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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 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 (2); # 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
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
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	Coro::cede_notself;	328	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	329	}
271		330
272	wantarray ? @res : $res[0]	331	wantarray ? @res : $res[0]
273	} else {	332	} else {
274	# we are in another coroutine, how wonderful, everything just works	333	# we are in another coroutine, how wonderful, everything just works
275		334
276	$job->()	335	$job->()
277	}	336	}
278	}	337	}
279		338
280	=item $coro = cf::coro { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
281		340
282	Creates (and readies) and returns a new coro. This coro is automcatially	341	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	342	extension calling this is being unloaded.
284		343
285	=cut	344	=cut
286		345
287	sub coro(&) {	346	sub async_ext(&) {
288	my $cb = shift;	347	my $cb = shift;
289		348
290	my $coro = &Coro::async_pool ($cb);	349	my $coro = &Coro::async ($cb);
291		350
292	$coro->on_destroy (sub {	351	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	352	delete $EXT_CORO{$coro+0};
294	});	353	});
295	$EXT_CORO{$coro+0} = $coro;	354	$EXT_CORO{$coro+0} = $coro;
296		355
297	$coro	356	$coro
298	}	357	}
299		358
300	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
301	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
302		363
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	365	or return;
305		366
		367	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	372	and return;
309		373
		374	# always fsync - this file is important
310	aio_fsync $fh	375	aio_fsync $fh
311	and return;	376	and return;
312		377
313	close $fh	378	close $fh
314	or return;	379	or return;
…		…
320	}	385	}
321		386
322	=back	387	=back
323		388
324	=cut	389	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		390
446	#############################################################################	391	#############################################################################
447		392
448	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
449		394
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	521	our @CB_MAP = ();
577		522
578	my %attachment;	523	my %attachment;
579		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
580	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
582		533
583	use sort 'stable';	534	use sort 'stable';
584		535
…		…
755	# object support	706	# object support
756		707
757	sub reattach {	708	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		713
761	my $registry = $obj->registry;	714	my $registry = $obj->registry;
762		715
763	@$registry = ();	716	@$registry = ();
764		717
…		…
811	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
812		765
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	770	close $fh;
818		771
819	if (@$objs) {	772	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	778	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
827	}	780	}
828	} else {	781	} else {
829	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
896	=cut	849	=cut
897		850
898	sub register_extcmd {	851	sub register_extcmd {
899	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
900		853
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
905	}	855	}
906		856
907	cf::player->attach (	857	cf::player->attach (
908	on_command => sub {	858	on_command => sub {
909	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
922		872
923	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
924		874
925	if (ref $msg) {	875	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	879	}
930	}	880	}
931	} else {	881	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		884
935	cf::override;	885	cf::override;
936	},	886	},
937	);	887	);
938		888
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	889	sub load_extension {
946	my ($path) = @_;	890	my ($path) = @_;
947		891
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	893	my $base = $1;
950	my $pkg = $1;	894	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
953		897
954	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
955		899
956	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
957	or die "$path: $!";	901	or die "$path: $!";
958		902
959	my $source =	903	my $source =
960	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
963	. "\n};\n1";	907	. "\n};\n1";
964		908
965	eval $source	909	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	911	: "extension disabled.\n";
968		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	913	warn $@;
970	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
971		915	exit 1;
972	# no strict 'refs';	916	}
973	# @{"$pkg\::ISA"} = ext::;	917	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	918	}
988		919
989	# remove commands	920	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	921	}
1014		922
1015	sub load_extensions {	923	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	925	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1022	}	930	}
1023	}	931	}
1024		932
1025	#############################################################################	933	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		934
1063	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1064		936
1065	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1066		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1067	=head3 cf::player	945	=head3 cf::player
1068		946
1069	=over 4	947	=over 4
1070		948
1071	=item cf::player::exists $login	949	=item cf::player::find $login
1072		950
1073	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1074		952
1075	=cut	953	=cut
1076		954
1077	sub cf::player::exists($) {	955	sub playerdir($) {
1078	cf::player::find $_[0]	956	cf::localdir
1079	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
1080	}	1125	}
1081		1126
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1128
1084	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1085		1130
1086	=cut	1131	=cut
1087		1132
1088	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1090		1135
1091	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1092		1137
1093	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1094	}	1139	}
		1140
		1141	package cf;
1095		1142
1096	=back	1143	=back
1097		1144
1098		1145
1099	=head3 cf::map	1146	=head3 cf::map
…		…
1105	package cf::map;	1152	package cf::map;
1106		1153
1107	use Fcntl;	1154	use Fcntl;
1108	use Coro::AIO;	1155	use Coro::AIO;
1109		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1110	our $MAX_RESET = 3600;	1161	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1162	our $DEFAULT_RESET = 3000;
1112		1163
1113	sub generate_random_map {	1164	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1167	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1309	}
1131		1310
1132	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1133	# all maps in C++...	1312	# all maps in C++...
1134	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1136		1315
1137	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1139	}	1318	}
1140		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
1141	sub try_load_header($) {	1328	sub load_header_from($) {
1142	my ($path) = @_;	1329	my ($self, $path) = @_;
1143		1330
1144	utf8::encode $path;	1331	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1146	or return;	1336	or return;
1147		1337
1148	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
1149	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1150		1384
1151	# for better error messages only, will be overwritten	1385	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1386	}
1161		1387
1162	sub find;	1388	sub find;
1163	sub find {	1389	sub find {
1164	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1165		1391
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1393
1171	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1172		1395
1173	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1175		1398	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1399	or return;
1195		1400
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1208		1402
1209	Coro::cede;	1403	$map->load_header
		1404	or return;
1210		1405
1211	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;
1212	$map->reset;	1409	$map->reset;
1213	undef $guard;	1410	undef $guard;
1214	$map = find $path	1411	return find $path;
1215	or return;
1216	}	1412	}
1217		1413
1218	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1219	}	1415	}
1220	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1221		1420
1222	sub load {	1421	sub load {
1223	my ($self) = @_;	1422	my ($self) = @_;
1224		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1225	my $path = $self->{path};	1426	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1227		1428
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1430
1230	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1231		1432
1232	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1233	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1438	or return;
1235		1439
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1441	if delete $self->{load_original};
1238		1442
1239	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1444	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1446	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1244	}	1448	}
1245	}	1449	}
1246		1450
1247	Coro::cede;	1451	Coro::cede;
1248		1452
1249	# now do the right thing for maps	1453	# now do the right thing for maps
1250	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1251		1455
1252	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1457	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1259	$self->set_darkness_map;	1461	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1262	$self->activate;	1465	$self->activate;
1263	}	1466	}
1264		1467
1265	Coro::cede;	1468	$self->post_load;
1266		1469
1267	$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	}
1268	}	1504	}
1269		1505
1270	sub find_sync {	1506	sub find_sync {
1271	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1272		1508
1273	cf::sync_job { cf::map::find $path, $origin }	1509	cf::sync_job { find $path, $origin }
1274	}	1510	}
1275		1511
1276	sub do_load_sync {	1512	sub do_load_sync {
1277	my ($map) = @_;	1513	my ($map) = @_;
1278		1514
1279	cf::sync_job { $map->load };	1515	cf::sync_job { $map->load };
1280	}	1516	}
1281		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
1282	sub save {	1548	sub save {
1283	my ($self) = @_;	1549	my ($self) = @_;
1284		1550
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1552
1287	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1288		1554
1289	return unless $self->dirty;	1555	return unless $self->dirty;
1290		1556
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1559
1294	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1295		1561
1296	return if $self->{deny_save};	1562	return if $self->{deny_save};
1297		1563
1298	local $self->{last_access} = $self->last_access;#d#	1564	local $self->{last_access} = $self->last_access;#d#
1299		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1300	if ($uniq) {	1570	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1573	} else {
1304	$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);
1305	}	1575	}
1306	}	1576	}
1307		1577
1308	sub swap_out {	1578	sub swap_out {
1309	my ($self) = @_;	1579	my ($self) = @_;
…		…
1323		1593
1324	sub reset_at {	1594	sub reset_at {
1325	my ($self) = @_;	1595	my ($self) = @_;
1326		1596
1327	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1330		1600
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	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;
1333		1603
…		…
1338	my ($self) = @_;	1608	my ($self) = @_;
1339		1609
1340	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1341	}	1611	}
1342		1612
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1613	sub reset {
1365	my ($self) = @_;	1614	my ($self) = @_;
1366		1615
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1617
1369	return if $self->players;	1618	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1371		1620
1372	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1373		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
1374	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1375		1636
1376	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1377		1638
1378	$self->unlink_save;	1639	$self->unlink_save;
1379	$self->destroy;	1640	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1383		1644
1384	sub nuke {	1645	sub nuke {
1385	my ($self) = @_;	1646	my ($self) = @_;
1386		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1390	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1391	}	1661	}
1392		1662
1393	sub customise_for {	1663	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1664
1396	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1398	}
1399		1667
1400	$map	1668	=cut
1401	}
1402		1669
1403	sub emergency_save {	1670	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1405		1673
1406	warn "enter emergency map save\n";	1674	my @paths;
1407		1675
1408	cf::sync_job {	1676	for (@$files) {
1409	warn "begin emergency map save\n";	1677	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1411	};	1682	}
1412		1683
1413	warn "end emergency map save\n";	1684	\@paths
1414	}	1685	}
1415		1686
1416	package cf;	1687	package cf;
1417		1688
1418	=back	1689	=back
1419		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
1420		1717
1421	=head3 cf::object::player	1718	=head3 cf::object::player
1422		1719
1423	=over 4	1720	=over 4
1424		1721
…		…
1464		1761
1465	=item $player_object->enter_link	1762	=item $player_object->enter_link
1466		1763
1467	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}>).
1468		1765
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1471		1768
		1769	Will never block.
		1770
1472	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1473		1772
1474	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
1475	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
1476	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
1477	to the emergency map position.	1776	fails, to the emergency map position.
1478		1777
1479	Might block.	1778	Might block.
1480		1779
1481	=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	}
1482		1791
1483	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1793	my ($self) = @_;
1485		1794
1486	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1487		1796
1488	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1798
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1800	if $self->map;
1492		1801
1493	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1803	}
1495		1804
1496	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1498		1807
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1519		1828
1520	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1521		1831
		1832	return unless $self->contr->active;
1522	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1524	}	1837	}
1525		1838
1526	cf::player->attach (	1839	cf::player->attach (
1527	on_logout => sub {	1840	on_logout => sub {
…		…
1539		1852
1540	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1854	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1544	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);
1545	# 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
1546	# 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
1547	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1549	};	1866	})->prio (2);
1550	}	1867	}
1551	},	1868	},
1552	);	1869	);
1553		1870
1554	=item $player_object->goto ($path, $x, $y)	1871	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1875	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1560		1877
1561	$self->enter_link;	1878	$self->enter_link;
1562		1879
1563	(Coro::async_pool {	1880	(async {
1564	$path = new cf::path $path;	1881	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1882	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1568		1884	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1570	# if $map;
1571
1572	$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);
1573		1887
1574	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1889	})->prio (1);
1576	}	1890	}
1577		1891
…		…
1581		1895
1582	sub parse_random_map_params {	1896	sub parse_random_map_params {
1583	my ($spec) = @_;	1897	my ($spec) = @_;
1584		1898
1585	my $rmp = { # defaults	1899	my $rmp = { # defaults
1586	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1588	};	1904	};
1589		1905
1590	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1592		1908
…		…
1596	$rmp	1912	$rmp
1597	}	1913	}
1598		1914
1599	sub prepare_random_map {	1915	sub prepare_random_map {
1600	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1919
1602	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1922	# that depends on the exit object
1605		1923
1606	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1607		1925
1608	if ($exit->map) {	1926	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1613	}	1931	}
1614		1932
1615	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1616		1934
1617	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1938
1620	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) {
1621	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;
1622		1943
1623	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1945	$exit->msg (undef);
1625	}	1946	}
1626	}	1947	}
…		…
1628	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1630		1951
1631	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1632		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
1633	$self->enter_link;	1963	$self->enter_link;
1634		1964
1635	(Coro::async_pool {	1965	(async {
1636	$self->deactivate_recursive; # just to be sure	1966	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1967	unless (eval {
1638	prepare_random_map $exit	1968	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1969
1644	1;	1970	1;
1645	}) {	1971	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1976
1651	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1978	$self->leave_link;
1653	}	1979	}
…		…
1708	# get handled first	2034	# get handled first
1709	my $queue = delete $ns->{query_queue}	2035	my $queue = delete $ns->{query_queue}
1710	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
1711		2037
1712	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2040
1714	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1715		2042
1716	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2044	if (@$queue) {
…		…
1721	}	2048	}
1722	}	2049	}
1723	},	2050	},
1724	);	2051	);
1725		2052
1726	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1727		2054
1728	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1729	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,
1730	or loss of connection).	2057	or loss of connection).
1731		2058
1732	=cut	2059	=cut
1733		2060
1734	sub cf::client::coro {	2061	sub cf::client::async {
1735	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1736		2063
1737	my $coro = &Coro::async_pool ($cb);	2064	my $coro = &Coro::async ($cb);
1738		2065
1739	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1741	});	2068	});
1742		2069
…		…
1878	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
1879	using it, it should be unique.	2206	using it, it should be unique.
1880		2207
1881	=over 4	2208	=over 4
1882		2209
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1890		2211
1891	Returns a single value from the database	2212	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2213
1898	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1899		2215
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2217
1911	=cut	2218	=cut
1912		2219
1913	our $DB;	2220	our $DB;
1914		2221
1915	{	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
1916	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;
1917		2241
1918	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2246
1922	my $pid;	2247	unlink $path;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2248	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});
1944
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {
1951	@_ >= 2
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955
1956	sub db_put($$;$) {
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2249	}
1970	);	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 { };
1971	}	2267	}
1972		2268
1973	#############################################################################	2269	#############################################################################
1974	# 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	}
1975		2305
1976	sub cfg_load {	2306	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2308	or return;
1979		2309
1980	local $/;	2310	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2311	*CFG = YAML::Syck::Load <$fh>;
1982		2312
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2314
		2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2317
1985	if (exists $CFG{mlockall}) {	2318	if (exists $CFG{mlockall}) {
1986	eval {	2319	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2321	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2322	};
1990	warn $@ if $@;	2323	warn $@ if $@;
1991	}	2324	}
1992	}	2325	}
1993		2326
1994	sub main {	2327	sub main {
1995	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2331	(async {
1999	Event::one_event;	2332	Event::one_event;
2000	})->();	2333	})->prio (Coro::PRIO_MAX);
2001	};	2334	};
2002		2335
2003	cfg_load;	2336	cfg_load;
2004	db_load;	2337	db_init;
2005	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
2006	Event::loop;	2341	Event::loop;
2007	}	2342	}
2008		2343
2009	#############################################################################	2344	#############################################################################
2010	# 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 $make_core;
		2400	}
2011		2401
2012	sub reload() {	2402	sub reload() {
2013	# can/must only be called in main	2403	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2016	return;	2406	return;
2017	}	2407	}
2018		2408
2019	warn "reloading...";	2409	warn "reloading...";
2020		2410
2021	my $guard = freeze_mainloop;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2023		2417
2024	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2025	# 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
2026		2422
2027	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2426	}
2031		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2032	# cancel all extension coros	2439	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2441	%EXT_CORO = ();
2035		2442
2036	# unload all extensions	2443	warn "removing commands";
2037	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2039	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: $@";
2040	}	2458	}
2041		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2042	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2467
2046	warn "removing <$k>";	2468	warn "... unloading $k";
2047	delete $INC{$k};	2469	delete $INC{$k};
2048		2470
2049	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2051		2473
…		…
2054	}	2476	}
2055		2477
2056	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2057	}	2479	}
2058		2480
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2065	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);
2066		2484
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2072		2487
2073	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2489	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2076		2491
2077	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2078	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2079	require cf;	2495	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2497
2082	# load config and database again	2498	warn "loading config and database again";
2083	cf::cfg_load;	2499	cf::cfg_load;
2084	cf::db_load;
2085		2500
2086	# load extensions
2087	warn "load extensions";	2501	warn "loading extensions";
2088	cf::load_extensions;	2502	cf::load_extensions;
2089		2503
2090	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2505	_global_reattach; # objects, sockets
2092	_global_reattach;	2506	warn "reattaching attachments to maps";
2093	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2094		2510
2095	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2096	warn $@;	2518	warn $@;
2097	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2098	exit 1;	2520	exit 1;
2099	}	2521	};
2100		2522
2101	warn "reloaded successfully";	2523	warn "reloaded";
2102	};	2524	};
2103		2525
2104	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2527
2149	register_command "reload" => sub {	2528	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2151		2530
2152	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2542	reload;
2155	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2156	}	2546	}
2157	};	2547	};
2158		2548
2159	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2160		2552
2161	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2163	prio => 0,	2556	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2166	cb => sub {	2559	cb => sub {
		2560	if ($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
2167	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2169	$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#
2170		2585
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2588
2174	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2176	},	2591	},
2177	);	2592	);
2178		2593
		2594	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2180		2596	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2597	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2183	poll => 'r',	2599	poll => 'r',
2184	prio => 5,	2600	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2191	after => 0,	2602	cb => \&BDB::poll_cb,
2192	interval => 10,	2603	);
2193	cb => sub {	2604	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2605
2195	write_runtime	2606	BDB::set_sync_prepare {
2196	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 $@;
2197	})->();	2640	};
2198	},	2641	}
2199	);	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	}
2200		2658
2201	END { cf::emergency_save }	2659	END { cf::emergency_save }
2202		2660
2203	1	2661	1
2204		2662

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