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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 1.213 by root, Tue Feb 13 20:01:04 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(&) {
…		…
313	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
314		362
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	364	or return;
317		365
		366	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	371	and return;
321		372
		373	# always fsync - this file is important
322	aio_fsync $fh	374	aio_fsync $fh
323	and return;	375	and return;
324		376
325	close $fh	377	close $fh
326	or return;	378	or return;
…		…
332	}	384	}
333		385
334	=back	386	=back
335		387
336	=cut	388	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		389
458	#############################################################################	390	#############################################################################
459		391
460	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
461		393
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	520	our @CB_MAP = ();
589		521
590	my %attachment;	522	my %attachment;
591		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
592	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
594		532
595	use sort 'stable';	533	use sort 'stable';
596		534
…		…
767	# object support	705	# object support
768		706
769	sub reattach {	707	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		712
773	my $registry = $obj->registry;	713	my $registry = $obj->registry;
774		714
775	@$registry = ();	715	@$registry = ();
776		716
…		…
823	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
824		764
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	769	close $fh;
830		770
831	if (@$objs) {	771	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	777	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
839	}	779	}
840	} else {	780	} else {
841	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
847	}	787	}
848	} else {	788	} else {
849	aio_unlink $filename;	789	aio_unlink $filename;
850	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
851	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
852	}	798	}
853	}	799	}
854		800
855	sub object_freezer_as_string {	801	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
862		808
863	sub object_thawer_load {	809	sub object_thawer_load {
864	my ($filename) = @_;	810	my ($filename) = @_;
865		811
866	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
867		816
868	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
869	or return;	818	or return;
870		819
871	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
908	=cut	857	=cut
909		858
910	sub register_extcmd {	859	sub register_extcmd {
911	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
912		861
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
917	}	863	}
918		864
919	cf::player->attach (	865	cf::player->attach (
920	on_command => sub {	866	on_command => sub {
921	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
934		880
935	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
936		882
937	if (ref $msg) {	883	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	887	}
942	}	888	}
943	} else {	889	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		892
947	cf::override;	893	cf::override;
948	},	894	},
949	);	895	);
950		896
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	897	sub load_extension {
958	my ($path) = @_;	898	my ($path) = @_;
959		899
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	901	my $base = $1;
962	my $pkg = $1;	902	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
965		905
966	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
967		907
968	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
969	or die "$path: $!";	909	or die "$path: $!";
970		910
971	my $source =	911	my $source =
972	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
975	. "\n};\n1";	915	. "\n};\n1";
976		916
977	eval $source	917	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	919	: "extension disabled.\n";
980		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	921	warn $@;
982	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
983		923	exit 1;
984	# no strict 'refs';	924	}
985	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
1000		927
1001	# remove commands	928	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	}	929	}
1026		930
1027	sub load_extensions {	931	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	933	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1034	}	938	}
1035	}	939	}
1036		940
1037	#############################################################################	941	#############################################################################
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		942
1075	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1076		944
1077	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1078		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1079	=head3 cf::player	953	=head3 cf::player
1080		954
1081	=over 4	955	=over 4
1082		956
1083	=item cf::player::exists $login	957	=item cf::player::find $login
1084		958
1085	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1086		960
1087	=cut	961	=cut
1088		962
1089	sub cf::player::exists($) {	963	sub playerdir($) {
1090	cf::player::find $_[0]	964	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1092	}	1111	}
1093		1112
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1114
1096	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1097		1116
1098	=cut	1117	=cut
1099		1118
1100	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1102		1121
1103	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1104		1123
1105	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1106	}	1125	}
		1126
		1127	package cf;
1107		1128
1108	=back	1129	=back
1109		1130
1110		1131
1111	=head3 cf::map	1132	=head3 cf::map
…		…
1117	package cf::map;	1138	package cf::map;
1118		1139
1119	use Fcntl;	1140	use Fcntl;
1120	use Coro::AIO;	1141	use Coro::AIO;
1121		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1122	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1124		1149
1125	sub generate_random_map {	1150	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1153	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1295	}
1143		1296
1144	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1145	# all maps in C++...	1298	# all maps in C++...
1146	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1148		1301
1149	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1151	}	1304	}
1152		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1153	sub try_load_header($) {	1319	sub load_header_from($) {
1154	my ($path) = @_;	1320	my ($self, $path) = @_;
1155		1321
1156	utf8::encode $path;	1322	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1158	or return;	1327	or return;
1159		1328
1160	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1161	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1162		1375
1163	# for better error messages only, will be overwritten	1376	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1377	}
1173		1378
1174	sub find;	1379	sub find;
1175	sub find {	1380	sub find {
1176	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1177		1382
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1384
1183	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1184		1386
1185	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1187		1389	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;	1390	or return;
1207		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1220		1393
1221	Coro::cede;	1394	$map->load_header
		1395	or return;
1222		1396
1223	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1400	$map->reset;
1225	undef $guard;	1401	undef $guard;
1226	$map = find $path	1402	return find $path;
1227	or return;
1228	}	1403	}
1229		1404
1230	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1231	}	1406	}
1232	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1233		1411
1234	sub load {	1412	sub load {
1235	my ($self) = @_;	1413	my ($self) = @_;
1236		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1237	my $path = $self->{path};	1417	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1239		1419
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1421
1242	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1243		1423
1244	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1245	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1429	or return;
1247		1430
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1432	if delete $self->{load_original};
1250		1433
1251	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1435	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1437	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1256	}	1439	}
1257	}	1440	}
1258		1441
1259	Coro::cede;	1442	Coro::cede;
1260		1443
1261	# now do the right thing for maps	1444	# now do the right thing for maps
1262	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1263		1446
1264	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1448	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1271	$self->set_darkness_map;	1452	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1274	$self->activate;	1456	$self->activate;
1275	}	1457	}
1276		1458
1277	Coro::cede;	1459	$self->post_load;
1278		1460
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1280	}	1495	}
1281		1496
1282	sub find_sync {	1497	sub find_sync {
1283	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1284		1499
1285	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1286	}	1501	}
1287		1502
1288	sub do_load_sync {	1503	sub do_load_sync {
1289	my ($map) = @_;	1504	my ($map) = @_;
1290		1505
1291	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1292	}	1507	}
1293		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1294	sub save {	1539	sub save {
1295	my ($self) = @_;	1540	my ($self) = @_;
1296		1541
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1543
1299	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1300		1545
1301	return unless $self->dirty;	1546	return unless $self->dirty;
1302		1547
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1550
1306	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1307		1552
1308	return if $self->{deny_save};	1553	return if $self->{deny_save};
1309		1554
1310	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1311		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1312	if ($uniq) {	1561	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1564	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1566	}
1318	}	1567	}
1319		1568
1320	sub swap_out {	1569	sub swap_out {
1321	my ($self) = @_;	1570	my ($self) = @_;
…		…
1335		1584
1336	sub reset_at {	1585	sub reset_at {
1337	my ($self) = @_;	1586	my ($self) = @_;
1338		1587
1339	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1342		1591
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1594
…		…
1350	my ($self) = @_;	1599	my ($self) = @_;
1351		1600
1352	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1353	}	1602	}
1354		1603
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 {	1604	sub reset {
1377	my ($self) = @_;	1605	my ($self) = @_;
1378		1606
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1608
1381	return if $self->players;	1609	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1383		1611
1384	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1385		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1386	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1387		1627
1388	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1389		1629
1390	$self->unlink_save;	1630	$self->unlink_save;
1391	$self->destroy;	1631	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1395		1635
1396	sub nuke {	1636	sub nuke {
1397	my ($self) = @_;	1637	my ($self) = @_;
1398		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1402	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1403	}	1652	}
1404		1653
1405	sub customise_for {	1654	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1655
1408	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1410	}
1411		1658
1412	$map	1659	=cut
1413	}
1414		1660
1415	sub emergency_save {	1661	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1417		1664
1418	warn "enter emergency map save\n";	1665	my @paths;
1419		1666
1420	cf::sync_job {	1667	for (@$files) {
1421	warn "begin emergency map save\n";	1668	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1423	};	1673	}
1424		1674
1425	warn "end emergency map save\n";	1675	\@paths
1426	}	1676	}
1427		1677
1428	package cf;	1678	package cf;
1429		1679
1430	=back	1680	=back
1431		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1432		1708
1433	=head3 cf::object::player	1709	=head3 cf::object::player
1434		1710
1435	=over 4	1711	=over 4
1436		1712
…		…
1476		1752
1477	=item $player_object->enter_link	1753	=item $player_object->enter_link
1478		1754
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1756
1481	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1483		1759
		1760	Will never block.
		1761
1484	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1485		1763
1486	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1767	fails, to the emergency map position.
1490		1768
1491	Might block.	1769	Might block.
1492		1770
1493	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1494		1782
1495	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1784	my ($self) = @_;
1497		1785
1498	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1499		1787
1500	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1789
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1791	if $self->map;
1504		1792
1505	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1794	}
1507		1795
1508	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1510		1798
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1531		1819
1532	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1533		1822
		1823	return unless $self->contr->active;
1534	$self->activate_recursive;	1824	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1536	}	1826	}
1537		1827
1538	cf::player->attach (	1828	cf::player->attach (
…		…
1550	my ($pl) = @_;	1840	my ($pl) = @_;
1551		1841
1552	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1843	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1557	(async {	1846	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running	1847	# 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	1848	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
…		…
1576	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1577		1866
1578	$self->enter_link;	1867	$self->enter_link;
1579		1868
1580	(async {	1869	(async {
1581	$path = new cf::path $path;	1870	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1585		1873	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1587	# if $map;
1588
1589	$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);
1590		1876
1591	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1878	})->prio (1);
1593	}	1879	}
1594		1880
…		…
1598		1884
1599	sub parse_random_map_params {	1885	sub parse_random_map_params {
1600	my ($spec) = @_;	1886	my ($spec) = @_;
1601		1887
1602	my $rmp = { # defaults	1888	my $rmp = { # defaults
1603	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1605	};	1893	};
1606		1894
1607	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1609		1897
…		…
1613	$rmp	1901	$rmp
1614	}	1902	}
1615		1903
1616	sub prepare_random_map {	1904	sub prepare_random_map {
1617	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1908
1619	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1911	# that depends on the exit object
1622		1912
1623	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1624		1914
1625	if ($exit->map) {	1915	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1630	}	1920	}
1631		1921
1632	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1633		1923
1634	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1927
1637	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) {
1638	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;
1639		1932
1640	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1934	$exit->msg (undef);
1642	}	1935	}
1643	}	1936	}
1644		1937
1645	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1647		1940
1648	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;
1649		1951
1650	$self->enter_link;	1952	$self->enter_link;
1651		1953
1652	(async {	1954	(async {
1653	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1956	unless (eval {
1655	prepare_random_map $exit	1957	$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		1958
1661	1;	1959	1;
1662	}) {	1960	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "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. "
1665	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1965
1668	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1967	$self->leave_link;
1670	}	1968	}
…		…
1725	# get handled first	2023	# get handled first
1726	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1727	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
1728		2026
1729	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2029
1731	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1732		2031
1733	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2033	if (@$queue) {
…		…
1895	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
1896	using it, it should be unique.	2195	using it, it should be unique.
1897		2196
1898	=over 4	2197	=over 4
1899		2198
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	2199	=item $value = cf::db_get $family => $key
1907		2200
1908	Returns a single value from the database	2201	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		2202
1915	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1916		2204
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1928	=cut	2207	=cut
1929		2208
1930	our $DB;	2209	our $DB;
1931		2210
1932	{	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
1933	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;
1934		2230
1935	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2235
1939	my $pid;	2236	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	}	2237	};
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	},	2238	}
1987	);	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 { };
1988	}	2256	}
1989		2257
1990	#############################################################################	2258	#############################################################################
1991	# 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	}
1992		2265
1993	sub cfg_load {	2266	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2268	or return;
1996		2269
…		…
2002	$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};
2003	$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};
2004		2277
2005	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2006	eval {	2279	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2282	};
2010	warn $@ if $@;	2283	warn $@ if $@;
2011	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2012	}	2289	}
2013		2290
2014	sub main {	2291	sub main {
2015	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2017	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 {
2018	async { Event::one_event };	2296	Event::one_event;
		2297	})->prio (Coro::PRIO_MAX);
2019	};	2298	};
2020		2299
2021	cfg_load;	2300	cfg_load;
2022	db_load;	2301	db_init;
2023	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
		2305	$WRITE_RUNTIME_WATCHER->start;
2024	Event::loop;	2306	Event::loop;
2025	}	2307	}
2026		2308
2027	#############################################################################	2309	#############################################################################
2028	# initialisation	2310	# initialisation and cleanup
		2311
		2312	# install some emergency cleanup handlers
		2313	BEGIN {
		2314	for my $signal (qw(INT HUP TERM)) {
		2315	Event->signal (
		2316	reentrant => 0,
		2317	data => WF_AUTOCANCEL,
		2318	signal => $signal,
		2319	prio => 0,
		2320	cb => sub {
		2321	cf::cleanup "SIG$signal";
		2322	},
		2323	);
		2324	}
		2325	}
		2326
		2327	sub emergency_save() {
		2328	my $freeze_guard = cf::freeze_mainloop;
		2329
		2330	warn "enter emergency perl save\n";
		2331
		2332	cf::sync_job {
		2333	# use a peculiar iteration method to avoid tripping on perl
		2334	# refcount bugs in for. also avoids problems with players
		2335	# and maps saved/destroyed asynchronously.
		2336	warn "begin emergency player save\n";
		2337	for my $login (keys %cf::PLAYER) {
		2338	my $pl = $cf::PLAYER{$login} or next;
		2339	$pl->valid or next;
		2340	$pl->save;
		2341	}
		2342	warn "end emergency player save\n";
		2343
		2344	warn "begin emergency map save\n";
		2345	for my $path (keys %cf::MAP) {
		2346	my $map = $cf::MAP{$path} or next;
		2347	$map->valid or next;
		2348	$map->save;
		2349	}
		2350	warn "end emergency map save\n";
		2351
		2352	warn "begin emergency database checkpoint\n";
		2353	BDB::db_env_txn_checkpoint $DB_ENV;
		2354	warn "end emergency database checkpoint\n";
		2355	};
		2356
		2357	warn "leave emergency perl save\n";
		2358	}
		2359
		2360	sub post_cleanup {
		2361	my ($make_core) = @_;
		2362
		2363	warn Carp::longmess "post_cleanup backtrace"
		2364	if $make_core;
		2365	}
2029		2366
2030	sub reload() {	2367	sub reload() {
2031	# can/must only be called in main	2368	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2369	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2370	warn "can only reload from main coroutine";
2034	return;	2371	return;
2035	}	2372	}
2036		2373
2037	warn "reloading...";	2374	warn "reloading...";
2038		2375
2039	my $guard = freeze_mainloop;	2376	warn "entering sync_job";
		2377
		2378	cf::sync_job {
		2379	cf::write_runtime;
2040	cf::emergency_save;	2380	cf::emergency_save;
		2381	cf::write_runtime;
2041		2382
2042	eval {	2383	warn "syncing database to disk";
		2384	BDB::db_env_txn_checkpoint $DB_ENV;
		2385
2043	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2044		2387
2045	# cancel all watchers	2388	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2389	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2391	}
2049		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;
2111	};	2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
2112		2471
2113	if ($@) {	2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "leaving sync_job";
		2476
		2477	1
		2478	} or do {
2114	warn $@;	2479	warn $@;
2115	warn "error while reloading, exiting.";	2480	warn "error while reloading, exiting.";
2116	exit 1;	2481	exit 1;
2117	}	2482	};
2118		2483
2119	warn "reloaded successfully";	2484	warn "reloaded";
2120	};	2485	};
2121		2486
2122	#############################################################################	2487	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2488
2167	register_command "reload" => sub {	2489	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2490	my ($who, $arg) = @_;
2169		2491
2170	if ($who->flag (FLAG_WIZ)) {	2492	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2493	$who->message ("reloading server.");
		2494
		2495	# doing reload synchronously and two reloads happen back-to-back,
		2496	# coro crashes during coro_state_free->destroy here.
		2497
		2498	$RELOAD_WATCHER ||= Event->timer (
		2499	reentrant => 0,
		2500	after => 0,
		2501	data => WF_AUTOCANCEL,
		2502	cb => sub {
2172	reload;	2503	reload;
2173	$who->message ("end of reload.");	2504	undef $RELOAD_WATCHER;
		2505	},
		2506	);
2174	}	2507	}
2175	};	2508	};
2176		2509
2177	unshift @INC, $LIBDIR;	2510	unshift @INC, $LIBDIR;
		2511
		2512	my $bug_warning = 0;
2178		2513
2179	$TICK_WATCHER = Event->timer (	2514	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2515	reentrant => 0,
		2516	parked => 1,
2181	prio => 0,	2517	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2518	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2519	data => WF_AUTOCANCEL,
2184	cb => sub {	2520	cb => sub {
		2521	if ($Coro::current != $Coro::main) {
		2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2523	unless ++$bug_warning > 10;
		2524	return;
		2525	}
		2526
		2527	$NOW = Event::time;
		2528
2185	cf::server_tick; # one server iteration	2529	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2530	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2531	$NEXT_TICK += $TICK;
		2532
		2533	$WAIT_FOR_TICK->broadcast;
		2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2535
		2536	# my $AFTER = Event::time;
		2537	# warn $AFTER - $NOW;#d#
2188		2538
2189	# if we are delayed by four ticks or more, skip them all	2539	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2541
2192	$TICK_WATCHER->at ($NEXT_TICK);	2542	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2543	$TICK_WATCHER->start;
2194	},	2544	},
2195	);	2545	);
2196		2546
		2547	{
		2548	BDB::max_poll_time $TICK * 0.1;
		2549	$BDB_POLL_WATCHER = Event->io (
		2550	reentrant => 0,
		2551	fd => BDB::poll_fileno,
		2552	poll => 'r',
		2553	prio => 0,
		2554	data => WF_AUTOCANCEL,
		2555	cb => \&BDB::poll_cb,
		2556	);
		2557	BDB::min_parallel 8;
		2558
		2559	BDB::set_sync_prepare {
		2560	my $status;
		2561	my $current = $Coro::current;
		2562	(
		2563	sub {
		2564	$status = $!;
		2565	$current->ready; undef $current;
		2566	},
		2567	sub {
		2568	Coro::schedule while defined $current;
		2569	$! = $status;
		2570	},
		2571	)
		2572	};
		2573
		2574	unless ($DB_ENV) {
		2575	$DB_ENV = BDB::db_env_create;
		2576
		2577	cf::sync_job {
		2578	eval {
		2579	BDB::db_env_open
		2580	$DB_ENV,
		2581	$BDB_ENV_DIR,
		2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2584	0666;
		2585
		2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2587
		2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2589	$DB_ENV->set_lk_detect;
		2590	};
		2591
		2592	cf::cleanup "db_env_open(db): $@" if $@;
		2593	};
		2594	}
		2595	}
		2596
		2597	{
		2598	IO::AIO::min_parallel 8;
		2599
		2600	undef $Coro::AIO::WATCHER;
2197	IO::AIO::max_poll_time $TICK * 0.2;	2601	IO::AIO::max_poll_time $TICK * 0.1;
2198		2602	$AIO_POLL_WATCHER = Event->io (
2199	Event->io (	2603	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2604	fd => IO::AIO::poll_fileno,
2201	poll => 'r',	2605	poll => 'r',
2202	prio => 5,	2606	prio => 6,
2203	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,	2608	cb => \&IO::AIO::poll_cb,
2205	);	2609	);
		2610	}
2206		2611
2207	Event->timer (	2612	$WRITE_RUNTIME_WATCHER = Event->timer (
		2613	reentrant => 0,
2208	data => WF_AUTOCANCEL,	2614	data => WF_AUTOCANCEL,
		2615	parked => 1,
2209	after => 0,	2616	after => 1,
2210	interval => 10,	2617	interval => 10,
		2618	prio => 6, # keep it lowest so it acts like a watchdog
2211	cb => sub {	2619	cb => sub {
2212	(Coro::unblock_sub {	2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2621
		2622	Coro::async_pool {
2213	write_runtime	2623	write_runtime
2214	or warn "ERROR: unable to write runtime file: $!";	2624	or warn "ERROR: unable to write runtime file: $!";
2215	})->();	2625	};
2216	},	2626	},
2217	);	2627	);
2218		2628
2219	END { cf::emergency_save }	2629	END { cf::emergency_save }
2220		2630

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