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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
233		292
234	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
235		294
236	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
257		316
258	my $busy = 1;	317	my $busy = 1;
259	my @res;	318	my @res;
260		319
261	(Coro::async_pool {	320	(async {
262	@res = eval { $job->() };	321	@res = eval { $job->() };
263	warn $@ if $@;	322	warn $@ if $@;
264	undef $busy;	323	undef $busy;
265	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
266		325
267	while ($busy) {	326	while ($busy) {
268	Coro::cede_notself;	327	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	328	}
271		329
272	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
273	} else {	331	} else {
274	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
275		333
276	$job->()	334	$job->()
277	}	335	}
278	}	336	}
279		337
280	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
281		339
282	Creates (and readies) and returns a new coro. This coro is automcatially	340	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
284		342
285	=cut	343	=cut
286		344
287	sub coro(&) {	345	sub async_ext(&) {
288	my $cb = shift;	346	my $cb = shift;
289		347
290	my $coro = &Coro::async_pool ($cb);	348	my $coro = &Coro::async ($cb);
291		349
292	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
294	});	352	});
295	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
296		354
297	$coro	355	$coro
298	}	356	}
299		357
300	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
301	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
302		362
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	364	or return;
305		365
		366	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	371	and return;
309		372
		373	# always fsync - this file is important
310	aio_fsync $fh	374	aio_fsync $fh
311	and return;	375	and return;
312		376
313	close $fh	377	close $fh
314	or return;	378	or return;
…		…
320	}	384	}
321		385
322	=back	386	=back
323		387
324	=cut	388	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		389
446	#############################################################################	390	#############################################################################
447		391
448	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
449		393
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	520	our @CB_MAP = ();
577		521
578	my %attachment;	522	my %attachment;
579		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
580	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
582		532
583	use sort 'stable';	533	use sort 'stable';
584		534
…		…
755	# object support	705	# object support
756		706
757	sub reattach {	707	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		712
761	my $registry = $obj->registry;	713	my $registry = $obj->registry;
762		714
763	@$registry = ();	715	@$registry = ();
764		716
…		…
811	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
812		764
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	769	close $fh;
818		770
819	if (@$objs) {	771	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	777	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
827	}	779	}
828	} else {	780	} else {
829	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
896	=cut	848	=cut
897		849
898	sub register_extcmd {	850	sub register_extcmd {
899	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
900		852
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
905	}	854	}
906		855
907	cf::player->attach (	856	cf::player->attach (
908	on_command => sub {	857	on_command => sub {
909	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
922		871
923	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
924		873
925	if (ref $msg) {	874	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	878	}
930	}	879	}
931	} else {	880	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		883
935	cf::override;	884	cf::override;
936	},	885	},
937	);	886	);
938		887
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	888	sub load_extension {
946	my ($path) = @_;	889	my ($path) = @_;
947		890
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	892	my $base = $1;
950	my $pkg = $1;	893	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
953		896
954	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
955		898
956	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
957	or die "$path: $!";	900	or die "$path: $!";
958		901
959	my $source =	902	my $source =
960	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
963	. "\n};\n1";	906	. "\n};\n1";
964		907
965	eval $source	908	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	910	: "extension disabled.\n";
968		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	912	warn $@;
970	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
971		914	exit 1;
972	# no strict 'refs';	915	}
973	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
988		918
989	# remove commands	919	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	}	920	}
1014		921
1015	sub load_extensions {	922	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	924	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1022	}	929	}
1023	}	930	}
1024		931
1025	#############################################################################	932	#############################################################################
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		933
1063	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1064		935
1065	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1066		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1067	=head3 cf::player	944	=head3 cf::player
1068		945
1069	=over 4	946	=over 4
1070		947
1071	=item cf::player::exists $login	948	=item cf::player::find $login
1072		949
1073	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1074		951
1075	=cut	952	=cut
1076		953
1077	sub cf::player::exists($) {	954	sub playerdir($) {
1078	cf::player::find $_[0]	955	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1080	}	1124	}
1081		1125
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1127
1084	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1085		1129
1086	=cut	1130	=cut
1087		1131
1088	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1090		1134
1091	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1092		1136
1093	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1094	}	1138	}
		1139
		1140	package cf;
1095		1141
1096	=back	1142	=back
1097		1143
1098		1144
1099	=head3 cf::map	1145	=head3 cf::map
…		…
1105	package cf::map;	1151	package cf::map;
1106		1152
1107	use Fcntl;	1153	use Fcntl;
1108	use Coro::AIO;	1154	use Coro::AIO;
1109		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1110	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1112		1162
1113	sub generate_random_map {	1163	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1166	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1308	}
1131		1309
1132	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1133	# all maps in C++...	1311	# all maps in C++...
1134	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1136		1314
1137	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1139	}	1317	}
1140		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1141	sub try_load_header($) {	1327	sub load_header_from($) {
1142	my ($path) = @_;	1328	my ($self, $path) = @_;
1143		1329
1144	utf8::encode $path;	1330	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1146	or return;	1335	or return;
1147		1336
1148	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1149	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1150		1383
1151	# for better error messages only, will be overwritten	1384	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1385	}
1161		1386
1162	sub find;	1387	sub find;
1163	sub find {	1388	sub find {
1164	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1165		1390
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1392
1171	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1172		1394
1173	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1175		1397	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;	1398	or return;
1195		1399
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;	1400	$map->{last_save} = $cf::RUNTIME;
1208		1401
1209	Coro::cede;	1402	$map->load_header
		1403	or return;
1210		1404
1211	if ($map->should_reset) {	1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1408	$map->reset;
1213	undef $guard;	1409	undef $guard;
1214	$map = find $path	1410	return find $path;
1215	or return;
1216	}	1411	}
1217		1412
1218	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1219	}	1414	}
1220	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1221		1419
1222	sub load {	1420	sub load {
1223	my ($self) = @_;	1421	my ($self) = @_;
1224		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1225	my $path = $self->{path};	1425	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1227		1427
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1429
1230	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1231		1431
1232	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1233	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1437	or return;
1235		1438
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1440	if delete $self->{load_original};
1238		1441
1239	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1443	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1445	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1244	}	1447	}
1245	}	1448	}
1246		1449
1247	Coro::cede;	1450	Coro::cede;
1248		1451
1249	# now do the right thing for maps	1452	# now do the right thing for maps
1250	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1251		1454
1252	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1456	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1259	$self->set_darkness_map;	1460	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1262	$self->activate;	1464	$self->activate;
1263	}	1465	}
1264		1466
1265	Coro::cede;	1467	$self->post_load;
1266		1468
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1268	}	1503	}
1269		1504
1270	sub find_sync {	1505	sub find_sync {
1271	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1272		1507
1273	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1274	}	1509	}
1275		1510
1276	sub do_load_sync {	1511	sub do_load_sync {
1277	my ($map) = @_;	1512	my ($map) = @_;
1278		1513
1279	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1280	}	1515	}
1281		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1282	sub save {	1547	sub save {
1283	my ($self) = @_;	1548	my ($self) = @_;
1284		1549
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1551
1287	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1288		1553
1289	return unless $self->dirty;	1554	return unless $self->dirty;
1290		1555
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1558
1294	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1295		1560
1296	return if $self->{deny_save};	1561	return if $self->{deny_save};
1297		1562
1298	local $self->{last_access} = $self->last_access;#d#	1563	local $self->{last_access} = $self->last_access;#d#
1299		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1300	if ($uniq) {	1569	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1572	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1574	}
1306	}	1575	}
1307		1576
1308	sub swap_out {	1577	sub swap_out {
1309	my ($self) = @_;	1578	my ($self) = @_;
…		…
1323		1592
1324	sub reset_at {	1593	sub reset_at {
1325	my ($self) = @_;	1594	my ($self) = @_;
1326		1595
1327	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1330		1599
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1602
…		…
1338	my ($self) = @_;	1607	my ($self) = @_;
1339		1608
1340	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1341	}	1610	}
1342		1611
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 {	1612	sub reset {
1365	my ($self) = @_;	1613	my ($self) = @_;
1366		1614
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1616
1369	return if $self->players;	1617	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1371		1619
1372	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1373		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1374	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1375		1635
1376	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1377		1637
1378	$self->unlink_save;	1638	$self->unlink_save;
1379	$self->destroy;	1639	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1383		1643
1384	sub nuke {	1644	sub nuke {
1385	my ($self) = @_;	1645	my ($self) = @_;
1386		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1390	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1391	}	1660	}
1392		1661
1393	sub customise_for {	1662	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1663
1396	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1398	}
1399		1666
1400	$map	1667	=cut
1401	}
1402		1668
1403	sub emergency_save {	1669	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1405		1672
1406	warn "enter emergency map save\n";	1673	my @paths;
1407		1674
1408	cf::sync_job {	1675	for (@$files) {
1409	warn "begin emergency map save\n";	1676	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1411	};	1681	}
1412		1682
1413	warn "end emergency map save\n";	1683	\@paths
1414	}	1684	}
1415		1685
1416	package cf;	1686	package cf;
1417		1687
1418	=back	1688	=back
1419		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1420		1716
1421	=head3 cf::object::player	1717	=head3 cf::object::player
1422		1718
1423	=over 4	1719	=over 4
1424		1720
…		…
1464		1760
1465	=item $player_object->enter_link	1761	=item $player_object->enter_link
1466		1762
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1764
1469	The player should be reaosnably safe there for short amounts of time. You	1765	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.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1471		1767
		1768	Will never block.
		1769
1472	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1473		1771
1474	Moves the player out of the specila link map onto the given map. If the	1772	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	1773	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,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1775	fails, to the emergency map position.
1478		1776
1479	Might block.	1777	Might block.
1480		1778
1481	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1482		1790
1483	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1792	my ($self) = @_;
1485		1793
1486	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1487		1795
1488	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1797
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1799	if $self->map;
1492		1800
1493	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1802	}
1495		1803
1496	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1498		1806
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1519		1827
1520	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1521		1830
		1831	return unless $self->contr->active;
1522	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1524	}	1836	}
1525		1837
1526	cf::player->attach (	1838	cf::player->attach (
1527	on_logout => sub {	1839	on_logout => sub {
…		…
1539		1851
1540	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1853	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1544	Coro::async_pool {	1856	(async {
		1857	$pl->ob->reply (undef,
		1858	"There was an internal problem at your last logout, "
		1859	. "the server will try to bring you to your intended destination in a second.",
		1860	cf::NDI_RED);
1545	# we need this sleep as the login has a concurrent enter_exit running	1861	# 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	1862	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1549	};	1865	})->prio (2);
1550	}	1866	}
1551	},	1867	},
1552	);	1868	);
1553		1869
1554	=item $player_object->goto ($path, $x, $y)	1870	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1874	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1560		1876
1561	$self->enter_link;	1877	$self->enter_link;
1562		1878
1563	(Coro::async_pool {	1879	(async {
1564	$path = new cf::path $path;	1880	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1568		1883	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1886
1574	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1888	})->prio (1);
1576	}	1889	}
1577		1890
…		…
1581		1894
1582	sub parse_random_map_params {	1895	sub parse_random_map_params {
1583	my ($spec) = @_;	1896	my ($spec) = @_;
1584		1897
1585	my $rmp = { # defaults	1898	my $rmp = { # defaults
1586	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1588	};	1903	};
1589		1904
1590	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1592		1907
…		…
1596	$rmp	1911	$rmp
1597	}	1912	}
1598		1913
1599	sub prepare_random_map {	1914	sub prepare_random_map {
1600	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1918
1602	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1921	# that depends on the exit object
1605		1922
1606	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1607		1924
1608	if ($exit->map) {	1925	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1613	}	1930	}
1614		1931
1615	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1616		1933
1617	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1937
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1622		1942
1623	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1944	$exit->msg (undef);
1625	}	1945	}
1626	}	1946	}
…		…
1628	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1630		1950
1631	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
1632		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
		1961
1633	$self->enter_link;	1962	$self->enter_link;
1634		1963
1635	(Coro::async_pool {	1964	(async {
1636	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1966	unless (eval {
1638	prepare_random_map $exit	1967	$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		1968
1644	1;	1969	1;
1645	}) {	1970	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1975
1651	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1977	$self->leave_link;
1653	}	1978	}
…		…
1708	# get handled first	2033	# get handled first
1709	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2036
1712	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2039
1714	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1715		2041
1716	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2043	if (@$queue) {
…		…
1721	}	2047	}
1722	}	2048	}
1723	},	2049	},
1724	);	2050	);
1725		2051
1726	=item $client->coro (\&cb)	2052	=item $client->async (\&cb)
1727		2053
1728	Create a new coroutine, running the specified callback. The coroutine will	2054	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2055	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2056	or loss of connection).
1731		2057
1732	=cut	2058	=cut
1733		2059
1734	sub cf::client::coro {	2060	sub cf::client::async {
1735	my ($self, $cb) = @_;	2061	my ($self, $cb) = @_;
1736		2062
1737	my $coro = &Coro::async_pool ($cb);	2063	my $coro = &Coro::async ($cb);
1738		2064
1739	$coro->on_destroy (sub {	2065	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2066	delete $self->{_coro}{$coro+0};
1741	});	2067	});
1742		2068
…		…
1878	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2205	using it, it should be unique.
1880		2206
1881	=over 4	2207	=over 4
1882		2208
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	2209	=item $value = cf::db_get $family => $key
1890		2210
1891	Returns a single value from the database	2211	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		2212
1898	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1899		2214
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	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		2216
1911	=cut	2217	=cut
1912		2218
1913	our $DB;	2219	our $DB;
1914		2220
1915	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1916	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1917		2240
1918	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2245
1922	my $pid;	2246	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	}	2247	};
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	},	2248	}
1970	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2266	}
1972		2267
1973	#############################################################################	2268	#############################################################################
1974	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1975		2275
1976	sub cfg_load {	2276	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2278	or return;
1979		2279
1980	local $/;	2280	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
1982		2282
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
1985	if (exists $CFG{mlockall}) {	2288	if (exists $CFG{mlockall}) {
1986	eval {	2289	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2291	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2292	};
1990	warn $@ if $@;	2293	warn $@ if $@;
1991	}	2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
1992	}	2299	}
1993		2300
1994	sub main {	2301	sub main {
1995	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2305	(async {
1999	Event::one_event;	2306	Event::one_event;
2000	})->();	2307	})->prio (Coro::PRIO_MAX);
2001	};	2308	};
2002		2309
2003	cfg_load;	2310	cfg_load;
2004	db_load;	2311	db_init;
2005	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2006	Event::loop;	2315	Event::loop;
2007	}	2316	}
2008		2317
2009	#############################################################################	2318	#############################################################################
2010	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2011		2375
2012	sub reload() {	2376	sub reload() {
2013	# can/must only be called in main	2377	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2016	return;	2380	return;
2017	}	2381	}
2018		2382
2019	warn "reloading...";	2383	warn "reloading...";
2020		2384
2021	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2023		2391
2024	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2025	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2026		2396
2027	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2400	}
2031		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2032	# cancel all extension coros	2411	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2413	%EXT_CORO = ();
2035		2414
2036	# unload all extensions	2415	warn "removing commands";
2037	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2039	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2430	}
2041		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2042	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2439
2046	warn "removing <$k>";	2440	warn "... unloading $k";
2047	delete $INC{$k};	2441	delete $INC{$k};
2048		2442
2049	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2051		2445
…		…
2054	}	2448	}
2055		2449
2056	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2057	}	2451	}
2058		2452
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2456
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2072		2459
2073	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2461	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2076		2463
2077	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2078	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2079	require cf;	2467	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2469
2082	# load config and database again	2470	warn "loading config and database again";
2083	cf::cfg_load;	2471	cf::cfg_load;
2084	cf::db_load;
2085		2472
2086	# load extensions
2087	warn "load extensions";	2473	warn "loading extensions";
2088	cf::load_extensions;	2474	cf::load_extensions;
2089		2475
2090	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2477	_global_reattach; # objects, sockets
2092	_global_reattach;	2478	warn "reattaching attachments to maps";
2093	};	2479	reattach $_ for values %MAP;
		2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2094		2482
2095	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2096	warn $@;	2490	warn $@;
2097	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2098	exit 1;	2492	exit 1;
2099	}	2493	};
2100		2494
2101	warn "reloaded successfully";	2495	warn "reloaded";
2102	};	2496	};
2103		2497
2104	#############################################################################	2498	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2499
2149	register_command "reload" => sub {	2500	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2151		2502
2152	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2154	reload;	2514	reload;
2155	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2156	}	2518	}
2157	};	2519	};
2158		2520
2159	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2160		2524
2161	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2163	prio => 0,	2528	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2166	cb => sub {	2531	cb => sub {
		2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2167	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
		2552	$WAIT_FOR_TICK->broadcast;
		2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2170		2557
2171	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2560
2174	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2176	},	2563	},
2177	);	2564	);
2178		2565
		2566	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2180		2568	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2569	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2183	poll => 'r',	2571	poll => 'r',
2184	prio => 5,	2572	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2191	after => 0,	2574	cb => \&BDB::poll_cb,
2192	interval => 10,	2575	);
2193	cb => sub {	2576	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2577
2195	write_runtime	2578	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2612	};
2198	},	2613	}
2199	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
2200		2630
2201	END { cf::emergency_save }	2631	END { cf::emergency_save }
2202		2632
2203	1	2633	1
2204		2634

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