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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
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	};
263	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
264	$guard	280	$guard
265	}	281	}
266		282
267	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
319	}	335	}
320	}	336	}
321		337
322	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
323		339
324	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	341	extension calling this is being unloaded.
326		342
327	=cut	343	=cut
328		344
329	sub async_ext(&) {	345	sub async_ext(&) {
…		…
338		354
339	$coro	355	$coro
340	}	356	}
341		357
342	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
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";
…		…
940	=cut	848	=cut
941		849
942	sub register_extcmd {	850	sub register_extcmd {
943	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
944		852
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
949	}	854	}
950		855
951	cf::player->attach (	856	cf::player->attach (
952	on_command => sub {	857	on_command => sub {
953	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
966		871
967	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
968		873
969	if (ref $msg) {	874	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	878	}
974	}	879	}
975	} else {	880	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		883
979	cf::override;	884	cf::override;
980	},	885	},
981	);	886	);
982		887
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	888	sub load_extension {
990	my ($path) = @_;	889	my ($path) = @_;
991		890
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	892	my $base = $1;
994	my $pkg = $1;	893	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
997		896
998	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
999		898
1000	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	900	or die "$path: $!";
1002		901
1003	my $source =	902	my $source =
1004	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1007	. "\n};\n1";	906	. "\n};\n1";
1008		907
1009	eval $source	908	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	910	: "extension disabled.\n";
1012		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	912	warn $@;
1014	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1015		914	exit 1;
1016	# no strict 'refs';	915	}
1017	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
1032		918
1033	# remove commands	919	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	}	920	}
1058		921
1059	sub load_extensions {	922	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	924	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1066	}	929	}
1067	}	930	}
1068		931
1069	#############################################################################	932	#############################################################################
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		933
1085	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1086		935
1087	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1088		937
…		…
1124		973
1125	sub exists($) {	974	sub exists($) {
1126	my ($login) = @_;	975	my ($login) = @_;
1127		976
1128	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1130	}	979	}
1131		980
1132	sub find($) {	981	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	983	my $login = $_[0];
…		…
1224	\@logins	1073	\@logins
1225	}	1074	}
1226		1075
1227	=item $player->maps	1076	=item $player->maps
1228		1077
1229	Returns an arrayref of cf::path's of all maps that are private for this	1078	Returns an arrayref of map paths that are private for this
1230	player. May block.	1079	player. May block.
1231		1080
1232	=cut	1081	=cut
1233		1082
1234	sub maps($) {	1083	sub maps($) {
1235	my ($pl) = @_;	1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1087
1237	my $files = aio_readdir playerdir $pl	1088	my $files = aio_readdir playerdir $pl
1238	or return;	1089	or return;
1239		1090
1240	my @paths;	1091	my @paths;
1241		1092
1242	for (@$files) {	1093	for (@$files) {
1243	utf8::decode $_;	1094	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1095	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1096	next unless /^$PATH_SEP/o;
1246		1097
1247	s/$PATH_SEP/\//g;	1098	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1099	}
1250		1100
1251	\@paths	1101	\@paths
1252	}	1102	}
1253		1103
…		…
1279	package cf::map;	1129	package cf::map;
1280		1130
1281	use Fcntl;	1131	use Fcntl;
1282	use Coro::AIO;	1132	use Coro::AIO;
1283		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1284	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1286		1140
1287	sub generate_random_map {	1141	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1144	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1286	}
1305		1287
1306	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1307	# all maps in C++...	1289	# all maps in C++...
1308	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1310		1292
1311	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1313	}	1295	}
1314		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1315	sub try_load_header($) {	1305	sub load_header_from($) {
1316	my ($path) = @_;	1306	my ($self, $path) = @_;
1317		1307
1318	utf8::encode $path;	1308	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1320	or return;	1313	or return;
1321		1314
1322	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1323	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1324		1361
1325	# for better error messages only, will be overwritten	1362	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1363	}
1335		1364
1336	sub find;	1365	sub find;
1337	sub find {	1366	sub find {
1338	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1339		1368
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1370
1345	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1346		1372
1347	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1349		1375	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;	1376	or return;
1369		1377
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;	1378	$map->{last_save} = $cf::RUNTIME;
1382		1379
1383	Coro::cede;	1380	$map->load_header
		1381	or return;
1384		1382
1385	if ($map->should_reset) {	1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1386	$map->reset;
1387	undef $guard;	1387	undef $guard;
1388	$map = find $path	1388	return find $path;
1389	or return;
1390	}	1389	}
1391		1390
1392	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1393	}	1392	}
1394	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1395		1397
1396	sub load {	1398	sub load {
1397	my ($self) = @_;	1399	my ($self) = @_;
1398		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1399	my $path = $self->{path};	1403	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1401		1405
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1407
1404	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1405		1409
1406	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1407	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1415	or return;
1409		1416
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1418	if delete $self->{load_original};
1412		1419
1413	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1421	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1423	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1418	}	1425	}
1419	}	1426	}
1420		1427
1421	Coro::cede;	1428	Coro::cede;
1422		1429
1423	# now do the right thing for maps	1430	# now do the right thing for maps
1424	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1425		1432
1426	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1434	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1433	$self->set_darkness_map;	1438	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1436	$self->activate;	1442	$self->activate;
1437	}	1443	}
1438		1444
1439	Coro::cede;	1445	$self->post_load;
1440		1446
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
		1448	}
		1449
		1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
1442	}	1481	}
1443		1482
1444	sub find_sync {	1483	sub find_sync {
1445	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1446		1485
1447	cf::sync_job { cf::map::find $path, $origin }	1486	cf::sync_job { find $path, $origin }
1448	}	1487	}
1449		1488
1450	sub do_load_sync {	1489	sub do_load_sync {
1451	my ($map) = @_;	1490	my ($map) = @_;
1452		1491
1453	cf::sync_job { $map->load };	1492	cf::sync_job { $map->load };
1454	}	1493	}
1455		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
		1513	$map->load;
		1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
		1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
		1523	}
		1524
1456	sub save {	1525	sub save {
1457	my ($self) = @_;	1526	my ($self) = @_;
1458		1527
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1529
1461	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1462		1531
1463	return unless $self->dirty;	1532	return unless $self->dirty;
1464		1533
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1536
1468	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1469		1538
1470	return if $self->{deny_save};	1539	return if $self->{deny_save};
1471		1540
…		…
1474	cf::async {	1543	cf::async {
1475	$_->contr->save for $self->players;	1544	$_->contr->save for $self->players;
1476	};	1545	};
1477		1546
1478	if ($uniq) {	1547	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1550	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1552	}
1484	}	1553	}
1485		1554
1486	sub swap_out {	1555	sub swap_out {
1487	my ($self) = @_;	1556	my ($self) = @_;
…		…
1501		1570
1502	sub reset_at {	1571	sub reset_at {
1503	my ($self) = @_;	1572	my ($self) = @_;
1504		1573
1505	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1508		1577
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1580
…		…
1516	my ($self) = @_;	1585	my ($self) = @_;
1517		1586
1518	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1519	}	1588	}
1520		1589
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1590	sub reset {
1543	my ($self) = @_;	1591	my ($self) = @_;
1544		1592
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1594
1547	return if $self->players;	1595	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1549		1597
1550	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1551		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1552	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1553		1613
1554	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1555		1615
1556	$self->unlink_save;	1616	$self->unlink_save;
1557	$self->destroy;	1617	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1561		1621
1562	sub nuke {	1622	sub nuke {
1563	my ($self) = @_;	1623	my ($self) = @_;
1564		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1568	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1569	}	1638	}
1570		1639
1571	sub customise_for {	1640	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1641
1574	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1576	}
1577		1644
1578	$map	1645	=cut
		1646
		1647	sub unique_maps() {
		1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
		1650
		1651	my @paths;
		1652
		1653	for (@$files) {
		1654	utf8::decode $_;
		1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
		1659	}
		1660
		1661	\@paths
1579	}	1662	}
1580		1663
1581	package cf;	1664	package cf;
1582		1665
1583	=back	1666	=back
…		…
1655		1738
1656	=item $player_object->enter_link	1739	=item $player_object->enter_link
1657		1740
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1742
1660	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1662		1745
		1746	Will never block.
		1747
1663	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1664		1749
1665	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1753	fails, to the emergency map position.
1669		1754
1670	Might block.	1755	Might block.
1671		1756
1672	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1673		1768
1674	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1770	my ($self) = @_;
1676		1771
1677	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1678		1773
1679	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1775
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1777	if $self->map;
1683		1778
1684	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1780	}
1686		1781
1687	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1689		1784
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1710		1805
1711	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1712		1808
1713	return unless $self->contr->active;	1809	return unless $self->contr->active;
1714	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1716	}	1814	}
1717		1815
1718	cf::player->attach (	1816	cf::player->attach (
1719	on_logout => sub {	1817	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1831	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1736	(async {	1834	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1835	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1836	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1837	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1838	cf::NDI_RED);
		1839	# we need this sleep as the login has a concurrent enter_exit running
		1840	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1745	})->prio (2);	1843	})->prio (2);
1746	}	1844	}
1747	},	1845	},
…		…
1752	=cut	1850	=cut
1753		1851
1754	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1756		1854
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1855	$self->enter_link;
1761		1856
1762	(async {	1857	(async {
		1858	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1765		1861	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1864
1771	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1866	})->prio (1);
1773	}	1867	}
1774		1868
…		…
1778		1872
1779	sub parse_random_map_params {	1873	sub parse_random_map_params {
1780	my ($spec) = @_;	1874	my ($spec) = @_;
1781		1875
1782	my $rmp = { # defaults	1876	my $rmp = { # defaults
1783	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1785	};	1881	};
1786		1882
1787	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1789		1885
…		…
1793	$rmp	1889	$rmp
1794	}	1890	}
1795		1891
1796	sub prepare_random_map {	1892	sub prepare_random_map {
1797	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1896
1799	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1899	# that depends on the exit object
1802		1900
1803	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1804		1902
1805	if ($exit->map) {	1903	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1810	}	1908	}
1811		1909
1812	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1813		1911
1814	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1915
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1819		1920
1820	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1922	$exit->msg (undef);
1822	}	1923	}
1823	}	1924	}
1824		1925
1825	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1827		1928
1828	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1829		1939
1830	$self->enter_link;	1940	$self->enter_link;
1831		1941
1832	(async {	1942	(async {
1833	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1944	unless (eval {
1835	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		1946
1841	1;	1947	1;
1842	}) {	1948	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1953
1848	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1955	$self->leave_link;
1850	}	1956	}
…		…
1905	# get handled first	2011	# get handled first
1906	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2014
1909	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2017
1911	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1912		2019
1913	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2021	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2183	using it, it should be unique.
2077		2184
2078	=over 4	2185	=over 4
2079		2186
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
2087		2188
2088	Returns a single value from the database	2189	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2190
2095	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
2096		2192
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2194
2108	=cut	2195	=cut
2109		2196
2110	our $DB;	2197	our $DB;
2111		2198
2112	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
2113	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
2114		2218
2115	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2223
2119	my $pid;	2224	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2225	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2226	}
2167	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2244	}
2169		2245
2170	#############################################################################	2246	#############################################################################
2171	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
2172		2253
2173	sub cfg_load {	2254	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2256	or return;
2176		2257
…		…
2189	};	2270	};
2190	warn $@ if $@;	2271	warn $@ if $@;
2191	}	2272	}
2192	}	2273	}
2193		2274
		2275	sub init {
		2276	init_resources;
		2277	}
		2278
2194	sub main {	2279	sub main {
2195	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2283	(async {
2198	async { Event::one_event };	2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2199	};	2286	};
2200		2287
2201	cfg_load;	2288	cfg_load;
2202	db_load;	2289	db_init;
2203	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2204	Event::loop;	2293	Event::loop;
2205	}	2294	}
2206		2295
2207	#############################################################################	2296	#############################################################################
2208	# initialisation and cleanup	2297	# initialisation and cleanup
2209		2298
2210	# install some emergency cleanup handlers	2299	# install some emergency cleanup handlers
2211	BEGIN {	2300	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2301	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2302	Event->signal (
		2303	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2304	data => WF_AUTOCANCEL,
2215	signal => $signal,	2305	signal => $signal,
		2306	prio => 0,
2216	cb => sub {	2307	cb => sub {
2217	cf::cleanup "SIG$signal";	2308	cf::cleanup "SIG$signal";
2218	},	2309	},
2219	);	2310	);
2220	}	2311	}
2221	}	2312	}
…		…
2226	warn "enter emergency perl save\n";	2317	warn "enter emergency perl save\n";
2227		2318
2228	cf::sync_job {	2319	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2320	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2321	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2322	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2323	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2324	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2325	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2326	$pl->valid or next;
2236	$pl->save;	2327	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2333	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2334	$map->valid or next;
2244	$map->save;	2335	$map->save;
2245	}	2336	}
2246	warn "end emergency map save\n";	2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
2247	};	2342	};
2248		2343
2249	warn "leave emergency perl save\n";	2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
2250	}	2352	}
2251		2353
2252	sub reload() {	2354	sub reload() {
2253	# can/must only be called in main	2355	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2256	return;	2358	return;
2257	}	2359	}
2258		2360
2259	warn "reloading...";	2361	warn "reloading...";
2260		2362
2261	my $guard = freeze_mainloop;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2263		2369
2264	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2265	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2266		2374
2267	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2378	}
2271		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2272	# cancel all extension coros	2389	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2391	%EXT_CORO = ();
2275		2392
2276	# unload all extensions	2393	warn "removing commands";
2277	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2279	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2408	}
2281		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2282	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2417
2286	warn "removing <$k>";	2418	warn "... unloading $k";
2287	delete $INC{$k};	2419	delete $INC{$k};
2288		2420
2289	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2291		2423
…		…
2294	}	2426	}
2295		2427
2296	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2297	}	2429	}
2298		2430
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2434
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2312		2437
2313	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2439	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2316		2441
2317	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2318	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2319	require cf;	2445	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2447
2322	# load config and database again	2448	warn "loading config and database again";
2323	cf::cfg_load;	2449	cf::cfg_load;
2324	cf::db_load;
2325		2450
2326	# load extensions
2327	warn "load extensions";	2451	warn "loading extensions";
2328	cf::load_extensions;	2452	cf::load_extensions;
2329		2453
2330	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2331	warn "reattach";
2332	_global_reattach;	2455	_global_reattach;
		2456	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2457	reattach $_ for values %MAP;
2334	};
2335		2458
2336	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2337	warn $@;	2466	warn $@;
2338	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2339	exit 1;	2468	exit 1;
2340	}	2469	};
2341		2470
2342	warn "reloaded successfully";	2471	warn "reloaded";
2343	};	2472	};
2344		2473
2345	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2475
2390	register_command "reload" => sub {	2476	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2392		2478
2393	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2395	reload;	2490	reload;
2396	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2397	}	2494	}
2398	};	2495	};
2399		2496
2400	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2401		2500
2402	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2404	prio => 0,	2504	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2407	cb => sub {	2507	cb => sub {
		2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2408	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
2411		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
2412	$WAIT_FOR_TICK->broadcast;	2528	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2414		2533
2415	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2536
2418	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2420	},	2539	},
2421	);	2540	);
2422		2541
		2542	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2424		2544	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2545	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2427	poll => 'r',	2547	poll => 'r',
2428	prio => 5,	2548	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2435	after => 0,	2550	cb => \&BDB::poll_cb,
2436	interval => 10,	2551	);
2437	cb => sub {	2552	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2553
2439	write_runtime	2554	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2588	};
2442	},	2589	}
2443	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2444		2606
2445	END { cf::emergency_save }	2607	END { cf::emergency_save }
2446		2608
2447	1	2609	1
2448		2610

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