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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 1.223 by root, Sun Mar 11 02:12:44 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
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
		68	our %PLAYER; # all users
52	our %MAP; # all maps	69	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		79
57	binmode STDOUT;	80	binmode STDOUT;
58	binmode STDERR;	81	binmode STDERR;
59		82
60	# read virtual server time, if available	83	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	90	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
72		96
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	97	our $EMERGENCY_POSITION;
		98
		99	sub cf::map::normalise;
76		100
77	#############################################################################	101	#############################################################################
78		102
79	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
80		104
…		…
104		128
105	=item %cf::CFG	129	=item %cf::CFG
106		130
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
109		140
110	=back	141	=back
111		142
112	=cut	143	=cut
113		144
…		…
117	utf8::encode $msg;	148	utf8::encode $msg;
118		149
119	$msg .= "\n"	150	$msg .= "\n"
120	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
121		152
122	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
123	};	154	};
124	}	155	}
125		156
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		176
146	$Event::DIED = sub {	177	$Event::DIED = sub {
147	warn "error in event callback: @_";	178	warn "error in event callback: @_";
148	};	179	};
149		180
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
155		182
156	=over 4	183	=over 4
157		184
		185	=item dumpval $ref
		186
158	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
159		207
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		209
162	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
163		211
…		…
224	}	272	}
225		273
226	sub freeze_mainloop {	274	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	275	return unless $TICK_WATCHER->is_active;
228		276
229	my $guard = Coro::guard { $TICK_WATCHER->start };	277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
230	$TICK_WATCHER->stop;	280	$TICK_WATCHER->stop;
231	$guard	281	$guard
232	}	282	}
		283
		284	=item cf::async { BLOCK }
		285
		286	Currently the same as Coro::async_pool, meaning you cannot use
		287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		288	thing you are allowed to do is call C<prio> on it.
		289
		290	=cut
		291
		292	BEGIN { *async = \&Coro::async_pool }
233		293
234	=item cf::sync_job { BLOCK }	294	=item cf::sync_job { BLOCK }
235		295
236	The design of crossfire+ requires that the main coro ($Coro::main) is	296	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	297	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	316	my $freeze_guard = freeze_mainloop;
257		317
258	my $busy = 1;	318	my $busy = 1;
259	my @res;	319	my @res;
260		320
261	(Coro::async_pool {	321	(async {
262	@res = eval { $job->() };	322	@res = eval { $job->() };
263	warn $@ if $@;	323	warn $@ if $@;
264	undef $busy;	324	undef $busy;
265	})->prio (Coro::PRIO_MAX);	325	})->prio (Coro::PRIO_MAX);
266		326
267	while ($busy) {	327	while ($busy) {
268	unless (Coro::cede) {	328	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	}	329	}
273		330
274	wantarray ? @res : $res[0]	331	wantarray ? @res : $res[0]
275	} else {	332	} else {
276	# we are in another coroutine, how wonderful, everything just works	333	# we are in another coroutine, how wonderful, everything just works
277		334
278	$job->()	335	$job->()
279	}	336	}
280	}	337	}
281		338
282	=item $coro = cf::coro { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
283		340
284	Creates (and readies) and returns a new coro. This coro is automcatially	341	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	342	extension calling this is being unloaded.
286		343
287	=cut	344	=cut
288		345
289	sub coro(&) {	346	sub async_ext(&) {
290	my $cb = shift;	347	my $cb = shift;
291		348
292	my $coro = &Coro::async_pool ($cb);	349	my $coro = &Coro::async ($cb);
293		350
294	$coro->on_destroy (sub {	351	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	352	delete $EXT_CORO{$coro+0};
296	});	353	});
297	$EXT_CORO{$coro+0} = $coro;	354	$EXT_CORO{$coro+0} = $coro;
298		355
299	$coro	356	$coro
300	}	357	}
301		358
302	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
303	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
304		363
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	365	or return;
307		366
		367	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	372	and return;
311		373
		374	# always fsync - this file is important
312	aio_fsync $fh	375	aio_fsync $fh
313	and return;	376	and return;
314		377
315	close $fh	378	close $fh
316	or return;	379	or return;
…		…
322	}	385	}
323		386
324	=back	387	=back
325		388
326	=cut	389	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($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		390
448	#############################################################################	391	#############################################################################
449		392
450	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
451		394
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	521	our @CB_MAP = ();
579		522
580	my %attachment;	523	my %attachment;
581		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
582	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
584		533
585	use sort 'stable';	534	use sort 'stable';
586		535
…		…
757	# object support	706	# object support
758		707
759	sub reattach {	708	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		713
763	my $registry = $obj->registry;	714	my $registry = $obj->registry;
764		715
765	@$registry = ();	716	@$registry = ();
766		717
…		…
813	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
814		765
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	770	close $fh;
820		771
821	if (@$objs) {	772	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	778	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
829	}	780	}
830	} else {	781	} else {
831	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
898	=cut	849	=cut
899		850
900	sub register_extcmd {	851	sub register_extcmd {
901	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
902		853
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
907	}	855	}
908		856
909	cf::player->attach (	857	cf::player->attach (
910	on_command => sub {	858	on_command => sub {
911	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
924		872
925	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
926		874
927	if (ref $msg) {	875	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	879	}
932	}	880	}
933	} else {	881	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		884
937	cf::override;	885	cf::override;
938	},	886	},
939	);	887	);
940		888
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	889	sub load_extension {
948	my ($path) = @_;	890	my ($path) = @_;
949		891
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	893	my $base = $1;
952	my $pkg = $1;	894	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
955		897
956	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
957		899
958	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
959	or die "$path: $!";	901	or die "$path: $!";
960		902
961	my $source =	903	my $source =
962	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
965	. "\n};\n1";	907	. "\n};\n1";
966		908
967	eval $source	909	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	911	: "extension disabled.\n";
970		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	913	warn $@;
972	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
973		915	exit 1;
974	# no strict 'refs';	916	}
975	# @{"$pkg\::ISA"} = ext::;	917	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	# }	918	}
990		919
991	# remove commands	920	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	}	921	}
1016		922
1017	sub load_extensions {	923	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	925	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1024	}	930	}
1025	}	931	}
1026		932
1027	#############################################################################	933	#############################################################################
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		934
1065	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1066		936
1067	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1068		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1069	=head3 cf::player	945	=head3 cf::player
1070		946
1071	=over 4	947	=over 4
1072		948
1073	=item cf::player::exists $login	949	=item cf::player::find $login
1074		950
1075	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1076		952
1077	=cut	953	=cut
1078		954
1079	sub cf::player::exists($) {	955	sub playerdir($) {
1080	cf::player::find $_[0]	956	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/$login.pl"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
		993	}
		994	}
		995
		996	sub save($) {
		997	my ($pl) = @_;
		998
		999	return if $pl->{deny_save};
		1000
		1001	my $path = path $pl;
		1002	my $guard = cf::lock_acquire "user_save:$path";
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
		1007	$pl->{last_save} = $cf::RUNTIME;
		1008
		1009	$pl->save_pl ($path);
		1010	Coro::cede;
		1011	}
		1012
		1013	sub new($) {
		1014	my ($login) = @_;
		1015
		1016	my $self = create;
		1017
		1018	$self->ob->name ($login);
		1019	$self->{deny_save} = 1;
		1020
		1021	$cf::PLAYER{$login} = $self;
		1022
		1023	$self
		1024	}
		1025
		1026	=item $pl->quit_character
		1027
		1028	Nukes the player without looking back. If logged in, the connection will
		1029	be destroyed. May block for a long time.
		1030
		1031	=cut
		1032
		1033	sub quit_character {
		1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
		1037
		1038	$pl->{deny_save} = 1;
		1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1040
		1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1042	$pl->deactivate;
		1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1044	$pl->ns->destroy if $pl->ns;
		1045
		1046	my $path = playerdir $pl;
		1047	my $temp = "$path~$cf::RUNTIME~deleting~";
		1048	aio_rename $path, $temp;
		1049	delete $cf::PLAYER{$pl->ob->name};
		1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
		1072	}
		1073
		1074	=item cf::player::list_logins
		1075
		1076	Returns am arrayref of all valid playernames in the system, can take a
		1077	while and may block, so not sync_job-capable, ever.
		1078
		1079	=cut
		1080
		1081	sub list_logins {
		1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1083	or return [];
		1084
		1085	my @logins;
		1086
		1087	for my $login (@$dirs) {
		1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1089	aio_read $fh, 0, 512, my $buf, 0 or next;
		1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1091
		1092	utf8::decode $login;
		1093	push @logins, $login;
		1094	}
		1095
		1096	\@logins
		1097	}
		1098
		1099	=item $player->maps
		1100
		1101	Returns an arrayref of map paths that are private for this
		1102	player. May block.
		1103
		1104	=cut
		1105
		1106	sub maps($) {
		1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
		1110
		1111	my $files = aio_readdir playerdir $pl
		1112	or return;
		1113
		1114	my @paths;
		1115
		1116	for (@$files) {
		1117	utf8::decode $_;
		1118	next if /\.(?:pl|pst)$/;
		1119	next unless /^$PATH_SEP/o;
		1120
		1121	push @paths, cf::map::normalise "~$pl/$_";
		1122	}
		1123
		1124	\@paths
1082	}	1125	}
1083		1126
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1128
1086	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1087		1130
1088	=cut	1131	=cut
1089		1132
1090	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1092		1135
1093	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1094		1137
1095	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1096	}	1139	}
		1140
		1141	package cf;
1097		1142
1098	=back	1143	=back
1099		1144
1100		1145
1101	=head3 cf::map	1146	=head3 cf::map
…		…
1107	package cf::map;	1152	package cf::map;
1108		1153
1109	use Fcntl;	1154	use Fcntl;
1110	use Coro::AIO;	1155	use Coro::AIO;
1111		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1112	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1114		1163
1115	sub generate_random_map {	1164	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1167	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1309	}
1133		1310
1134	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1135	# all maps in C++...	1312	# all maps in C++...
1136	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1138		1315
1139	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1141	}	1318	}
1142		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1143	sub try_load_header($) {	1328	sub load_header_from($) {
1144	my ($path) = @_;	1329	my ($self, $path) = @_;
1145		1330
1146	utf8::encode $path;	1331	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1148	or return;	1336	or return;
1149		1337
1150	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1151	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1152		1384
1153	# for better error messages only, will be overwritten	1385	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1386	}
1163		1387
1164	sub find;	1388	sub find;
1165	sub find {	1389	sub find {
1166	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1167		1391
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1393
1173	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1174		1395
1175	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1177		1398	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;	1399	or return;
1197		1400
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;	1401	$map->{last_save} = $cf::RUNTIME;
1210		1402
1211	Coro::cede;	1403	$map->load_header
		1404	or return;
1212		1405
1213	if ($map->should_reset) {	1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1409	$map->reset;
1215	undef $guard;	1410	undef $guard;
1216	$map = find $path	1411	return find $path;
1217	or return;
1218	}	1412	}
1219		1413
1220	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1221	}	1415	}
1222	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1223		1420
1224	sub load {	1421	sub load {
1225	my ($self) = @_;	1422	my ($self) = @_;
1226		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1227	my $path = $self->{path};	1426	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1229		1428
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1430
1232	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1233		1432
1234	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1235	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1438	or return;
1237		1439
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1441	if delete $self->{load_original};
1240		1442
1241	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1444	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1446	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1246	}	1448	}
1247	}	1449	}
1248		1450
1249	Coro::cede;	1451	Coro::cede;
1250		1452
1251	# now do the right thing for maps	1453	# now do the right thing for maps
1252	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1253		1455
1254	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1457	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1261	$self->set_darkness_map;	1461	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1264	$self->activate;	1465	$self->activate;
1265	}	1466	}
1266		1467
1267	Coro::cede;	1468	$self->post_load;
1268		1469
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
		1471	}
		1472
		1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
1270	}	1504	}
1271		1505
1272	sub find_sync {	1506	sub find_sync {
1273	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1274		1508
1275	cf::sync_job {	1509	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1510	}
1280		1511
1281	sub do_load_sync {	1512	sub do_load_sync {
1282	my ($map) = @_;	1513	my ($map) = @_;
1283		1514
1284	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1285	}	1516	}
1286		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
		1536	$map->load;
		1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
		1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
		1546	}
		1547
1287	sub save {	1548	sub save {
1288	my ($self) = @_;	1549	my ($self) = @_;
1289		1550
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1552
1292	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1293		1554
1294	return unless $self->dirty;	1555	return unless $self->dirty;
1295		1556
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1559
1299	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1300		1561
1301	return if $self->{deny_save};	1562	return if $self->{deny_save};
1302		1563
1303	local $self->{last_access} = $self->last_access;#d#	1564	local $self->{last_access} = $self->last_access;#d#
1304		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1305	if ($uniq) {	1570	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1573	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1575	}
1311	}	1576	}
1312		1577
1313	sub swap_out {	1578	sub swap_out {
1314	my ($self) = @_;	1579	my ($self) = @_;
…		…
1328		1593
1329	sub reset_at {	1594	sub reset_at {
1330	my ($self) = @_;	1595	my ($self) = @_;
1331		1596
1332	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1335		1600
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1603
…		…
1343	my ($self) = @_;	1608	my ($self) = @_;
1344		1609
1345	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1346	}	1611	}
1347		1612
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 {	1613	sub reset {
1370	my ($self) = @_;	1614	my ($self) = @_;
1371		1615
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1617
1374	return if $self->players;	1618	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1376		1620
1377	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1378		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1379	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1380		1636
1381	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1382		1638
1383	$self->unlink_save;	1639	$self->unlink_save;
1384	$self->destroy;	1640	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1388		1644
1389	sub nuke {	1645	sub nuke {
1390	my ($self) = @_;	1646	my ($self) = @_;
1391		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1395	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1396	}	1661	}
1397		1662
1398	sub customise_for {	1663	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1664
1401	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1403	}
1404		1667
1405	$map	1668	=cut
1406	}
1407		1669
1408	sub emergency_save {	1670	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1410		1673
1411	warn "enter emergency map save\n";	1674	my @paths;
1412		1675
1413	cf::sync_job {	1676	for (@$files) {
1414	warn "begin emergency map save\n";	1677	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1416	};	1682	}
1417		1683
1418	warn "end emergency map save\n";	1684	\@paths
1419	}	1685	}
1420		1686
1421	package cf;	1687	package cf;
1422		1688
1423	=back	1689	=back
1424		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1425		1717
1426	=head3 cf::object::player	1718	=head3 cf::object::player
1427		1719
1428	=over 4	1720	=over 4
1429		1721
…		…
1469		1761
1470	=item $player_object->enter_link	1762	=item $player_object->enter_link
1471		1763
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1764	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1765
1474	The player should be reaosnably safe there for short amounts of time. You	1766	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.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1476		1768
		1769	Will never block.
		1770
1477	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1478		1772
1479	Moves the player out of the specila link map onto the given map. If the	1773	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	1774	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,	1775	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1776	fails, to the emergency map position.
1483		1777
1484	Might block.	1778	Might block.
1485		1779
1486	=cut	1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
1487		1791
1488	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1793	my ($self) = @_;
1490		1794
1491	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1492		1796
1493	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1798
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1800	if $self->map;
1497		1801
1498	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1803	}
1500		1804
1501	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1503		1807
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1524		1828
1525	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1526		1831
		1832	return unless $self->contr->active;
1527	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1529	}	1837	}
1530		1838
1531	cf::player->attach (	1839	cf::player->attach (
1532	on_logout => sub {	1840	on_logout => sub {
…		…
1543	my ($pl) = @_;	1851	my ($pl) = @_;
1544		1852
1545	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1854	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1550	(Coro::async_pool {	1857	(async {
		1858	$pl->ob->reply (undef,
		1859	"There was an internal problem at your last logout, "
		1860	. "the server will try to bring you to your intended destination in a second.",
		1861	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1862	# 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	1863	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1555	})->prio (2);	1866	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1875	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1566		1877
1567	$self->enter_link;	1878	$self->enter_link;
1568		1879
1569	(Coro::async_pool {	1880	(async {
1570	$path = new cf::path $path;	1881	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1574		1884	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1887
1580	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1889	})->prio (1);
1582	}	1890	}
1583		1891
…		…
1587		1895
1588	sub parse_random_map_params {	1896	sub parse_random_map_params {
1589	my ($spec) = @_;	1897	my ($spec) = @_;
1590		1898
1591	my $rmp = { # defaults	1899	my $rmp = { # defaults
1592	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1594	};	1904	};
1595		1905
1596	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1598		1908
…		…
1602	$rmp	1912	$rmp
1603	}	1913	}
1604		1914
1605	sub prepare_random_map {	1915	sub prepare_random_map {
1606	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1919
1608	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1922	# that depends on the exit object
1611		1923
1612	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1613		1925
1614	if ($exit->map) {	1926	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1619	}	1931	}
1620		1932
1621	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1622		1934
1623	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1938
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1628		1943
1629	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1945	$exit->msg (undef);
1631	}	1946	}
1632	}	1947	}
…		…
1634	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1636		1951
1637	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1638		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
		1962
1639	$self->enter_link;	1963	$self->enter_link;
1640		1964
1641	(Coro::async_pool {	1965	(async {
1642	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1967	unless (eval {
1644	prepare_random_map $exit	1968	$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		1969
1650	1;	1970	1;
1651	}) {	1971	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1976
1657	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1978	$self->leave_link;
1659	}	1979	}
…		…
1714	# get handled first	2034	# get handled first
1715	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2037
1718	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2040
1720	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1721		2042
1722	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2044	if (@$queue) {
…		…
1727	}	2048	}
1728	}	2049	}
1729	},	2050	},
1730	);	2051	);
1731		2052
1732	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1733		2054
1734	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2056	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2057	or loss of connection).
1737		2058
1738	=cut	2059	=cut
1739		2060
1740	sub cf::client::coro {	2061	sub cf::client::async {
1741	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1742		2063
1743	my $coro = &Coro::async_pool ($cb);	2064	my $coro = &Coro::async ($cb);
1744		2065
1745	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1747	});	2068	});
1748		2069
…		…
1884	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2206	using it, it should be unique.
1886		2207
1887	=over 4	2208	=over 4
1888		2209
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	2210	=item $value = cf::db_get $family => $key
1896		2211
1897	Returns a single value from the database	2212	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		2213
1904	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1905		2215
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	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		2217
1917	=cut	2218	=cut
1918		2219
1919	our $DB;	2220	our $DB;
1920		2221
1921	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
1922	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
1923		2241
1924	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2246
1928	my $pid;	2247	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	}	2248	};
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	},	2249	}
1976	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1977	}	2267	}
1978		2268
1979	#############################################################################	2269	#############################################################################
1980	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
1981		2305
1982	sub cfg_load {	2306	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2308	or return;
1985		2309
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2315	$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};	2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2317
1994	if (exists $CFG{mlockall}) {	2318	if (exists $CFG{mlockall}) {
1995	eval {	2319	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2321	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2322	};
1999	warn $@ if $@;	2323	warn $@ if $@;
2000	}	2324	}
2001	}	2325	}
2002		2326
2003	sub main {	2327	sub main {
2004	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2331	(async {
		2332	Event::one_event;
		2333	})->prio (Coro::PRIO_MAX);
2008	};	2334	};
2009		2335
2010	cfg_load;	2336	cfg_load;
2011	db_load;	2337	db_init;
2012	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2013	Event::loop;	2341	Event::loop;
2014	}	2342	}
2015		2343
2016	#############################################################################	2344	#############################################################################
2017	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
2018		2401
2019	sub reload() {	2402	sub reload() {
2020	# can/must only be called in main	2403	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2023	return;	2406	return;
2024	}	2407	}
2025		2408
2026	warn "reloading...";	2409	warn "reloading...";
2027		2410
2028	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2030		2417
2031	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2032	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
2033		2422
2034	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2426	}
2038		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2039	# cancel all extension coros	2439	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2441	%EXT_CORO = ();
2042		2442
2043	# unload all extensions	2443	warn "removing commands";
2044	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2046	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2458	}
2048		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2049	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2467
2053	warn "removing <$k>";	2468	warn "... unloading $k";
2054	delete $INC{$k};	2469	delete $INC{$k};
2055		2470
2056	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2058		2473
…		…
2061	}	2476	}
2062		2477
2063	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2064	}	2479	}
2065		2480
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2484
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2079		2487
2080	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2489	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2083		2491
2084	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2085	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2086	require cf;	2495	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2497
2089	# load config and database again	2498	warn "loading config and database again";
2090	cf::cfg_load;	2499	cf::cfg_load;
2091	cf::db_load;
2092		2500
2093	# load extensions
2094	warn "load extensions";	2501	warn "loading extensions";
2095	cf::load_extensions;	2502	cf::load_extensions;
2096		2503
2097	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2505	_global_reattach; # objects, sockets
2099	_global_reattach;	2506	warn "reattaching attachments to maps";
2100	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2101		2510
2102	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2103	warn $@;	2518	warn $@;
2104	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2105	exit 1;	2520	exit 1;
2106	}	2521	};
2107		2522
2108	warn "reloaded successfully";	2523	warn "reloaded";
2109	};	2524	};
2110		2525
2111	#############################################################################	2526	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} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2527
2156	register_command "reload" => sub {	2528	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2158		2530
2159	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
2161	reload;	2542	reload;
2162	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2163	}	2546	}
2164	};	2547	};
2165		2548
2166	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2167		2552
2168	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2170	prio => 0,	2556	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2173	cb => sub {	2559	cb => sub {
		2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
2174	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2177		2585
2178	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2588
2181	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2183	},	2591	},
2184	);	2592	);
2185		2593
		2594	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2187		2596	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2597	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2190	poll => 'r',	2599	poll => 'r',
2191	prio => 5,	2600	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2198	after => 0,	2602	cb => \&BDB::poll_cb,
2199	interval => 10,	2603	);
2200	cb => sub {	2604	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2605
2202	write_runtime	2606	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2640	};
2205	},	2641	}
2206	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
2207		2658
2208	END { cf::emergency_save }	2659	END { cf::emergency_save }
2209		2660
2210	1	2661	1
2211		2662

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