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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 1.211 by root, Tue Feb 13 16:23:32 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 $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		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	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
231	$guard	282	$guard
232	}	283	}
233		284
234	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	324	warn $@ if $@;
274	undef $busy;	325	undef $busy;
275	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
276		327
277	while ($busy) {	328	while ($busy) {
278	unless (Coro::cede) {	329	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	}	330	}
283		331
284	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
285	} else {	333	} else {
286	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	337	}
290	}	338	}
291		339
292	=item $coro = cf::async_ext { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
293		341
294	Like async, but this coro is automcatially being canceled when the	342	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	343	extension calling this is being unloaded.
296		344
297	=cut	345	=cut
298		346
299	sub async_ext(&) {	347	sub async_ext(&) {
…		…
308		356
309	$coro	357	$coro
310	}	358	}
311		359
312	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
313	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
314		364
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	366	or return;
317		367
		368	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	373	and return;
321		374
		375	# always fsync - this file is important
322	aio_fsync $fh	376	aio_fsync $fh
323	and return;	377	and return;
324		378
325	close $fh	379	close $fh
326	or return;	380	or return;
…		…
332	}	386	}
333		387
334	=back	388	=back
335		389
336	=cut	390	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($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		391
458	#############################################################################	392	#############################################################################
459		393
460	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
461		395
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	522	our @CB_MAP = ();
589		523
590	my %attachment;	524	my %attachment;
591		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
592	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
594		534
595	use sort 'stable';	535	use sort 'stable';
596		536
…		…
767	# object support	707	# object support
768		708
769	sub reattach {	709	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		714
773	my $registry = $obj->registry;	715	my $registry = $obj->registry;
774		716
775	@$registry = ();	717	@$registry = ();
776		718
…		…
823	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
824		766
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	771	close $fh;
830		772
831	if (@$objs) {	773	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	779	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
839	}	781	}
840	} else {	782	} else {
841	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
847	}	789	}
848	} else {	790	} else {
849	aio_unlink $filename;	791	aio_unlink $filename;
850	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
851	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
852	}	800	}
853	}	801	}
854		802
855	sub object_freezer_as_string {	803	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
862		810
863	sub object_thawer_load {	811	sub object_thawer_load {
864	my ($filename) = @_;	812	my ($filename) = @_;
865		813
866	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
867		818
868	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
869	or return;	820	or return;
870		821
871	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
908	=cut	859	=cut
909		860
910	sub register_extcmd {	861	sub register_extcmd {
911	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
912		863
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
917	}	865	}
918		866
919	cf::player->attach (	867	cf::player->attach (
920	on_command => sub {	868	on_command => sub {
921	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
934		882
935	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
936		884
937	if (ref $msg) {	885	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	889	}
942	}	890	}
943	} else {	891	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		894
947	cf::override;	895	cf::override;
948	},	896	},
949	);	897	);
950		898
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	899	sub load_extension {
958	my ($path) = @_;	900	my ($path) = @_;
959		901
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	903	my $base = $1;
962	my $pkg = $1;	904	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
965		907
966	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
967		909
968	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
969	or die "$path: $!";	911	or die "$path: $!";
970		912
971	my $source =	913	my $source =
972	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
975	. "\n};\n1";	917	. "\n};\n1";
976		918
977	eval $source	919	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	921	: "extension disabled.\n";
980		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	923	warn $@;
982	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
983		925	exit 1;
984	# no strict 'refs';	926	}
985	# @{"$pkg\::ISA"} = ext::;	927	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	# }	928	}
1000		929
1001	# remove commands	930	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	}	931	}
1026		932
1027	sub load_extensions {	933	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	935	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1034	}	940	}
1035	}	941	}
1036		942
1037	#############################################################################	943	#############################################################################
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		944
1075	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1076		946
1077	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1078		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1079	=head3 cf::player	955	=head3 cf::player
1080		956
1081	=over 4	957	=over 4
1082		958
1083	=item cf::player::exists $login	959	=item cf::player::find $login
1084		960
1085	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1086		962
1087	=cut	963	=cut
1088		964
1089	sub cf::player::exists($) {	965	sub playerdir($) {
1090	cf::player::find $_[0]	966	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1092	}	1113	}
1093		1114
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1116
1096	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1097		1118
1098	=cut	1119	=cut
1099		1120
1100	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1102		1123
1103	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1104		1125
1105	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1106	}	1127	}
		1128
		1129	package cf;
1107		1130
1108	=back	1131	=back
1109		1132
1110		1133
1111	=head3 cf::map	1134	=head3 cf::map
…		…
1117	package cf::map;	1140	package cf::map;
1118		1141
1119	use Fcntl;	1142	use Fcntl;
1120	use Coro::AIO;	1143	use Coro::AIO;
1121		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1122	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1124		1151
1125	sub generate_random_map {	1152	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1155	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1297	}
1143		1298
1144	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1145	# all maps in C++...	1300	# all maps in C++...
1146	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1148		1303
1149	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1151	}	1306	}
1152		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1153	sub try_load_header($) {	1321	sub load_header_from($) {
1154	my ($path) = @_;	1322	my ($self, $path) = @_;
1155		1323
1156	utf8::encode $path;	1324	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1158	or return;	1329	or return;
1159		1330
1160	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1161	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1162		1377
1163	# for better error messages only, will be overwritten	1378	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1379	}
1173		1380
1174	sub find;	1381	sub find;
1175	sub find {	1382	sub find {
1176	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1177		1384
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1386
1183	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1184		1388
1185	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1187		1391	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;	1392	or return;
1207		1393
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;	1394	$map->{last_save} = $cf::RUNTIME;
1220		1395
1221	Coro::cede;	1396	$map->load_header
		1397	or return;
1222		1398
1223	if ($map->should_reset) {	1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1402	$map->reset;
1225	undef $guard;	1403	undef $guard;
1226	$map = find $path	1404	return find $path;
1227	or return;
1228	}	1405	}
1229		1406
1230	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1231	}	1408	}
1232	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1233		1413
1234	sub load {	1414	sub load {
1235	my ($self) = @_;	1415	my ($self) = @_;
1236		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1237	my $path = $self->{path};	1419	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1239		1421
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1423
1242	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1243		1425
1244	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1245	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1431	or return;
1247		1432
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1434	if delete $self->{load_original};
1250		1435
1251	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1437	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1439	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1256	}	1441	}
1257	}	1442	}
1258		1443
1259	Coro::cede;	1444	Coro::cede;
1260		1445
1261	# now do the right thing for maps	1446	# now do the right thing for maps
1262	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1263		1448
1264	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1450	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1271	$self->set_darkness_map;	1454	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1274	$self->activate;	1458	$self->activate;
1275	}	1459	}
1276		1460
1277	Coro::cede;	1461	$self->post_load;
1278		1462
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
1280	}	1497	}
1281		1498
1282	sub find_sync {	1499	sub find_sync {
1283	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1284		1501
1285	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1286	}	1503	}
1287		1504
1288	sub do_load_sync {	1505	sub do_load_sync {
1289	my ($map) = @_;	1506	my ($map) = @_;
1290		1507
1291	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1292	}	1509	}
1293		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
		1539	}
		1540
1294	sub save {	1541	sub save {
1295	my ($self) = @_;	1542	my ($self) = @_;
1296		1543
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1545
1299	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1300		1547
1301	return unless $self->dirty;	1548	return unless $self->dirty;
1302		1549
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1552
1306	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1307		1554
1308	return if $self->{deny_save};	1555	return if $self->{deny_save};
1309		1556
1310	local $self->{last_access} = $self->last_access;#d#	1557	local $self->{last_access} = $self->last_access;#d#
1311		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1312	if ($uniq) {	1563	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1566	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1568	}
1318	}	1569	}
1319		1570
1320	sub swap_out {	1571	sub swap_out {
1321	my ($self) = @_;	1572	my ($self) = @_;
…		…
1335		1586
1336	sub reset_at {	1587	sub reset_at {
1337	my ($self) = @_;	1588	my ($self) = @_;
1338		1589
1339	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1342		1593
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1596
…		…
1350	my ($self) = @_;	1601	my ($self) = @_;
1351		1602
1352	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1353	}	1604	}
1354		1605
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 {	1606	sub reset {
1377	my ($self) = @_;	1607	my ($self) = @_;
1378		1608
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1610
1381	return if $self->players;	1611	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1383		1613
1384	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1385		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1386	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1387		1629
1388	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1389		1631
1390	$self->unlink_save;	1632	$self->unlink_save;
1391	$self->destroy;	1633	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1395		1637
1396	sub nuke {	1638	sub nuke {
1397	my ($self) = @_;	1639	my ($self) = @_;
1398		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1402	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1403	}	1654	}
1404		1655
1405	sub customise_for {	1656	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1657
1408	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1410	}
1411		1660
1412	$map	1661	=cut
1413	}
1414		1662
1415	sub emergency_save {	1663	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1417		1666
1418	warn "enter emergency map save\n";	1667	my @paths;
1419		1668
1420	cf::sync_job {	1669	for (@$files) {
1421	warn "begin emergency map save\n";	1670	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1423	};	1675	}
1424		1676
1425	warn "end emergency map save\n";	1677	\@paths
1426	}	1678	}
1427		1679
1428	package cf;	1680	package cf;
1429		1681
1430	=back	1682	=back
1431		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1432		1710
1433	=head3 cf::object::player	1711	=head3 cf::object::player
1434		1712
1435	=over 4	1713	=over 4
1436		1714
…		…
1476		1754
1477	=item $player_object->enter_link	1755	=item $player_object->enter_link
1478		1756
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1758
1481	The player should be reaosnably safe there for short amounts of time. You	1759	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.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1483		1761
		1762	Will never block.
		1763
1484	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1485		1765
1486	Moves the player out of the specila link map onto the given map. If the	1766	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	1767	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,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1769	fails, to the emergency map position.
1490		1770
1491	Might block.	1771	Might block.
1492		1772
1493	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1494		1784
1495	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1786	my ($self) = @_;
1497		1787
1498	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1499		1789
1500	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1791
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1793	if $self->map;
1504		1794
1505	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1796	}
1507		1797
1508	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1510		1800
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1531		1821
1532	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1533		1824
		1825	return unless $self->contr->active;
1534	$self->activate_recursive;	1826	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1536	}	1828	}
1537		1829
1538	cf::player->attach (	1830	cf::player->attach (
…		…
1550	my ($pl) = @_;	1842	my ($pl) = @_;
1551		1843
1552	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1845	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1557	(async {	1848	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running	1849	# 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	1850	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1851	$pl->ob->reply (undef,
…		…
1576	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1577		1868
1578	$self->enter_link;	1869	$self->enter_link;
1579		1870
1580	(async {	1871	(async {
1581	$path = new cf::path $path;	1872	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1585		1875	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1878
1591	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1880	})->prio (1);
1593	}	1881	}
1594		1882
…		…
1598		1886
1599	sub parse_random_map_params {	1887	sub parse_random_map_params {
1600	my ($spec) = @_;	1888	my ($spec) = @_;
1601		1889
1602	my $rmp = { # defaults	1890	my $rmp = { # defaults
1603	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1605	};	1895	};
1606		1896
1607	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1609		1899
…		…
1613	$rmp	1903	$rmp
1614	}	1904	}
1615		1905
1616	sub prepare_random_map {	1906	sub prepare_random_map {
1617	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1910
1619	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1913	# that depends on the exit object
1622		1914
1623	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1624		1916
1625	if ($exit->map) {	1917	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1630	}	1922	}
1631		1923
1632	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1633		1925
1634	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1929
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1639		1934
1640	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1936	$exit->msg (undef);
1642	}	1937	}
1643	}	1938	}
1644		1939
1645	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1647		1942
1648	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1649		1953
1650	$self->enter_link;	1954	$self->enter_link;
1651		1955
1652	(async {	1956	(async {
1653	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1958	unless (eval {
1655	prepare_random_map $exit	1959	$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		1960
1661	1;	1961	1;
1662	}) {	1962	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1967
1668	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1969	$self->leave_link;
1670	}	1970	}
…		…
1725	# get handled first	2025	# get handled first
1726	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2028
1729	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2031
1731	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1732		2033
1733	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2035	if (@$queue) {
…		…
1895	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2197	using it, it should be unique.
1897		2198
1898	=over 4	2199	=over 4
1899		2200
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	2201	=item $value = cf::db_get $family => $key
1907		2202
1908	Returns a single value from the database	2203	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		2204
1915	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1916		2206
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	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		2208
1928	=cut	2209	=cut
1929		2210
1930	our $DB;	2211	our $DB;
1931		2212
1932	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1933	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1934		2232
1935	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2237
1939	my $pid;	2238	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	}	2239	};
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	},	2240	}
1987	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	}	2258	}
1989		2259
1990	#############################################################################	2260	#############################################################################
1991	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1992		2267
1993	sub cfg_load {	2268	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2270	or return;
1996		2271
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2277	$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};	2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2279
2005	if (exists $CFG{mlockall}) {	2280	if (exists $CFG{mlockall}) {
2006	eval {	2281	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2283	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2284	};
2010	warn $@ if $@;	2285	warn $@ if $@;
2011	}	2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
2012	}	2291	}
2013		2292
2014	sub main {	2293	sub main {
2015	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2297	(async {
2018	async { Event::one_event };	2298	Event::one_event;
		2299	})->prio (Coro::PRIO_MAX);
2019	};	2300	};
2020		2301
2021	cfg_load;	2302	cfg_load;
2022	db_load;	2303	db_init;
2023	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2024	Event::loop;	2307	Event::loop;
2025	}	2308	}
2026		2309
2027	#############################################################################	2310	#############################################################################
2028	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2029		2367
2030	sub reload() {	2368	sub reload() {
2031	# can/must only be called in main	2369	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2034	return;	2372	return;
2035	}	2373	}
2036		2374
2037	warn "reloading...";	2375	warn "reloading...";
2038		2376
2039	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2040	cf::emergency_save;	2380	cf::emergency_save;
2041		2381
2042	eval {	2382	eval {
2043	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2044		2384
2045	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2388	}
2049		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2050	# cancel all extension coros	2402	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2404	%EXT_CORO = ();
2053		2405
2054	# unload all extensions	2406	warn "removing commands";
2055	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2057	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2421	}
2059		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2060	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2430
2064	warn "removing <$k>";	2431	warn "... unloading $k";
2065	delete $INC{$k};	2432	delete $INC{$k};
2066		2433
2067	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2069		2436
…		…
2072	}	2439	}
2073		2440
2074	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2075	}	2442	}
2076		2443
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2447
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2090		2450
2091	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2452	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2094		2454
2095	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2096	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2097	require cf;	2458	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2460
2100	# load config and database again	2461	warn "loading config and database again";
2101	cf::cfg_load;	2462	cf::cfg_load;
2102	cf::db_load;
2103		2463
2104	# load extensions
2105	warn "load extensions";	2464	warn "loading extensions";
2106	cf::load_extensions;	2465	cf::load_extensions;
2107		2466
2108	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2111	};	2478	};
2112		2479
2113	if ($@) {	2480	if ($@) {
2114	warn $@;	2481	warn $@;
2115	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2116	exit 1;	2483	exit 1;
2117	}	2484	}
2118		2485
2119	warn "reloaded successfully";	2486	warn "reloaded";
2120	};	2487	};
2121		2488
2122	#############################################################################	2489	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2490
2167	register_command "reload" => sub {	2491	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2169		2493
2170	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2172	reload;	2505	reload;
2173	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2174	}	2509	}
2175	};	2510	};
2176		2511
2177	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2178		2515
2179	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2181	prio => 0,	2519	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2184	cb => sub {	2522	cb => sub {
		2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2185	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2188		2543
2189	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2546
2192	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2194	},	2549	},
2195	);	2550	);
2196		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2197	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2198		2607	$AIO_POLL_WATCHER = Event->io (
2199	Event->io (	2608	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2201	poll => 'r',	2610	poll => 'r',
2202	prio => 5,	2611	prio => 6,
2203	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2205	);	2614	);
		2615	}
2206		2616
2207	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2208	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2209	after => 0,	2620	after => 1,
2210	interval => 10,	2621	interval => 10,
2211	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2212	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2213	write_runtime	2624	write_runtime
2214	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2215	})->();
2216	},	2626	},
2217	);	2627	);
2218		2628
2219	END { cf::emergency_save }	2629	END { cf::emergency_save }
2220		2630

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