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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.210 by root, Mon Feb 12 01:32:49 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 ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	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
25		30
26	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
27		34
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$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
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	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;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	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;
231	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
232	$guard	282	$guard
233	}	283	}
234		284
235	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
287	}	337	}
288	}	338	}
289		339
290	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
291		341
292	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	343	extension calling this is being unloaded.
294		344
295	=cut	345	=cut
296		346
297	sub async_ext(&) {	347	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
312		362
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	364	or return;
315		365
		366	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	371	and return;
319		372
		373	# always fsync - this file is important
320	aio_fsync $fh	374	aio_fsync $fh
321	and return;	375	and return;
322		376
323	close $fh	377	close $fh
324	or return;	378	or return;
…		…
330	}	384	}
331		385
332	=back	386	=back
333		387
334	=cut	388	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		389
456	#############################################################################	390	#############################################################################
457		391
458	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
459		393
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	520	our @CB_MAP = ();
587		521
588	my %attachment;	522	my %attachment;
589		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
590	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
592		532
593	use sort 'stable';	533	use sort 'stable';
594		534
…		…
765	# object support	705	# object support
766		706
767	sub reattach {	707	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		712
771	my $registry = $obj->registry;	713	my $registry = $obj->registry;
772		714
773	@$registry = ();	715	@$registry = ();
774		716
…		…
821	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
822		764
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	769	close $fh;
828		770
829	if (@$objs) {	771	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	777	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
837	}	779	}
838	} else {	780	} else {
839	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
845	}	787	}
846	} else {	788	} else {
847	aio_unlink $filename;	789	aio_unlink $filename;
848	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
849	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
850	}	798	}
851	}	799	}
852		800
853	sub object_freezer_as_string {	801	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
860		808
861	sub object_thawer_load {	809	sub object_thawer_load {
862	my ($filename) = @_;	810	my ($filename) = @_;
863		811
864	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
865		816
866	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
867	or return;	818	or return;
868		819
869	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
906	=cut	857	=cut
907		858
908	sub register_extcmd {	859	sub register_extcmd {
909	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
910		861
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
915	}	863	}
916		864
917	cf::player->attach (	865	cf::player->attach (
918	on_command => sub {	866	on_command => sub {
919	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
932		880
933	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
934		882
935	if (ref $msg) {	883	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	887	}
940	}	888	}
941	} else {	889	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		892
945	cf::override;	893	cf::override;
946	},	894	},
947	);	895	);
948		896
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	897	sub load_extension {
956	my ($path) = @_;	898	my ($path) = @_;
957		899
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	901	my $base = $1;
960	my $pkg = $1;	902	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
963		905
964	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
965		907
966	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
967	or die "$path: $!";	909	or die "$path: $!";
968		910
969	my $source =	911	my $source =
970	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
973	. "\n};\n1";	915	. "\n};\n1";
974		916
975	eval $source	917	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	919	: "extension disabled.\n";
978		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	921	warn $@;
980	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
981		923	exit 1;
982	# no strict 'refs';	924	}
983	# @{"$pkg\::ISA"} = ext::;	925	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	926	}
998		927
999	# remove commands	928	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	929	}
1024		930
1025	sub load_extensions {	931	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	933	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1032	}	938	}
1033	}	939	}
1034		940
1035	#############################################################################	941	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		942
1073	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1074		944
1075	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1076		946
1077	=cut	947	=cut
1078		948
1079	package cf::player;	949	package cf::player;
		950
		951	use Coro::AIO;
1080		952
1081	=head3 cf::player	953	=head3 cf::player
1082		954
1083	=over 4	955	=over 4
1084		956
…		…
1110		982
1111	sub exists($) {	983	sub exists($) {
1112	my ($login) = @_;	984	my ($login) = @_;
1113		985
1114	$cf::PLAYER{$login}	986	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	987	or cf::sync_job { !aio_stat path $login }
1116	}	988	}
1117		989
1118	sub find($) {	990	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	991	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	992	my $login = $_[0];
1121		993
1122	my $guard = cf::lock_acquire "user_find:$login";	994	my $guard = cf::lock_acquire "user_find:$login";
1123		995
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
1125	};	1001	}
1126	}	1002	}
1127		1003
1128	sub save($) {	1004	sub save($) {
1129	my ($pl) = @_;	1005	my ($pl) = @_;
1130		1006
…		…
1133	my $path = path $pl;	1009	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1010	my $guard = cf::lock_acquire "user_save:$path";
1135		1011
1136	return if $pl->{deny_save};	1012	return if $pl->{deny_save};
1137		1013
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1014	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1015	$pl->{last_save} = $cf::RUNTIME;
1140		1016
1141	Coro::cede;
1142	$pl->save_pl ($path);	1017	$pl->save_pl ($path);
1143	Coro::cede;	1018	Coro::cede;
1144	}	1019	}
1145		1020
1146	sub new($) {	1021	sub new($) {
…		…
1153		1028
1154	$cf::PLAYER{$login} = $self;	1029	$cf::PLAYER{$login} = $self;
1155		1030
1156	$self	1031	$self
1157	}	1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
1158		1040
1159	sub quit_character {	1041	sub quit_character {
1160	my ($pl) = @_;	1042	my ($pl) = @_;
1161		1043
1162	$pl->{deny_save} = 1;	1044	$pl->{deny_save} = 1;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1050	$pl->ns->destroy if $pl->ns;
1169		1051
1170	my $path = playerdir $pl;	1052	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1053	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1054	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1055	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1056	$pl->destroy;
1175
1176	IO::AIO::aio_rmtree $temp;	1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
1177	};	1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1178	}	1111	}
1179		1112
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1181		1114
1182	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
…		…
1205	package cf::map;	1138	package cf::map;
1206		1139
1207	use Fcntl;	1140	use Fcntl;
1208	use Coro::AIO;	1141	use Coro::AIO;
1209		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1210	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1212		1149
1213	sub generate_random_map {	1150	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1153	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230	}	1295	}
1231		1296
1232	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1233	# all maps in C++...	1298	# all maps in C++...
1234	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1236		1301
1237	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1239	}	1304	}
1240		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1241	sub try_load_header($) {	1319	sub load_header_from($) {
1242	my ($path) = @_;	1320	my ($self, $path) = @_;
1243		1321
1244	utf8::encode $path;	1322	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1246	or return;	1327	or return;
1247		1328
1248	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1249	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1250		1375
1251	# for better error messages only, will be overwritten	1376	1
1252	$map->path ($path);
1253
1254	$map->load_header ($path)
1255	or return;
1256
1257	$map->{load_path} = $path;
1258
1259	$map
1260	}	1377	}
1261		1378
1262	sub find;	1379	sub find;
1263	sub find {	1380	sub find {
1264	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1265		1382
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1384
1271	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1272		1386
1273	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1275		1389	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1390	or return;
1295		1391
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1308		1393
1309	Coro::cede;	1394	$map->load_header
		1395	or return;
1310		1396
1311	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1400	$map->reset;
1313	undef $guard;	1401	undef $guard;
1314	$map = find $path	1402	return find $path;
1315	or return;
1316	}	1403	}
1317		1404
1318	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1319	}	1406	}
1320	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1321		1411
1322	sub load {	1412	sub load {
1323	my ($self) = @_;	1413	my ($self) = @_;
1324		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1325	my $path = $self->{path};	1417	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1327		1419
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1421
1330	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1331		1423
1332	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1333	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1429	or return;
1335		1430
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1432	if delete $self->{load_original};
1338		1433
1339	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1435	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1437	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1344	}	1439	}
1345	}	1440	}
1346		1441
1347	Coro::cede;	1442	Coro::cede;
1348		1443
1349	# now do the right thing for maps	1444	# now do the right thing for maps
1350	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1351		1446
1352	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1448	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1359	$self->set_darkness_map;	1452	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1362	$self->activate;	1456	$self->activate;
1363	}	1457	}
1364		1458
1365	Coro::cede;	1459	$self->post_load;
1366		1460
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1368	}	1495	}
1369		1496
1370	sub find_sync {	1497	sub find_sync {
1371	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1372		1499
1373	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1374	}	1501	}
1375		1502
1376	sub do_load_sync {	1503	sub do_load_sync {
1377	my ($map) = @_;	1504	my ($map) = @_;
1378		1505
1379	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1380	}	1507	}
1381		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1382	sub save {	1539	sub save {
1383	my ($self) = @_;	1540	my ($self) = @_;
1384		1541
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1543
1387	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1388		1545
1389	return unless $self->dirty;	1546	return unless $self->dirty;
1390		1547
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1550
1394	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1395		1552
1396	return if $self->{deny_save};	1553	return if $self->{deny_save};
1397		1554
…		…
1400	cf::async {	1557	cf::async {
1401	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1402	};	1559	};
1403		1560
1404	if ($uniq) {	1561	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1564	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	1566	}
1410	}	1567	}
1411		1568
1412	sub swap_out {	1569	sub swap_out {
1413	my ($self) = @_;	1570	my ($self) = @_;
…		…
1427		1584
1428	sub reset_at {	1585	sub reset_at {
1429	my ($self) = @_;	1586	my ($self) = @_;
1430		1587
1431	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1434		1591
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		1594
…		…
1442	my ($self) = @_;	1599	my ($self) = @_;
1443		1600
1444	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1445	}	1602	}
1446		1603
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1604	sub reset {
1469	my ($self) = @_;	1605	my ($self) = @_;
1470		1606
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1608
1473	return if $self->players;	1609	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1475		1611
1476	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1477		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1478	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1479		1627
1480	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1481		1629
1482	$self->unlink_save;	1630	$self->unlink_save;
1483	$self->destroy;	1631	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1487		1635
1488	sub nuke {	1636	sub nuke {
1489	my ($self) = @_;	1637	my ($self) = @_;
1490		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1494	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1495	}	1652	}
1496		1653
1497	sub customise_for {	1654	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1655
1500	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1502	}
1503		1658
1504	$map	1659	=cut
1505	}
1506		1660
1507	sub emergency_save {	1661	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1509		1664
1510	warn "enter emergency perl save\n";	1665	my @paths;
1511		1666
1512	cf::sync_job {	1667	for (@$files) {
1513	warn "begin emergency player save\n";	1668	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1669	next if /\.pst$/;
1515	warn "end emergency player save\n";	1670	next unless /^$PATH_SEP/o;
1516		1671
1517	warn "begin emergency map save\n";	1672	push @paths, cf::map::normalise $_;
1518	$_->save for values %cf::MAP;
1519	warn "end emergency map save\n";
1520	};	1673	}
1521		1674
1522	warn "leave emergency perl save\n";	1675	\@paths
1523	}	1676	}
1524		1677
1525	package cf;	1678	package cf;
1526		1679
1527	=back	1680	=back
1528		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1529		1708
1530	=head3 cf::object::player	1709	=head3 cf::object::player
1531		1710
1532	=over 4	1711	=over 4
1533		1712
…		…
1573		1752
1574	=item $player_object->enter_link	1753	=item $player_object->enter_link
1575		1754
1576	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1577		1756
1578	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1580		1759
		1760	Will never block.
		1761
1581	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1582		1763
1583	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	1767	fails, to the emergency map position.
1587		1768
1588	Might block.	1769	Might block.
1589		1770
1590	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1591		1782
1592	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1784	my ($self) = @_;
1594		1785
1595	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1596		1787
1597	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1789
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1791	if $self->map;
1601		1792
1602	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1794	}
1604		1795
1605	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1607		1798
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1628		1819
1629	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1630		1822
1631	return unless $self->contr->active;	1823	return unless $self->contr->active;
1632	$self->activate_recursive;	1824	$self->activate_recursive;
1633	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1634	}	1826	}
…		…
1673	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1674		1866
1675	$self->enter_link;	1867	$self->enter_link;
1676		1868
1677	(async {	1869	(async {
1678	$path = new cf::path $path;	1870	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1682		1873	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1876
1688	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1878	})->prio (1);
1690	}	1879	}
1691		1880
…		…
1695		1884
1696	sub parse_random_map_params {	1885	sub parse_random_map_params {
1697	my ($spec) = @_;	1886	my ($spec) = @_;
1698		1887
1699	my $rmp = { # defaults	1888	my $rmp = { # defaults
1700	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1702	};	1893	};
1703		1894
1704	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1706		1897
…		…
1710	$rmp	1901	$rmp
1711	}	1902	}
1712		1903
1713	sub prepare_random_map {	1904	sub prepare_random_map {
1714	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1908
1716	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1911	# that depends on the exit object
1719		1912
1720	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1721		1914
1722	if ($exit->map) {	1915	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1727	}	1920	}
1728		1921
1729	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1730		1923
1731	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1927
1734	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) {
1735	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;
1736		1932
1737	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1934	$exit->msg (undef);
1739	}	1935	}
1740	}	1936	}
1741		1937
1742	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1744		1940
1745	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;
1746		1951
1747	$self->enter_link;	1952	$self->enter_link;
1748		1953
1749	(async {	1954	(async {
1750	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1956	unless (eval {
1752	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1958
1758	1;	1959	1;
1759	}) {	1960	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "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. "
1762	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1764		1965
1765	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	1967	$self->leave_link;
1767	}	1968	}
…		…
1822	# get handled first	2023	# get handled first
1823	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1824	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
1825		2026
1826	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2029
1828	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1829		2031
1830	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2033	if (@$queue) {
…		…
1992	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
1993	using it, it should be unique.	2195	using it, it should be unique.
1994		2196
1995	=over 4	2197	=over 4
1996		2198
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
2004		2200
2005	Returns a single value from the database	2201	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2202
2012	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
2013		2204
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2206
2025	=cut	2207	=cut
2026		2208
2027	our $DB;	2209	our $DB;
2028		2210
2029	{	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
2030	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;
2031		2230
2032	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2235
2036	my $pid;	2236	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2237	};
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2238	}
2084	);	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 { };
2085	}	2256	}
2086		2257
2087	#############################################################################	2258	#############################################################################
2088	# 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	}
2089		2265
2090	sub cfg_load {	2266	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2268	or return;
2093		2269
…		…
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		2277
2102	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2103	eval {	2279	eval {
2104	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	2282	};
2107	warn $@ if $@;	2283	warn $@ if $@;
2108	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2109	}	2289	}
2110		2290
2111	sub main {	2291	sub main {
2112	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2114	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 {
2115	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2116	};	2298	};
2117		2299
2118	cfg_load;	2300	cfg_load;
2119	db_load;	2301	db_init;
2120	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2121	Event::loop;	2305	Event::loop;
2122	}	2306	}
2123		2307
2124	#############################################################################	2308	#############################################################################
2125	# 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 $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2126		2358
2127	sub reload() {	2359	sub reload() {
2128	# can/must only be called in main	2360	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2131	return;	2363	return;
2132	}	2364	}
2133		2365
2134	warn "reloading...";	2366	warn "reloading...";
2135		2367
2136	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2137	cf::emergency_save;	2371	cf::emergency_save;
2138		2372
2139	eval {	2373	eval {
2140	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2141		2375
2142	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2379	}
2146		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
2147	# cancel all extension coros	2393	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2395	%EXT_CORO = ();
2150		2396
2151	# unload all extensions	2397	warn "removing commands";
2152	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2405	warn "... unloading $pkg";
2154	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2412	}
2156		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
2157	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2421
2161	warn "removing <$k>";	2422	warn "... unloading $k";
2162	delete $INC{$k};	2423	delete $INC{$k};
2163		2424
2164	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
2166		2427
…		…
2169	}	2430	}
2170		2431
2171	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
2172	}	2433	}
2173		2434
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2438
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
2187		2441
2188	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2443	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
2191		2445
2192	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
2193	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
2194	require cf;	2449	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2451
2197	# load config and database again	2452	warn "loading config and database again";
2198	cf::cfg_load;	2453	cf::cfg_load;
2199	cf::db_load;
2200		2454
2201	# load extensions
2202	warn "load extensions";	2455	warn "loading extensions";
2203	cf::load_extensions;	2456	cf::load_extensions;
2204		2457
2205	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2206	warn "reattach";
2207	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2209	};	2469	};
2210		2470
2211	if ($@) {	2471	if ($@) {
2212	warn $@;	2472	warn $@;
2213	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2214	exit 1;	2474	exit 1;
2215	}	2475	}
2216		2476
2217	warn "reloaded successfully";	2477	warn "reloaded";
2218	};	2478	};
2219		2479
2220	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2481
2265	register_command "reload" => sub {	2482	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2267		2484
2268	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2270	reload;	2496	reload;
2271	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2272	}	2500	}
2273	};	2501	};
2274		2502
2275	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2276		2506
2277	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2279	prio => 0,	2510	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2282	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2283	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2286		2534
2287	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2537
2290	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2292	},	2540	},
2293	);	2541	);
2294		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2295	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2296		2598	$AIO_POLL_WATCHER = Event->io (
2297	Event->io (	2599	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2299	poll => 'r',	2601	poll => 'r',
2300	prio => 5,	2602	prio => 6,
2301	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2303	);	2605	);
		2606	}
2304		2607
2305	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2306	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2307	after => 0,	2611	after => 1,
2308	interval => 10,	2612	interval => 10,
2309	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2310	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2311	write_runtime	2615	write_runtime
2312	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2313	})->();
2314	},	2617	},
2315	);	2618	);
2316		2619
2317	END { cf::emergency_save }	2620	END { cf::emergency_save }
2318		2621

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