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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 1.215 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
		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 $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";
		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	};
253	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
254	$guard	280	$guard
255	}	281	}
256		282
257	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub async_ext(&) {	345	sub async_ext(&) {
…		…
333	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
334		360
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	362	or return;
337		363
		364	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	369	and return;
341		370
		371	# always fsync - this file is important
342	aio_fsync $fh	372	aio_fsync $fh
343	and return;	373	and return;
344		374
345	close $fh	375	close $fh
346	or return;	376	or return;
…		…
352	}	382	}
353		383
354	=back	384	=back
355		385
356	=cut	386	=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		387
480	#############################################################################	388	#############################################################################
481		389
482	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
483		391
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	518	our @CB_MAP = ();
611		519
612	my %attachment;	520	my %attachment;
613		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
614	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
616		530
617	use sort 'stable';	531	use sort 'stable';
618		532
…		…
789	# object support	703	# object support
790		704
791	sub reattach {	705	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		710
795	my $registry = $obj->registry;	711	my $registry = $obj->registry;
796		712
797	@$registry = ();	713	@$registry = ();
798		714
…		…
845	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
846		762
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	767	close $fh;
852		768
853	if (@$objs) {	769	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	775	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
861	}	777	}
862	} else {	778	} else {
863	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
869	}	785	}
870	} else {	786	} else {
871	aio_unlink $filename;	787	aio_unlink $filename;
872	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
873	}	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	}
874	}	796	}
875	}	797	}
876		798
877	sub object_freezer_as_string {	799	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
884		806
885	sub object_thawer_load {	807	sub object_thawer_load {
886	my ($filename) = @_;	808	my ($filename) = @_;
887		809
888	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$//;
889		814
890	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
891	or return;	816	or return;
892		817
893	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
930	=cut	855	=cut
931		856
932	sub register_extcmd {	857	sub register_extcmd {
933	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
934		859
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
939	}	861	}
940		862
941	cf::player->attach (	863	cf::player->attach (
942	on_command => sub {	864	on_command => sub {
943	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
956		878
957	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
958		880
959	if (ref $msg) {	881	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	885	}
964	}	886	}
965	} else {	887	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		890
969	cf::override;	891	cf::override;
970	},	892	},
971	);	893	);
972		894
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	895	sub load_extension {
980	my ($path) = @_;	896	my ($path) = @_;
981		897
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	899	my $base = $1;
984	my $pkg = $1;	900	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
987		903
988	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
989		905
990	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
991	or die "$path: $!";	907	or die "$path: $!";
992		908
993	my $source =	909	my $source =
994	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
997	. "\n};\n1";	913	. "\n};\n1";
998		914
999	eval $source	915	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	917	: "extension disabled.\n";
1002		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	919	warn $@;
1004	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
1005		921	exit 1;
1006	# no strict 'refs';	922	}
1007	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
1022		925
1023	# remove commands	926	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	}	927	}
1048		928
1049	sub load_extensions {	929	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	931	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1056	}	936	}
1057	}	937	}
1058		938
1059	#############################################################################	939	#############################################################################
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		940
1097	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1098		942
1099	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1100		944
…		…
1136		980
1137	sub exists($) {	981	sub exists($) {
1138	my ($login) = @_;	982	my ($login) = @_;
1139		983
1140	$cf::PLAYER{$login}	984	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	985	or cf::sync_job { !aio_stat path $login }
1142	}	986	}
1143		987
1144	sub find($) {	988	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	989	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	990	my $login = $_[0];
…		…
1225	my @logins;	1069	my @logins;
1226		1070
1227	for my $login (@$dirs) {	1071	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1073	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1075
1232	utf8::decode $login;	1076	utf8::decode $login;
1233	push @logins, $login;	1077	push @logins, $login;
1234	}	1078	}
1235		1079
1236	\@logins	1080	\@logins
1237	}	1081	}
1238		1082
1239	=item $player->maps	1083	=item $player->maps
1240		1084
1241	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
1242	player. May block.	1086	player. May block.
1243		1087
1244	=cut	1088	=cut
1245		1089
1246	sub maps($) {	1090	sub maps($) {
1247	my ($pl) = @_;	1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1094
1249	my $files = aio_readdir playerdir $pl	1095	my $files = aio_readdir playerdir $pl
1250	or return;	1096	or return;
1251		1097
1252	my @paths;	1098	my @paths;
1253		1099
1254	for (@$files) {	1100	for (@$files) {
1255	utf8::decode $_;	1101	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1102	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1103	next unless /^$PATH_SEP/o;
1258		1104
1259	s/$PATH_SEP/\//g;	1105	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1106	}
1262		1107
1263	\@paths	1108	\@paths
1264	}	1109	}
1265		1110
…		…
1291	package cf::map;	1136	package cf::map;
1292		1137
1293	use Fcntl;	1138	use Fcntl;
1294	use Coro::AIO;	1139	use Coro::AIO;
1295		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1296	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1298		1147
1299	sub generate_random_map {	1148	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1151	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(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
1316	}	1293	}
1317		1294
1318	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1319	# all maps in C++...	1296	# all maps in C++...
1320	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1322		1299
1323	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1325	}	1302	}
1326		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
1327	sub try_load_header($) {	1317	sub load_header_from($) {
1328	my ($path) = @_;	1318	my ($self, $path) = @_;
1329		1319
1330	utf8::encode $path;	1320	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1332	or return;	1325	or return;
1333		1326
1334	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
1335	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1336		1373
1337	# for better error messages only, will be overwritten	1374	1
1338	$map->path ($path);
1339
1340	$map->load_header ($path)
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1375	}
1347		1376
1348	sub find;	1377	sub find;
1349	sub find {	1378	sub find {
1350	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1351		1380
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1382
1357	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1358		1384
1359	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1361		1387	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;	1388	or return;
1381		1389
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;	1390	$map->{last_save} = $cf::RUNTIME;
1394		1391
1395	Coro::cede;	1392	$map->load_header
		1393	or return;
1396		1394
1397	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;
1398	$map->reset;	1398	$map->reset;
1399	undef $guard;	1399	undef $guard;
1400	$map = find $path	1400	return find $path;
1401	or return;
1402	}	1401	}
1403		1402
1404	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1405	}	1404	}
1406	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1407		1409
1408	sub load {	1410	sub load {
1409	my ($self) = @_;	1411	my ($self) = @_;
1410		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1411	my $path = $self->{path};	1415	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1413		1417
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1419
1416	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1417		1421
1418	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1419	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1427	or return;
1421		1428
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1430	if delete $self->{load_original};
1424		1431
1425	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1433	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1435	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1430	}	1437	}
1431	}	1438	}
1432		1439
1433	Coro::cede;	1440	Coro::cede;
1434		1441
1435	# now do the right thing for maps	1442	# now do the right thing for maps
1436	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1437		1444
1438	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1446	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1445	$self->set_darkness_map;	1450	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1448	$self->activate;	1454	$self->activate;
1449	}	1455	}
1450		1456
1451	Coro::cede;	1457	$self->post_load;
1452		1458
1453	$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	}
1454	}	1493	}
1455		1494
1456	sub find_sync {	1495	sub find_sync {
1457	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1458		1497
1459	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1460	}	1499	}
1461		1500
1462	sub do_load_sync {	1501	sub do_load_sync {
1463	my ($map) = @_;	1502	my ($map) = @_;
1464		1503
1465	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1466	}	1505	}
1467		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
1468	sub save {	1537	sub save {
1469	my ($self) = @_;	1538	my ($self) = @_;
1470		1539
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1541
1473	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1474		1543
1475	return unless $self->dirty;	1544	return unless $self->dirty;
1476		1545
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1548
1480	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1481		1550
1482	return if $self->{deny_save};	1551	return if $self->{deny_save};
1483		1552
…		…
1486	cf::async {	1555	cf::async {
1487	$_->contr->save for $self->players;	1556	$_->contr->save for $self->players;
1488	};	1557	};
1489		1558
1490	if ($uniq) {	1559	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1562	} else {
1494	$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);
1495	}	1564	}
1496	}	1565	}
1497		1566
1498	sub swap_out {	1567	sub swap_out {
1499	my ($self) = @_;	1568	my ($self) = @_;
…		…
1513		1582
1514	sub reset_at {	1583	sub reset_at {
1515	my ($self) = @_;	1584	my ($self) = @_;
1516		1585
1517	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1520		1589
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	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;
1523		1592
…		…
1528	my ($self) = @_;	1597	my ($self) = @_;
1529		1598
1530	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1531	}	1600	}
1532		1601
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 {	1602	sub reset {
1555	my ($self) = @_;	1603	my ($self) = @_;
1556		1604
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1606
1559	return if $self->players;	1607	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1561		1609
1562	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1563		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
1564	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1565		1625
1566	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1567		1627
1568	$self->unlink_save;	1628	$self->unlink_save;
1569	$self->destroy;	1629	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1573		1633
1574	sub nuke {	1634	sub nuke {
1575	my ($self) = @_;	1635	my ($self) = @_;
1576		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1580	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1581	}	1650	}
1582		1651
1583	sub customise_for {	1652	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1653
1586	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1588	}
1589		1656
1590	$map	1657	=cut
1591	}
1592		1658
1593	sub emergency_save {	1659	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1595		1662
1596	warn "enter emergency perl save\n";	1663	my @paths;
1597		1664
1598	cf::sync_job {	1665	for (@$files) {
1599	warn "begin emergency player save\n";	1666	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1667	next if /\.pst$/;
1601	warn "end emergency player save\n";	1668	next unless /^$PATH_SEP/o;
1602		1669
1603	warn "begin emergency map save\n";	1670	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1671	}
1607		1672
1608	warn "leave emergency perl save\n";	1673	\@paths
1609	}	1674	}
1610		1675
1611	package cf;	1676	package cf;
1612		1677
1613	=back	1678	=back
1614		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1615		1706
1616	=head3 cf::object::player	1707	=head3 cf::object::player
1617		1708
1618	=over 4	1709	=over 4
1619		1710
…		…
1659		1750
1660	=item $player_object->enter_link	1751	=item $player_object->enter_link
1661		1752
1662	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}>).
1663		1754
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1666		1757
		1758	Will never block.
		1759
1667	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1668		1761
1669	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
1670	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
1671	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
1672	to the emergency map position.	1765	fails, to the emergency map position.
1673		1766
1674	Might block.	1767	Might block.
1675		1768
1676	=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	}
1677		1780
1678	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1782	my ($self) = @_;
1680		1783
1681	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1682		1785
1683	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1787
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1789	if $self->map;
1687		1790
1688	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1792	}
1690		1793
1691	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1693		1796
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1714		1817
1715	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1716		1820
1717	return unless $self->contr->active;	1821	return unless $self->contr->active;
1718	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1720	}	1826	}
1721		1827
1722	cf::player->attach (	1828	cf::player->attach (
1723	on_logout => sub {	1829	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1843	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1740	(async {	1846	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1847	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1848	"There was an internal problem at your last logout, "
1745	. "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.",
1746	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
1747	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1749	})->prio (2);	1855	})->prio (2);
1750	}	1856	}
1751	},	1857	},
…		…
1756	=cut	1862	=cut
1757		1863
1758	sub cf::object::player::goto {	1864	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1760		1866
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1867	$self->enter_link;
1765		1868
1766	(async {	1869	(async {
		1870	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1769		1873	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1771	# if $map;
1772
1773	$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);
1774		1876
1775	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1878	})->prio (1);
1777	}	1879	}
1778		1880
…		…
1782		1884
1783	sub parse_random_map_params {	1885	sub parse_random_map_params {
1784	my ($spec) = @_;	1886	my ($spec) = @_;
1785		1887
1786	my $rmp = { # defaults	1888	my $rmp = { # defaults
1787	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1789	};	1893	};
1790		1894
1791	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1793		1897
…		…
1797	$rmp	1901	$rmp
1798	}	1902	}
1799		1903
1800	sub prepare_random_map {	1904	sub prepare_random_map {
1801	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1908
1803	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1911	# that depends on the exit object
1806		1912
1807	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1808		1914
1809	if ($exit->map) {	1915	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1814	}	1920	}
1815		1921
1816	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1817		1923
1818	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1927
1821	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) {
1822	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;
1823		1932
1824	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1934	$exit->msg (undef);
1826	}	1935	}
1827	}	1936	}
1828		1937
1829	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1831		1940
1832	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;
1833		1951
1834	$self->enter_link;	1952	$self->enter_link;
1835		1953
1836	(async {	1954	(async {
1837	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	1956	unless (eval {
1839	prepare_random_map $exit	1957	$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		1958
1845	1;	1959	1;
1846	}) {	1960	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "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. "
1849	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1851		1965
1852	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	1967	$self->leave_link;
1854	}	1968	}
…		…
1909	# get handled first	2023	# get handled first
1910	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1911	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
1912		2026
1913	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2029
1915	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1916		2031
1917	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2033	if (@$queue) {
…		…
2079	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
2080	using it, it should be unique.	2195	using it, it should be unique.
2081		2196
2082	=over 4	2197	=over 4
2083		2198
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	2199	=item $value = cf::db_get $family => $key
2091		2200
2092	Returns a single value from the database	2201	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		2202
2099	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2100		2204
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
2112	=cut	2207	=cut
2113		2208
2114	our $DB;	2209	our $DB;
2115		2210
2116	{	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
2117	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;
2118		2230
2119	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2235
2123	my $pid;	2236	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	}	2237	};
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	},	2238	}
2171	);	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 { };
2172	}	2256	}
2173		2257
2174	#############################################################################	2258	#############################################################################
2175	# 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	}
2176		2265
2177	sub cfg_load {	2266	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2268	or return;
2180		2269
…		…
2193	};	2282	};
2194	warn $@ if $@;	2283	warn $@ if $@;
2195	}	2284	}
2196	}	2285	}
2197		2286
		2287	sub init {
		2288	load_resources;
		2289	}
		2290
2198	sub main {	2291	sub main {
2199	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2201	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 {
2202	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2203	};	2298	};
2204		2299
2205	cfg_load;	2300	cfg_load;
2206	db_load;	2301	db_init;
2207	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2208	Event::loop;	2305	Event::loop;
2209	}	2306	}
2210		2307
2211	#############################################################################	2308	#############################################################################
2212	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2213		2365
2214	sub reload() {	2366	sub reload() {
2215	# can/must only be called in main	2367	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2218	return;	2370	return;
2219	}	2371	}
2220		2372
2221	warn "reloading...";	2373	warn "reloading...";
2222		2374
2223	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
2225		2381
2226	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2227	# 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
2228		2386
2229	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2390	}
2233		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
2234	# cancel all extension coros	2401	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2403	%EXT_CORO = ();
2237		2404
2238	# unload all extensions	2405	warn "removing commands";
2239	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2241	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: $@";
2242	}	2420	}
2243		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2244	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2429
2248	warn "removing <$k>";	2430	warn "... unloading $k";
2249	delete $INC{$k};	2431	delete $INC{$k};
2250		2432
2251	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2253		2435
…		…
2256	}	2438	}
2257		2439
2258	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2259	}	2441	}
2260		2442
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2267	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);
2268		2446
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2274		2449
2275	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2451	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2278		2453
2279	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2280	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2281	require cf;	2457	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2459
2284	# load config and database again	2460	warn "loading config and database again";
2285	cf::cfg_load;	2461	cf::cfg_load;
2286	cf::db_load;
2287		2462
2288	# load extensions
2289	warn "load extensions";	2463	warn "loading extensions";
2290	cf::load_extensions;	2464	cf::load_extensions;
2291		2465
2292	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2293	warn "reattach";
2294	_global_reattach;	2467	_global_reattach;
		2468	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2469	reattach $_ for values %MAP;
2296	};
2297		2470
2298	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2299	warn $@;	2478	warn $@;
2300	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2301	exit 1;	2480	exit 1;
2302	}	2481	};
2303		2482
2304	warn "reloaded successfully";	2483	warn "reloaded";
2305	};	2484	};
2306		2485
2307	#############################################################################	2486	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} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2487
2352	register_command "reload" => sub {	2488	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2354		2490
2355	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2356	$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 {
2357	reload;	2502	reload;
2358	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2359	}	2506	}
2360	};	2507	};
2361		2508
2362	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2363		2512
2364	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2366	prio => 0,	2516	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2369	cb => sub {	2519	cb => sub {
		2520	if ($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
2370	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($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
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2373		2546
2374	# 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
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2549
2377	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2379	},	2552	},
2380	);	2553	);
2381		2554
		2555	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2383		2557	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2558	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2386	poll => 'r',	2560	poll => 'r',
2387	prio => 5,	2561	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2394	after => 0,	2563	cb => \&BDB::poll_cb,
2395	interval => 10,	2564	);
2396	cb => sub {	2565	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2566
2398	write_runtime	2567	BDB::set_sync_prepare {
2399	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 $@;
2400	})->();	2601	};
2401	},	2602	}
2402	);	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	}
2403		2619
2404	END { cf::emergency_save }	2620	END { cf::emergency_save }
2405		2621
2406	1	2622	1
2407		2623

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