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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		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
52	our %PLAYER; # all users	67	our %PLAYER; # all users
53	our %MAP; # all maps	68	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
225	}	271	}
226		272
227	sub freeze_mainloop {	273	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
229		275
230	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
231	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
232	$guard	280	$guard
233	}	281	}
234		282
235	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
287	}	335	}
288	}	336	}
289		337
290	=item $coro = cf::async_ext { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
291		339
292	Like async, but this coro is automcatially being canceled when the	340	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	341	extension calling this is being unloaded.
294		342
295	=cut	343	=cut
296		344
297	sub async_ext(&) {	345	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
312		360
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	362	or return;
315		363
		364	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	369	and return;
319		370
		371	# always fsync - this file is important
320	aio_fsync $fh	372	aio_fsync $fh
321	and return;	373	and return;
322		374
323	close $fh	375	close $fh
324	or return;	376	or return;
…		…
330	}	382	}
331		383
332	=back	384	=back
333		385
334	=cut	386	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		387
456	#############################################################################	388	#############################################################################
457		389
458	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
459		391
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	518	our @CB_MAP = ();
587		519
588	my %attachment;	520	my %attachment;
589		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
590	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
592		530
593	use sort 'stable';	531	use sort 'stable';
594		532
…		…
765	# object support	703	# object support
766		704
767	sub reattach {	705	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		710
771	my $registry = $obj->registry;	711	my $registry = $obj->registry;
772		712
773	@$registry = ();	713	@$registry = ();
774		714
…		…
821	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
822		762
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	767	close $fh;
828		768
829	if (@$objs) {	769	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	775	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
837	}	777	}
838	} else {	778	} else {
839	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
845	}	785	}
846	} else {	786	} else {
847	aio_unlink $filename;	787	aio_unlink $filename;
848	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
849	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
850	}	796	}
851	}	797	}
852		798
853	sub object_freezer_as_string {	799	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
860		806
861	sub object_thawer_load {	807	sub object_thawer_load {
862	my ($filename) = @_;	808	my ($filename) = @_;
863		809
864	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
865		814
866	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
867	or return;	816	or return;
868		817
869	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
906	=cut	855	=cut
907		856
908	sub register_extcmd {	857	sub register_extcmd {
909	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
910		859
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
915	}	861	}
916		862
917	cf::player->attach (	863	cf::player->attach (
918	on_command => sub {	864	on_command => sub {
919	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
932		878
933	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
934		880
935	if (ref $msg) {	881	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	885	}
940	}	886	}
941	} else {	887	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		890
945	cf::override;	891	cf::override;
946	},	892	},
947	);	893	);
948		894
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	895	sub load_extension {
956	my ($path) = @_;	896	my ($path) = @_;
957		897
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	899	my $base = $1;
960	my $pkg = $1;	900	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
963		903
964	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
965		905
966	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
967	or die "$path: $!";	907	or die "$path: $!";
968		908
969	my $source =	909	my $source =
970	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
973	. "\n};\n1";	913	. "\n};\n1";
974		914
975	eval $source	915	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	917	: "extension disabled.\n";
978		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	919	warn $@;
980	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
981		921	exit 1;
982	# no strict 'refs';	922	}
983	# @{"$pkg\::ISA"} = ext::;	923	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	924	}
998		925
999	# remove commands	926	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	927	}
1024		928
1025	sub load_extensions {	929	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	931	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1032	}	936	}
1033	}	937	}
1034		938
1035	#############################################################################	939	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		940
1073	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1074		942
1075	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1076		944
1077	=cut	945	=cut
1078		946
1079	package cf::player;	947	package cf::player;
1080		948
		949	use Coro::AIO;
		950
1081	=head3 cf::player	951	=head3 cf::player
1082		952
1083	=over 4	953	=over 4
1084		954
1085	=item cf::player::find $login	955	=item cf::player::find $login
1086		956
1087	Returns the given player object, loading it if necessary (might block).	957	Returns the given player object, loading it if necessary (might block).
1088		958
1089	=cut	959	=cut
1090		960
		961	sub playerdir($) {
		962	cf::localdir
		963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
1091	sub path($) {	969	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	971
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	972	(playerdir $login) . "/$login.pl"
1095	}	973	}
1096		974
1097	sub find_active($) {	975	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	976	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	977	and $cf::PLAYER{$_[0]}->active
…		…
1102		980
1103	sub exists($) {	981	sub exists($) {
1104	my ($login) = @_;	982	my ($login) = @_;
1105		983
1106	$cf::PLAYER{$login}	984	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	985	or cf::sync_job { !aio_stat path $login }
1108	}	986	}
1109		987
1110	sub find($) {	988	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	989	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	990	my $login = $_[0];
1113		991
1114	my $guard = cf::lock_acquire "user_find:$login";	992	my $guard = cf::lock_acquire "user_find:$login";
1115		993
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
1117	};	999	}
1118	}	1000	}
1119		1001
1120	sub save($) {	1002	sub save($) {
1121	my ($pl) = @_;	1003	my ($pl) = @_;
1122		1004
…		…
1124		1006
1125	my $path = path $pl;	1007	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1008	my $guard = cf::lock_acquire "user_save:$path";
1127		1009
1128	return if $pl->{deny_save};	1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1013	$pl->{last_save} = $cf::RUNTIME;
1130		1014
1131	Coro::cede;
1132	$pl->save_pl ($path);	1015	$pl->save_pl ($path);
1133	Coro::cede;	1016	Coro::cede;
1134	}	1017	}
1135		1018
1136	sub new($) {	1019	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1027	$cf::PLAYER{$login} = $self;
1145		1028
1146	$self	1029	$self
1147	}	1030	}
1148		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
		1109	}
		1110
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1150		1112
1151	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1152		1114
1153	=cut	1115	=cut
…		…
1174	package cf::map;	1136	package cf::map;
1175		1137
1176	use Fcntl;	1138	use Fcntl;
1177	use Coro::AIO;	1139	use Coro::AIO;
1178		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1179	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1181		1147
1182	sub generate_random_map {	1148	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1151	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199	}	1293	}
1200		1294
1201	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1202	# all maps in C++...	1296	# all maps in C++...
1203	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1205		1299
1206	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1208	}	1302	}
1209		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1210	sub try_load_header($) {	1317	sub load_header_from($) {
1211	my ($path) = @_;	1318	my ($self, $path) = @_;
1212		1319
1213	utf8::encode $path;	1320	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1215	or return;	1325	or return;
1216		1326
1217	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1218	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1219		1373
1220	# for better error messages only, will be overwritten	1374	1
1221	$map->path ($path);
1222
1223	$map->load_header ($path)
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1375	}
1230		1376
1231	sub find;	1377	sub find;
1232	sub find {	1378	sub find {
1233	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1234		1380
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1382
1240	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1241		1384
1242	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1244		1387	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1388	or return;
1264		1389
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1390	$map->{last_save} = $cf::RUNTIME;
1277		1391
1278	Coro::cede;	1392	$map->load_header
		1393	or return;
1279		1394
1280	if ($map->should_reset) {	1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1281	$map->reset;	1398	$map->reset;
1282	undef $guard;	1399	undef $guard;
1283	$map = find $path	1400	return find $path;
1284	or return;
1285	}	1401	}
1286		1402
1287	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1288	}	1404	}
1289	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1290		1409
1291	sub load {	1410	sub load {
1292	my ($self) = @_;	1411	my ($self) = @_;
1293		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1294	my $path = $self->{path};	1415	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1296		1417
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1419
1299	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1300		1421
1301	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1302	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1427	or return;
1304		1428
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1430	if delete $self->{load_original};
1307		1431
1308	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1433	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1435	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1313	}	1437	}
1314	}	1438	}
1315		1439
1316	Coro::cede;	1440	Coro::cede;
1317		1441
1318	# now do the right thing for maps	1442	# now do the right thing for maps
1319	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1320		1444
1321	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1446	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1328	$self->set_darkness_map;	1450	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1331	$self->activate;	1454	$self->activate;
1332	}	1455	}
1333		1456
1334	Coro::cede;	1457	$self->post_load;
1335		1458
1336	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
1337	}	1493	}
1338		1494
1339	sub find_sync {	1495	sub find_sync {
1340	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1341		1497
1342	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1343	}	1499	}
1344		1500
1345	sub do_load_sync {	1501	sub do_load_sync {
1346	my ($map) = @_;	1502	my ($map) = @_;
1347		1503
1348	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1349	}	1505	}
1350		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1351	sub save {	1537	sub save {
1352	my ($self) = @_;	1538	my ($self) = @_;
1353		1539
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1541
1356	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1357		1543
1358	return unless $self->dirty;	1544	return unless $self->dirty;
1359		1545
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1548
1363	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1364		1550
1365	return if $self->{deny_save};	1551	return if $self->{deny_save};
1366		1552
…		…
1369	cf::async {	1555	cf::async {
1370	$_->contr->save for $self->players;	1556	$_->contr->save for $self->players;
1371	};	1557	};
1372		1558
1373	if ($uniq) {	1559	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1562	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1564	}
1379	}	1565	}
1380		1566
1381	sub swap_out {	1567	sub swap_out {
1382	my ($self) = @_;	1568	my ($self) = @_;
…		…
1396		1582
1397	sub reset_at {	1583	sub reset_at {
1398	my ($self) = @_;	1584	my ($self) = @_;
1399		1585
1400	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1403		1589
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1592
…		…
1411	my ($self) = @_;	1597	my ($self) = @_;
1412		1598
1413	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1414	}	1600	}
1415		1601
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1602	sub reset {
1438	my ($self) = @_;	1603	my ($self) = @_;
1439		1604
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1606
1442	return if $self->players;	1607	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1444		1609
1445	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1446		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1447	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1448		1625
1449	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1450		1627
1451	$self->unlink_save;	1628	$self->unlink_save;
1452	$self->destroy;	1629	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1456		1633
1457	sub nuke {	1634	sub nuke {
1458	my ($self) = @_;	1635	my ($self) = @_;
1459		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1463	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1464	}	1650	}
1465		1651
1466	sub customise_for {	1652	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1653
1469	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1471	}
1472		1656
1473	$map	1657	=cut
1474	}
1475		1658
1476	sub emergency_save {	1659	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1478		1662
1479	warn "enter emergency perl save\n";	1663	my @paths;
1480		1664
1481	cf::sync_job {	1665	for (@$files) {
1482	warn "begin emergency player save\n";	1666	utf8::decode $_;
1483	$_->save for values %cf::PLAYER;	1667	next if /\.pst$/;
1484	warn "end emergency player save\n";	1668	next unless /^$PATH_SEP/o;
1485		1669
1486	warn "begin emergency map save\n";	1670	push @paths, cf::map::normalise $_;
1487	$_->save for values %cf::MAP;
1488	warn "end emergency map save\n";
1489	};	1671	}
1490		1672
1491	warn "leave emergency perl save\n";	1673	\@paths
1492	}	1674	}
1493		1675
1494	package cf;	1676	package cf;
1495		1677
1496	=back	1678	=back
1497		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1498		1706
1499	=head3 cf::object::player	1707	=head3 cf::object::player
1500		1708
1501	=over 4	1709	=over 4
1502		1710
…		…
1542		1750
1543	=item $player_object->enter_link	1751	=item $player_object->enter_link
1544		1752
1545	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1546		1754
1547	The player should be reaosnably safe there for short amounts of time. You	1755	The player should be reasonably safe there for short amounts of time. You
1548	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1549		1757
		1758	Will never block.
		1759
1550	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1551		1761
1552	Moves the player out of the specila link map onto the given map. If the	1762	Moves the player out of the special C<{link}> map onto the specified
1553	map is not valid (or omitted), the player will be moved back to the	1763	map. If the map is not valid (or omitted), the player will be moved back
1554	location he/she was before the call to C<enter_link>, or, if that fails,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1555	to the emergency map position.	1765	fails, to the emergency map position.
1556		1766
1557	Might block.	1767	Might block.
1558		1768
1559	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1560		1780
1561	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1562	my ($self) = @_;	1782	my ($self) = @_;
1563		1783
1564	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1565		1785
1566	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1567		1787
1568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569	if $self->map;	1789	if $self->map;
1570		1790
1571	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1572	}	1792	}
1573		1793
1574	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1575	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1576		1796
…		…
1594	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1595	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1596	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1597		1817
1598	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1599		1820
1600	return unless $self->contr->active;	1821	return unless $self->contr->active;
1601	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1603	}	1826	}
1604		1827
1605	cf::player->attach (	1828	cf::player->attach (
1606	on_logout => sub {	1829	on_logout => sub {
…		…
1619	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1620	# should happen only on crashes	1843	# should happen only on crashes
1621	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1622	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1623	(async {	1846	(async {
1624	# we need this sleep as the login has a concurrent enter_exit running
1625	# and this sleep increases chances of the player not ending up in scorn
1626	$pl->ob->reply (undef,	1847	$pl->ob->reply (undef,
1627	"There was an internal problem at your last logout, "	1848	"There was an internal problem at your last logout, "
1628	. "the server will try to bring you to your intended destination in a second.",	1849	. "the server will try to bring you to your intended destination in a second.",
1629	cf::NDI_RED);	1850	cf::NDI_RED);
		1851	# we need this sleep as the login has a concurrent enter_exit running
		1852	# and this sleep increases chances of the player not ending up in scorn
1630	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1631	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1632	})->prio (2);	1855	})->prio (2);
1633	}	1856	}
1634	},	1857	},
…		…
1642	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1643		1866
1644	$self->enter_link;	1867	$self->enter_link;
1645		1868
1646	(async {	1869	(async {
1647	$path = new cf::path $path;	1870	my $map = eval {
1648
1649	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1650	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1651		1873	$map
1652	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1653	# if $map;
1654
1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656		1876
1657	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1658	})->prio (1);	1878	})->prio (1);
1659	}	1879	}
1660		1880
…		…
1664		1884
1665	sub parse_random_map_params {	1885	sub parse_random_map_params {
1666	my ($spec) = @_;	1886	my ($spec) = @_;
1667		1887
1668	my $rmp = { # defaults	1888	my $rmp = { # defaults
1669	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1670	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1671	};	1893	};
1672		1894
1673	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1674	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1675		1897
…		…
1679	$rmp	1901	$rmp
1680	}	1902	}
1681		1903
1682	sub prepare_random_map {	1904	sub prepare_random_map {
1683	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1684		1908
1685	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1686	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1687	# that depends on the exit object	1911	# that depends on the exit object
1688		1912
1689	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1690		1914
1691	if ($exit->map) {	1915	if ($exit->map) {
1692	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1693	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1694	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1695	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1696	}	1920	}
1697		1921
1698	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1699		1923
1700	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1701	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702		1927
1703	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1705		1932
1706	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1707	$exit->msg (undef);	1934	$exit->msg (undef);
1708	}	1935	}
1709	}	1936	}
1710		1937
1711	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1712	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1713		1940
1714	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
1715		1951
1716	$self->enter_link;	1952	$self->enter_link;
1717		1953
1718	(async {	1954	(async {
1719	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1720	unless (eval {	1956	unless (eval {
1721	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1722	if $exit->slaying eq "/!";
1723
1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726		1958
1727	1;	1959	1;
1728	}) {	1960	}) {
1729	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1730	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1731	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1732	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1733		1965
1734	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1735	$self->leave_link;	1967	$self->leave_link;
1736	}	1968	}
…		…
1791	# get handled first	2023	# get handled first
1792	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1793	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1794		2026
1795	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796		2029
1797	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1798		2031
1799	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1800	if (@$queue) {	2033	if (@$queue) {
…		…
1961	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1962	using it, it should be unique.	2195	using it, it should be unique.
1963		2196
1964	=over 4	2197	=over 4
1965		2198
1966	=item $hashref = cf::db_get $family
1967
1968	Return a hashref for use by the extension C<$family>, which can be
1969	modified. After modifications, you have to call C<cf::db_dirty> or
1970	C<cf::db_sync>.
1971
1972	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1973		2200
1974	Returns a single value from the database	2201	Returns a single value from the database.
1975
1976	=item cf::db_put $family => $hashref
1977
1978	Stores the given family hashref into the database. Updates are delayed, if
1979	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980		2202
1981	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1982		2204
1983	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1984	want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986	=item cf::db_dirty
1987
1988	Marks the database as dirty, to be updated at a later time.
1989
1990	=item cf::db_sync
1991
1992	Immediately write the database to disk I<if it is dirty>.
1993		2206
1994	=cut	2207	=cut
1995		2208
1996	our $DB;	2209	our $DB;
1997		2210
1998	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1999	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
2000		2230
2001	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
2002	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
2003	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
2004		2235
2005	my $pid;	2236	unlink $path;
2006
2007	sub db_save() {
2008	waitpid $pid, 0 if $pid;
2009	if (0 == ($pid = fork)) {
2010	$DB->{_meta}{version} = 1;
2011	Storable::nstore $DB, "$path~";
2012	rename "$path~", $path;
2013	cf::_exit 0 if defined $pid;
2014	}	2237	};
2015	}
2016
2017	my $dirty;
2018
2019	sub db_sync() {
2020	db_save if $dirty;
2021	undef $dirty;
2022	}
2023
2024	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025	db_sync;
2026	});
2027
2028	sub db_dirty() {
2029	$dirty = 1;
2030	$idle->start;
2031	}
2032
2033	sub db_get($;$) {
2034	@_ >= 2
2035	? $DB->{$_[0]}{$_[1]}
2036	: ($DB->{$_[0]} ||= { })
2037	}
2038
2039	sub db_put($$;$) {
2040	if (@_ >= 3) {
2041	$DB->{$_[0]}{$_[1]} = $_[2];
2042	} else {
2043	$DB->{$_[0]} = $_[1];
2044	}
2045	db_dirty;
2046	}
2047
2048	cf::global->attach (
2049	prio => 10000,
2050	on_cleanup => sub {
2051	db_sync;
2052	},	2238	}
2053	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2054	}	2256	}
2055		2257
2056	#############################################################################	2258	#############################################################################
2057	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
2058		2265
2059	sub cfg_load {	2266	sub cfg_load {
2060	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
2061	or return;	2268	or return;
2062		2269
…		…
2068	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070		2277
2071	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2072	eval {	2279	eval {
2073	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2075	};	2282	};
2076	warn $@ if $@;	2283	warn $@ if $@;
2077	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2078	}	2289	}
2079		2290
2080	sub main {	2291	sub main {
2081	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2082	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2083	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2295	(async {
2084	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2085	};	2298	};
2086		2299
2087	cfg_load;	2300	cfg_load;
2088	db_load;	2301	db_init;
2089	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2090	Event::loop;	2305	Event::loop;
2091	}	2306	}
2092		2307
2093	#############################################################################	2308	#############################################################################
2094	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2095		2365
2096	sub reload() {	2366	sub reload() {
2097	# can/must only be called in main	2367	# can/must only be called in main
2098	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2099	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2100	return;	2370	return;
2101	}	2371	}
2102		2372
2103	warn "reloading...";	2373	warn "reloading...";
2104		2374
2105	my $guard = freeze_mainloop;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
2106	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
2107		2381
2108	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2109	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2110		2386
2111	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2112	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2113	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2114	}	2390	}
2115		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2116	# cancel all extension coros	2401	warn "cancelling all extension coros";
2117	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2118	%EXT_CORO = ();	2403	%EXT_CORO = ();
2119		2404
2120	# unload all extensions	2405	warn "removing commands";
2121	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2122	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2123	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2124	}	2420	}
2125		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2126	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2127	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2128	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129		2429
2130	warn "removing <$k>";	2430	warn "... unloading $k";
2131	delete $INC{$k};	2431	delete $INC{$k};
2132		2432
2133	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2134	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2135		2435
…		…
2138	}	2438	}
2139		2439
2140	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2141	}	2441	}
2142		2442
2143	# sync database to disk
2144	cf::db_sync;
2145	IO::AIO::flush;
2146
2147	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2148	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2149	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150		2446
2151	# remove register_script_function callbacks
2152	# TODO
2153
2154	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2155	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2156		2449
2157	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2158	# and global variables created in xs	2451	# and global variables created in xs
2159	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2160		2453
2161	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2162	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2163	require cf;	2457	require cf;
2164	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165		2459
2166	# load config and database again	2460	warn "loading config and database again";
2167	cf::cfg_load;	2461	cf::cfg_load;
2168	cf::db_load;
2169		2462
2170	# load extensions
2171	warn "load extensions";	2463	warn "loading extensions";
2172	cf::load_extensions;	2464	cf::load_extensions;
2173		2465
2174	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2175	warn "reattach";
2176	_global_reattach;	2467	_global_reattach;
		2468	warn "reattaching attachments to maps";
2177	reattach $_ for values %MAP;	2469	reattach $_ for values %MAP;
2178	};
2179		2470
2180	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2181	warn $@;	2478	warn $@;
2182	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2183	exit 1;	2480	exit 1;
2184	}	2481	};
2185		2482
2186	warn "reloaded successfully";	2483	warn "reloaded";
2187	};	2484	};
2188		2485
2189	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
2190
2191	unless ($LINK_MAP) {
2192	$LINK_MAP = cf::map::new;
2193
2194	$LINK_MAP->width (41);
2195	$LINK_MAP->height (41);
2196	$LINK_MAP->alloc;
2197	$LINK_MAP->path ("{link}");
2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201	# dirty hack because... archetypes are not yet loaded
2202	Event->timer (
2203	after => 10,
2204	cb => sub {
2205	$_[0]->w->cancel;
2206
2207	# provide some exits "home"
2208	my $exit = cf::object::new "exit";
2209
2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214	$LINK_MAP->insert ($exit->clone, 19, 19);
2215	$LINK_MAP->insert ($exit->clone, 19, 20);
2216	$LINK_MAP->insert ($exit->clone, 19, 21);
2217	$LINK_MAP->insert ($exit->clone, 20, 19);
2218	$LINK_MAP->insert ($exit->clone, 20, 21);
2219	$LINK_MAP->insert ($exit->clone, 21, 19);
2220	$LINK_MAP->insert ($exit->clone, 21, 20);
2221	$LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223	$exit->destroy;
2224	});
2225
2226	$LINK_MAP->{deny_save} = 1;
2227	$LINK_MAP->{deny_reset} = 1;
2228
2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230	}
2231
2232	register "<global>", __PACKAGE__;
2233		2487
2234	register_command "reload" => sub {	2488	register_command "reload" => sub {
2235	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2236		2490
2237	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2238	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2239	reload;	2502	reload;
2240	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2241	}	2506	}
2242	};	2507	};
2243		2508
2244	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2245		2512
2246	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2247	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2248	prio => 0,	2516	prio => 0,
2249	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2250	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2251	cb => sub {	2519	cb => sub {
		2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2252	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2253	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2254	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2255		2546
2256	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258		2549
2259	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2260	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2261	},	2552	},
2262	);	2553	);
2263		2554
		2555	{
2264	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2265		2557	$BDB_POLL_WATCHER = Event->io (
2266	Event->io (	2558	reentrant => 0,
2267	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2268	poll => 'r',	2560	poll => 'r',
2269	prio => 5,	2561	prio => 0,
2270	data => WF_AUTOCANCEL,
2271	cb => \&IO::AIO::poll_cb,
2272	);
2273
2274	Event->timer (
2275	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2276	after => 0,	2563	cb => \&BDB::poll_cb,
2277	interval => 10,	2564	);
2278	cb => sub {	2565	BDB::min_parallel 8;
2279	(Coro::unblock_sub {	2566
2280	write_runtime	2567	BDB::set_sync_prepare {
2281	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2282	})->();	2601	};
2283	},	2602	}
2284	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
2285		2619
2286	END { cf::emergency_save }	2620	END { cf::emergency_save }
2287		2621
2288	1	2622	1
2289		2623

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