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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 1.230 by root, Mon Apr 2 18:04:46 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($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		392
522	#############################################################################	393	#############################################################################
523		394
524	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
525		396
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	523	our @CB_MAP = ();
653		524
654	my %attachment;	525	my %attachment;
655		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
656	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
658		535
659	use sort 'stable';	536	use sort 'stable';
660		537
…		…
831	# object support	708	# object support
832		709
833	sub reattach {	710	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		715
837	my $registry = $obj->registry;	716	my $registry = $obj->registry;
838		717
839	@$registry = ();	718	@$registry = ();
840		719
…		…
887	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
888		767
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	772	close $fh;
894		773
895	if (@$objs) {	774	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	780	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
903	}	782	}
904	} else {	783	} else {
905	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1030	. "\n};\n1";	909	. "\n};\n1";
1031		910
1032	eval $source	911	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1034	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1035		921
1036	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1037	}	923	}
1038		924
1039	sub load_extensions {	925	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1046	}	932	}
1047	}	933	}
1048		934
1049	#############################################################################	935	#############################################################################
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		936
1065	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1066		938
1067	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1068		940
…		…
1104		976
1105	sub exists($) {	977	sub exists($) {
1106	my ($login) = @_;	978	my ($login) = @_;
1107		979
1108	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1110	}	982	}
1111		983
1112	sub find($) {	984	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	986	my $login = $_[0];
…		…
1160		1032
1161	=cut	1033	=cut
1162		1034
1163	sub quit_character {	1035	sub quit_character {
1164	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1165		1039
1166	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1042
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1179	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1180	}	1074	}
1181		1075
1182	=item cf::player::list_logins	1076	=item cf::player::list_logins
1183		1077
1184	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1204	\@logins	1098	\@logins
1205	}	1099	}
1206		1100
1207	=item $player->maps	1101	=item $player->maps
1208		1102
1209	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1210	player. May block.	1104	player. May block.
1211		1105
1212	=cut	1106	=cut
1213		1107
1214	sub maps($) {	1108	sub maps($) {
1215	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1112
1217	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1218	or return;	1114	or return;
1219		1115
1220	my @paths;	1116	my @paths;
…		…
1222	for (@$files) {	1118	for (@$files) {
1223	utf8::decode $_;	1119	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1226		1122
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1124	}
1229		1125
1230	\@paths	1126	\@paths
1231	}	1127	}
1232		1128
…		…
1258	package cf::map;	1154	package cf::map;
1259		1155
1260	use Fcntl;	1156	use Fcntl;
1261	use Coro::AIO;	1157	use Coro::AIO;
1262		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1263	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1265		1165
1266	sub generate_random_map {	1166	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1169	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1283	}	1311	}
1284		1312
1285	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1286	# all maps in C++...	1314	# all maps in C++...
1287	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1289		1317
1290	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1292	}	1320	}
1293		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1294	sub load_map_header($) {	1330	sub load_header_from($) {
1295	my ($path) = @_;	1331	my ($self, $path) = @_;
1296		1332
1297	utf8::encode $path;	1333	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1299	or return;	1338	or return;
1300		1339
1301	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1302	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1303		1386
1304	# for better error messages only, will be overwritten later	1387	1
1305	$map->path ($path);
1306
1307	$map->load_header ($path)
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1388	}
1314		1389
1315	sub find;	1390	sub find;
1316	sub find {	1391	sub find {
1317	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1318		1393
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1395
1324	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1325		1397
1326	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1328		1400	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;	1401	or return;
1343		1402
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;	1403	$map->{last_save} = $cf::RUNTIME;
1356		1404
1357	Coro::cede;	1405	$map->load_header
		1406	or return;
1358		1407
1359	if ($map->should_reset) {	1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1411	$map->reset;
1361	undef $guard;	1412	undef $guard;
1362	$map = find $path	1413	return find $path;
1363	or return;
1364	}	1414	}
1365		1415
1366	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1367	}	1417	}
1368	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1369		1422
1370	sub load {	1423	sub load {
1371	my ($self) = @_;	1424	my ($self) = @_;
1372		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1373	my $path = $self->{path};	1428	my $path = $self->{path};
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1375		1430
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1432
1378	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1379		1434
1380	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1381	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1440	or return;
1383		1441
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1443	if delete $self->{load_original};
1386		1444
1387	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1446	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1448	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1392	}	1450	}
1393	}	1451	}
1394		1452
1395	Coro::cede;	1453	Coro::cede;
1396		1454
1397	# now do the right thing for maps	1455	# now do the right thing for maps
1398	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1399		1457
1400	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1401	$self->{deny_save} = 1;	1459	$self->decay_objects;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1407	$self->set_darkness_map;	1463	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1410	$self->activate;	1467	$self->activate;
1411	}	1468	}
1412		1469
1413	Coro::cede;	1470	$self->post_load;
1414		1471
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
1416	}	1482	}
1417		1483
1418	# find and load all maps in the 3x3 area around a map	1484	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1485	sub load_diag {
1420	my ($map) = @_;	1486	my ($map) = @_;
…		…
1450		1516
1451	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1452	}	1518	}
1453		1519
1454	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1521	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		1522
1470	sub find_async {	1523	sub find_async {
1471	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1472		1525
1473	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1527
1476	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1530	}
1479		1531
1480	$MAP_PREFETCH{$key} = $path;	1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
1481	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1482		1546
1483	()	1547	()
1484	}	1548	}
1485		1549
1486	sub save {	1550	sub save {
…		…
1490		1554
1491	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1492		1556
1493	return unless $self->dirty;	1557	return unless $self->dirty;
1494		1558
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1561
1498	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1499		1563
1500	return if $self->{deny_save};	1564	return if $self->{deny_save};
1501		1565
…		…
1504	cf::async {	1568	cf::async {
1505	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1506	};	1570	};
1507		1571
1508	if ($uniq) {	1572	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1575	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1577	}
1514	}	1578	}
1515		1579
1516	sub swap_out {	1580	sub swap_out {
1517	my ($self) = @_;	1581	my ($self) = @_;
…		…
1531		1595
1532	sub reset_at {	1596	sub reset_at {
1533	my ($self) = @_;	1597	my ($self) = @_;
1534		1598
1535	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1538		1602
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1605
…		…
1546	my ($self) = @_;	1610	my ($self) = @_;
1547		1611
1548	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1549	}	1613	}
1550		1614
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 {	1615	sub reset {
1573	my ($self) = @_;	1616	my ($self) = @_;
1574		1617
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1619
1577	return if $self->players;	1620	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1579		1622
1580	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1581		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1582	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1583		1638
1584	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1585		1640
1586	$self->unlink_save;	1641	$self->unlink_save;
1587	$self->destroy;	1642	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1591		1646
1592	sub nuke {	1647	sub nuke {
1593	my ($self) = @_;	1648	my ($self) = @_;
1594		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1598	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1599	}	1663	}
1600		1664
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	1665	=item cf::map::unique_maps
1612		1666
1613	Returns an arrayref of cf::path's of all shared maps that have	1667	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1668	instantiated unique items. May block.
1615		1669
1616	=cut	1670	=cut
1617		1671
1618	sub unique_maps() {	1672	sub unique_maps() {
…		…
1624	for (@$files) {	1678	for (@$files) {
1625	utf8::decode $_;	1679	utf8::decode $_;
1626	next if /\.pst$/;	1680	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1628		1682
1629	push @paths, new cf::path $_;	1683	push @paths, cf::map::normalise $_;
1630	}	1684	}
1631		1685
1632	\@paths	1686	\@paths
1633	}	1687	}
1634		1688
…		…
1709		1763
1710	=item $player_object->enter_link	1764	=item $player_object->enter_link
1711		1765
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1767
1714	The player should be reaosnably safe there for short amounts of time. You	1768	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.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1716		1770
		1771	Will never block.
		1772
1717	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1718		1774
1719	Moves the player out of the specila link map onto the given map. If the	1775	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	1776	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,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1778	fails, to the emergency map position.
1723		1779
1724	Might block.	1780	Might block.
1725		1781
1726	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1727		1793
1728	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1795	my ($self) = @_;
1730		1796
1731	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1732		1798
1733	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1800
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1802	if $self->map;
1737		1803
1738	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1805	}
1740		1806
1741	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1743		1809
…		…
1765	$map->load;	1831	$map->load;
1766	$map->load_diag;	1832	$map->load_diag;
1767		1833
1768	return unless $self->contr->active;	1834	return unless $self->contr->active;
1769	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1771	}	1839	}
1772		1840
1773	cf::player->attach (	1841	cf::player->attach (
1774	on_logout => sub {	1842	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1856	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1791	(async {	1859	(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,	1860	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",	1862	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);	1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
1798	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1800	})->prio (2);	1868	})->prio (2);
1801	}	1869	}
1802	},	1870	},
…		…
1807	=cut	1875	=cut
1808		1876
1809	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1811		1879
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1880	$self->enter_link;
1815		1881
1816	(async {	1882	(async {
		1883	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1819		1886	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824		1889
1825	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1891	})->prio (1);
1827	}	1892	}
1828		1893
…		…
1832		1897
1833	sub parse_random_map_params {	1898	sub parse_random_map_params {
1834	my ($spec) = @_;	1899	my ($spec) = @_;
1835		1900
1836	my $rmp = { # defaults	1901	my $rmp = { # defaults
1837	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1839	};	1906	};
1840		1907
1841	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1843		1910
…		…
1847	$rmp	1914	$rmp
1848	}	1915	}
1849		1916
1850	sub prepare_random_map {	1917	sub prepare_random_map {
1851	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1921
1853	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1924	# that depends on the exit object
1856		1925
1857	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1858		1927
1859	if ($exit->map) {	1928	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1864	}	1933	}
1865		1934
1866	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1867		1936
1868	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870		1940
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1873		1945
1874	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	1947	$exit->msg (undef);
1876	}	1948	}
1877	}	1949	}
1878		1950
1879	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1881		1953
1882	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
1883		1964
1884	$self->enter_link;	1965	$self->enter_link;
1885		1966
1886	(async {	1967	(async {
1887	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	1969	unless (eval {
1889	prepare_random_map $exit	1970	$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		1971
1895	1;	1972	1;
1896	}) {	1973	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
…		…
1918		1995
1919	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1921		1998
1922	utf8::encode $text;	1999	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2001	}
1925		2002
1926		2003
1927	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1928		2005
…		…
1959	# get handled first	2036	# get handled first
1960	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2039
1963	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2042
1965	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1966		2044
1967	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2046	if (@$queue) {
…		…
2026		2104
2027	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
2028		2106
2029	=pod	2107	=pod
2030		2108
2031	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
2032		2110
2033	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2112	cf::object::player player
2035	cf::player peaceful	2113	cf::player peaceful
2036	cf::map trigger	2114	cf::map trigger
…		…
2129	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2208	using it, it should be unique.
2131		2209
2132	=over 4	2210	=over 4
2133		2211
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	2212	=item $value = cf::db_get $family => $key
2141		2213
2142	Returns a single value from the database	2214	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		2215
2149	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2150		2217
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	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		2219
2162	=cut	2220	=cut
2163		2221
2164	our $DB;	2222	our $DB;
2165		2223
2166	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
2167	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
2168		2243
2169	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2170	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2171	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2172		2248
2173	my $pid;	2249	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	}	2250	};
2183	}	2251	}
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	});	2252	}
		2253	}
2195		2254
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2255	sub db_get($$) {
2202	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2207	sub db_put($$;$) {	2266	sub db_put($$$) {
2208	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_facedata {
		2275	my $path = sprintf "%s/facedata", cf::datadir;
		2276
		2277	warn "loading facedata from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2296	Coro::cede;
		2297	}
		2298
		2299	while (my ($face, $info) = each %$faces) {
		2300	next unless $info->{smooth};
		2301	my $idx = cf::face::find $face
		2302	or next;
		2303	if (my $smooth = cf::face::find $info->{smooth}) {
		2304	cf::face::set_smooth $idx, $smooth;
2210	} else {	2305	} else {
2211	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$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	},	2307	}
2221	);	2308	Coro::cede;
2222	}	2309	}
2223		2310
2224	#############################################################################	2311	1
2225	# the server's main()	2312	}
		2313
		2314	sub reload_resources {
		2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2316	or die "unable to load regions file\n";#d#
		2317	load_facedata
		2318	or die "unable to load facedata\n";#d#
		2319	}
		2320
		2321	sub init {
		2322	reload_resources;
		2323	}
2226		2324
2227	sub cfg_load {	2325	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
2229	or return;	2327	or return;
2230		2328
…		…
2247		2345
2248	sub main {	2346	sub main {
2249	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2350	(async {
2252	async { Event::one_event };	2351	Event::one_event;
		2352	})->prio (Coro::PRIO_MAX);
2253	};	2353	};
2254		2354
2255	cfg_load;	2355	cfg_load;
2256	db_load;	2356	db_init;
2257	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2258	Event::loop;	2360	Event::loop;
2259	}	2361	}
2260		2362
2261	#############################################################################	2363	#############################################################################
2262	# initialisation and cleanup	2364	# initialisation and cleanup
2263		2365
2264	# install some emergency cleanup handlers	2366	# install some emergency cleanup handlers
2265	BEGIN {	2367	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2368	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2369	Event->signal (
		2370	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2371	data => WF_AUTOCANCEL,
2269	signal => $signal,	2372	signal => $signal,
		2373	prio => 0,
2270	cb => sub {	2374	cb => sub {
2271	cf::cleanup "SIG$signal";	2375	cf::cleanup "SIG$signal";
2272	},	2376	},
2273	);	2377	);
2274	}	2378	}
2275	}	2379	}
…		…
2280	warn "enter emergency perl save\n";	2384	warn "enter emergency perl save\n";
2281		2385
2282	cf::sync_job {	2386	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2387	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2388	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2389	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2390	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2391	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2392	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2393	$pl->valid or next;
2290	$pl->save;	2394	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2400	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2401	$map->valid or next;
2298	$map->save;	2402	$map->save;
2299	}	2403	}
2300	warn "end emergency map save\n";	2404	warn "end emergency map save\n";
		2405
		2406	warn "begin emergency database checkpoint\n";
		2407	BDB::db_env_txn_checkpoint $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
2301	};	2409	};
2302		2410
2303	warn "leave emergency perl save\n";	2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
2304	}	2419	}
2305		2420
2306	sub reload() {	2421	sub reload() {
2307	# can/must only be called in main	2422	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2310	return;	2425	return;
2311	}	2426	}
2312		2427
2313	warn "reloading...";	2428	warn "reloading...";
2314		2429
2315	warn "freezing server";	2430	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2318		2436
2319	warn "sync database to disk";	2437	warn "syncing database to disk";
2320	cf::db_sync;	2438	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2439
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2440	# if anything goes wrong in here, we should simply crash as we already saved
2325		2441
2326	warn "cancel all watchers";	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2445	}
2330		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2331	warn "cancel all extension coros";	2458	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2460	%EXT_CORO = ();
2334		2461
2335	warn "remove commands";	2462	warn "removing commands";
2336	%COMMAND = ();	2463	%COMMAND = ();
2337		2464
2338	warn "remove ext commands";	2465	warn "removing ext commands";
2339	%EXTCMD = ();	2466	%EXTCMD = ();
2340		2467
2341	warn "unload/nuke all extensions";	2468	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2469	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2470	warn "... unloading $pkg";
2344		2471
2345	if (my $cb = $pkg->can ("unload")) {	2472	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2473	eval {
…		…
2351		2478
2352	warn "... nuking $pkg";	2479	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2480	Symbol::delete_package $pkg;
2354	}	2481	}
2355		2482
2356	warn "unload all perl modules loaded from $LIBDIR";	2483	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2486
2360	warn "removing <$k>";	2487	warn "... unloading $k";
2361	delete $INC{$k};	2488	delete $INC{$k};
2362		2489
2363	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2365		2492
…		…
2368	}	2495	}
2369		2496
2370	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2371	}	2498	}
2372		2499
2373	warn "get rid of safe::, as good as possible";	2500	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2503
2377	warn "unload cf.pm \"a bit\"";	2504	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2379		2506
2380	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2508	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2383		2510
		2511	warn "unload completed, starting to reload now";
		2512
2384	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2385	require cf;	2514	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2516
2388	warn "load config and database again";	2517	warn "loading config and database again";
2389	cf::cfg_load;	2518	cf::cfg_load;
2390	cf::db_load;
2391		2519
2392	warn "load extensions";	2520	warn "loading extensions";
2393	cf::load_extensions;	2521	cf::load_extensions;
2394		2522
2395	warn "reattach attachments to objects/players";	2523	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2524	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2525	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2526	reattach $_ for values %MAP;
2399	};	2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2400		2529
2401	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2402	warn $@;	2537	warn $@;
2403	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2404	exit 1;	2539	exit 1;
2405	}	2540	};
2406		2541
2407	warn "reloaded";	2542	warn "reloaded";
2408	};	2543	};
2409		2544
2410	#############################################################################	2545	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} = $LINK_MAP;
2451	}
2452		2546
2453	register_command "reload" => sub {	2547	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2455		2549
2456	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");	2551	$who->message ("reloading server.");
		2552
		2553	# doing reload synchronously and two reloads happen back-to-back,
		2554	# coro crashes during coro_state_free->destroy here.
		2555
		2556	$RELOAD_WATCHER ||= Event->timer (
		2557	reentrant => 0,
		2558	after => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => sub {
2458	reload;	2561	reload;
2459	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2460	}	2565	}
2461	};	2566	};
2462		2567
2463	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2464		2571
2465	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2467	prio => 0,	2575	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2470	cb => sub {	2578	cb => sub {
		2579	if ($Coro::current != $Coro::main) {
		2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2581	unless ++$bug_warning > 10;
		2582	return;
		2583	}
		2584
		2585	$NOW = Event::time;
		2586
2471	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
2474		2590
		2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2592	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2593	Coro::async_pool {
		2594	write_runtime
		2595	or warn "ERROR: unable to write runtime file: $!";
		2596	};
		2597	}
		2598
2475	$WAIT_FOR_TICK->broadcast;	2599	$WAIT_FOR_TICK->broadcast;
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2601
		2602	# my $AFTER = Event::time;
		2603	# warn $AFTER - $NOW;#d#
2477		2604
2478	# if we are delayed by four ticks or more, skip them all	2605	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2607
2481	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2483	},	2610	},
2484	);	2611	);
2485		2612
		2613	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2487		2615	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2616	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2490	poll => 'r',	2618	poll => 'r',
2491	prio => 5,	2619	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2498	after => 0,	2621	cb => \&BDB::poll_cb,
2499	interval => 10,	2622	);
2500	cb => sub {	2623	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2624
2502	write_runtime	2625	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2626	my $status;
		2627	my $current = $Coro::current;
		2628	(
		2629	sub {
		2630	$status = $!;
		2631	$current->ready; undef $current;
		2632	},
		2633	sub {
		2634	Coro::schedule while defined $current;
		2635	$! = $status;
		2636	},
		2637	)
		2638	};
		2639
		2640	unless ($DB_ENV) {
		2641	$DB_ENV = BDB::db_env_create;
		2642
		2643	cf::sync_job {
		2644	eval {
		2645	BDB::db_env_open
		2646	$DB_ENV,
		2647	$BDB_ENV_DIR,
		2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2650	0666;
		2651
		2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2653
		2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2655	$DB_ENV->set_lk_detect;
		2656	};
		2657
		2658	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2659	};
2505	},	2660	}
2506	);	2661	}
		2662
		2663	{
		2664	IO::AIO::min_parallel 8;
		2665
		2666	undef $Coro::AIO::WATCHER;
		2667	IO::AIO::max_poll_time $TICK * 0.1;
		2668	$AIO_POLL_WATCHER = Event->io (
		2669	reentrant => 0,
		2670	data => WF_AUTOCANCEL,
		2671	fd => IO::AIO::poll_fileno,
		2672	poll => 'r',
		2673	prio => 6,
		2674	cb => \&IO::AIO::poll_cb,
		2675	);
		2676	}
2507		2677
2508	END { cf::emergency_save }	2678	END { cf::emergency_save }
2509		2679
2510	1	2680	1
2511		2681

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