[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 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;
23	use IO::AIO 2.32 ();	26	use IO::AIO 2.32 ();
24	use YAML::Syck ();	27	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
28		34
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		36
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
…		…
39	our @EXTS = (); # list of extension package names	45	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	46	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	47	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	48	our %EXT_MAP = (); # pluggable maps
43		49
		50	our $RELOAD; # number of reloads so far
44	our @EVENT;	51	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
46		53
47	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	58	our $NEXT_TICK;
50	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
51		64
52	our %CFG;	65	our %CFG;
53		66
54	our $UPTIME; $UPTIME \|\|= time;	67	our $UPTIME; $UPTIME \|\|= time;
55	our $RUNTIME;	68	our $RUNTIME;
56		69
57	our %PLAYER; # all users	70	our %PLAYER; # all users
58	our %MAP; # all maps	71	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
		74	our $BDB_ENV_DIR = cf::localdir . "/db";
61		75
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;	76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;	77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		81
65	binmode STDOUT;	82	binmode STDOUT;
66	binmode STDERR;	83	binmode STDERR;
67		84
68	# read virtual server time, if available	85	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	92	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
80		98
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
84		102
85	#############################################################################	103	#############################################################################
86		104
87	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
88		106
…		…
256	}	274	}
257		275
258	sub freeze_mainloop {	276	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	277	return unless $TICK_WATCHER->is_active;
260		278
261	my $guard = Coro::guard { $TICK_WATCHER->start };	279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
262	$TICK_WATCHER->stop;	282	$TICK_WATCHER->stop;
263	$guard	283	$guard
264	}	284	}
265		285
266	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
…		…
337		357
338	$coro	358	$coro
339	}	359	}
340		360
341	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
342	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
343		365
344	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
345	or return;	367	or return;
346		368
		369	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	374	and return;
350		375
		376	# always fsync - this file is important
351	aio_fsync $fh	377	aio_fsync $fh
352	and return;	378	and return;
353		379
354	close $fh	380	close $fh
355	or return;	381	or return;
…		…
361	}	387	}
362		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		392
531	#############################################################################	393	#############################################################################
532		394
533	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
534		396
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	523	our @CB_MAP = ();
662		524
663	my %attachment;	525	my %attachment;
664		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
665	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
667		535
668	use sort 'stable';	536	use sort 'stable';
669		537
…		…
840	# object support	708	# object support
841		709
842	sub reattach {	710	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		715
846	my $registry = $obj->registry;	716	my $registry = $obj->registry;
847		717
848	@$registry = ();	718	@$registry = ();
849		719
…		…
896	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
897		767
898	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	772	close $fh;
903		773
904	if (@$objs) {	774	if (@$objs) {
905	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) {
906	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	780	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
912	}	782	}
913	} else {	783	} else {
914	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1036	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1039	. "\n};\n1";	909	. "\n};\n1";
1040		910
1041	eval $source	911	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1043	: "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	}
1044		921
1045	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1046	}	923	}
1047		924
1048	sub load_extensions {	925	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1055	}	932	}
1056	}	933	}
1057		934
1058	#############################################################################	935	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		936
1074	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1075		938
1076	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1077		940
…		…
1113		976
1114	sub exists($) {	977	sub exists($) {
1115	my ($login) = @_;	978	my ($login) = @_;
1116		979
1117	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1119	}	982	}
1120		983
1121	sub find($) {	984	sub find($) {
1122	return $cf::PLAYER{$_[0]} \|\| do {	985	return $cf::PLAYER{$_[0]} \|\| do {
1123	my $login = $_[0];	986	my $login = $_[0];
…		…
1169		1032
1170	=cut	1033	=cut
1171		1034
1172	sub quit_character {	1035	sub quit_character {
1173	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1174		1039
1175	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1176	$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
1177		1042
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1187	$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
1188	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;
1189	}	1074	}
1190		1075
1191	=item cf::player::list_logins	1076	=item cf::player::list_logins
1192		1077
1193	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
…		…
1213	\@logins	1098	\@logins
1214	}	1099	}
1215		1100
1216	=item $player->maps	1101	=item $player->maps
1217		1102
1218	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
1219	player. May block.	1104	player. May block.
1220		1105
1221	=cut	1106	=cut
1222		1107
1223	sub maps($) {	1108	sub maps($) {
1224	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1112
1226	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1227	or return;	1114	or return;
1228		1115
1229	my @paths;	1116	my @paths;
…		…
1231	for (@$files) {	1118	for (@$files) {
1232	utf8::decode $_;	1119	utf8::decode $_;
1233	next if /\.(?:pl\|pst)$/;	1120	next if /\.(?:pl\|pst)$/;
1234	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1235		1122
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1124	}
1238		1125
1239	\@paths	1126	\@paths
1240	}	1127	}
1241		1128
…		…
1267	package cf::map;	1154	package cf::map;
1268		1155
1269	use Fcntl;	1156	use Fcntl;
1270	use Coro::AIO;	1157	use Coro::AIO;
1271		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1272	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1274		1165
1275	sub generate_random_map {	1166	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1169	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1181	)
1293	}	1182	}
1294		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
		1311	}
		1312
1295	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1296	# all maps in C++...	1314	# all maps in C++...
1297	sub change_all_map_light {	1315	sub change_all_map_light {
1298	my ($change) = @_;	1316	my ($change) = @_;
1299		1317
1300	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1302	}	1320	}
1303		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
1304	sub load_map_header($) {	1330	sub load_header_from($) {
1305	my ($path) = @_;	1331	my ($self, $path) = @_;
1306		1332
1307	utf8::encode $path;	1333	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1309	or return;	1338	or return;
1310		1339
1311	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
1312	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1313		1386
1314	# for better error messages only, will be overwritten later	1387	1
1315	$map->path ($path);
1316
1317	$map->load_header ($path)
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1388	}
1324		1389
1325	sub find;	1390	sub find;
1326	sub find {	1391	sub find {
1327	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1328		1393
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1395
1334	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1335		1397
1336	$cf::MAP{$key} \|\| do {	1398	$cf::MAP{$path} \|\| do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1338		1400	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	\|\| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1401	or return;
1353		1402
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1366		1404
1367	Coro::cede;	1405	$map->load_header
		1406	or return;
1368		1407
1369	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;
1370	$map->reset;	1411	$map->reset;
1371	undef $guard;	1412	undef $guard;
1372	$map = find $path	1413	return find $path;
1373	or return;
1374	}	1414	}
1375		1415
1376	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1377	}	1417	}
1378	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1379		1422
1380	sub load {	1423	sub load {
1381	my ($self) = @_;	1424	my ($self) = @_;
1382		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1383	my $path = $self->{path};	1428	my $path = $self->{path};
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1385		1430
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1432
1388	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1389		1434
1390	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1391	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1440	or return;
1393		1441
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1443	if delete $self->{load_original};
1396		1444
1397	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1446	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1448	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1402	}	1450	}
1403	}	1451	}
1404		1452
1405	Coro::cede;	1453	Coro::cede;
1406		1454
1407	# now do the right thing for maps	1455	# now do the right thing for maps
1408	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1409		1457
1410	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;	1459	$self->decay_objects;
1415	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1416	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1417	$self->set_darkness_map;	1463	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1420	$self->activate;	1467	$self->activate;
1421	}	1468	}
1422		1469
1423	Coro::cede;	1470	$self->post_load;
1424		1471
1425	$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
1426	}	1482	}
1427		1483
1428	# 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
1429	sub load_diag {	1485	sub load_diag {
1430	my ($map) = @_;	1486	my ($map) = @_;
…		…
1460		1516
1461	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1462	}	1518	}
1463		1519
1464	our %MAP_PREFETCH;	1520	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1521	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1522
1480	sub find_async {	1523	sub find_async {
1481	my ($path, $origin) = @_;	1524	my ($path, $origin) = @_;
1482		1525
1483	$path = new cf::path $path, $origin && $origin->path;	1526	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1527
1486	if (my $map = $cf::MAP{$key}) {	1528	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1530	}
1489		1531
1490	$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	};
1491	$MAP_PREFETCHER->ready;	1545	$MAP_PREFETCHER->prio (6);
1492		1546
1493	()	1547	()
1494	}	1548	}
1495		1549
1496	sub save {	1550	sub save {
…		…
1500		1554
1501	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1502		1556
1503	return unless $self->dirty;	1557	return unless $self->dirty;
1504		1558
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1561
1508	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1509		1563
1510	return if $self->{deny_save};	1564	return if $self->{deny_save};
1511		1565
…		…
1514	cf::async {	1568	cf::async {
1515	$_->contr->save for $self->players;	1569	$_->contr->save for $self->players;
1516	};	1570	};
1517		1571
1518	if ($uniq) {	1572	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1575	} else {
1522	$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);
1523	}	1577	}
1524	}	1578	}
1525		1579
1526	sub swap_out {	1580	sub swap_out {
1527	my ($self) = @_;	1581	my ($self) = @_;
…		…
1541		1595
1542	sub reset_at {	1596	sub reset_at {
1543	my ($self) = @_;	1597	my ($self) = @_;
1544		1598
1545	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1548		1602
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	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;
1551		1605
…		…
1556	my ($self) = @_;	1610	my ($self) = @_;
1557		1611
1558	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1559	}	1613	}
1560		1614
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1615	sub reset {
1575	my ($self) = @_;	1616	my ($self) = @_;
1576		1617
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1619
1579	return if $self->players;	1620	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1581		1622
1582	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1583		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
1584	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
1585		1636
		1637	$self->clear;
		1638
1586	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1587		1640
1588	$self->{path}->unlink_save;	1641	$self->unlink_save;
1589	$self->destroy;	1642	$self->destroy;
1590	}	1643	}
1591		1644
1592	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1593		1646
1594	sub nuke {	1647	sub nuke {
1595	my ($self) = @_;	1648	my ($self) = @_;
1596		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1600	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1601	}	1663	}
1602		1664
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1665	=item cf::map::unique_maps
1614		1666
1615	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
1616	instantiated unique items. May block.	1668	instantiated unique items. May block.
1617		1669
1618	=cut	1670	=cut
1619		1671
1620	sub unique_maps() {	1672	sub unique_maps() {
…		…
1626	for (@$files) {	1678	for (@$files) {
1627	utf8::decode $_;	1679	utf8::decode $_;
1628	next if /\.pst$/;	1680	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1630		1682
1631	push @paths, new cf::path $_;	1683	push @paths, cf::map::normalise $_;
1632	}	1684	}
1633		1685
1634	\@paths	1686	\@paths
1635	}	1687	}
1636		1688
…		…
1711		1763
1712	=item $player_object->enter_link	1764	=item $player_object->enter_link
1713		1765
1714	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}>).
1715		1767
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1718		1770
		1771	Will never block.
		1772
1719	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1720		1774
1721	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
1722	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
1723	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
1724	to the emergency map position.	1778	fails, to the emergency map position.
1725		1779
1726	Might block.	1780	Might block.
1727		1781
1728	=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	}
1729		1793
1730	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1795	my ($self) = @_;
1732		1796
1733	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1734		1798
1735	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1800
1737	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1802	if $self->map;
1739		1803
1740	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1741	}	1805	}
1742		1806
1743	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1745		1809
…		…
1767	$map->load;	1831	$map->load;
1768	$map->load_diag;	1832	$map->load_diag;
1769		1833
1770	return unless $self->contr->active;	1834	return unless $self->contr->active;
1771	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1773	}	1839	}
1774		1840
1775	cf::player->attach (	1841	cf::player->attach (
1776	on_logout => sub {	1842	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1856	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1793	(async {	1859	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1860	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1861	"There was an internal problem at your last logout, "
1798	. "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.",
1799	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
1800	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1802	})->prio (2);	1868	})->prio (2);
1803	}	1869	}
1804	},	1870	},
…		…
1809	=cut	1875	=cut
1810		1876
1811	sub cf::object::player::goto {	1877	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1813		1879
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1880	$self->enter_link;
1817		1881
1818	(async {	1882	(async {
		1883	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1821		1886	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1823	# if $map;
1824
1825	$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);
1826		1889
1827	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1891	})->prio (1);
1829	}	1892	}
1830		1893
…		…
1834		1897
1835	sub parse_random_map_params {	1898	sub parse_random_map_params {
1836	my ($spec) = @_;	1899	my ($spec) = @_;
1837		1900
1838	my $rmp = { # defaults	1901	my $rmp = { # defaults
1839	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1841	};	1906	};
1842		1907
1843	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1845		1910
…		…
1849	$rmp	1914	$rmp
1850	}	1915	}
1851		1916
1852	sub prepare_random_map {	1917	sub prepare_random_map {
1853	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1921
1855	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1924	# that depends on the exit object
1858		1925
1859	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1860		1927
1861	if ($exit->map) {	1928	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1866	}	1933	}
1867		1934
1868	$rmp->{random_seed} \|\|= $exit->random_seed;	1935	$rmp->{random_seed} \|\|= $exit->random_seed;
1869		1936
1870	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1940
1873	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) {
1874	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;
1875		1945
1876	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1947	$exit->msg (undef);
1878	}	1948	}
1879	}	1949	}
1880		1950
1881	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1883		1953
1884	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;
1885		1964
1886	$self->enter_link;	1965	$self->enter_link;
1887		1966
1888	(async {	1967	(async {
1889	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1969	unless (eval {
1891	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		1971
1897	1;	1972	1;
1898	}) {	1973	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "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. "
…		…
1920		1995
1921	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1923		1998
1924	utf8::encode $text;	1999	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1926	}	2001	}
1927		2002
1928		2003
1929	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1930		2005
…		…
1961	# get handled first	2036	# get handled first
1962	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1963	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
1964		2039
1965	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2042
1967	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1968		2044
1969	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2046	if (@$queue) {
…		…
2131	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
2132	using it, it should be unique.	2208	using it, it should be unique.
2133		2209
2134	=over 4	2210	=over 4
2135		2211
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
2143		2213
2144	Returns a single value from the database	2214	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2215
2151	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
2152		2217
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2219
2164	=cut	2220	=cut
2165		2221
2166	our $DB;	2222	our $DB;
2167		2223
2168	{	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
2169	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;
2170		2243
2171	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2248
2175	my $pid;	2249	unlink $path;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2250	};
2185	}	2251	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2252	}
		2253	}
2197		2254
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2255	sub db_get($$) {
2204	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} \|\|= { })
2207	}
2208		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
2209	sub db_put($$;$) {	2266	sub db_put($$$) {
2210	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
2211	$DB->{$_[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_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces 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 $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	while (my ($face, $info) = each %$faces) {
		2295	next unless $info->{smooth};
		2296	my $idx = cf::face::find $face
		2297	or next;
		2298	if (my $smooth = cf::face::find $info->{smooth}) {
		2299	cf::face::set_smooth $idx, $smooth;
		2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2212	} else {	2301	} else {
2213	$DB->{$_[0]} = $_[1];	2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2303	}
2223	);	2304	Coro::cede;
2224	}	2305	}
2225		2306
2226	#############################################################################	2307	1
2227	# the server's main()	2308	}
		2309
		2310	sub reload_resources {
		2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2312	or die "unable to load regions file\n";#d#
		2313	load_faces
		2314	or die "unable to load faces\n";#d#
		2315	}
		2316
		2317	sub init {
		2318	reload_resources;
		2319	}
2228		2320
2229	sub cfg_load {	2321	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2322	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2323	or return;
2232		2324
…		…
2249		2341
2250	sub main {	2342	sub main {
2251	# we must not ever block the main coroutine	2343	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2344	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2346	(async {
2254	async { Event::one_event };	2347	Event::one_event;
		2348	})->prio (Coro::PRIO_MAX);
2255	};	2349	};
2256		2350
2257	cfg_load;	2351	cfg_load;
2258	db_load;	2352	db_init;
2259	load_extensions;	2353	load_extensions;
		2354
		2355	$TICK_WATCHER->start;
2260	Event::loop;	2356	Event::loop;
2261	}	2357	}
2262		2358
2263	#############################################################################	2359	#############################################################################
2264	# initialisation and cleanup	2360	# initialisation and cleanup
2265		2361
2266	# install some emergency cleanup handlers	2362	# install some emergency cleanup handlers
2267	BEGIN {	2363	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2364	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2365	Event->signal (
		2366	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2367	data => WF_AUTOCANCEL,
2271	signal => $signal,	2368	signal => $signal,
		2369	prio => 0,
2272	cb => sub {	2370	cb => sub {
2273	cf::cleanup "SIG$signal";	2371	cf::cleanup "SIG$signal";
2274	},	2372	},
2275	);	2373	);
2276	}	2374	}
2277	}	2375	}
…		…
2282	warn "enter emergency perl save\n";	2380	warn "enter emergency perl save\n";
2283		2381
2284	cf::sync_job {	2382	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2383	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2384	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2385	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2386	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2387	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2388	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2389	$pl->valid or next;
2292	$pl->save;	2390	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2396	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2397	$map->valid or next;
2300	$map->save;	2398	$map->save;
2301	}	2399	}
2302	warn "end emergency map save\n";	2400	warn "end emergency map save\n";
		2401
		2402	warn "begin emergency database checkpoint\n";
		2403	BDB::db_env_txn_checkpoint $DB_ENV;
		2404	warn "end emergency database checkpoint\n";
2303	};	2405	};
2304		2406
2305	warn "leave emergency perl save\n";	2407	warn "leave emergency perl save\n";
		2408	}
		2409
		2410	sub post_cleanup {
		2411	my ($make_core) = @_;
		2412
		2413	warn Carp::longmess "post_cleanup backtrace"
		2414	if $make_core;
2306	}	2415	}
2307		2416
2308	sub reload() {	2417	sub reload() {
2309	# can/must only be called in main	2418	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2419	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2420	warn "can only reload from main coroutine";
2312	return;	2421	return;
2313	}	2422	}
2314		2423
2315	warn "reloading...";	2424	warn "reloading...";
2316		2425
2317	warn "freezing server";	2426	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2427
		2428	cf::sync_job {
		2429	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2430	cf::emergency_save;
		2431	cf::write_runtime; # external watchdog should not bark
2320		2432
2321	warn "sync database to disk";	2433	warn "syncing database to disk";
2322	cf::db_sync;	2434	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2435
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2436	# if anything goes wrong in here, we should simply crash as we already saved
2327		2437
2328	warn "cancel all watchers";	2438	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2439	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2441	}
2332		2442
		2443	warn "flushing outstanding aio requests";
		2444	for (;;) {
		2445	BDB::flush;
		2446	IO::AIO::flush;
		2447	Coro::cede;
		2448	last unless IO::AIO::nreqs \|\| BDB::nreqs;
		2449	warn "iterate...";
		2450	}
		2451
		2452	++$RELOAD;
		2453
2333	warn "cancel all extension coros";	2454	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2455	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2456	%EXT_CORO = ();
2336		2457
2337	warn "remove commands";	2458	warn "removing commands";
2338	%COMMAND = ();	2459	%COMMAND = ();
2339		2460
2340	warn "remove ext commands";	2461	warn "removing ext commands";
2341	%EXTCMD = ();	2462	%EXTCMD = ();
2342		2463
2343	warn "unload/nuke all extensions";	2464	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2465	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2466	warn "... unloading $pkg";
2346		2467
2347	if (my $cb = $pkg->can ("unload")) {	2468	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2469	eval {
…		…
2353		2474
2354	warn "... nuking $pkg";	2475	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2476	Symbol::delete_package $pkg;
2356	}	2477	}
2357		2478
2358	warn "unload all perl modules loaded from $LIBDIR";	2479	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2480	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2482
2362	warn "removing <$k>";	2483	warn "... unloading $k";
2363	delete $INC{$k};	2484	delete $INC{$k};
2364		2485
2365	$k =~ s/\.pm$//;	2486	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2487	$k =~ s/\//::/g;
2367		2488
…		…
2370	}	2491	}
2371		2492
2372	Symbol::delete_package $k;	2493	Symbol::delete_package $k;
2373	}	2494	}
2374		2495
2375	warn "get rid of safe::, as good as possible";	2496	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2497	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2499
2379	warn "unload cf.pm \"a bit\"";	2500	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2501	delete $INC{"cf.pm"};
2381		2502
2382	# don't, removes xs symbols, too,	2503	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2504	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2505	#Symbol::delete_package __PACKAGE__;
2385		2506
		2507	warn "unload completed, starting to reload now";
		2508
2386	warn "reloading cf.pm";	2509	warn "reloading cf.pm";
2387	require cf;	2510	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2512
2390	warn "load config and database again";	2513	warn "loading config and database again";
2391	cf::cfg_load;	2514	cf::cfg_load;
2392	cf::db_load;
2393		2515
2394	warn "load extensions";	2516	warn "loading extensions";
2395	cf::load_extensions;	2517	cf::load_extensions;
2396		2518
2397	warn "reattach attachments to objects/players";	2519	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2520	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2521	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2522	reattach $_ for values %MAP;
2401	};	2523	warn "reattaching attachments to players";
		2524	reattach $_ for values %PLAYER;
2402		2525
2403	if ($@) {	2526	warn "loading reloadable resources";
		2527	reload_resources;
		2528
		2529	warn "leaving sync_job";
		2530
		2531	1
		2532	} or do {
2404	warn $@;	2533	warn $@;
2405	warn "error while reloading, exiting.";	2534	warn "error while reloading, exiting.";
2406	exit 1;	2535	exit 1;
2407	}	2536	};
2408		2537
2409	warn "reloaded";	2538	warn "reloaded";
2410	};	2539	};
2411		2540
2412	#############################################################################	2541	our $RELOAD_WATCHER; # used only during reload
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}
2454		2542
2455	register_command "reload" => sub {	2543	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2544	my ($who, $arg) = @_;
2457		2545
2458	if ($who->flag (FLAG_WIZ)) {	2546	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2547	$who->message ("reloading server.");
		2548
		2549	# doing reload synchronously and two reloads happen back-to-back,
		2550	# coro crashes during coro_state_free->destroy here.
		2551
		2552	$RELOAD_WATCHER \|\|= Event->timer (
		2553	reentrant => 0,
		2554	after => 0,
		2555	data => WF_AUTOCANCEL,
		2556	cb => sub {
2460	reload;	2557	reload;
2461	$who->message ("end of reload.");	2558	undef $RELOAD_WATCHER;
		2559	},
		2560	);
2462	}	2561	}
2463	};	2562	};
2464		2563
2465	unshift @INC, $LIBDIR;	2564	unshift @INC, $LIBDIR;
		2565
		2566	my $bug_warning = 0;
2466		2567
2467	$TICK_WATCHER = Event->timer (	2568	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2569	reentrant => 0,
		2570	parked => 1,
2469	prio => 0,	2571	prio => 0,
2470	at => $NEXT_TICK \|\| $TICK,	2572	at => $NEXT_TICK \|\| $TICK,
2471	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2472	cb => sub {	2574	cb => sub {
		2575	if ($Coro::current != $Coro::main) {
		2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2577	unless ++$bug_warning > 10;
		2578	return;
		2579	}
		2580
2473	$NOW = Event::time;	2581	$NOW = Event::time;
2474		2582
2475	cf::server_tick; # one server iteration	2583	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;	2584	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2585	$NEXT_TICK += $TICK;
2478		2586
		2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2588	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2589	Coro::async_pool {
		2590	write_runtime
		2591	or warn "ERROR: unable to write runtime file: $!";
		2592	};
		2593	}
		2594
2479	$WAIT_FOR_TICK->broadcast;	2595	$WAIT_FOR_TICK->broadcast;
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2597
		2598	# my $AFTER = Event::time;
		2599	# warn $AFTER - $NOW;#d#
2481		2600
2482	# if we are delayed by four ticks or more, skip them all	2601	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2603
2485	$TICK_WATCHER->at ($NEXT_TICK);	2604	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2605	$TICK_WATCHER->start;
2487	},	2606	},
2488	);	2607	);
2489		2608
		2609	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2610	BDB::max_poll_time $TICK * 0.1;
2491		2611	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2612	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2613	fd => BDB::poll_fileno,
2494	poll => 'r',	2614	poll => 'r',
2495	prio => 5,	2615	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2616	data => WF_AUTOCANCEL,
2502	after => 0,	2617	cb => \&BDB::poll_cb,
2503	interval => 10,	2618	);
2504	cb => sub {	2619	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2620
2506	write_runtime	2621	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2622	my $status;
		2623	my $current = $Coro::current;
		2624	(
		2625	sub {
		2626	$status = $!;
		2627	$current->ready; undef $current;
		2628	},
		2629	sub {
		2630	Coro::schedule while defined $current;
		2631	$! = $status;
		2632	},
		2633	)
		2634	};
		2635
		2636	unless ($DB_ENV) {
		2637	$DB_ENV = BDB::db_env_create;
		2638
		2639	cf::sync_job {
		2640	eval {
		2641	BDB::db_env_open
		2642	$DB_ENV,
		2643	$BDB_ENV_DIR,
		2644	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2645	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2646	0666;
		2647
		2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2649
		2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2651	$DB_ENV->set_lk_detect;
		2652	};
		2653
		2654	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2655	};
2509	},	2656	}
2510	);	2657	}
		2658
		2659	{
		2660	IO::AIO::min_parallel 8;
		2661
		2662	undef $Coro::AIO::WATCHER;
		2663	IO::AIO::max_poll_time $TICK * 0.1;
		2664	$AIO_POLL_WATCHER = Event->io (
		2665	reentrant => 0,
		2666	data => WF_AUTOCANCEL,
		2667	fd => IO::AIO::poll_fileno,
		2668	poll => 'r',
		2669	prio => 6,
		2670	cb => \&IO::AIO::poll_cb,
		2671	);
		2672	}
2511		2673
2512	END { cf::emergency_save }	2674	END { cf::emergency_save }
2513		2675
2514	1	2676	1
2515		2677

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs. Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC