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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 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 2.31 ();	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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
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
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
233		282
234	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	322	warn $@ if $@;
274	undef $busy;	323	undef $busy;
275	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
276		325
277	while ($busy) {	326	while ($busy) {
278	unless (Coro::cede) {	327	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	328	}
283		329
284	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
285	} else {	331	} else {
286	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	335	}
290	}	336	}
291		337
292	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
293		339
294	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	341	extension calling this is being unloaded.
296		342
297	=cut	343	=cut
298		344
299	sub async_ext(&) {	345	sub async_ext(&) {
…		…
308		354
309	$coro	355	$coro
310	}	356	}
311		357
312	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
313	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
314		362
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	364	or return;
317		365
		366	my $value = $cf::RUNTIME + 90 + 10;
318	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
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	371	and return;
321		372
		373	# always fsync - this file is important
322	aio_fsync $fh	374	aio_fsync $fh
323	and return;	375	and return;
324		376
325	close $fh	377	close $fh
326	or return;	378	or return;
…		…
332	}	384	}
333		385
334	=back	386	=back
335		387
336	=cut	388	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		389
458	#############################################################################	390	#############################################################################
459		391
460	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
461		393
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	520	our @CB_MAP = ();
589		521
590	my %attachment;	522	my %attachment;
591		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
592	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
594		532
595	use sort 'stable';	533	use sort 'stable';
596		534
…		…
767	# object support	705	# object support
768		706
769	sub reattach {	707	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		712
773	my $registry = $obj->registry;	713	my $registry = $obj->registry;
774		714
775	@$registry = ();	715	@$registry = ();
776		716
…		…
823	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
824		764
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	769	close $fh;
830		770
831	if (@$objs) {	771	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	777	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
839	}	779	}
840	} else {	780	} else {
841	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
908	=cut	848	=cut
909		849
910	sub register_extcmd {	850	sub register_extcmd {
911	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
912		852
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
917	}	854	}
918		855
919	cf::player->attach (	856	cf::player->attach (
920	on_command => sub {	857	on_command => sub {
921	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
934		871
935	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
936		873
937	if (ref $msg) {	874	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	878	}
942	}	879	}
943	} else {	880	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		883
947	cf::override;	884	cf::override;
948	},	885	},
949	);	886	);
950		887
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	888	sub load_extension {
958	my ($path) = @_;	889	my ($path) = @_;
959		890
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	892	my $base = $1;
962	my $pkg = $1;	893	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
965		896
966	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
967		898
968	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
969	or die "$path: $!";	900	or die "$path: $!";
970		901
971	my $source =	902	my $source =
972	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
975	. "\n};\n1";	906	. "\n};\n1";
976		907
977	eval $source	908	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	910	: "extension disabled.\n";
980		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	912	warn $@;
982	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
983		914	exit 1;
984	# no strict 'refs';	915	}
985	# @{"$pkg\::ISA"} = ext::;	916	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	917	}
1000		918
1001	# remove commands	919	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	920	}
1026		921
1027	sub load_extensions {	922	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	924	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1034	}	929	}
1035	}	930	}
1036		931
1037	#############################################################################	932	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		933
1075	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1076		935
1077	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1078		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1079	=head3 cf::player	944	=head3 cf::player
1080		945
1081	=over 4	946	=over 4
1082		947
1083	=item cf::player::exists $login	948	=item cf::player::find $login
1084		949
1085	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1086		951
1087	=cut	952	=cut
1088		953
1089	sub cf::player::exists($) {	954	sub playerdir($) {
1090	cf::player::find $_[0]	955	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1092	}	1110	}
1093		1111
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1113
1096	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1097		1115
1098	=cut	1116	=cut
1099		1117
1100	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1102		1120
1103	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1104		1122
1105	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1106	}	1124	}
		1125
		1126	package cf;
1107		1127
1108	=back	1128	=back
1109		1129
1110		1130
1111	=head3 cf::map	1131	=head3 cf::map
…		…
1117	package cf::map;	1137	package cf::map;
1118		1138
1119	use Fcntl;	1139	use Fcntl;
1120	use Coro::AIO;	1140	use Coro::AIO;
1121		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1122	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1124		1148
1125	sub generate_random_map {	1149	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1152	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1294	}
1143		1295
1144	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1145	# all maps in C++...	1297	# all maps in C++...
1146	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1148		1300
1149	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1151	}	1303	}
1152		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1153	sub try_load_header($) {	1313	sub load_header_from($) {
1154	my ($path) = @_;	1314	my ($self, $path) = @_;
1155		1315
1156	utf8::encode $path;	1316	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1158	or return;	1321	or return;
1159		1322
1160	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1161	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1162		1369
1163	# for better error messages only, will be overwritten	1370	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1371	}
1173		1372
1174	sub find;	1373	sub find;
1175	sub find {	1374	sub find {
1176	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1177		1376
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1378
1183	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1184		1380
1185	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1187		1383	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1384	or return;
1207		1385
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1220		1387
1221	Coro::cede;	1388	$map->load_header
		1389	or return;
1222		1390
1223	if ($map->should_reset) {	1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1394	$map->reset;
1225	undef $guard;	1395	undef $guard;
1226	$map = find $path	1396	return find $path;
1227	or return;
1228	}	1397	}
1229		1398
1230	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1231	}	1400	}
1232	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1233		1405
1234	sub load {	1406	sub load {
1235	my ($self) = @_;	1407	my ($self) = @_;
1236		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1237	my $path = $self->{path};	1411	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1239		1413
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1415
1242	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1243		1417
1244	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1245	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1423	or return;
1247		1424
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1426	if delete $self->{load_original};
1250		1427
1251	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1429	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1431	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1256	}	1433	}
1257	}	1434	}
1258		1435
1259	Coro::cede;	1436	Coro::cede;
1260		1437
1261	# now do the right thing for maps	1438	# now do the right thing for maps
1262	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1263		1440
1264	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1442	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1271	$self->set_darkness_map;	1446	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1274	$self->activate;	1450	$self->activate;
1275	}	1451	}
1276		1452
1277	Coro::cede;	1453	$self->post_load;
1278		1454
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
1280	}	1489	}
1281		1490
1282	sub find_sync {	1491	sub find_sync {
1283	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1284		1493
1285	cf::sync_job { cf::map::find $path, $origin }	1494	cf::sync_job { find $path, $origin }
1286	}	1495	}
1287		1496
1288	sub do_load_sync {	1497	sub do_load_sync {
1289	my ($map) = @_;	1498	my ($map) = @_;
1290		1499
1291	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1292	}	1501	}
1293		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
		1531	}
		1532
1294	sub save {	1533	sub save {
1295	my ($self) = @_;	1534	my ($self) = @_;
1296		1535
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1537
1299	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1300		1539
1301	return unless $self->dirty;	1540	return unless $self->dirty;
1302		1541
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1544
1306	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1307		1546
1308	return if $self->{deny_save};	1547	return if $self->{deny_save};
1309		1548
1310	local $self->{last_access} = $self->last_access;#d#	1549	local $self->{last_access} = $self->last_access;#d#
1311		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1312	if ($uniq) {	1555	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1558	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1560	}
1318	}	1561	}
1319		1562
1320	sub swap_out {	1563	sub swap_out {
1321	my ($self) = @_;	1564	my ($self) = @_;
…		…
1335		1578
1336	sub reset_at {	1579	sub reset_at {
1337	my ($self) = @_;	1580	my ($self) = @_;
1338		1581
1339	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1342		1585
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1588
…		…
1350	my ($self) = @_;	1593	my ($self) = @_;
1351		1594
1352	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1353	}	1596	}
1354		1597
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1598	sub reset {
1377	my ($self) = @_;	1599	my ($self) = @_;
1378		1600
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1602
1381	return if $self->players;	1603	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1383		1605
1384	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1385		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1386	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1387		1621
1388	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1389		1623
1390	$self->unlink_save;	1624	$self->unlink_save;
1391	$self->destroy;	1625	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1395		1629
1396	sub nuke {	1630	sub nuke {
1397	my ($self) = @_;	1631	my ($self) = @_;
1398		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1402	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1403	}	1646	}
1404		1647
1405	sub customise_for {	1648	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1649
1408	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1410	}
1411		1652
1412	$map	1653	=cut
1413	}
1414		1654
1415	sub emergency_save {	1655	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1417		1658
1418	warn "enter emergency map save\n";	1659	my @paths;
1419		1660
1420	cf::sync_job {	1661	for (@$files) {
1421	warn "begin emergency map save\n";	1662	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1423	};	1667	}
1424		1668
1425	warn "end emergency map save\n";	1669	\@paths
1426	}	1670	}
1427		1671
1428	package cf;	1672	package cf;
1429		1673
1430	=back	1674	=back
1431		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1432		1702
1433	=head3 cf::object::player	1703	=head3 cf::object::player
1434		1704
1435	=over 4	1705	=over 4
1436		1706
…		…
1476		1746
1477	=item $player_object->enter_link	1747	=item $player_object->enter_link
1478		1748
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1750
1481	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1483		1753
		1754	Will never block.
		1755
1484	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1485		1757
1486	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1761	fails, to the emergency map position.
1490		1762
1491	Might block.	1763	Might block.
1492		1764
1493	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1494		1776
1495	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1778	my ($self) = @_;
1497		1779
1498	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1499		1781
1500	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1783
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1785	if $self->map;
1504		1786
1505	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1788	}
1507		1789
1508	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1510		1792
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1531		1813
1532	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1533		1816
		1817	return unless $self->contr->active;
1534	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1536	}	1822	}
1537		1823
1538	cf::player->attach (	1824	cf::player->attach (
1539	on_logout => sub {	1825	on_logout => sub {
…		…
1550	my ($pl) = @_;	1836	my ($pl) = @_;
1551		1837
1552	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1839	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1557	(async {	1842	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1843	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1844	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1845	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1846	cf::NDI_RED);
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1566	})->prio (2);	1851	})->prio (2);
1567	}	1852	}
1568	},	1853	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1577		1862
1578	$self->enter_link;	1863	$self->enter_link;
1579		1864
1580	(async {	1865	(async {
1581	$path = new cf::path $path;	1866	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1585		1869	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1872
1591	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1874	})->prio (1);
1593	}	1875	}
1594		1876
…		…
1598		1880
1599	sub parse_random_map_params {	1881	sub parse_random_map_params {
1600	my ($spec) = @_;	1882	my ($spec) = @_;
1601		1883
1602	my $rmp = { # defaults	1884	my $rmp = { # defaults
1603	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1605	};	1889	};
1606		1890
1607	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1609		1893
…		…
1613	$rmp	1897	$rmp
1614	}	1898	}
1615		1899
1616	sub prepare_random_map {	1900	sub prepare_random_map {
1617	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1904
1619	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1907	# that depends on the exit object
1622		1908
1623	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1624		1910
1625	if ($exit->map) {	1911	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1630	}	1916	}
1631		1917
1632	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1633		1919
1634	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1923
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1639		1928
1640	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1930	$exit->msg (undef);
1642	}	1931	}
1643	}	1932	}
1644		1933
1645	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1647		1936
1648	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
1649		1947
1650	$self->enter_link;	1948	$self->enter_link;
1651		1949
1652	(async {	1950	(async {
1653	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1952	unless (eval {
1655	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1954
1661	1;	1955	1;
1662	}) {	1956	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1961
1668	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1963	$self->leave_link;
1670	}	1964	}
…		…
1725	# get handled first	2019	# get handled first
1726	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2022
1729	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2025
1731	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1732		2027
1733	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2029	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2191	using it, it should be unique.
1897		2192
1898	=over 4	2193	=over 4
1899		2194
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
1907		2196
1908	Returns a single value from the database	2197	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2198
1915	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1916		2200
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2202
1928	=cut	2203	=cut
1929		2204
1930	our $DB;	2205	our $DB;
1931		2206
1932	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1933	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1934		2226
1935	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2231
1939	my $pid;	2232	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2233	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});
1961
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {
1968	@_ >= 2
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972
1973	sub db_put($$;$) {
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2234	}
1987	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2252	}
1989		2253
1990	#############################################################################	2254	#############################################################################
1991	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1992		2261
1993	sub cfg_load {	2262	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2264	or return;
1996		2265
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2273
2005	if (exists $CFG{mlockall}) {	2274	if (exists $CFG{mlockall}) {
2006	eval {	2275	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2277	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2278	};
2010	warn $@ if $@;	2279	warn $@ if $@;
2011	}	2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
2012	}	2285	}
2013		2286
2014	sub main {	2287	sub main {
2015	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2291	(async {
2018	async { Event::one_event };	2292	Event::one_event;
		2293	})->prio (Coro::PRIO_MAX);
2019	};	2294	};
2020		2295
2021	cfg_load;	2296	cfg_load;
2022	db_load;	2297	db_init;
2023	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2024	Event::loop;	2301	Event::loop;
2025	}	2302	}
2026		2303
2027	#############################################################################	2304	#############################################################################
2028	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2029		2361
2030	sub reload() {	2362	sub reload() {
2031	# can/must only be called in main	2363	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2034	return;	2366	return;
2035	}	2367	}
2036		2368
2037	warn "reloading...";	2369	warn "reloading...";
2038		2370
2039	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2041		2377
2042	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2043	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2044		2382
2045	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2386	}
2049		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2050	# cancel all extension coros	2397	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2399	%EXT_CORO = ();
2053		2400
2054	# unload all extensions	2401	warn "removing commands";
2055	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2057	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2416	}
2059		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2060	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2425
2064	warn "removing <$k>";	2426	warn "... unloading $k";
2065	delete $INC{$k};	2427	delete $INC{$k};
2066		2428
2067	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2069		2431
…		…
2072	}	2434	}
2073		2435
2074	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2075	}	2437	}
2076		2438
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2442
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2090		2445
2091	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2447	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2094		2449
2095	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2096	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2097	require cf;	2453	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2455
2100	# load config and database again	2456	warn "loading config and database again";
2101	cf::cfg_load;	2457	cf::cfg_load;
2102	cf::db_load;
2103		2458
2104	# load extensions
2105	warn "load extensions";	2459	warn "loading extensions";
2106	cf::load_extensions;	2460	cf::load_extensions;
2107		2461
2108	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2463	_global_reattach;
2111	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2112		2466
2113	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2114	warn $@;	2474	warn $@;
2115	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2116	exit 1;	2476	exit 1;
2117	}	2477	};
2118		2478
2119	warn "reloaded successfully";	2479	warn "reloaded";
2120	};	2480	};
2121		2481
2122	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2483
2167	register_command "reload" => sub {	2484	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2169		2486
2170	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2172	reload;	2498	reload;
2173	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2174	}	2502	}
2175	};	2503	};
2176		2504
2177	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2178		2508
2179	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2181	prio => 0,	2512	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2184	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2185	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2188		2541
2189	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2544
2192	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2194	},	2547	},
2195	);	2548	);
2196		2549
		2550	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2198		2552	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2553	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2201	poll => 'r',	2555	poll => 'r',
2202	prio => 5,	2556	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2209	after => 0,	2558	cb => \&BDB::poll_cb,
2210	interval => 10,	2559	);
2211	cb => sub {	2560	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2561
2213	write_runtime	2562	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2596	};
2216	},	2597	}
2217	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2218		2614
2219	END { cf::emergency_save }	2615	END { cf::emergency_save }
2220		2616
2221	1	2617	1
2222		2618

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