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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 1.218 by root, Sat Feb 17 01:58:55 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(&) {
…		…
343	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
344		360
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	362	or return;
347		363
		364	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	369	and return;
351		370
		371	# always fsync - this file is important
352	aio_fsync $fh	372	aio_fsync $fh
353	and return;	373	and return;
354		374
355	close $fh	375	close $fh
356	or return;	376	or return;
…		…
362	}	382	}
363		383
364	=back	384	=back
365		385
366	=cut	386	=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		387
490	#############################################################################	388	#############################################################################
491		389
492	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
493		391
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	518	our @CB_MAP = ();
621		519
622	my %attachment;	520	my %attachment;
623		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
624	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
626		530
627	use sort 'stable';	531	use sort 'stable';
628		532
…		…
799	# object support	703	# object support
800		704
801	sub reattach {	705	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		710
805	my $registry = $obj->registry;	711	my $registry = $obj->registry;
806		712
807	@$registry = ();	713	@$registry = ();
808		714
…		…
855	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
856		762
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	767	close $fh;
862		768
863	if (@$objs) {	769	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	775	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
871	}	777	}
872	} else {	778	} else {
873	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
940	=cut	846	=cut
941		847
942	sub register_extcmd {	848	sub register_extcmd {
943	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
944		850
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
949	}	852	}
950		853
951	cf::player->attach (	854	cf::player->attach (
952	on_command => sub {	855	on_command => sub {
953	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
966		869
967	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
968		871
969	if (ref $msg) {	872	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	876	}
974	}	877	}
975	} else {	878	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		881
979	cf::override;	882	cf::override;
980	},	883	},
981	);	884	);
982		885
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	886	sub load_extension {
990	my ($path) = @_;	887	my ($path) = @_;
991		888
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	890	my $base = $1;
994	my $pkg = $1;	891	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
997		894
998	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
999		896
1000	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	898	or die "$path: $!";
1002		899
1003	my $source =	900	my $source =
1004	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1007	. "\n};\n1";	904	. "\n};\n1";
1008		905
1009	eval $source	906	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	908	: "extension disabled.\n";
1012		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	910	warn $@;
1014	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1015		912	exit 1;
1016	# no strict 'refs';	913	}
1017	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
1032		916
1033	# remove commands	917	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	}	918	}
1058		919
1059	sub load_extensions {	920	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	922	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1066	}	927	}
1067	}	928	}
1068		929
1069	#############################################################################	930	#############################################################################
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		931
1085	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1086		933
1087	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1088		935
…		…
1124		971
1125	sub exists($) {	972	sub exists($) {
1126	my ($login) = @_;	973	my ($login) = @_;
1127		974
1128	$cf::PLAYER{$login}	975	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	976	or cf::sync_job { !aio_stat path $login }
1130	}	977	}
1131		978
1132	sub find($) {	979	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	980	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	981	my $login = $_[0];
…		…
1224	\@logins	1071	\@logins
1225	}	1072	}
1226		1073
1227	=item $player->maps	1074	=item $player->maps
1228		1075
1229	Returns an arrayref of cf::path's of all maps that are private for this	1076	Returns an arrayref of map paths that are private for this
1230	player. May block.	1077	player. May block.
1231		1078
1232	=cut	1079	=cut
1233		1080
1234	sub maps($) {	1081	sub maps($) {
1235	my ($pl) = @_;	1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1085
1237	my $files = aio_readdir playerdir $pl	1086	my $files = aio_readdir playerdir $pl
1238	or return;	1087	or return;
1239		1088
1240	my @paths;	1089	my @paths;
1241		1090
1242	for (@$files) {	1091	for (@$files) {
1243	utf8::decode $_;	1092	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1093	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1094	next unless /^$PATH_SEP/o;
1246		1095
1247	s/$PATH_SEP/\//g;	1096	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1097	}
1250		1098
1251	\@paths	1099	\@paths
1252	}	1100	}
1253		1101
…		…
1279	package cf::map;	1127	package cf::map;
1280		1128
1281	use Fcntl;	1129	use Fcntl;
1282	use Coro::AIO;	1130	use Coro::AIO;
1283		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1284	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1286		1138
1287	sub generate_random_map {	1139	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1142	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1284	}
1305		1285
1306	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1307	# all maps in C++...	1287	# all maps in C++...
1308	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1310		1290
1311	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1313	}	1293	}
1314		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1315	sub try_load_header($) {	1303	sub load_header_from($) {
1316	my ($path) = @_;	1304	my ($self, $path) = @_;
1317		1305
1318	utf8::encode $path;	1306	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1320	or return;	1311	or return;
1321		1312
1322	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1323	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1324		1359
1325	# for better error messages only, will be overwritten	1360	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1361	}
1335		1362
1336	sub find;	1363	sub find;
1337	sub find {	1364	sub find {
1338	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1339		1366
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1368
1345	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1346		1370
1347	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1349		1373	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;	1374	or return;
1369		1375
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;	1376	$map->{last_save} = $cf::RUNTIME;
1382		1377
1383	Coro::cede;	1378	$map->load_header
		1379	or return;
1384		1380
1385	if ($map->should_reset) {	1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1384	$map->reset;
1387	undef $guard;	1385	undef $guard;
1388	$map = find $path	1386	return find $path;
1389	or return;
1390	}	1387	}
1391		1388
1392	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1393	}	1390	}
1394	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1395		1395
1396	sub load {	1396	sub load {
1397	my ($self) = @_;	1397	my ($self) = @_;
1398		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1399	my $path = $self->{path};	1401	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1401		1403
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1405
1404	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1405		1407
1406	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1407	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1413	or return;
1409		1414
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1416	if delete $self->{load_original};
1412		1417
1413	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1419	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1421	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1418	}	1423	}
1419	}	1424	}
1420		1425
1421	Coro::cede;	1426	Coro::cede;
1422		1427
1423	# now do the right thing for maps	1428	# now do the right thing for maps
1424	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1425		1430
1426	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1432	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1433	$self->set_darkness_map;	1436	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1436	$self->activate;	1440	$self->activate;
1437	}	1441	}
1438		1442
1439	Coro::cede;	1443	$self->post_load;
1440		1444
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1442	}	1479	}
1443		1480
1444	sub find_sync {	1481	sub find_sync {
1445	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1446		1483
1447	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1448	}	1485	}
1449		1486
1450	sub do_load_sync {	1487	sub do_load_sync {
1451	my ($map) = @_;	1488	my ($map) = @_;
1452		1489
1453	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1454	}	1491	}
1455		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1456	sub save {	1523	sub save {
1457	my ($self) = @_;	1524	my ($self) = @_;
1458		1525
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1527
1461	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1462		1529
1463	return unless $self->dirty;	1530	return unless $self->dirty;
1464		1531
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1534
1468	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1469		1536
1470	return if $self->{deny_save};	1537	return if $self->{deny_save};
1471		1538
…		…
1474	cf::async {	1541	cf::async {
1475	$_->contr->save for $self->players;	1542	$_->contr->save for $self->players;
1476	};	1543	};
1477		1544
1478	if ($uniq) {	1545	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1548	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1550	}
1484	}	1551	}
1485		1552
1486	sub swap_out {	1553	sub swap_out {
1487	my ($self) = @_;	1554	my ($self) = @_;
…		…
1501		1568
1502	sub reset_at {	1569	sub reset_at {
1503	my ($self) = @_;	1570	my ($self) = @_;
1504		1571
1505	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1508		1575
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1578
…		…
1516	my ($self) = @_;	1583	my ($self) = @_;
1517		1584
1518	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1519	}	1586	}
1520		1587
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 {	1588	sub reset {
1543	my ($self) = @_;	1589	my ($self) = @_;
1544		1590
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1592
1547	return if $self->players;	1593	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1549		1595
1550	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1551		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1552	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1553		1611
1554	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1555		1613
1556	$self->unlink_save;	1614	$self->unlink_save;
1557	$self->destroy;	1615	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1561		1619
1562	sub nuke {	1620	sub nuke {
1563	my ($self) = @_;	1621	my ($self) = @_;
1564		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1568	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1569	}	1636	}
1570		1637
1571	sub customise_for {	1638	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1639
1574	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1576	}
1577		1642
1578	$map	1643	=cut
		1644
		1645	sub unique_maps() {
		1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
		1648
		1649	my @paths;
		1650
		1651	for (@$files) {
		1652	utf8::decode $_;
		1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
		1657	}
		1658
		1659	\@paths
1579	}	1660	}
1580		1661
1581	package cf;	1662	package cf;
1582		1663
1583	=back	1664	=back
…		…
1655		1736
1656	=item $player_object->enter_link	1737	=item $player_object->enter_link
1657		1738
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1740
1660	The player should be reaosnably safe there for short amounts of time. You	1741	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.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1662		1743
		1744	Will never block.
		1745
1663	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1664		1747
1665	Moves the player out of the specila link map onto the given map. If the	1748	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	1749	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,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1751	fails, to the emergency map position.
1669		1752
1670	Might block.	1753	Might block.
1671		1754
1672	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1673		1766
1674	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1768	my ($self) = @_;
1676		1769
1677	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1678		1771
1679	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1773
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1775	if $self->map;
1683		1776
1684	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1778	}
1686		1779
1687	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1689		1782
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1710		1803
1711	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1712		1806
1713	return unless $self->contr->active;	1807	return unless $self->contr->active;
1714	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1716	}	1812	}
1717		1813
1718	cf::player->attach (	1814	cf::player->attach (
1719	on_logout => sub {	1815	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1829	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1736	(async {	1832	(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,	1833	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1834	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1835	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1836	cf::NDI_RED);
		1837	# we need this sleep as the login has a concurrent enter_exit running
		1838	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1745	})->prio (2);	1841	})->prio (2);
1746	}	1842	}
1747	},	1843	},
…		…
1752	=cut	1848	=cut
1753		1849
1754	sub cf::object::player::goto {	1850	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1756		1852
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1853	$self->enter_link;
1761		1854
1762	(async {	1855	(async {
		1856	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1765		1859	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1862
1771	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1864	})->prio (1);
1773	}	1865	}
1774		1866
…		…
1778		1870
1779	sub parse_random_map_params {	1871	sub parse_random_map_params {
1780	my ($spec) = @_;	1872	my ($spec) = @_;
1781		1873
1782	my $rmp = { # defaults	1874	my $rmp = { # defaults
1783	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1785	};	1879	};
1786		1880
1787	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1789		1883
…		…
1793	$rmp	1887	$rmp
1794	}	1888	}
1795		1889
1796	sub prepare_random_map {	1890	sub prepare_random_map {
1797	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1894
1799	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1897	# that depends on the exit object
1802		1898
1803	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1804		1900
1805	if ($exit->map) {	1901	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1810	}	1906	}
1811		1907
1812	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1813		1909
1814	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1913
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1819		1918
1820	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1920	$exit->msg (undef);
1822	}	1921	}
1823	}	1922	}
1824		1923
1825	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1827		1926
1828	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
1829		1937
1830	$self->enter_link;	1938	$self->enter_link;
1831		1939
1832	(async {	1940	(async {
1833	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1942	unless (eval {
1835	prepare_random_map $exit	1943	$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		1944
1841	1;	1945	1;
1842	}) {	1946	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1951
1848	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1953	$self->leave_link;
1850	}	1954	}
…		…
1905	# get handled first	2009	# get handled first
1906	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2012
1909	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2015
1911	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1912		2017
1913	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2019	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2181	using it, it should be unique.
2077		2182
2078	=over 4	2183	=over 4
2079		2184
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	2185	=item $value = cf::db_get $family => $key
2087		2186
2088	Returns a single value from the database	2187	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		2188
2095	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
2096		2190
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	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		2192
2108	=cut	2193	=cut
2109		2194
2110	our $DB;	2195	our $DB;
2111		2196
2112	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
2113	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
2114		2216
2115	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2221
2119	my $pid;	2222	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	}	2223	};
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	},	2224	}
2167	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2242	}
2169		2243
2170	#############################################################################	2244	#############################################################################
2171	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
2172		2251
2173	sub cfg_load {	2252	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2254	or return;
2176		2255
…		…
2189	};	2268	};
2190	warn $@ if $@;	2269	warn $@ if $@;
2191	}	2270	}
2192	}	2271	}
2193		2272
		2273	sub init {
		2274	init_resources;
		2275	}
		2276
2194	sub main {	2277	sub main {
2195	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2281	(async {
2198	async { Event::one_event };	2282	Event::one_event;
		2283	})->prio (Coro::PRIO_MAX);
2199	};	2284	};
2200		2285
2201	cfg_load;	2286	cfg_load;
2202	db_load;	2287	db_init;
2203	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2204	Event::loop;	2291	Event::loop;
2205	}	2292	}
2206		2293
2207	#############################################################################	2294	#############################################################################
2208	# initialisation and cleanup	2295	# initialisation and cleanup
2209		2296
2210	# install some emergency cleanup handlers	2297	# install some emergency cleanup handlers
2211	BEGIN {	2298	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2299	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2300	Event->signal (
		2301	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2302	data => WF_AUTOCANCEL,
2215	signal => $signal,	2303	signal => $signal,
		2304	prio => 0,
2216	cb => sub {	2305	cb => sub {
2217	cf::cleanup "SIG$signal";	2306	cf::cleanup "SIG$signal";
2218	},	2307	},
2219	);	2308	);
2220	}	2309	}
2221	}	2310	}
…		…
2226	warn "enter emergency perl save\n";	2315	warn "enter emergency perl save\n";
2227		2316
2228	cf::sync_job {	2317	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2318	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2319	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2320	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2321	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2322	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2323	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2324	$pl->valid or next;
2236	$pl->save;	2325	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2331	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2332	$map->valid or next;
2244	$map->save;	2333	$map->save;
2245	}	2334	}
2246	warn "end emergency map save\n";	2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
2247	};	2340	};
2248		2341
2249	warn "leave emergency perl save\n";	2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
2250	}	2350	}
2251		2351
2252	sub reload() {	2352	sub reload() {
2253	# can/must only be called in main	2353	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2256	return;	2356	return;
2257	}	2357	}
2258		2358
2259	warn "reloading...";	2359	warn "reloading...";
2260		2360
2261	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2263		2367
2264	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2265	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2266		2372
2267	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2376	}
2271		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2272	# cancel all extension coros	2387	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2389	%EXT_CORO = ();
2275		2390
2276	# unload all extensions	2391	warn "removing commands";
2277	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2279	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2406	}
2281		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2282	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2415
2286	warn "removing <$k>";	2416	warn "... unloading $k";
2287	delete $INC{$k};	2417	delete $INC{$k};
2288		2418
2289	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2291		2421
…		…
2294	}	2424	}
2295		2425
2296	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2297	}	2427	}
2298		2428
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2432
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2312		2435
2313	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2437	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2316		2439
2317	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2318	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2319	require cf;	2443	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2445
2322	# load config and database again	2446	warn "loading config and database again";
2323	cf::cfg_load;	2447	cf::cfg_load;
2324	cf::db_load;
2325		2448
2326	# load extensions
2327	warn "load extensions";	2449	warn "loading extensions";
2328	cf::load_extensions;	2450	cf::load_extensions;
2329		2451
2330	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2331	warn "reattach";
2332	_global_reattach;	2453	_global_reattach;
		2454	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2455	reattach $_ for values %MAP;
2334	};
2335		2456
2336	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2337	warn $@;	2464	warn $@;
2338	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2339	exit 1;	2466	exit 1;
2340	}	2467	};
2341		2468
2342	warn "reloaded successfully";	2469	warn "reloaded";
2343	};	2470	};
2344		2471
2345	#############################################################################	2472	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} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2473
2390	register_command "reload" => sub {	2474	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2392		2476
2393	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2395	reload;	2488	reload;
2396	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2397	}	2492	}
2398	};	2493	};
2399		2494
2400	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2401		2498
2402	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2404	prio => 0,	2502	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2407	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2408	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
2411		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
2412	$WAIT_FOR_TICK->broadcast;	2526	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2414		2531
2415	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2534
2418	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2420	},	2537	},
2421	);	2538	);
2422		2539
		2540	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2541	BDB::max_poll_time $TICK * 0.1;
2424		2542	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2543	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2544	fd => BDB::poll_fileno,
2427	poll => 'r',	2545	poll => 'r',
2428	prio => 5,	2546	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2547	data => WF_AUTOCANCEL,
2435	after => 0,	2548	cb => \&BDB::poll_cb,
2436	interval => 10,	2549	);
2437	cb => sub {	2550	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2551
2439	write_runtime	2552	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2553	my $status;
		2554	my $current = $Coro::current;
		2555	(
		2556	sub {
		2557	$status = $!;
		2558	$current->ready; undef $current;
		2559	},
		2560	sub {
		2561	Coro::schedule while defined $current;
		2562	$! = $status;
		2563	},
		2564	)
		2565	};
		2566
		2567	unless ($DB_ENV) {
		2568	$DB_ENV = BDB::db_env_create;
		2569
		2570	cf::sync_job {
		2571	eval {
		2572	BDB::db_env_open
		2573	$DB_ENV,
		2574	$BDB_ENV_DIR,
		2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2577	0666;
		2578
		2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2580
		2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2582	$DB_ENV->set_lk_detect;
		2583	};
		2584
		2585	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2586	};
2442	},	2587	}
2443	);	2588	}
		2589
		2590	{
		2591	IO::AIO::min_parallel 8;
		2592
		2593	undef $Coro::AIO::WATCHER;
		2594	IO::AIO::max_poll_time $TICK * 0.1;
		2595	$AIO_POLL_WATCHER = Event->io (
		2596	reentrant => 0,
		2597	data => WF_AUTOCANCEL,
		2598	fd => IO::AIO::poll_fileno,
		2599	poll => 'r',
		2600	prio => 6,
		2601	cb => \&IO::AIO::poll_cb,
		2602	);
		2603	}
2444		2604
2445	END { cf::emergency_save }	2605	END { cf::emergency_save }
2446		2606
2447	1	2607	1
2448		2608

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