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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 1.215 by root, Thu Feb 15 03:19:02 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";
…		…
879	}	785	}
880	} else {	786	} else {
881	aio_unlink $filename;	787	aio_unlink $filename;
882	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
883	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
884	}	796	}
885	}	797	}
886		798
887	sub object_freezer_as_string {	799	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
894		806
895	sub object_thawer_load {	807	sub object_thawer_load {
896	my ($filename) = @_;	808	my ($filename) = @_;
897		809
898	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
899		814
900	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
901	or return;	816	or return;
902		817
903	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
940	=cut	855	=cut
941		856
942	sub register_extcmd {	857	sub register_extcmd {
943	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
944		859
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
949	}	861	}
950		862
951	cf::player->attach (	863	cf::player->attach (
952	on_command => sub {	864	on_command => sub {
953	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
966		878
967	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
968		880
969	if (ref $msg) {	881	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	885	}
974	}	886	}
975	} else {	887	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		890
979	cf::override;	891	cf::override;
980	},	892	},
981	);	893	);
982		894
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	895	sub load_extension {
990	my ($path) = @_;	896	my ($path) = @_;
991		897
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	899	my $base = $1;
994	my $pkg = $1;	900	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
997		903
998	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
999		905
1000	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	907	or die "$path: $!";
1002		908
1003	my $source =	909	my $source =
1004	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
1007	. "\n};\n1";	913	. "\n};\n1";
1008		914
1009	eval $source	915	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	917	: "extension disabled.\n";
1012		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	919	warn $@;
1014	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
1015		921	exit 1;
1016	# no strict 'refs';	922	}
1017	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
1032		925
1033	# remove commands	926	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	}	927	}
1058		928
1059	sub load_extensions {	929	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	931	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1066	}	936	}
1067	}	937	}
1068		938
1069	#############################################################################	939	#############################################################################
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		940
1085	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1086		942
1087	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1088		944
…		…
1124		980
1125	sub exists($) {	981	sub exists($) {
1126	my ($login) = @_;	982	my ($login) = @_;
1127		983
1128	$cf::PLAYER{$login}	984	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	985	or cf::sync_job { !aio_stat path $login }
1130	}	986	}
1131		987
1132	sub find($) {	988	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	989	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	990	my $login = $_[0];
…		…
1224	\@logins	1080	\@logins
1225	}	1081	}
1226		1082
1227	=item $player->maps	1083	=item $player->maps
1228		1084
1229	Returns an arrayref of cf::path's of all maps that are private for this	1085	Returns an arrayref of map paths that are private for this
1230	player. May block.	1086	player. May block.
1231		1087
1232	=cut	1088	=cut
1233		1089
1234	sub maps($) {	1090	sub maps($) {
1235	my ($pl) = @_;	1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1094
1237	my $files = aio_readdir playerdir $pl	1095	my $files = aio_readdir playerdir $pl
1238	or return;	1096	or return;
1239		1097
1240	my @paths;	1098	my @paths;
1241		1099
1242	for (@$files) {	1100	for (@$files) {
1243	utf8::decode $_;	1101	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1102	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1103	next unless /^$PATH_SEP/o;
1246		1104
1247	s/$PATH_SEP/\//g;	1105	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1106	}
1250		1107
1251	\@paths	1108	\@paths
1252	}	1109	}
1253		1110
…		…
1279	package cf::map;	1136	package cf::map;
1280		1137
1281	use Fcntl;	1138	use Fcntl;
1282	use Coro::AIO;	1139	use Coro::AIO;
1283		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1284	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1286		1147
1287	sub generate_random_map {	1148	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1151	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1293	}
1305		1294
1306	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1307	# all maps in C++...	1296	# all maps in C++...
1308	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1310		1299
1311	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1313	}	1302	}
1314		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1315	sub try_load_header($) {	1317	sub load_header_from($) {
1316	my ($path) = @_;	1318	my ($self, $path) = @_;
1317		1319
1318	utf8::encode $path;	1320	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1320	or return;	1325	or return;
1321		1326
1322	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1323	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1324		1373
1325	# for better error messages only, will be overwritten	1374	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1375	}
1335		1376
1336	sub find;	1377	sub find;
1337	sub find {	1378	sub find {
1338	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1339		1380
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1382
1345	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1346		1384
1347	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1349		1387	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;	1388	or return;
1369		1389
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;	1390	$map->{last_save} = $cf::RUNTIME;
1382		1391
1383	Coro::cede;	1392	$map->load_header
		1393	or return;
1384		1394
1385	if ($map->should_reset) {	1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1398	$map->reset;
1387	undef $guard;	1399	undef $guard;
1388	$map = find $path	1400	return find $path;
1389	or return;
1390	}	1401	}
1391		1402
1392	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1393	}	1404	}
1394	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1395		1409
1396	sub load {	1410	sub load {
1397	my ($self) = @_;	1411	my ($self) = @_;
1398		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1399	my $path = $self->{path};	1415	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1401		1417
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1419
1404	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1405		1421
1406	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1407	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1427	or return;
1409		1428
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1430	if delete $self->{load_original};
1412		1431
1413	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1433	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1435	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1418	}	1437	}
1419	}	1438	}
1420		1439
1421	Coro::cede;	1440	Coro::cede;
1422		1441
1423	# now do the right thing for maps	1442	# now do the right thing for maps
1424	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1425		1444
1426	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1446	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1433	$self->set_darkness_map;	1450	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1436	$self->activate;	1454	$self->activate;
1437	}	1455	}
1438		1456
1439	Coro::cede;	1457	$self->post_load;
1440		1458
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
1442	}	1493	}
1443		1494
1444	sub find_sync {	1495	sub find_sync {
1445	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1446		1497
1447	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1448	}	1499	}
1449		1500
1450	sub do_load_sync {	1501	sub do_load_sync {
1451	my ($map) = @_;	1502	my ($map) = @_;
1452		1503
1453	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1454	}	1505	}
1455		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1456	sub save {	1537	sub save {
1457	my ($self) = @_;	1538	my ($self) = @_;
1458		1539
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1541
1461	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1462		1543
1463	return unless $self->dirty;	1544	return unless $self->dirty;
1464		1545
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1548
1468	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1469		1550
1470	return if $self->{deny_save};	1551	return if $self->{deny_save};
1471		1552
…		…
1474	cf::async {	1555	cf::async {
1475	$_->contr->save for $self->players;	1556	$_->contr->save for $self->players;
1476	};	1557	};
1477		1558
1478	if ($uniq) {	1559	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1562	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1564	}
1484	}	1565	}
1485		1566
1486	sub swap_out {	1567	sub swap_out {
1487	my ($self) = @_;	1568	my ($self) = @_;
…		…
1501		1582
1502	sub reset_at {	1583	sub reset_at {
1503	my ($self) = @_;	1584	my ($self) = @_;
1504		1585
1505	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1508		1589
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1592
…		…
1516	my ($self) = @_;	1597	my ($self) = @_;
1517		1598
1518	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1519	}	1600	}
1520		1601
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 {	1602	sub reset {
1543	my ($self) = @_;	1603	my ($self) = @_;
1544		1604
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1606
1547	return if $self->players;	1607	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1549		1609
1550	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1551		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1552	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1553		1625
1554	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1555		1627
1556	$self->unlink_save;	1628	$self->unlink_save;
1557	$self->destroy;	1629	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1561		1633
1562	sub nuke {	1634	sub nuke {
1563	my ($self) = @_;	1635	my ($self) = @_;
1564		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1568	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1569	}	1650	}
1570		1651
1571	sub customise_for {	1652	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1653
1574	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1576	}
1577		1656
1578	$map	1657	=cut
		1658
		1659	sub unique_maps() {
		1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
		1662
		1663	my @paths;
		1664
		1665	for (@$files) {
		1666	utf8::decode $_;
		1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
		1671	}
		1672
		1673	\@paths
1579	}	1674	}
1580		1675
1581	package cf;	1676	package cf;
1582		1677
1583	=back	1678	=back
…		…
1655		1750
1656	=item $player_object->enter_link	1751	=item $player_object->enter_link
1657		1752
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1754
1660	The player should be reaosnably safe there for short amounts of time. You	1755	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.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1662		1757
		1758	Will never block.
		1759
1663	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1664		1761
1665	Moves the player out of the specila link map onto the given map. If the	1762	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	1763	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,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1765	fails, to the emergency map position.
1669		1766
1670	Might block.	1767	Might block.
1671		1768
1672	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1673		1780
1674	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1782	my ($self) = @_;
1676		1783
1677	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1678		1785
1679	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1787
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1789	if $self->map;
1683		1790
1684	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1792	}
1686		1793
1687	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1689		1796
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1710		1817
1711	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1712		1820
1713	return unless $self->contr->active;	1821	return unless $self->contr->active;
1714	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1716	}	1826	}
1717		1827
1718	cf::player->attach (	1828	cf::player->attach (
1719	on_logout => sub {	1829	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1843	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1736	(async {	1846	(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,	1847	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1848	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1849	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1850	cf::NDI_RED);
		1851	# we need this sleep as the login has a concurrent enter_exit running
		1852	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1745	})->prio (2);	1855	})->prio (2);
1746	}	1856	}
1747	},	1857	},
…		…
1752	=cut	1862	=cut
1753		1863
1754	sub cf::object::player::goto {	1864	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1756		1866
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1867	$self->enter_link;
1761		1868
1762	(async {	1869	(async {
		1870	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1765		1873	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1876
1771	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1878	})->prio (1);
1773	}	1879	}
1774		1880
…		…
1778		1884
1779	sub parse_random_map_params {	1885	sub parse_random_map_params {
1780	my ($spec) = @_;	1886	my ($spec) = @_;
1781		1887
1782	my $rmp = { # defaults	1888	my $rmp = { # defaults
1783	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1785	};	1893	};
1786		1894
1787	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1789		1897
…		…
1793	$rmp	1901	$rmp
1794	}	1902	}
1795		1903
1796	sub prepare_random_map {	1904	sub prepare_random_map {
1797	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1908
1799	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1911	# that depends on the exit object
1802		1912
1803	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1804		1914
1805	if ($exit->map) {	1915	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1810	}	1920	}
1811		1921
1812	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1813		1923
1814	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1927
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1819		1932
1820	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1934	$exit->msg (undef);
1822	}	1935	}
1823	}	1936	}
1824		1937
1825	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1827		1940
1828	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1829		1951
1830	$self->enter_link;	1952	$self->enter_link;
1831		1953
1832	(async {	1954	(async {
1833	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1956	unless (eval {
1835	prepare_random_map $exit	1957	$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		1958
1841	1;	1959	1;
1842	}) {	1960	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1965
1848	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1967	$self->leave_link;
1850	}	1968	}
…		…
1905	# get handled first	2023	# get handled first
1906	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2026
1909	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2029
1911	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1912		2031
1913	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2033	if (@$queue) {
…		…
2075	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2195	using it, it should be unique.
2077		2196
2078	=over 4	2197	=over 4
2079		2198
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	2199	=item $value = cf::db_get $family => $key
2087		2200
2088	Returns a single value from the database	2201	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		2202
2095	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2096		2204
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
2108	=cut	2207	=cut
2109		2208
2110	our $DB;	2209	our $DB;
2111		2210
2112	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
2113	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
2114		2230
2115	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2235
2119	my $pid;	2236	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	}	2237	};
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	},	2238	}
2167	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2256	}
2169		2257
2170	#############################################################################	2258	#############################################################################
2171	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
2172		2265
2173	sub cfg_load {	2266	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2268	or return;
2176		2269
…		…
2189	};	2282	};
2190	warn $@ if $@;	2283	warn $@ if $@;
2191	}	2284	}
2192	}	2285	}
2193		2286
		2287	sub init {
		2288	load_resources;
		2289	}
		2290
2194	sub main {	2291	sub main {
2195	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2198	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2199	};	2298	};
2200		2299
2201	cfg_load;	2300	cfg_load;
2202	db_load;	2301	db_init;
2203	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2204	Event::loop;	2305	Event::loop;
2205	}	2306	}
2206		2307
2207	#############################################################################	2308	#############################################################################
2208	# initialisation and cleanup	2309	# initialisation and cleanup
2209		2310
2210	# install some emergency cleanup handlers	2311	# install some emergency cleanup handlers
2211	BEGIN {	2312	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2313	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2314	Event->signal (
		2315	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2316	data => WF_AUTOCANCEL,
2215	signal => $signal,	2317	signal => $signal,
		2318	prio => 0,
2216	cb => sub {	2319	cb => sub {
2217	cf::cleanup "SIG$signal";	2320	cf::cleanup "SIG$signal";
2218	},	2321	},
2219	);	2322	);
2220	}	2323	}
2221	}	2324	}
…		…
2226	warn "enter emergency perl save\n";	2329	warn "enter emergency perl save\n";
2227		2330
2228	cf::sync_job {	2331	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2332	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2333	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2334	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2335	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2336	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2337	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2338	$pl->valid or next;
2236	$pl->save;	2339	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2345	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2346	$map->valid or next;
2244	$map->save;	2347	$map->save;
2245	}	2348	}
2246	warn "end emergency map save\n";	2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
2247	};	2354	};
2248		2355
2249	warn "leave emergency perl save\n";	2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
2250	}	2364	}
2251		2365
2252	sub reload() {	2366	sub reload() {
2253	# can/must only be called in main	2367	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2256	return;	2370	return;
2257	}	2371	}
2258		2372
2259	warn "reloading...";	2373	warn "reloading...";
2260		2374
2261	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
2263		2381
2264	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2265	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2266		2386
2267	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2390	}
2271		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2272	# cancel all extension coros	2401	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2403	%EXT_CORO = ();
2275		2404
2276	# unload all extensions	2405	warn "removing commands";
2277	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2279	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2420	}
2281		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2282	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2429
2286	warn "removing <$k>";	2430	warn "... unloading $k";
2287	delete $INC{$k};	2431	delete $INC{$k};
2288		2432
2289	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2291		2435
…		…
2294	}	2438	}
2295		2439
2296	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2297	}	2441	}
2298		2442
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2446
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2312		2449
2313	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2451	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2316		2453
2317	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2318	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2319	require cf;	2457	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2459
2322	# load config and database again	2460	warn "loading config and database again";
2323	cf::cfg_load;	2461	cf::cfg_load;
2324	cf::db_load;
2325		2462
2326	# load extensions
2327	warn "load extensions";	2463	warn "loading extensions";
2328	cf::load_extensions;	2464	cf::load_extensions;
2329		2465
2330	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2331	warn "reattach";
2332	_global_reattach;	2467	_global_reattach;
		2468	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2469	reattach $_ for values %MAP;
2334	};
2335		2470
2336	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2337	warn $@;	2478	warn $@;
2338	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2339	exit 1;	2480	exit 1;
2340	}	2481	};
2341		2482
2342	warn "reloaded successfully";	2483	warn "reloaded";
2343	};	2484	};
2344		2485
2345	#############################################################################	2486	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} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2487
2390	register_command "reload" => sub {	2488	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2392		2490
2393	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2395	reload;	2502	reload;
2396	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2397	}	2506	}
2398	};	2507	};
2399		2508
2400	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2401		2512
2402	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2404	prio => 0,	2516	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2407	cb => sub {	2519	cb => sub {
		2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2408	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
2411		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
2412	$WAIT_FOR_TICK->broadcast;	2541	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2414		2546
2415	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2549
2418	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2420	},	2552	},
2421	);	2553	);
2422		2554
		2555	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2424		2557	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2558	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2427	poll => 'r',	2560	poll => 'r',
2428	prio => 5,	2561	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2435	after => 0,	2563	cb => \&BDB::poll_cb,
2436	interval => 10,	2564	);
2437	cb => sub {	2565	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2566
2439	write_runtime	2567	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2601	};
2442	},	2602	}
2443	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
2444		2619
2445	END { cf::emergency_save }	2620	END { cf::emergency_save }
2446		2621
2447	1	2622	1
2448		2623

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