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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 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
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
28		34
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
31		37
32	$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
33		39
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35
36	our %COMMAND = ();	40	our %COMMAND = ();
37	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
39		47
40	our @EVENT;	48	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
42		50
43	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
45	our $NEXT_TICK;	55	our $NEXT_TICK;
46	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
47		61
48	our %CFG;	62	our %CFG;
49		63
50	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	65	our $RUNTIME;
52		66
53	our %PLAYER; # all users	67	our %PLAYER; # all users
54	our %MAP; # all maps	68	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
58		78
59	binmode STDOUT;	79	binmode STDOUT;
60	binmode STDERR;	80	binmode STDERR;
61		81
62	# read virtual server time, if available	82	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	89	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
74		95
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
146	}	174	}
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		179
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
…		…
247	}	271	}
248		272
249	sub freeze_mainloop {	273	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
251		275
252	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
253	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
254	$guard	282	$guard
255	}	283	}
256		284
257	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
309	}	337	}
310	}	338	}
311		339
312	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
313		341
314	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	343	extension calling this is being unloaded.
316		344
317	=cut	345	=cut
318		346
319	sub async_ext(&) {	347	sub async_ext(&) {
…		…
328		356
329	$coro	357	$coro
330	}	358	}
331		359
332	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
333	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
334		364
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	366	or return;
337		367
		368	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	373	and return;
341		374
		375	# always fsync - this file is important
342	aio_fsync $fh	376	aio_fsync $fh
343	and return;	377	and return;
344		378
345	close $fh	379	close $fh
346	or return;	380	or return;
…		…
352	}	386	}
353		387
354	=back	388	=back
355		389
356	=cut	390	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		391
480	#############################################################################	392	#############################################################################
481		393
482	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
483		395
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	522	our @CB_MAP = ();
611		523
612	my %attachment;	524	my %attachment;
613		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
614	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
616		534
617	use sort 'stable';	535	use sort 'stable';
618		536
…		…
789	# object support	707	# object support
790		708
791	sub reattach {	709	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		714
795	my $registry = $obj->registry;	715	my $registry = $obj->registry;
796		716
797	@$registry = ();	717	@$registry = ();
798		718
…		…
845	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
846		766
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	771	close $fh;
852		772
853	if (@$objs) {	773	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	779	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
861	}	781	}
862	} else {	782	} else {
863	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
869	}	789	}
870	} else {	790	} else {
871	aio_unlink $filename;	791	aio_unlink $filename;
872	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
873	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
874	}	800	}
875	}	801	}
876		802
877	sub object_freezer_as_string {	803	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
884		810
885	sub object_thawer_load {	811	sub object_thawer_load {
886	my ($filename) = @_;	812	my ($filename) = @_;
887		813
888	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
889		818
890	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
891	or return;	820	or return;
892		821
893	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
930	=cut	859	=cut
931		860
932	sub register_extcmd {	861	sub register_extcmd {
933	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
934		863
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
939	}	865	}
940		866
941	cf::player->attach (	867	cf::player->attach (
942	on_command => sub {	868	on_command => sub {
943	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
956		882
957	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
958		884
959	if (ref $msg) {	885	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	889	}
964	}	890	}
965	} else {	891	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		894
969	cf::override;	895	cf::override;
970	},	896	},
971	);	897	);
972		898
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	899	sub load_extension {
980	my ($path) = @_;	900	my ($path) = @_;
981		901
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	903	my $base = $1;
984	my $pkg = $1;	904	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
987		907
988	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
989		909
990	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
991	or die "$path: $!";	911	or die "$path: $!";
992		912
993	my $source =	913	my $source =
994	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
997	. "\n};\n1";	917	. "\n};\n1";
998		918
999	eval $source	919	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	921	: "extension disabled.\n";
1002		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	923	warn $@;
1004	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
1005		925	exit 1;
1006	# no strict 'refs';	926	}
1007	# @{"$pkg\::ISA"} = ext::;	927	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	928	}
1022		929
1023	# remove commands	930	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	931	}
1048		932
1049	sub load_extensions {	933	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	935	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1056	}	940	}
1057	}	941	}
1058		942
1059	#############################################################################	943	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		944
1097	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1098		946
1099	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1100		948
…		…
1136		984
1137	sub exists($) {	985	sub exists($) {
1138	my ($login) = @_;	986	my ($login) = @_;
1139		987
1140	$cf::PLAYER{$login}	988	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	989	or cf::sync_job { !aio_stat path $login }
1142	}	990	}
1143		991
1144	sub find($) {	992	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	993	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	994	my $login = $_[0];
…		…
1225	my @logins;	1073	my @logins;
1226		1074
1227	for my $login (@$dirs) {	1075	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1077	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1079
1232	utf8::decode $login;	1080	utf8::decode $login;
1233	push @logins, $login;	1081	push @logins, $login;
1234	}	1082	}
1235		1083
1236	\@logins	1084	\@logins
1237	}	1085	}
1238		1086
1239	=item $player->maps	1087	=item $player->maps
1240		1088
1241	Returns an arrayref of cf::path's of all maps that are private for this	1089	Returns an arrayref of map paths that are private for this
1242	player. May block.	1090	player. May block.
1243		1091
1244	=cut	1092	=cut
1245		1093
1246	sub maps($) {	1094	sub maps($) {
1247	my ($pl) = @_;	1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1098
1249	my $files = aio_readdir playerdir $pl	1099	my $files = aio_readdir playerdir $pl
1250	or return;	1100	or return;
1251		1101
1252	my @paths;	1102	my @paths;
1253		1103
1254	for (@$files) {	1104	for (@$files) {
1255	utf8::decode $_;	1105	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1106	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1107	next unless /^$PATH_SEP/o;
1258		1108
1259	s/$PATH_SEP/\//g;	1109	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1110	}
1262		1111
1263	\@paths	1112	\@paths
1264	}	1113	}
1265		1114
…		…
1291	package cf::map;	1140	package cf::map;
1292		1141
1293	use Fcntl;	1142	use Fcntl;
1294	use Coro::AIO;	1143	use Coro::AIO;
1295		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1296	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1298		1151
1299	sub generate_random_map {	1152	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1155	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1297	}
1317		1298
1318	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1319	# all maps in C++...	1300	# all maps in C++...
1320	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1322		1303
1323	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1325	}	1306	}
1326		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1327	sub try_load_header($) {	1321	sub load_header_from($) {
1328	my ($path) = @_;	1322	my ($self, $path) = @_;
1329		1323
1330	utf8::encode $path;	1324	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1332	or return;	1329	or return;
1333		1330
1334	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1335	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1336		1377
1337	# for better error messages only, will be overwritten	1378	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1379	}
1347		1380
1348	sub find;	1381	sub find;
1349	sub find {	1382	sub find {
1350	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1351		1384
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1386
1357	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1358		1388
1359	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1361		1391	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1392	or return;
1381		1393
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1394		1395
1395	Coro::cede;	1396	$map->load_header
		1397	or return;
1396		1398
1397	if ($map->should_reset) {	1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1402	$map->reset;
1399	undef $guard;	1403	undef $guard;
1400	$map = find $path	1404	return find $path;
1401	or return;
1402	}	1405	}
1403		1406
1404	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1405	}	1408	}
1406	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1407		1413
1408	sub load {	1414	sub load {
1409	my ($self) = @_;	1415	my ($self) = @_;
1410		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1411	my $path = $self->{path};	1419	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1413		1421
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1423
1416	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1417		1425
1418	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1419	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1431	or return;
1421		1432
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1434	if delete $self->{load_original};
1424		1435
1425	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1437	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1439	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1430	}	1441	}
1431	}	1442	}
1432		1443
1433	Coro::cede;	1444	Coro::cede;
1434		1445
1435	# now do the right thing for maps	1446	# now do the right thing for maps
1436	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1437		1448
1438	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1450	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1445	$self->set_darkness_map;	1454	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1448	$self->activate;	1458	$self->activate;
1449	}	1459	}
1450		1460
1451	Coro::cede;	1461	$self->post_load;
1452		1462
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
1454	}	1497	}
1455		1498
1456	sub find_sync {	1499	sub find_sync {
1457	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1458		1501
1459	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1460	}	1503	}
1461		1504
1462	sub do_load_sync {	1505	sub do_load_sync {
1463	my ($map) = @_;	1506	my ($map) = @_;
1464		1507
1465	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1466	}	1509	}
1467		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
		1539	}
		1540
1468	sub save {	1541	sub save {
1469	my ($self) = @_;	1542	my ($self) = @_;
1470		1543
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1545
1473	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1474		1547
1475	return unless $self->dirty;	1548	return unless $self->dirty;
1476		1549
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1552
1480	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1481		1554
1482	return if $self->{deny_save};	1555	return if $self->{deny_save};
1483		1556
…		…
1486	cf::async {	1559	cf::async {
1487	$_->contr->save for $self->players;	1560	$_->contr->save for $self->players;
1488	};	1561	};
1489		1562
1490	if ($uniq) {	1563	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1566	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1568	}
1496	}	1569	}
1497		1570
1498	sub swap_out {	1571	sub swap_out {
1499	my ($self) = @_;	1572	my ($self) = @_;
…		…
1513		1586
1514	sub reset_at {	1587	sub reset_at {
1515	my ($self) = @_;	1588	my ($self) = @_;
1516		1589
1517	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1520		1593
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1596
…		…
1528	my ($self) = @_;	1601	my ($self) = @_;
1529		1602
1530	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1531	}	1604	}
1532		1605
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1606	sub reset {
1555	my ($self) = @_;	1607	my ($self) = @_;
1556		1608
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1610
1559	return if $self->players;	1611	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1561		1613
1562	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1563		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1564	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1565		1629
1566	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1567		1631
1568	$self->unlink_save;	1632	$self->unlink_save;
1569	$self->destroy;	1633	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1573		1637
1574	sub nuke {	1638	sub nuke {
1575	my ($self) = @_;	1639	my ($self) = @_;
1576		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1580	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1581	}	1654	}
1582		1655
1583	sub customise_for {	1656	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1657
1586	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1588	}
1589		1660
1590	$map	1661	=cut
1591	}
1592		1662
1593	sub emergency_save {	1663	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1595		1666
1596	warn "enter emergency perl save\n";	1667	my @paths;
1597		1668
1598	cf::sync_job {	1669	for (@$files) {
1599	warn "begin emergency player save\n";	1670	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1671	next if /\.pst$/;
1601	warn "end emergency player save\n";	1672	next unless /^$PATH_SEP/o;
1602		1673
1603	warn "begin emergency map save\n";	1674	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1675	}
1607		1676
1608	warn "leave emergency perl save\n";	1677	\@paths
1609	}	1678	}
1610		1679
1611	package cf;	1680	package cf;
1612		1681
1613	=back	1682	=back
1614		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1615		1710
1616	=head3 cf::object::player	1711	=head3 cf::object::player
1617		1712
1618	=over 4	1713	=over 4
1619		1714
…		…
1659		1754
1660	=item $player_object->enter_link	1755	=item $player_object->enter_link
1661		1756
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1758
1664	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1666		1761
		1762	Will never block.
		1763
1667	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1668		1765
1669	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1769	fails, to the emergency map position.
1673		1770
1674	Might block.	1771	Might block.
1675		1772
1676	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1677		1784
1678	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1786	my ($self) = @_;
1680		1787
1681	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1682		1789
1683	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1791
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1793	if $self->map;
1687		1794
1688	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1796	}
1690		1797
1691	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1693		1800
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1714		1821
1715	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1716		1824
1717	return unless $self->contr->active;	1825	return unless $self->contr->active;
1718	$self->activate_recursive;	1826	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1720	}	1828	}
…		…
1756	=cut	1864	=cut
1757		1865
1758	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1760		1868
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1869	$self->enter_link;
1765		1870
1766	(async {	1871	(async {
		1872	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1769		1875	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1878
1775	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1880	})->prio (1);
1777	}	1881	}
1778		1882
…		…
1782		1886
1783	sub parse_random_map_params {	1887	sub parse_random_map_params {
1784	my ($spec) = @_;	1888	my ($spec) = @_;
1785		1889
1786	my $rmp = { # defaults	1890	my $rmp = { # defaults
1787	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1789	};	1895	};
1790		1896
1791	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1793		1899
…		…
1797	$rmp	1903	$rmp
1798	}	1904	}
1799		1905
1800	sub prepare_random_map {	1906	sub prepare_random_map {
1801	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1910
1803	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1913	# that depends on the exit object
1806		1914
1807	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1808		1916
1809	if ($exit->map) {	1917	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1814	}	1922	}
1815		1923
1816	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1817		1925
1818	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1929
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1823		1934
1824	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1936	$exit->msg (undef);
1826	}	1937	}
1827	}	1938	}
1828		1939
1829	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1831		1942
1832	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1833		1953
1834	$self->enter_link;	1954	$self->enter_link;
1835		1955
1836	(async {	1956	(async {
1837	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1958	unless (eval {
1839	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		1960
1845	1;	1961	1;
1846	}) {	1962	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1967
1852	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1969	$self->leave_link;
1854	}	1970	}
…		…
1909	# get handled first	2025	# get handled first
1910	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2028
1913	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2031
1915	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1916		2033
1917	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2035	if (@$queue) {
…		…
2079	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2197	using it, it should be unique.
2081		2198
2082	=over 4	2199	=over 4
2083		2200
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
2091		2202
2092	Returns a single value from the database	2203	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2204
2099	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2100		2206
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2208
2112	=cut	2209	=cut
2113		2210
2114	our $DB;	2211	our $DB;
2115		2212
2116	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2117	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2118		2232
2119	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2237
2123	my $pid;	2238	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2239	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2240	}
2171	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2258	}
2173		2259
2174	#############################################################################	2260	#############################################################################
2175	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
2176		2267
2177	sub cfg_load {	2268	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2270	or return;
2180		2271
…		…
2193	};	2284	};
2194	warn $@ if $@;	2285	warn $@ if $@;
2195	}	2286	}
2196	}	2287	}
2197		2288
		2289	sub init {
		2290	load_resources;
		2291	}
		2292
2198	sub main {	2293	sub main {
2199	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2297	(async {
2202	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2203	};	2300	};
2204		2301
2205	cfg_load;	2302	cfg_load;
2206	db_load;	2303	db_init;
2207	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2208	Event::loop;	2307	Event::loop;
2209	}	2308	}
2210		2309
2211	#############################################################################	2310	#############################################################################
2212	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2213		2367
2214	sub reload() {	2368	sub reload() {
2215	# can/must only be called in main	2369	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2218	return;	2372	return;
2219	}	2373	}
2220		2374
2221	warn "reloading...";	2375	warn "reloading...";
2222		2376
2223	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2224	cf::emergency_save;	2380	cf::emergency_save;
2225		2381
2226	eval {	2382	eval {
2227	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2228		2384
2229	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2388	}
2233		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2234	# cancel all extension coros	2402	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2404	%EXT_CORO = ();
2237		2405
2238	# unload all extensions	2406	warn "removing commands";
2239	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2241	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2421	}
2243		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2244	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2430
2248	warn "removing <$k>";	2431	warn "... unloading $k";
2249	delete $INC{$k};	2432	delete $INC{$k};
2250		2433
2251	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2253		2436
…		…
2256	}	2439	}
2257		2440
2258	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2259	}	2442	}
2260		2443
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2447
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2274		2450
2275	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2452	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2278		2454
2279	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2280	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2281	require cf;	2458	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2460
2284	# load config and database again	2461	warn "loading config and database again";
2285	cf::cfg_load;	2462	cf::cfg_load;
2286	cf::db_load;
2287		2463
2288	# load extensions
2289	warn "load extensions";	2464	warn "loading extensions";
2290	cf::load_extensions;	2465	cf::load_extensions;
2291		2466
2292	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2296	};	2478	};
2297		2479
2298	if ($@) {	2480	if ($@) {
2299	warn $@;	2481	warn $@;
2300	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2301	exit 1;	2483	exit 1;
2302	}	2484	}
2303		2485
2304	warn "reloaded successfully";	2486	warn "reloaded";
2305	};	2487	};
2306		2488
2307	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2490
2352	register_command "reload" => sub {	2491	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2354		2493
2355	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2357	reload;	2505	reload;
2358	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2359	}	2509	}
2360	};	2510	};
2361		2511
2362	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2363		2515
2364	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2366	prio => 0,	2519	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2369	cb => sub {	2522	cb => sub {
		2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2370	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2373		2543
2374	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2546
2377	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2379	},	2549	},
2380	);	2550	);
2381		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2382	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2383		2607	$AIO_POLL_WATCHER = Event->io (
2384	Event->io (	2608	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2386	poll => 'r',	2610	poll => 'r',
2387	prio => 5,	2611	prio => 6,
2388	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2390	);	2614	);
		2615	}
2391		2616
2392	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2393	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2394	after => 0,	2620	after => 1,
2395	interval => 10,	2621	interval => 10,
2396	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2397	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2398	write_runtime	2624	write_runtime
2399	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2400	})->();
2401	},	2626	},
2402	);	2627	);
2403		2628
2404	END { cf::emergency_save }	2629	END { cf::emergency_save }
2405		2630

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