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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 1.222 by root, Tue Mar 6 03:06:00 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 $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1092	}	1124	}
1093		1125
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1127
1096	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1097		1129
1098	=cut	1130	=cut
1099		1131
1100	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1102		1134
1103	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1104		1136
1105	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1106	}	1138	}
		1139
		1140	package cf;
1107		1141
1108	=back	1142	=back
1109		1143
1110		1144
1111	=head3 cf::map	1145	=head3 cf::map
…		…
1117	package cf::map;	1151	package cf::map;
1118		1152
1119	use Fcntl;	1153	use Fcntl;
1120	use Coro::AIO;	1154	use Coro::AIO;
1121		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1122	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1124		1162
1125	sub generate_random_map {	1163	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1166	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1308	}
1143		1309
1144	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1145	# all maps in C++...	1311	# all maps in C++...
1146	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1148		1314
1149	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1151	}	1317	}
1152		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1153	sub try_load_header($) {	1327	sub load_header_from($) {
1154	my ($path) = @_;	1328	my ($self, $path) = @_;
1155		1329
1156	utf8::encode $path;	1330	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1158	or return;	1335	or return;
1159		1336
1160	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1161	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1162		1383
1163	# for better error messages only, will be overwritten	1384	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1385	}
1173		1386
1174	sub find;	1387	sub find;
1175	sub find {	1388	sub find {
1176	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1177		1390
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1392
1183	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1184		1394
1185	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1187		1397	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;	1398	or return;
1207		1399
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;	1400	$map->{last_save} = $cf::RUNTIME;
1220		1401
1221	Coro::cede;	1402	$map->load_header
		1403	or return;
1222		1404
1223	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1408	$map->reset;
1225	undef $guard;	1409	undef $guard;
1226	$map = find $path	1410	return find $path;
1227	or return;
1228	}	1411	}
1229		1412
1230	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1231	}	1414	}
1232	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1233		1419
1234	sub load {	1420	sub load {
1235	my ($self) = @_;	1421	my ($self) = @_;
1236		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1237	my $path = $self->{path};	1425	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1239		1427
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1429
1242	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1243		1431
1244	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1245	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1437	or return;
1247		1438
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1440	if delete $self->{load_original};
1250		1441
1251	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1443	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1445	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1256	}	1447	}
1257	}	1448	}
1258		1449
1259	Coro::cede;	1450	Coro::cede;
1260		1451
1261	# now do the right thing for maps	1452	# now do the right thing for maps
1262	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1263		1454
1264	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1456	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1271	$self->set_darkness_map;	1460	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1274	$self->activate;	1464	$self->activate;
1275	}	1465	}
1276		1466
1277	Coro::cede;	1467	$self->post_load;
1278		1468
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1280	}	1503	}
1281		1504
1282	sub find_sync {	1505	sub find_sync {
1283	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1284		1507
1285	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1286	}	1509	}
1287		1510
1288	sub do_load_sync {	1511	sub do_load_sync {
1289	my ($map) = @_;	1512	my ($map) = @_;
1290		1513
1291	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1292	}	1515	}
1293		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1294	sub save {	1547	sub save {
1295	my ($self) = @_;	1548	my ($self) = @_;
1296		1549
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1551
1299	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1300		1553
1301	return unless $self->dirty;	1554	return unless $self->dirty;
1302		1555
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1558
1306	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1307		1560
1308	return if $self->{deny_save};	1561	return if $self->{deny_save};
1309		1562
1310	local $self->{last_access} = $self->last_access;#d#	1563	local $self->{last_access} = $self->last_access;#d#
1311		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1312	if ($uniq) {	1569	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1572	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1574	}
1318	}	1575	}
1319		1576
1320	sub swap_out {	1577	sub swap_out {
1321	my ($self) = @_;	1578	my ($self) = @_;
…		…
1335		1592
1336	sub reset_at {	1593	sub reset_at {
1337	my ($self) = @_;	1594	my ($self) = @_;
1338		1595
1339	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1342		1599
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1602
…		…
1350	my ($self) = @_;	1607	my ($self) = @_;
1351		1608
1352	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1353	}	1610	}
1354		1611
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 {	1612	sub reset {
1377	my ($self) = @_;	1613	my ($self) = @_;
1378		1614
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1616
1381	return if $self->players;	1617	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1383		1619
1384	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1385		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1386	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1387		1635
1388	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1389		1637
1390	$self->unlink_save;	1638	$self->unlink_save;
1391	$self->destroy;	1639	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1395		1643
1396	sub nuke {	1644	sub nuke {
1397	my ($self) = @_;	1645	my ($self) = @_;
1398		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1402	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1403	}	1660	}
1404		1661
1405	sub customise_for {	1662	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1663
1408	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1410	}
1411		1666
1412	$map	1667	=cut
1413	}
1414		1668
1415	sub emergency_save {	1669	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1417		1672
1418	warn "enter emergency map save\n";	1673	my @paths;
1419		1674
1420	cf::sync_job {	1675	for (@$files) {
1421	warn "begin emergency map save\n";	1676	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1423	};	1681	}
1424		1682
1425	warn "end emergency map save\n";	1683	\@paths
1426	}	1684	}
1427		1685
1428	package cf;	1686	package cf;
1429		1687
1430	=back	1688	=back
1431		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1432		1716
1433	=head3 cf::object::player	1717	=head3 cf::object::player
1434		1718
1435	=over 4	1719	=over 4
1436		1720
…		…
1476		1760
1477	=item $player_object->enter_link	1761	=item $player_object->enter_link
1478		1762
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1764
1481	The player should be reaosnably safe there for short amounts of time. You	1765	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.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1483		1767
		1768	Will never block.
		1769
1484	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1485		1771
1486	Moves the player out of the specila link map onto the given map. If the	1772	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	1773	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,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1775	fails, to the emergency map position.
1490		1776
1491	Might block.	1777	Might block.
1492		1778
1493	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1494		1790
1495	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1792	my ($self) = @_;
1497		1793
1498	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1499		1795
1500	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1797
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1799	if $self->map;
1504		1800
1505	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1802	}
1507		1803
1508	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1510		1806
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1531		1827
1532	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1533		1830
		1831	return unless $self->contr->active;
1534	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1536	}	1836	}
1537		1837
1538	cf::player->attach (	1838	cf::player->attach (
1539	on_logout => sub {	1839	on_logout => sub {
…		…
1550	my ($pl) = @_;	1850	my ($pl) = @_;
1551		1851
1552	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1853	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1557	(async {	1856	(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,	1857	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1858	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1859	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1566	})->prio (2);	1865	})->prio (2);
1567	}	1866	}
1568	},	1867	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1577		1876
1578	$self->enter_link;	1877	$self->enter_link;
1579		1878
1580	(async {	1879	(async {
1581	$path = new cf::path $path;	1880	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1585		1883	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1886
1591	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1888	})->prio (1);
1593	}	1889	}
1594		1890
…		…
1598		1894
1599	sub parse_random_map_params {	1895	sub parse_random_map_params {
1600	my ($spec) = @_;	1896	my ($spec) = @_;
1601		1897
1602	my $rmp = { # defaults	1898	my $rmp = { # defaults
1603	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1605	};	1903	};
1606		1904
1607	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1609		1907
…		…
1613	$rmp	1911	$rmp
1614	}	1912	}
1615		1913
1616	sub prepare_random_map {	1914	sub prepare_random_map {
1617	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1918
1619	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1921	# that depends on the exit object
1622		1922
1623	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1624		1924
1625	if ($exit->map) {	1925	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1630	}	1930	}
1631		1931
1632	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1633		1933
1634	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1937
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1639		1942
1640	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1944	$exit->msg (undef);
1642	}	1945	}
1643	}	1946	}
1644		1947
1645	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1647		1950
1648	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
1649		1961
1650	$self->enter_link;	1962	$self->enter_link;
1651		1963
1652	(async {	1964	(async {
1653	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1966	unless (eval {
1655	prepare_random_map $exit	1967	$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		1968
1661	1;	1969	1;
1662	}) {	1970	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1975
1668	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1977	$self->leave_link;
1670	}	1978	}
…		…
1725	# get handled first	2033	# get handled first
1726	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2036
1729	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2039
1731	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1732		2041
1733	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2043	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2205	using it, it should be unique.
1897		2206
1898	=over 4	2207	=over 4
1899		2208
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	2209	=item $value = cf::db_get $family => $key
1907		2210
1908	Returns a single value from the database	2211	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		2212
1915	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1916		2214
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	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		2216
1928	=cut	2217	=cut
1929		2218
1930	our $DB;	2219	our $DB;
1931		2220
1932	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1933	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1934		2240
1935	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2245
1939	my $pid;	2246	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	}	2247	};
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	},	2248	}
1987	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2266	}
1989		2267
1990	#############################################################################	2268	#############################################################################
1991	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1992		2275
1993	sub cfg_load {	2276	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2278	or return;
1996		2279
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2285	$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};	2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2287
2005	if (exists $CFG{mlockall}) {	2288	if (exists $CFG{mlockall}) {
2006	eval {	2289	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2291	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2292	};
2010	warn $@ if $@;	2293	warn $@ if $@;
2011	}	2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
2012	}	2299	}
2013		2300
2014	sub main {	2301	sub main {
2015	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2305	(async {
2018	async { Event::one_event };	2306	Event::one_event;
		2307	})->prio (Coro::PRIO_MAX);
2019	};	2308	};
2020		2309
2021	cfg_load;	2310	cfg_load;
2022	db_load;	2311	db_init;
2023	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2024	Event::loop;	2315	Event::loop;
2025	}	2316	}
2026		2317
2027	#############################################################################	2318	#############################################################################
2028	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2029		2375
2030	sub reload() {	2376	sub reload() {
2031	# can/must only be called in main	2377	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2034	return;	2380	return;
2035	}	2381	}
2036		2382
2037	warn "reloading...";	2383	warn "reloading...";
2038		2384
2039	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2041		2391
2042	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2043	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2044		2396
2045	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2400	}
2049		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2050	# cancel all extension coros	2411	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2413	%EXT_CORO = ();
2053		2414
2054	# unload all extensions	2415	warn "removing commands";
2055	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2057	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2430	}
2059		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2060	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2439
2064	warn "removing <$k>";	2440	warn "... unloading $k";
2065	delete $INC{$k};	2441	delete $INC{$k};
2066		2442
2067	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2069		2445
…		…
2072	}	2448	}
2073		2449
2074	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2075	}	2451	}
2076		2452
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2456
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2090		2459
2091	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2461	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2094		2463
2095	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2096	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2097	require cf;	2467	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2469
2100	# load config and database again	2470	warn "loading config and database again";
2101	cf::cfg_load;	2471	cf::cfg_load;
2102	cf::db_load;
2103		2472
2104	# load extensions
2105	warn "load extensions";	2473	warn "loading extensions";
2106	cf::load_extensions;	2474	cf::load_extensions;
2107		2475
2108	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2477	_global_reattach; # objects, sockets
2110	_global_reattach;	2478	warn "reattaching attachments to maps";
2111	};	2479	reattach $_ for values %MAP;
		2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2112		2482
2113	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2114	warn $@;	2490	warn $@;
2115	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2116	exit 1;	2492	exit 1;
2117	}	2493	};
2118		2494
2119	warn "reloaded successfully";	2495	warn "reloaded";
2120	};	2496	};
2121		2497
2122	#############################################################################	2498	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2499
2167	register_command "reload" => sub {	2500	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2169		2502
2170	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2172	reload;	2514	reload;
2173	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2174	}	2518	}
2175	};	2519	};
2176		2520
2177	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2178		2524
2179	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2181	prio => 0,	2528	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2184	cb => sub {	2531	cb => sub {
		2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2185	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
		2552	$WAIT_FOR_TICK->broadcast;
		2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2188		2557
2189	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2560
2192	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2194	},	2563	},
2195	);	2564	);
2196		2565
		2566	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2198		2568	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2569	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2201	poll => 'r',	2571	poll => 'r',
2202	prio => 5,	2572	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2209	after => 0,	2574	cb => \&BDB::poll_cb,
2210	interval => 10,	2575	);
2211	cb => sub {	2576	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2577
2213	write_runtime	2578	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2612	};
2216	},	2613	}
2217	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
2218		2630
2219	END { cf::emergency_save }	2631	END { cf::emergency_save }
2220		2632
2221	1	2633	1
2222		2634

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