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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
20	use Data::Dumper;	21	use Data::Dumper;
21	use Digest::MD5;	22	use Digest::MD5;
22	use Fcntl;	23	use Fcntl;
23	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
24	use YAML::Syck ();	25	use YAML::Syck ();
25	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26		30
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
28		32
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		34
…		…
33		37
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		39
36	our %COMMAND = ();	40	our %COMMAND = ();
37	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
39		47
40	our @EVENT;	48	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
42		50
43	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
45	our $NEXT_TICK;	55	our $NEXT_TICK;
46	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
47		61
48	our %CFG;	62	our %CFG;
49		63
50	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	65	our $RUNTIME;
52		66
53	our %PLAYER; # all users	67	our %PLAYER; # all users
54	our %MAP; # all maps	68	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
58		72
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		78
62	binmode STDOUT;	79	binmode STDOUT;
63	binmode STDERR;	80	binmode STDERR;
64		81
65	# read virtual server time, if available	82	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	89	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
77		95
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
81		99
82	#############################################################################	100	#############################################################################
83		101
84	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
85		103
…		…
156	}	174	}
157		175
158	$Event::DIED = sub {	176	$Event::DIED = sub {
159	warn "error in event callback: @_";	177	warn "error in event callback: @_";
160	};	178	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		179
166	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
167		181
168	=over 4	182	=over 4
169		183
…		…
257	}	271	}
258		272
259	sub freeze_mainloop {	273	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
261		275
262	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
263	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
264	$guard	282	$guard
265	}	283	}
266		284
267	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
319	}	337	}
320	}	338	}
321		339
322	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
323		341
324	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	343	extension calling this is being unloaded.
326		344
327	=cut	345	=cut
328		346
329	sub async_ext(&) {	347	sub async_ext(&) {
…		…
343	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
344		362
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	364	or return;
347		365
		366	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	371	and return;
351		372
		373	# always fsync - this file is important
352	aio_fsync $fh	374	aio_fsync $fh
353	and return;	375	and return;
354		376
355	close $fh	377	close $fh
356	or return;	378	or return;
…		…
362	}	384	}
363		385
364	=back	386	=back
365		387
366	=cut	388	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		389
490	#############################################################################	390	#############################################################################
491		391
492	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
493		393
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	520	our @CB_MAP = ();
621		521
622	my %attachment;	522	my %attachment;
623		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
624	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
626		532
627	use sort 'stable';	533	use sort 'stable';
628		534
…		…
799	# object support	705	# object support
800		706
801	sub reattach {	707	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		712
805	my $registry = $obj->registry;	713	my $registry = $obj->registry;
806		714
807	@$registry = ();	715	@$registry = ();
808		716
…		…
855	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
856		764
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	769	close $fh;
862		770
863	if (@$objs) {	771	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	777	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
871	}	779	}
872	} else {	780	} else {
873	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
879	}	787	}
880	} else {	788	} else {
881	aio_unlink $filename;	789	aio_unlink $filename;
882	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
883	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
884	}	798	}
885	}	799	}
886		800
887	sub object_freezer_as_string {	801	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
894		808
895	sub object_thawer_load {	809	sub object_thawer_load {
896	my ($filename) = @_;	810	my ($filename) = @_;
897		811
898	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
899		816
900	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
901	or return;	818	or return;
902		819
903	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
940	=cut	857	=cut
941		858
942	sub register_extcmd {	859	sub register_extcmd {
943	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
944		861
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
949	}	863	}
950		864
951	cf::player->attach (	865	cf::player->attach (
952	on_command => sub {	866	on_command => sub {
953	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
966		880
967	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
968		882
969	if (ref $msg) {	883	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	887	}
974	}	888	}
975	} else {	889	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		892
979	cf::override;	893	cf::override;
980	},	894	},
981	);	895	);
982		896
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	897	sub load_extension {
990	my ($path) = @_;	898	my ($path) = @_;
991		899
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	901	my $base = $1;
994	my $pkg = $1;	902	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
997		905
998	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
999		907
1000	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	909	or die "$path: $!";
1002		910
1003	my $source =	911	my $source =
1004	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
1007	. "\n};\n1";	915	. "\n};\n1";
1008		916
1009	eval $source	917	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	919	: "extension disabled.\n";
1012		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	921	warn $@;
1014	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1015		923	exit 1;
1016	# no strict 'refs';	924	}
1017	# @{"$pkg\::ISA"} = ext::;	925	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	926	}
1032		927
1033	# remove commands	928	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	929	}
1058		930
1059	sub load_extensions {	931	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	933	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1066	}	938	}
1067	}	939	}
1068		940
1069	#############################################################################	941	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		942
1085	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1086		944
1087	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1088		946
…		…
1124		982
1125	sub exists($) {	983	sub exists($) {
1126	my ($login) = @_;	984	my ($login) = @_;
1127		985
1128	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1130	}	988	}
1131		989
1132	sub find($) {	990	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	992	my $login = $_[0];
…		…
1224	\@logins	1082	\@logins
1225	}	1083	}
1226		1084
1227	=item $player->maps	1085	=item $player->maps
1228		1086
1229	Returns an arrayref of cf::path's of all maps that are private for this	1087	Returns an arrayref of map paths that are private for this
1230	player. May block.	1088	player. May block.
1231		1089
1232	=cut	1090	=cut
1233		1091
1234	sub maps($) {	1092	sub maps($) {
1235	my ($pl) = @_;	1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1096
1237	my $files = aio_readdir playerdir $pl	1097	my $files = aio_readdir playerdir $pl
1238	or return;	1098	or return;
1239		1099
1240	my @paths;	1100	my @paths;
1241		1101
1242	for (@$files) {	1102	for (@$files) {
1243	utf8::decode $_;	1103	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1104	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1105	next unless /^$PATH_SEP/o;
1246		1106
1247	s/$PATH_SEP/\//g;	1107	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1108	}
1250		1109
1251	\@paths	1110	\@paths
1252	}	1111	}
1253		1112
…		…
1279	package cf::map;	1138	package cf::map;
1280		1139
1281	use Fcntl;	1140	use Fcntl;
1282	use Coro::AIO;	1141	use Coro::AIO;
1283		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1284	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1286		1149
1287	sub generate_random_map {	1150	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1153	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1295	}
1305		1296
1306	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1307	# all maps in C++...	1298	# all maps in C++...
1308	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1310		1301
1311	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1313	}	1304	}
1314		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1315	sub try_load_header($) {	1319	sub load_header_from($) {
1316	my ($path) = @_;	1320	my ($self, $path) = @_;
1317		1321
1318	utf8::encode $path;	1322	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1320	or return;	1327	or return;
1321		1328
1322	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1323	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1324		1375
1325	# for better error messages only, will be overwritten	1376	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1377	}
1335		1378
1336	sub find;	1379	sub find;
1337	sub find {	1380	sub find {
1338	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1339		1382
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1384
1345	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1346		1386
1347	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1349		1389	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1390	or return;
1369		1391
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1382		1393
1383	Coro::cede;	1394	$map->load_header
		1395	or return;
1384		1396
1385	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1400	$map->reset;
1387	undef $guard;	1401	undef $guard;
1388	$map = find $path	1402	return find $path;
1389	or return;
1390	}	1403	}
1391		1404
1392	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1393	}	1406	}
1394	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1395		1411
1396	sub load {	1412	sub load {
1397	my ($self) = @_;	1413	my ($self) = @_;
1398		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1399	my $path = $self->{path};	1417	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1401		1419
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1421
1404	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1405		1423
1406	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1407	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1429	or return;
1409		1430
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1432	if delete $self->{load_original};
1412		1433
1413	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1435	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1437	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1418	}	1439	}
1419	}	1440	}
1420		1441
1421	Coro::cede;	1442	Coro::cede;
1422		1443
1423	# now do the right thing for maps	1444	# now do the right thing for maps
1424	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1425		1446
1426	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1448	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1433	$self->set_darkness_map;	1452	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1436	$self->activate;	1456	$self->activate;
1437	}	1457	}
1438		1458
1439	Coro::cede;	1459	$self->post_load;
1440		1460
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1442	}	1471	}
1443		1472
1444	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1474	sub load_diag {
1446	my ($map) = @_;	1475	my ($map) = @_;
…		…
1476		1505
1477	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1478	}	1507	}
1479		1508
1480	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1510	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1511
1496	sub find_async {	1512	sub find_async {
1497	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1498		1514
1499	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1516
1502	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1519	}
1505		1520
1506	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1507	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1508		1535
1509	()	1536	()
1510	}	1537	}
1511		1538
1512	sub save {	1539	sub save {
…		…
1516		1543
1517	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1518		1545
1519	return unless $self->dirty;	1546	return unless $self->dirty;
1520		1547
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1550
1524	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1525		1552
1526	return if $self->{deny_save};	1553	return if $self->{deny_save};
1527		1554
…		…
1530	cf::async {	1557	cf::async {
1531	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1532	};	1559	};
1533		1560
1534	if ($uniq) {	1561	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1564	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1566	}
1540	}	1567	}
1541		1568
1542	sub swap_out {	1569	sub swap_out {
1543	my ($self) = @_;	1570	my ($self) = @_;
…		…
1557		1584
1558	sub reset_at {	1585	sub reset_at {
1559	my ($self) = @_;	1586	my ($self) = @_;
1560		1587
1561	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1564		1591
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1594
…		…
1572	my ($self) = @_;	1599	my ($self) = @_;
1573		1600
1574	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1575	}	1602	}
1576		1603
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1604	sub reset {
1599	my ($self) = @_;	1605	my ($self) = @_;
1600		1606
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1608
1603	return if $self->players;	1609	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1605		1611
1606	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1607		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1608	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1609		1627
1610	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1611		1629
1612	$self->unlink_save;	1630	$self->unlink_save;
1613	$self->destroy;	1631	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1617		1635
1618	sub nuke {	1636	sub nuke {
1619	my ($self) = @_;	1637	my ($self) = @_;
1620		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1624	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1625	}	1652	}
1626		1653
1627	sub customise_for {	1654	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1655
1630	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1632	}
1633		1658
1634	$map	1659	=cut
		1660
		1661	sub unique_maps() {
		1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
		1664
		1665	my @paths;
		1666
		1667	for (@$files) {
		1668	utf8::decode $_;
		1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
		1673	}
		1674
		1675	\@paths
1635	}	1676	}
1636		1677
1637	package cf;	1678	package cf;
1638		1679
1639	=back	1680	=back
…		…
1711		1752
1712	=item $player_object->enter_link	1753	=item $player_object->enter_link
1713		1754
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1756
1716	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1718		1759
		1760	Will never block.
		1761
1719	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1720		1763
1721	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1767	fails, to the emergency map position.
1725		1768
1726	Might block.	1769	Might block.
1727		1770
1728	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1729		1782
1730	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1784	my ($self) = @_;
1732		1785
1733	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1734		1787
1735	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1789
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1791	if $self->map;
1739		1792
1740	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1794	}
1742		1795
1743	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1745		1798
…		…
1809	=cut	1862	=cut
1810		1863
1811	sub cf::object::player::goto {	1864	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1813		1866
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1867	$self->enter_link;
1818		1868
1819	(async {	1869	(async {
		1870	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1822		1873	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1876
1828	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1878	})->prio (1);
1830	}	1879	}
1831		1880
…		…
1835		1884
1836	sub parse_random_map_params {	1885	sub parse_random_map_params {
1837	my ($spec) = @_;	1886	my ($spec) = @_;
1838		1887
1839	my $rmp = { # defaults	1888	my $rmp = { # defaults
1840	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1842	};	1893	};
1843		1894
1844	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1846		1897
…		…
1850	$rmp	1901	$rmp
1851	}	1902	}
1852		1903
1853	sub prepare_random_map {	1904	sub prepare_random_map {
1854	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1908
1856	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1911	# that depends on the exit object
1859		1912
1860	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1861		1914
1862	if ($exit->map) {	1915	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1867	}	1920	}
1868		1921
1869	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1870		1923
1871	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1927
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1876		1932
1877	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1934	$exit->msg (undef);
1879	}	1935	}
1880	}	1936	}
1881		1937
1882	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1884		1940
1885	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1886		1951
1887	$self->enter_link;	1952	$self->enter_link;
1888		1953
1889	(async {	1954	(async {
1890	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	1956	unless (eval {
1892	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		1958
1898	1;	1959	1;
1899	}) {	1960	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1904		1965
1905	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	1967	$self->leave_link;
1907	}	1968	}
…		…
1962	# get handled first	2023	# get handled first
1963	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2026
1966	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2029
1968	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1969		2031
1970	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2033	if (@$queue) {
…		…
2132	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2195	using it, it should be unique.
2134		2196
2135	=over 4	2197	=over 4
2136		2198
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
2144		2200
2145	Returns a single value from the database	2201	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2202
2152	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2153		2204
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2206
2165	=cut	2207	=cut
2166		2208
2167	our $DB;	2209	our $DB;
2168		2210
2169	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
2170	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
2171		2230
2172	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2173	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2174	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2175		2235
2176	my $pid;	2236	unlink $path;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2237	};
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2238	}
2224	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2225	}	2256	}
2226		2257
2227	#############################################################################	2258	#############################################################################
2228	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
2229		2265
2230	sub cfg_load {	2266	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2268	or return;
2233		2269
…		…
2246	};	2282	};
2247	warn $@ if $@;	2283	warn $@ if $@;
2248	}	2284	}
2249	}	2285	}
2250		2286
		2287	sub init {
		2288	load_resources;
		2289	}
		2290
2251	sub main {	2291	sub main {
2252	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2255	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2256	};	2298	};
2257		2299
2258	cfg_load;	2300	cfg_load;
2259	db_load;	2301	db_init;
2260	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2261	Event::loop;	2305	Event::loop;
2262	}	2306	}
2263		2307
2264	#############################################################################	2308	#############################################################################
2265	# initialisation and cleanup	2309	# initialisation and cleanup
2266		2310
2267	# install some emergency cleanup handlers	2311	# install some emergency cleanup handlers
2268	BEGIN {	2312	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2313	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2314	Event->signal (
		2315	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2316	data => WF_AUTOCANCEL,
2272	signal => $signal,	2317	signal => $signal,
		2318	prio => 0,
2273	cb => sub {	2319	cb => sub {
2274	cf::cleanup "SIG$signal";	2320	cf::cleanup "SIG$signal";
2275	},	2321	},
2276	);	2322	);
2277	}	2323	}
2278	}	2324	}
…		…
2283	warn "enter emergency perl save\n";	2329	warn "enter emergency perl save\n";
2284		2330
2285	cf::sync_job {	2331	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2332	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2333	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2334	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2335	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2336	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2337	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2338	$pl->valid or next;
2293	$pl->save;	2339	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2345	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2346	$map->valid or next;
2301	$map->save;	2347	$map->save;
2302	}	2348	}
2303	warn "end emergency map save\n";	2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
2304	};	2354	};
2305		2355
2306	warn "leave emergency perl save\n";	2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
2307	}	2364	}
2308		2365
2309	sub reload() {	2366	sub reload() {
2310	# can/must only be called in main	2367	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2313	return;	2370	return;
2314	}	2371	}
2315		2372
2316	warn "reloading...";	2373	warn "reloading...";
2317		2374
2318	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	sync_job {
		2378	write_runtime;
2319	cf::emergency_save;	2379	cf::emergency_save;
		2380	write_runtime;
2320		2381
2321	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2322	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2323		2386
2324	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2390	}
2328		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2329	# cancel all extension coros	2401	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2403	%EXT_CORO = ();
2332		2404
2333	# unload all extensions	2405	warn "removing commands";
2334	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2336	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2420	}
2338		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2339	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2429
2343	warn "removing <$k>";	2430	warn "... unloading $k";
2344	delete $INC{$k};	2431	delete $INC{$k};
2345		2432
2346	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2348		2435
…		…
2351	}	2438	}
2352		2439
2353	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2354	}	2441	}
2355		2442
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2446
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2369		2449
2370	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2451	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2373		2453
2374	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2375	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2376	require cf;	2457	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2459
2379	# load config and database again	2460	warn "loading config and database again";
2380	cf::cfg_load;	2461	cf::cfg_load;
2381	cf::db_load;
2382		2462
2383	# load extensions
2384	warn "load extensions";	2463	warn "loading extensions";
2385	cf::load_extensions;	2464	cf::load_extensions;
2386		2465
2387	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2388	warn "reattach";
2389	_global_reattach;	2467	_global_reattach;
		2468	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2469	reattach $_ for values %MAP;
2391	};
2392		2470
2393	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2394	warn $@;	2478	warn $@;
2395	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2396	exit 1;	2480	exit 1;
2397	}	2481	};
2398		2482
2399	warn "reloaded successfully";	2483	warn "reloaded";
2400	};	2484	};
2401		2485
2402	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2487
2447	register_command "reload" => sub {	2488	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2449		2490
2450	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2452	reload;	2502	reload;
2453	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2454	}	2506	}
2455	};	2507	};
2456		2508
2457	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2458		2512
2459	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2461	prio => 0,	2516	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2464	cb => sub {	2519	cb => sub {
		2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2465	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
2468		2531
2469	$WAIT_FOR_TICK->broadcast;	2532	$WAIT_FOR_TICK->broadcast;
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2534
		2535	# my $AFTER = Event::time;
		2536	# warn $AFTER - $NOW;#d#
2471		2537
2472	# if we are delayed by four ticks or more, skip them all	2538	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2540
2475	$TICK_WATCHER->at ($NEXT_TICK);	2541	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2542	$TICK_WATCHER->start;
2477	},	2543	},
2478	);	2544	);
2479		2545
		2546	{
		2547	BDB::max_poll_time $TICK * 0.1;
		2548	$BDB_POLL_WATCHER = Event->io (
		2549	reentrant => 0,
		2550	fd => BDB::poll_fileno,
		2551	poll => 'r',
		2552	prio => 0,
		2553	data => WF_AUTOCANCEL,
		2554	cb => \&BDB::poll_cb,
		2555	);
		2556	BDB::min_parallel 8;
		2557
		2558	BDB::set_sync_prepare {
		2559	my $status;
		2560	my $current = $Coro::current;
		2561	(
		2562	sub {
		2563	$status = $!;
		2564	$current->ready; undef $current;
		2565	},
		2566	sub {
		2567	Coro::schedule while defined $current;
		2568	$! = $status;
		2569	},
		2570	)
		2571	};
		2572
		2573	unless ($DB_ENV) {
		2574	$DB_ENV = BDB::db_env_create;
		2575
		2576	cf::sync_job {
		2577	eval {
		2578	BDB::db_env_open
		2579	$DB_ENV,
		2580	$BDB_ENV_DIR,
		2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2583	0666;
		2584
		2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2586
		2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2588	$DB_ENV->set_lk_detect;
		2589	};
		2590
		2591	cf::cleanup "db_env_open(db): $@" if $@;
		2592	};
		2593	}
		2594	}
		2595
		2596	{
		2597	IO::AIO::min_parallel 8;
		2598
		2599	undef $Coro::AIO::WATCHER;
2480	IO::AIO::max_poll_time $TICK * 0.2;	2600	IO::AIO::max_poll_time $TICK * 0.1;
2481		2601	$AIO_POLL_WATCHER = Event->io (
2482	Event->io (	2602	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2603	fd => IO::AIO::poll_fileno,
2484	poll => 'r',	2604	poll => 'r',
2485	prio => 5,	2605	prio => 6,
2486	data => WF_AUTOCANCEL,	2606	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,	2607	cb => \&IO::AIO::poll_cb,
2488	);	2608	);
		2609	}
2489		2610
2490	Event->timer (	2611	$WRITE_RUNTIME_WATCHER = Event->timer (
		2612	reentrant => 0,
2491	data => WF_AUTOCANCEL,	2613	data => WF_AUTOCANCEL,
		2614	parked => 1,
2492	after => 0,	2615	after => 1,
2493	interval => 10,	2616	interval => 10,
		2617	prio => 6, # keep it lowest so it acts like a watchdog
2494	cb => sub {	2618	cb => sub {
2495	(Coro::unblock_sub {	2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2620
		2621	Coro::async_pool {
2496	write_runtime	2622	write_runtime
2497	or warn "ERROR: unable to write runtime file: $!";	2623	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	2624	};
2499	},	2625	},
2500	);	2626	);
2501		2627
2502	END { cf::emergency_save }	2628	END { cf::emergency_save }
2503		2629

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