensions {	914	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1046	}	921	}
1047	}	922	}
1048		923
1049	#############################################################################	924	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		925
1065	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1066		927
1067	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1068		929
…		…
1104		965
1105	sub exists($) {	966	sub exists($) {
1106	my ($login) = @_;	967	my ($login) = @_;
1107		968
1108	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1110	}	971	}
1111		972
1112	sub find($) {	973	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	975	my $login = $_[0];
…		…
1160		1021
1161	=cut	1022	=cut
1162		1023
1163	sub quit_character {	1024	sub quit_character {
1164	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1165		1028
1166	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1167	$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
1168		1031
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1063	}
1181		1064
1182	=item cf::player::list_logins	1065	=item cf::player::list_logins
1183		1066
1184	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
…		…
1204	\@logins	1087	\@logins
1205	}	1088	}
1206		1089
1207	=item $player->maps	1090	=item $player->maps
1208		1091
1209	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
1210	player. May block.	1093	player. May block.
1211		1094
1212	=cut	1095	=cut
1213		1096
1214	sub maps($) {	1097	sub maps($) {
1215	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1101
1217	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1218	or return;	1103	or return;
1219		1104
1220	my @paths;	1105	my @paths;
…		…
1222	for (@$files) {	1107	for (@$files) {
1223	utf8::decode $_;	1108	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1110	next unless /^$PATH_SEP/o;
1226		1111
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1112	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1113	}
1229		1114
1230	\@paths	1115	\@paths
1231	}	1116	}
1232		1117
…		…
1258	package cf::map;	1143	package cf::map;
1259		1144
1260	use Fcntl;	1145	use Fcntl;
1261	use Coro::AIO;	1146	use Coro::AIO;
1262		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1263	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1265		1154
1266	sub generate_random_map {	1155	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1158	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		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
1283	}	1300	}
1284		1301
1285	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1286	# all maps in C++...	1303	# all maps in C++...
1287	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1289		1306
1290	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1292	}	1309	}
1293		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
1294	sub load_map_header($) {	1319	sub load_header_from($) {
1295	my ($path) = @_;	1320	my ($self, $path) = @_;
1296		1321
1297	utf8::encode $path;	1322	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1299	or return;	1327	or return;
1300		1328
1301	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
1302	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1303		1375
1304	# for better error messages only, will be overwritten later	1376	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1377	}
1314		1378
1315	sub find;	1379	sub find;
1316	sub find {	1380	sub find {
1317	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1318		1382
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1384
1324	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1325		1386
1326	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1328		1389	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1390	or return;
1343		1391
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1356		1393
1357	Coro::cede;	1394	$map->load_header
		1395	or return;
1358		1396
1359	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;
1360	$map->reset;	1400	$map->reset;
1361	undef $guard;	1401	undef $guard;
1362	$map = find $path	1402	return find $path;
1363	or return;
1364	}	1403	}
1365		1404
1366	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1367	}	1406	}
1368	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1369		1411
1370	sub load {	1412	sub load {
1371	my ($self) = @_;	1413	my ($self) = @_;
1372		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1373	my $path = $self->{path};	1417	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1375		1419
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1421
1378	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1379		1423
1380	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1381	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1429	or return;
1383		1430
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1432	if delete $self->{load_original};
1386		1433
1387	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1435	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1437	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1392	}	1439	}
1393	}	1440	}
1394		1441
1395	Coro::cede;	1442	Coro::cede;
1396		1443
1397	# now do the right thing for maps	1444	# now do the right thing for maps
1398	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1399		1446
1400	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1448	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1407	$self->set_darkness_map;	1452	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1410	$self->activate;	1456	$self->activate;
1411	}	1457	}
1412		1458
1413	Coro::cede;	1459	$self->post_load;
1414		1460
1415	$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
1416	}	1471	}
1417		1472
1418	# 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
1419	sub load_diag {	1474	sub load_diag {
1420	my ($map) = @_;	1475	my ($map) = @_;
…		…
1450		1505
1451	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1452	}	1507	}
1453		1508
1454	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1511
1470	sub find_async {	1512	sub find_async {
1471	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1472		1514
1473	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1516
1476	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1519	}
1479		1520
1480	$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	};
1481	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1482		1535
1483	()	1536	()
1484	}	1537	}
1485		1538
1486	sub save {	1539	sub save {
…		…
1490		1543
1491	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1492		1545
1493	return unless $self->dirty;	1546	return unless $self->dirty;
1494		1547
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1550
1498	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1499		1552
1500	return if $self->{deny_save};	1553	return if $self->{deny_save};
1501		1554
…		…
1504	cf::async {	1557	cf::async {
1505	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1506	};	1559	};
1507		1560
1508	if ($uniq) {	1561	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1564	} else {
1512	$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);
1513	}	1566	}
1514	}	1567	}
1515		1568
1516	sub swap_out {	1569	sub swap_out {
1517	my ($self) = @_;	1570	my ($self) = @_;
…		…
1531		1584
1532	sub reset_at {	1585	sub reset_at {
1533	my ($self) = @_;	1586	my ($self) = @_;
1534		1587
1535	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1538		1591
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	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;
1541		1594
…		…
1546	my ($self) = @_;	1599	my ($self) = @_;
1547		1600
1548	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1549	}	1602	}
1550		1603
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1604	sub reset {
1573	my ($self) = @_;	1605	my ($self) = @_;
1574		1606
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1608
1577	return if $self->players;	1609	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1579		1611
1580	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1581		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
1582	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1583		1627
1584	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1585		1629
1586	$self->unlink_save;	1630	$self->unlink_save;
1587	$self->destroy;	1631	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1591		1635
1592	sub nuke {	1636	sub nuke {
1593	my ($self) = @_;	1637	my ($self) = @_;
1594		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1598	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1599	}	1652	}
1600		1653
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1654	=item cf::map::unique_maps
1612		1655
1613	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
1614	instantiated unique items. May block.	1657	instantiated unique items. May block.
1615		1658
1616	=cut	1659	=cut
1617		1660
1618	sub unique_maps() {	1661	sub unique_maps() {
…		…
1624	for (@$files) {	1667	for (@$files) {
1625	utf8::decode $_;	1668	utf8::decode $_;
1626	next if /\.pst$/;	1669	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1670	next unless /^$PATH_SEP/o;
1628		1671
1629	push @paths, new cf::path $_;	1672	push @paths, cf::map::normalise $_;
1630	}	1673	}
1631		1674
1632	\@paths	1675	\@paths
1633	}	1676	}
1634		1677
…		…
1709		1752
1710	=item $player_object->enter_link	1753	=item $player_object->enter_link
1711		1754
1712	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}>).
1713		1756
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1716		1759
		1760	Will never block.
		1761
1717	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1718		1763
1719	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
1720	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
1721	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
1722	to the emergency map position.	1767	fails, to the emergency map position.
1723		1768
1724	Might block.	1769	Might block.
1725		1770
1726	=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	}
1727		1782
1728	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1784	my ($self) = @_;
1730		1785
1731	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1732		1787
1733	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1789
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1791	if $self->map;
1737		1792
1738	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1794	}
1740		1795
1741	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1743		1798
…		…
1765	$map->load;	1820	$map->load;
1766	$map->load_diag;	1821	$map->load_diag;
1767		1822
1768	return unless $self->contr->active;	1823	return unless $self->contr->active;
1769	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1771	}	1828	}
1772		1829
1773	cf::player->attach (	1830	cf::player->attach (
1774	on_logout => sub {	1831	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1845	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1791	(async {	1848	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1796	. "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.",
1797	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
1798	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1800	})->prio (2);	1857	})->prio (2);
1801	}	1858	}
1802	},	1859	},
…		…
1807	=cut	1864	=cut
1808		1865
1809	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1811		1868
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1869	$self->enter_link;
1815		1870
1816	(async {	1871	(async {
		1872	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1819		1875	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1821	# if $map;
1822
1823	$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);
1824		1878
1825	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1880	})->prio (1);
1827	}	1881	}
1828		1882
…		…
1832		1886
1833	sub parse_random_map_params {	1887	sub parse_random_map_params {
1834	my ($spec) = @_;	1888	my ($spec) = @_;
1835		1889
1836	my $rmp = { # defaults	1890	my $rmp = { # defaults
1837	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1839	};	1895	};
1840		1896
1841	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1843		1899
…		…
1847	$rmp	1903	$rmp
1848	}	1904	}
1849		1905
1850	sub prepare_random_map {	1906	sub prepare_random_map {
1851	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1910
1853	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1913	# that depends on the exit object
1856		1914
1857	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1858		1916
1859	if ($exit->map) {	1917	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1864	}	1922	}
1865		1923
1866	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1867		1925
1868	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1929
1871	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) {
1872	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;
1873		1934
1874	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1936	$exit->msg (undef);
1876	}	1937	}
1877	}	1938	}
1878		1939
1879	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1881		1942
1882	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;
1883		1953
1884	$self->enter_link;	1954	$self->enter_link;
1885		1955
1886	(async {	1956	(async {
1887	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1958	unless (eval {
1889	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		1960
1895	1;	1961	1;
1896	}) {	1962	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
…		…
1918		1984
1919	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1921		1987
1922	utf8::encode $text;	1988	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	1990	}
1925		1991
1926		1992
1927	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1928		1994
…		…
1959	# get handled first	2025	# get handled first
1960	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1961	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
1962		2028
1963	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2031
1965	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1966		2033
1967	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2035	if (@$queue) {
…		…
2129	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
2130	using it, it should be unique.	2197	using it, it should be unique.
2131		2198
2132	=over 4	2199	=over 4
2133		2200
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2141		2202
2142	Returns a single value from the database	2203	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2204
2149	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2150		2206
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2208
2162	=cut	2209	=cut
2163		2210
2164	our $DB;	2211	our $DB;
2165		2212
2166	{	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
2167	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;
2168		2232
2169	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2237
2173	my $pid;	2238	unlink $path;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2239	};
2183	}	2240	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2241	}
		2242	}
2195		2243
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2244	sub db_get($$) {
2202	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2207	sub db_put($$;$) {	2255	sub db_put($$$) {
2208	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2209	$DB->{$_[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;
2210	} else {	2293	} else {
2211	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2295	}
2221	);	2296	Coro::cede;
2222	}	2297	}
2223		2298
2224	#############################################################################	2299	1
2225	# 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	}
2226		2312
2227	sub cfg_load {	2313	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2315	or return;
2230		2316
…		…
2247		2333
2248	sub main {	2334	sub main {
2249	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2251	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 {
2252	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2253	};	2341	};
2254		2342
2255	cfg_load;	2343	cfg_load;
2256	db_load;	2344	db_init;
2257	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2258	Event::loop;	2348	Event::loop;
2259	}	2349	}
2260		2350
2261	#############################################################################	2351	#############################################################################
2262	# initialisation and cleanup	2352	# initialisation and cleanup
2263		2353
2264	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2265	BEGIN {	2355	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2269	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2270	cb => sub {	2362	cb => sub {
2271	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2272	},	2364	},
2273	);	2365	);
2274	}	2366	}
2275	}	2367	}
…		…
2280	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2281		2373
2282	cf::sync_job {	2374	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2381	$pl->valid or next;
2290	$pl->save;	2382	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2389	$map->valid or next;
2298	$map->save;	2390	$map->save;
2299	}	2391	}
2300	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 $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2301	};	2397	};
2302		2398
2303	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2304	}	2407	}
2305		2408
2306	sub reload() {	2409	sub reload() {
2307	# can/must only be called in main	2410	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2310	return;	2413	return;
2311	}	2414	}
2312		2415
2313	warn "reloading...";	2416	warn "reloading...";
2314		2417
2315	warn "freezing server";	2418	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2318		2424
2319	warn "sync database to disk";	2425	warn "syncing database to disk";
2320	cf::db_sync;	2426	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2427
2323	eval {
2324	# 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
2325		2429
2326	warn "cancel all watchers";	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2433	}
2330		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2331	warn "cancel all extension coros";	2446	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2448	%EXT_CORO = ();
2334		2449
2335	warn "remove commands";	2450	warn "removing commands";
2336	%COMMAND = ();	2451	%COMMAND = ();
2337		2452
2338	warn "remove ext commands";	2453	warn "removing ext commands";
2339	%EXTCMD = ();	2454	%EXTCMD = ();
2340		2455
2341	warn "unload/nuke all extensions";	2456	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2457	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2458	warn "... unloading $pkg";
2344		2459
2345	if (my $cb = $pkg->can ("unload")) {	2460	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2461	eval {
…		…
2351		2466
2352	warn "... nuking $pkg";	2467	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2468	Symbol::delete_package $pkg;
2354	}	2469	}
2355		2470
2356	warn "unload all perl modules loaded from $LIBDIR";	2471	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2474
2360	warn "removing <$k>";	2475	warn "... unloading $k";
2361	delete $INC{$k};	2476	delete $INC{$k};
2362		2477
2363	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2365		2480
…		…
2368	}	2483	}
2369		2484
2370	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2371	}	2486	}
2372		2487
2373	warn "get rid of safe::, as good as possible";	2488	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2375	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);
2376		2491
2377	warn "unload cf.pm \"a bit\"";	2492	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2379		2494
2380	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2496	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2383		2498
		2499	warn "unload completed, starting to reload now";
		2500
2384	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2385	require cf;	2502	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2504
2388	warn "load config and database again";	2505	warn "loading config and database again";
2389	cf::cfg_load;	2506	cf::cfg_load;
2390	cf::db_load;
2391		2507
2392	warn "load extensions";	2508	warn "loading extensions";
2393	cf::load_extensions;	2509	cf::load_extensions;
2394		2510
2395	warn "reattach attachments to objects/players";	2511	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2512	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2513	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2399	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2400		2517
2401	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2402	warn $@;	2525	warn $@;
2403	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2404	exit 1;	2527	exit 1;
2405	}	2528	};
2406		2529
2407	warn "reloaded";	2530	warn "reloaded";
2408	};	2531	};
2409		2532
2410	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}
2452		2534
2453	register_command "reload" => sub {	2535	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2455		2537
2456	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2457	$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 {
2458	reload;	2549	reload;
2459	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2460	}	2553	}
2461	};	2554	};
2462		2555
2463	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2464		2559
2465	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2467	prio => 0,	2563	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2470	cb => sub {	2566	cb => sub {
		2567	if ($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
2471	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2474		2578
		2579	if ($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
2475	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2476	$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#
2477		2592
2478	# 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
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2595
2481	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2483	},	2598	},
2484	);	2599	);
2485		2600
		2601	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2487		2603	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2604	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2490	poll => 'r',	2606	poll => 'r',
2491	prio => 5,	2607	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2498	after => 0,	2609	cb => \&BDB::poll_cb,
2499	interval => 10,	2610	);
2500	cb => sub {	2611	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2612
2502	write_runtime	2613	BDB::set_sync_prepare {
2503	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 $@;
2504	})->();	2647	};
2505	},	2648	}
2506	);	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	}
2507		2665
2508	END { cf::emergency_save }	2666	END { cf::emergency_save }
2509		2667
2510	1	2668	1
2511		2669

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