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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
233		292
234	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
235		294
236	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
257		316
258	my $busy = 1;	317	my $busy = 1;
259	my @res;	318	my @res;
260		319
261	(Coro::async_pool {	320	(async {
262	@res = eval { $job->() };	321	@res = eval { $job->() };
263	warn $@ if $@;	322	warn $@ if $@;
264	undef $busy;	323	undef $busy;
265	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
266		325
267	while ($busy) {	326	while ($busy) {
268	unless (Coro::cede) {	327	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	328	}
273		329
274	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
275	} else {	331	} else {
276	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
277		333
278	$job->()	334	$job->()
279	}	335	}
280	}	336	}
281		337
282	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
283		339
284	Creates (and readies) and returns a new coro. This coro is automcatially	340	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
286		342
287	=cut	343	=cut
288		344
289	sub coro(&) {	345	sub async_ext(&) {
290	my $cb = shift;	346	my $cb = shift;
291		347
292	my $coro = &Coro::async_pool ($cb);	348	my $coro = &Coro::async ($cb);
293		349
294	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
296	});	352	});
297	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
298		354
299	$coro	355	$coro
300	}	356	}
301		357
302	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
303	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
304		362
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	364	or return;
307		365
		366	my $value = $cf::RUNTIME + 90 + 10;
308	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
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	371	and return;
311		372
		373	# always fsync - this file is important
312	aio_fsync $fh	374	aio_fsync $fh
313	and return;	375	and return;
314		376
315	close $fh	377	close $fh
316	or return;	378	or return;
…		…
322	}	384	}
323		385
324	=back	386	=back
325		387
326	=cut	388	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		389
448	#############################################################################	390	#############################################################################
449		391
450	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
451		393
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	520	our @CB_MAP = ();
579		521
580	my %attachment;	522	my %attachment;
581		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
582	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
584		532
585	use sort 'stable';	533	use sort 'stable';
586		534
…		…
757	# object support	705	# object support
758		706
759	sub reattach {	707	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		712
763	my $registry = $obj->registry;	713	my $registry = $obj->registry;
764		714
765	@$registry = ();	715	@$registry = ();
766		716
…		…
813	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
814		764
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	769	close $fh;
820		770
821	if (@$objs) {	771	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	777	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
829	}	779	}
830	} else {	780	} else {
831	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
898	=cut	848	=cut
899		849
900	sub register_extcmd {	850	sub register_extcmd {
901	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
902		852
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
907	}	854	}
908		855
909	cf::player->attach (	856	cf::player->attach (
910	on_command => sub {	857	on_command => sub {
911	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
924		871
925	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
926		873
927	if (ref $msg) {	874	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	878	}
932	}	879	}
933	} else {	880	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		883
937	cf::override;	884	cf::override;
938	},	885	},
939	);	886	);
940		887
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	888	sub load_extension {
948	my ($path) = @_;	889	my ($path) = @_;
949		890
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	892	my $base = $1;
952	my $pkg = $1;	893	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
955		896
956	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
957		898
958	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
959	or die "$path: $!";	900	or die "$path: $!";
960		901
961	my $source =	902	my $source =
962	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
965	. "\n};\n1";	906	. "\n};\n1";
966		907
967	eval $source	908	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	910	: "extension disabled.\n";
970		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	912	warn $@;
972	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
973		914	exit 1;
974	# no strict 'refs';	915	}
975	# @{"$pkg\::ISA"} = ext::;	916	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	917	}
990		918
991	# remove commands	919	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	920	}
1016		921
1017	sub load_extensions {	922	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	924	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1024	}	929	}
1025	}	930	}
1026		931
1027	#############################################################################	932	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		933
1065	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1066		935
1067	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1068		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1069	=head3 cf::player	944	=head3 cf::player
1070		945
1071	=over 4	946	=over 4
1072		947
1073	=item cf::player::exists $login	948	=item cf::player::find $login
1074		949
1075	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1076		951
1077	=cut	952	=cut
1078		953
1079	sub cf::player::exists($) {	954	sub playerdir($) {
1080	cf::player::find $_[0]	955	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1082	}	1102	}
1083		1103
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1105
1086	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1087		1107
1088	=cut	1108	=cut
1089		1109
1090	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1092		1112
1093	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1094		1114
1095	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1096	}	1116	}
		1117
		1118	package cf;
1097		1119
1098	=back	1120	=back
1099		1121
1100		1122
1101	=head3 cf::map	1123	=head3 cf::map
…		…
1107	package cf::map;	1129	package cf::map;
1108		1130
1109	use Fcntl;	1131	use Fcntl;
1110	use Coro::AIO;	1132	use Coro::AIO;
1111		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1112	our $MAX_RESET = 3600;	1138	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1139	our $DEFAULT_RESET = 3000;
1114		1140
1115	sub generate_random_map {	1141	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1144	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1286	}
1133		1287
1134	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1135	# all maps in C++...	1289	# all maps in C++...
1136	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1138		1292
1139	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1141	}	1295	}
1142		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1143	sub try_load_header($) {	1305	sub load_header_from($) {
1144	my ($path) = @_;	1306	my ($self, $path) = @_;
1145		1307
1146	utf8::encode $path;	1308	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1148	or return;	1313	or return;
1149		1314
1150	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1151	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1152		1361
1153	# for better error messages only, will be overwritten	1362	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1363	}
1163		1364
1164	sub find;	1365	sub find;
1165	sub find {	1366	sub find {
1166	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1167		1368
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1370
1173	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1174		1372
1175	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1177		1375	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1376	or return;
1197		1377
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1210		1379
1211	Coro::cede;	1380	$map->load_header
		1381	or return;
1212		1382
1213	if ($map->should_reset) {	1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1386	$map->reset;
1215	undef $guard;	1387	undef $guard;
1216	$map = find $path	1388	return find $path;
1217	or return;
1218	}	1389	}
1219		1390
1220	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1221	}	1392	}
1222	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1223		1397
1224	sub load {	1398	sub load {
1225	my ($self) = @_;	1399	my ($self) = @_;
1226		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1227	my $path = $self->{path};	1403	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1229		1405
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1407
1232	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1233		1409
1234	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1235	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1415	or return;
1237		1416
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1418	if delete $self->{load_original};
1240		1419
1241	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1421	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1423	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1246	}	1425	}
1247	}	1426	}
1248		1427
1249	Coro::cede;	1428	Coro::cede;
1250		1429
1251	# now do the right thing for maps	1430	# now do the right thing for maps
1252	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1253		1432
1254	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1434	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1261	$self->set_darkness_map;	1438	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1264	$self->activate;	1442	$self->activate;
1265	}	1443	}
1266		1444
1267	Coro::cede;	1445	$self->post_load;
1268		1446
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
		1448	}
		1449
		1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
1270	}	1481	}
1271		1482
1272	sub find_sync {	1483	sub find_sync {
1273	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1274		1485
1275	cf::sync_job {	1486	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1487	}
1280		1488
1281	sub do_load_sync {	1489	sub do_load_sync {
1282	my ($map) = @_;	1490	my ($map) = @_;
1283		1491
1284	cf::sync_job { $map->load };	1492	cf::sync_job { $map->load };
1285	}	1493	}
1286		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
		1513	$map->load;
		1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
		1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
		1523	}
		1524
1287	sub save {	1525	sub save {
1288	my ($self) = @_;	1526	my ($self) = @_;
1289		1527
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1529
1292	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1293		1531
1294	return unless $self->dirty;	1532	return unless $self->dirty;
1295		1533
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1536
1299	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1300		1538
1301	return if $self->{deny_save};	1539	return if $self->{deny_save};
1302		1540
1303	local $self->{last_access} = $self->last_access;#d#	1541	local $self->{last_access} = $self->last_access;#d#
1304		1542
		1543	cf::async {
		1544	$_->contr->save for $self->players;
		1545	};
		1546
1305	if ($uniq) {	1547	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1550	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1552	}
1311	}	1553	}
1312		1554
1313	sub swap_out {	1555	sub swap_out {
1314	my ($self) = @_;	1556	my ($self) = @_;
…		…
1328		1570
1329	sub reset_at {	1571	sub reset_at {
1330	my ($self) = @_;	1572	my ($self) = @_;
1331		1573
1332	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1335		1577
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1580
…		…
1343	my ($self) = @_;	1585	my ($self) = @_;
1344		1586
1345	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1346	}	1588	}
1347		1589
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1590	sub reset {
1370	my ($self) = @_;	1591	my ($self) = @_;
1371		1592
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1594
1374	return if $self->players;	1595	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1376		1597
1377	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1378		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1379	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1380		1613
1381	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1382		1615
1383	$self->unlink_save;	1616	$self->unlink_save;
1384	$self->destroy;	1617	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1388		1621
1389	sub nuke {	1622	sub nuke {
1390	my ($self) = @_;	1623	my ($self) = @_;
1391		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1395	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1396	}	1638	}
1397		1639
1398	sub customise_for {	1640	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1641
1401	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1403	}
1404		1644
1405	$map	1645	=cut
1406	}
1407		1646
1408	sub emergency_save {	1647	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1410		1650
1411	warn "enter emergency map save\n";	1651	my @paths;
1412		1652
1413	cf::sync_job {	1653	for (@$files) {
1414	warn "begin emergency map save\n";	1654	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
1416	};	1659	}
1417		1660
1418	warn "end emergency map save\n";	1661	\@paths
1419	}	1662	}
1420		1663
1421	package cf;	1664	package cf;
1422		1665
1423	=back	1666	=back
1424		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1425		1694
1426	=head3 cf::object::player	1695	=head3 cf::object::player
1427		1696
1428	=over 4	1697	=over 4
1429		1698
…		…
1469		1738
1470	=item $player_object->enter_link	1739	=item $player_object->enter_link
1471		1740
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1742
1474	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1476		1745
		1746	Will never block.
		1747
1477	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1478		1749
1479	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1753	fails, to the emergency map position.
1483		1754
1484	Might block.	1755	Might block.
1485		1756
1486	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1487		1768
1488	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1770	my ($self) = @_;
1490		1771
1491	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1492		1773
1493	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1775
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1777	if $self->map;
1497		1778
1498	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1780	}
1500		1781
1501	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1503		1784
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1524		1805
1525	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1526		1808
		1809	return unless $self->contr->active;
1527	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1529	}	1814	}
1530		1815
1531	cf::player->attach (	1816	cf::player->attach (
1532	on_logout => sub {	1817	on_logout => sub {
…		…
1543	my ($pl) = @_;	1828	my ($pl) = @_;
1544		1829
1545	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1831	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1550	(Coro::async_pool {	1834	(async {
		1835	$pl->ob->reply (undef,
		1836	"There was an internal problem at your last logout, "
		1837	. "the server will try to bring you to your intended destination in a second.",
		1838	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1839	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1840	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1555	})->prio (2);	1843	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1566		1854
1567	$self->enter_link;	1855	$self->enter_link;
1568		1856
1569	(Coro::async_pool {	1857	(async {
1570	$path = new cf::path $path;	1858	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1574		1861	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1864
1580	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1866	})->prio (1);
1582	}	1867	}
1583		1868
…		…
1587		1872
1588	sub parse_random_map_params {	1873	sub parse_random_map_params {
1589	my ($spec) = @_;	1874	my ($spec) = @_;
1590		1875
1591	my $rmp = { # defaults	1876	my $rmp = { # defaults
1592	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1594	};	1881	};
1595		1882
1596	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1598		1885
…		…
1602	$rmp	1889	$rmp
1603	}	1890	}
1604		1891
1605	sub prepare_random_map {	1892	sub prepare_random_map {
1606	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1896
1608	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1899	# that depends on the exit object
1611		1900
1612	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1613		1902
1614	if ($exit->map) {	1903	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1619	}	1908	}
1620		1909
1621	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1622		1911
1623	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1915
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1628		1920
1629	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1922	$exit->msg (undef);
1631	}	1923	}
1632	}	1924	}
…		…
1634	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1636		1928
1637	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1638		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1639	$self->enter_link;	1940	$self->enter_link;
1640		1941
1641	(Coro::async_pool {	1942	(async {
1642	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1944	unless (eval {
1644	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1946
1650	1;	1947	1;
1651	}) {	1948	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1953
1657	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1955	$self->leave_link;
1659	}	1956	}
…		…
1714	# get handled first	2011	# get handled first
1715	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2014
1718	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2017
1720	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1721		2019
1722	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2021	if (@$queue) {
…		…
1727	}	2025	}
1728	}	2026	}
1729	},	2027	},
1730	);	2028	);
1731		2029
1732	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1733		2031
1734	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2034	or loss of connection).
1737		2035
1738	=cut	2036	=cut
1739		2037
1740	sub cf::client::coro {	2038	sub cf::client::async {
1741	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1742		2040
1743	my $coro = &Coro::async_pool ($cb);	2041	my $coro = &Coro::async ($cb);
1744		2042
1745	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1747	});	2045	});
1748		2046
…		…
1884	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2183	using it, it should be unique.
1886		2184
1887	=over 4	2185	=over 4
1888		2186
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
1896		2188
1897	Returns a single value from the database	2189	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2190
1904	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
1905		2192
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2194
1917	=cut	2195	=cut
1918		2196
1919	our $DB;	2197	our $DB;
1920		2198
1921	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
1922	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
1923		2218
1924	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2223
1928	my $pid;	2224	unlink $path;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2225	};
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});
1950
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {
1957	@_ >= 2
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961
1962	sub db_put($$;$) {
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2226	}
1976	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1977	}	2244	}
1978		2245
1979	#############################################################################	2246	#############################################################################
1980	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
1981		2253
1982	sub cfg_load {	2254	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2256	or return;
1985		2257
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2265
1994	if (exists $CFG{mlockall}) {	2266	if (exists $CFG{mlockall}) {
1995	eval {	2267	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2269	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2270	};
1999	warn $@ if $@;	2271	warn $@ if $@;
2000	}	2272	}
		2273	}
		2274
		2275	sub init {
		2276	init_resources;
2001	}	2277	}
2002		2278
2003	sub main {	2279	sub main {
2004	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2283	(async {
		2284	Event::one_event;
		2285	})->prio (Coro::PRIO_MAX);
2008	};	2286	};
2009		2287
2010	cfg_load;	2288	cfg_load;
2011	db_load;	2289	db_init;
2012	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2013	Event::loop;	2293	Event::loop;
2014	}	2294	}
2015		2295
2016	#############################################################################	2296	#############################################################################
2017	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2018		2353
2019	sub reload() {	2354	sub reload() {
2020	# can/must only be called in main	2355	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2023	return;	2358	return;
2024	}	2359	}
2025		2360
2026	warn "reloading...";	2361	warn "reloading...";
2027		2362
2028	my $guard = freeze_mainloop;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2030		2369
2031	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2032	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2033		2374
2034	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2378	}
2038		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2039	# cancel all extension coros	2389	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2391	%EXT_CORO = ();
2042		2392
2043	# unload all extensions	2393	warn "removing commands";
2044	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2046	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2408	}
2048		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2049	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2417
2053	warn "removing <$k>";	2418	warn "... unloading $k";
2054	delete $INC{$k};	2419	delete $INC{$k};
2055		2420
2056	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2058		2423
…		…
2061	}	2426	}
2062		2427
2063	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2064	}	2429	}
2065		2430
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2434
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2079		2437
2080	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2439	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2083		2441
2084	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2085	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2086	require cf;	2445	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2447
2089	# load config and database again	2448	warn "loading config and database again";
2090	cf::cfg_load;	2449	cf::cfg_load;
2091	cf::db_load;
2092		2450
2093	# load extensions
2094	warn "load extensions";	2451	warn "loading extensions";
2095	cf::load_extensions;	2452	cf::load_extensions;
2096		2453
2097	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2455	_global_reattach;
2100	};	2456	warn "reattaching attachments to maps";
		2457	reattach $_ for values %MAP;
2101		2458
2102	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2103	warn $@;	2466	warn $@;
2104	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2105	exit 1;	2468	exit 1;
2106	}	2469	};
2107		2470
2108	warn "reloaded successfully";	2471	warn "reloaded";
2109	};	2472	};
2110		2473
2111	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2475
2156	register_command "reload" => sub {	2476	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2158		2478
2159	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2161	reload;	2490	reload;
2162	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2163	}	2494	}
2164	};	2495	};
2165		2496
2166	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2167		2500
2168	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2170	prio => 0,	2504	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2173	cb => sub {	2507	cb => sub {
		2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2174	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2177		2533
2178	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2536
2181	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2183	},	2539	},
2184	);	2540	);
2185		2541
		2542	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2187		2544	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2545	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2190	poll => 'r',	2547	poll => 'r',
2191	prio => 5,	2548	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2198	after => 0,	2550	cb => \&BDB::poll_cb,
2199	interval => 10,	2551	);
2200	cb => sub {	2552	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2553
2202	write_runtime	2554	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2588	};
2205	},	2589	}
2206	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2207		2606
2208	END { cf::emergency_save }	2607	END { cf::emergency_save }
2209		2608
2210	1	2609	1
2211		2610

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