ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		39
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
233		292
234	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
235		294
236	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
257		316
258	my $busy = 1;	317	my $busy = 1;
259	my @res;	318	my @res;
260		319
261	(Coro::async_pool {	320	(async {
262	@res = eval { $job->() };	321	@res = eval { $job->() };
263	warn $@ if $@;	322	warn $@ if $@;
264	undef $busy;	323	undef $busy;
265	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
266		325
267	while ($busy) {	326	while ($busy) {
268	unless (Coro::cede) {	327	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	328	}
273		329
274	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
275	} else {	331	} else {
276	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
277		333
278	$job->()	334	$job->()
279	}	335	}
280	}	336	}
281		337
282	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
283		339
284	Creates (and readies) and returns a new coro. This coro is automcatially	340	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
286		342
287	=cut	343	=cut
288		344
289	sub coro(&) {	345	sub async_ext(&) {
290	my $cb = shift;	346	my $cb = shift;
291		347
292	my $coro = &Coro::async_pool ($cb);	348	my $coro = &Coro::async ($cb);
293		349
294	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
296	});	352	});
297	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
303	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
304		360
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	362	or return;
307		363
		364	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	369	and return;
311		370
		371	# always fsync - this file is important
312	aio_fsync $fh	372	aio_fsync $fh
313	and return;	373	and return;
314		374
315	close $fh	375	close $fh
316	or return;	376	or return;
…		…
322	}	382	}
323		383
324	=back	384	=back
325		385
326	=cut	386	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		387
448	#############################################################################	388	#############################################################################
449		389
450	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
451		391
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	518	our @CB_MAP = ();
579		519
580	my %attachment;	520	my %attachment;
581		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
582	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
584		530
585	use sort 'stable';	531	use sort 'stable';
586		532
…		…
757	# object support	703	# object support
758		704
759	sub reattach {	705	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		710
763	my $registry = $obj->registry;	711	my $registry = $obj->registry;
764		712
765	@$registry = ();	713	@$registry = ();
766		714
…		…
813	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
814		762
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	767	close $fh;
820		768
821	if (@$objs) {	769	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	775	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
829	}	777	}
830	} else {	778	} else {
831	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
898	=cut	846	=cut
899		847
900	sub register_extcmd {	848	sub register_extcmd {
901	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
902		850
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
907	}	852	}
908		853
909	cf::player->attach (	854	cf::player->attach (
910	on_command => sub {	855	on_command => sub {
911	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
924		869
925	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
926		871
927	if (ref $msg) {	872	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	876	}
932	}	877	}
933	} else {	878	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		881
937	cf::override;	882	cf::override;
938	},	883	},
939	);	884	);
940		885
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	886	sub load_extension {
948	my ($path) = @_;	887	my ($path) = @_;
949		888
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	890	my $base = $1;
952	my $pkg = $1;	891	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
955		894
956	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
957		896
958	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
959	or die "$path: $!";	898	or die "$path: $!";
960		899
961	my $source =	900	my $source =
962	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
965	. "\n};\n1";	904	. "\n};\n1";
966		905
967	eval $source	906	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	908	: "extension disabled.\n";
970		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	910	warn $@;
972	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
973		912	exit 1;
974	# no strict 'refs';	913	}
975	# @{"$pkg\::ISA"} = ext::;	914	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	915	}
990		916
991	# remove commands	917	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	918	}
1016		919
1017	sub load_extensions {	920	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	922	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1024	}	927	}
1025	}	928	}
1026		929
1027	#############################################################################	930	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		931
1065	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1066		933
1067	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1068		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1069	=head3 cf::player	942	=head3 cf::player
1070		943
1071	=over 4	944	=over 4
1072		945
1073	=item cf::player::exists $login	946	=item cf::player::find $login
1074		947
1075	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1076		949
1077	=cut	950	=cut
1078		951
1079	sub cf::player::exists($) {	952	sub playerdir($) {
1080	cf::player::find $_[0]	953	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1082	}	1100	}
1083		1101
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1103
1086	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1087		1105
1088	=cut	1106	=cut
1089		1107
1090	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1092		1110
1093	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1094		1112
1095	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1096	}	1114	}
		1115
		1116	package cf;
1097		1117
1098	=back	1118	=back
1099		1119
1100		1120
1101	=head3 cf::map	1121	=head3 cf::map
…		…
1107	package cf::map;	1127	package cf::map;
1108		1128
1109	use Fcntl;	1129	use Fcntl;
1110	use Coro::AIO;	1130	use Coro::AIO;
1111		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1112	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1114		1138
1115	sub generate_random_map {	1139	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1142	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1284	}
1133		1285
1134	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1135	# all maps in C++...	1287	# all maps in C++...
1136	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1138		1290
1139	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1141	}	1293	}
1142		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1143	sub try_load_header($) {	1303	sub load_header_from($) {
1144	my ($path) = @_;	1304	my ($self, $path) = @_;
1145		1305
1146	utf8::encode $path;	1306	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1148	or return;	1311	or return;
1149		1312
1150	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1151	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1152		1359
1153	# for better error messages only, will be overwritten	1360	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1361	}
1163		1362
1164	sub find;	1363	sub find;
1165	sub find {	1364	sub find {
1166	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1167		1366
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1368
1173	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1174		1370
1175	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1177		1373	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1374	or return;
1197		1375
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1210		1377
1211	Coro::cede;	1378	$map->load_header
		1379	or return;
1212		1380
1213	if ($map->should_reset) {	1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1384	$map->reset;
1215	undef $guard;	1385	undef $guard;
1216	$map = find $path	1386	return find $path;
1217	or return;
1218	}	1387	}
1219		1388
1220	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1221	}	1390	}
1222	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1223		1395
1224	sub load {	1396	sub load {
1225	my ($self) = @_;	1397	my ($self) = @_;
1226		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1227	my $path = $self->{path};	1401	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1229		1403
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1405
1232	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1233		1407
1234	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1235	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1413	or return;
1237		1414
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1416	if delete $self->{load_original};
1240		1417
1241	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1419	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1421	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1246	}	1423	}
1247	}	1424	}
1248		1425
1249	Coro::cede;	1426	Coro::cede;
1250		1427
1251	# now do the right thing for maps	1428	# now do the right thing for maps
1252	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1253		1430
1254	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1432	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1261	$self->set_darkness_map;	1436	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1264	$self->activate;	1440	$self->activate;
1265	}	1441	}
1266		1442
1267	Coro::cede;	1443	$self->post_load;
1268		1444
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1270	}	1479	}
1271		1480
1272	sub find_sync {	1481	sub find_sync {
1273	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1274		1483
1275	cf::sync_job {	1484	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1485	}
1280		1486
1281	sub do_load_sync {	1487	sub do_load_sync {
1282	my ($map) = @_;	1488	my ($map) = @_;
1283		1489
1284	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1285	}	1491	}
1286		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1287	sub save {	1523	sub save {
1288	my ($self) = @_;	1524	my ($self) = @_;
1289		1525
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1527
1292	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1293		1529
1294	return unless $self->dirty;	1530	return unless $self->dirty;
1295		1531
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1534
1299	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1300		1536
1301	return if $self->{deny_save};	1537	return if $self->{deny_save};
1302		1538
1303	local $self->{last_access} = $self->last_access;#d#	1539	local $self->{last_access} = $self->last_access;#d#
1304		1540
		1541	cf::async {
		1542	$_->contr->save for $self->players;
		1543	};
		1544
1305	if ($uniq) {	1545	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1548	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1550	}
1311	}	1551	}
1312		1552
1313	sub swap_out {	1553	sub swap_out {
1314	my ($self) = @_;	1554	my ($self) = @_;
…		…
1328		1568
1329	sub reset_at {	1569	sub reset_at {
1330	my ($self) = @_;	1570	my ($self) = @_;
1331		1571
1332	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1335		1575
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1578
…		…
1343	my ($self) = @_;	1583	my ($self) = @_;
1344		1584
1345	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1346	}	1586	}
1347		1587
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1588	sub reset {
1370	my ($self) = @_;	1589	my ($self) = @_;
1371		1590
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1592
1374	return if $self->players;	1593	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1376		1595
1377	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1378		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1379	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1380		1611
1381	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1382		1613
1383	$self->unlink_save;	1614	$self->unlink_save;
1384	$self->destroy;	1615	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1388		1619
1389	sub nuke {	1620	sub nuke {
1390	my ($self) = @_;	1621	my ($self) = @_;
1391		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1395	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1396	}	1636	}
1397		1637
1398	sub customise_for {	1638	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1639
1401	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1403	}
1404		1642
1405	$map	1643	=cut
1406	}
1407		1644
1408	sub emergency_save {	1645	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1410		1648
1411	warn "enter emergency map save\n";	1649	my @paths;
1412		1650
1413	cf::sync_job {	1651	for (@$files) {
1414	warn "begin emergency map save\n";	1652	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
1416	};	1657	}
1417		1658
1418	warn "end emergency map save\n";	1659	\@paths
1419	}	1660	}
1420		1661
1421	package cf;	1662	package cf;
1422		1663
1423	=back	1664	=back
1424		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1425		1692
1426	=head3 cf::object::player	1693	=head3 cf::object::player
1427		1694
1428	=over 4	1695	=over 4
1429		1696
…		…
1469		1736
1470	=item $player_object->enter_link	1737	=item $player_object->enter_link
1471		1738
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1740
1474	The player should be reaosnably safe there for short amounts of time. You	1741	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1476		1743
		1744	Will never block.
		1745
1477	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1478		1747
1479	Moves the player out of the specila link map onto the given map. If the	1748	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1749	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1751	fails, to the emergency map position.
1483		1752
1484	Might block.	1753	Might block.
1485		1754
1486	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1487		1766
1488	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1768	my ($self) = @_;
1490		1769
1491	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1492		1771
1493	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1773
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1775	if $self->map;
1497		1776
1498	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1778	}
1500		1779
1501	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1503		1782
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1524		1803
1525	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1526		1806
		1807	return unless $self->contr->active;
1527	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1529	}	1812	}
1530		1813
1531	cf::player->attach (	1814	cf::player->attach (
1532	on_logout => sub {	1815	on_logout => sub {
…		…
1543	my ($pl) = @_;	1826	my ($pl) = @_;
1544		1827
1545	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1829	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1550	(Coro::async_pool {	1832	(async {
		1833	$pl->ob->reply (undef,
		1834	"There was an internal problem at your last logout, "
		1835	. "the server will try to bring you to your intended destination in a second.",
		1836	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1837	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1838	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1555	})->prio (2);	1841	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1850	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1566		1852
1567	$self->enter_link;	1853	$self->enter_link;
1568		1854
1569	(Coro::async_pool {	1855	(async {
1570	$path = new cf::path $path;	1856	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1574		1859	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1862
1580	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1864	})->prio (1);
1582	}	1865	}
1583		1866
…		…
1587		1870
1588	sub parse_random_map_params {	1871	sub parse_random_map_params {
1589	my ($spec) = @_;	1872	my ($spec) = @_;
1590		1873
1591	my $rmp = { # defaults	1874	my $rmp = { # defaults
1592	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1594	};	1879	};
1595		1880
1596	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1598		1883
…		…
1602	$rmp	1887	$rmp
1603	}	1888	}
1604		1889
1605	sub prepare_random_map {	1890	sub prepare_random_map {
1606	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1894
1608	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1897	# that depends on the exit object
1611		1898
1612	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1613		1900
1614	if ($exit->map) {	1901	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1619	}	1906	}
1620		1907
1621	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1622		1909
1623	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1913
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1628		1918
1629	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1920	$exit->msg (undef);
1631	}	1921	}
1632	}	1922	}
…		…
1634	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1636		1926
1637	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
1638		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
		1937
1639	$self->enter_link;	1938	$self->enter_link;
1640		1939
1641	(Coro::async_pool {	1940	(async {
1642	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1942	unless (eval {
1644	prepare_random_map $exit	1943	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1944
1650	1;	1945	1;
1651	}) {	1946	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1951
1657	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1953	$self->leave_link;
1659	}	1954	}
…		…
1714	# get handled first	2009	# get handled first
1715	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2012
1718	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2015
1720	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1721		2017
1722	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2019	if (@$queue) {
…		…
1727	}	2023	}
1728	}	2024	}
1729	},	2025	},
1730	);	2026	);
1731		2027
1732	=item $client->coro (\&cb)	2028	=item $client->async (\&cb)
1733		2029
1734	Create a new coroutine, running the specified callback. The coroutine will	2030	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2031	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2032	or loss of connection).
1737		2033
1738	=cut	2034	=cut
1739		2035
1740	sub cf::client::coro {	2036	sub cf::client::async {
1741	my ($self, $cb) = @_;	2037	my ($self, $cb) = @_;
1742		2038
1743	my $coro = &Coro::async_pool ($cb);	2039	my $coro = &Coro::async ($cb);
1744		2040
1745	$coro->on_destroy (sub {	2041	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2042	delete $self->{_coro}{$coro+0};
1747	});	2043	});
1748		2044
…		…
1884	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2181	using it, it should be unique.
1886		2182
1887	=over 4	2183	=over 4
1888		2184
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
1896		2186
1897	Returns a single value from the database	2187	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2188
1904	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
1905		2190
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2192
1917	=cut	2193	=cut
1918		2194
1919	our $DB;	2195	our $DB;
1920		2196
1921	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
1922	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
1923		2216
1924	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2221
1928	my $pid;	2222	unlink $path;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2223	};
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});
1950
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {
1957	@_ >= 2
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961
1962	sub db_put($$;$) {
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2224	}
1976	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1977	}	2242	}
1978		2243
1979	#############################################################################	2244	#############################################################################
1980	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
1981		2251
1982	sub cfg_load {	2252	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2254	or return;
1985		2255
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2263
1994	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
1995	eval {	2265	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2268	};
1999	warn $@ if $@;	2269	warn $@ if $@;
2000	}	2270	}
		2271	}
		2272
		2273	sub init {
		2274	init_resources;
2001	}	2275	}
2002		2276
2003	sub main {	2277	sub main {
2004	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2281	(async {
		2282	Event::one_event;
		2283	})->prio (Coro::PRIO_MAX);
2008	};	2284	};
2009		2285
2010	cfg_load;	2286	cfg_load;
2011	db_load;	2287	db_init;
2012	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2013	Event::loop;	2291	Event::loop;
2014	}	2292	}
2015		2293
2016	#############################################################################	2294	#############################################################################
2017	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2018		2351
2019	sub reload() {	2352	sub reload() {
2020	# can/must only be called in main	2353	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2023	return;	2356	return;
2024	}	2357	}
2025		2358
2026	warn "reloading...";	2359	warn "reloading...";
2027		2360
2028	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2030		2367
2031	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2032	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2033		2372
2034	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2376	}
2038		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2039	# cancel all extension coros	2387	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2389	%EXT_CORO = ();
2042		2390
2043	# unload all extensions	2391	warn "removing commands";
2044	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2046	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2406	}
2048		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2049	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2415
2053	warn "removing <$k>";	2416	warn "... unloading $k";
2054	delete $INC{$k};	2417	delete $INC{$k};
2055		2418
2056	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2058		2421
…		…
2061	}	2424	}
2062		2425
2063	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2064	}	2427	}
2065		2428
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2432
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2079		2435
2080	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2437	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2083		2439
2084	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2085	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2086	require cf;	2443	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2445
2089	# load config and database again	2446	warn "loading config and database again";
2090	cf::cfg_load;	2447	cf::cfg_load;
2091	cf::db_load;
2092		2448
2093	# load extensions
2094	warn "load extensions";	2449	warn "loading extensions";
2095	cf::load_extensions;	2450	cf::load_extensions;
2096		2451
2097	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2453	_global_reattach;
2100	};	2454	warn "reattaching attachments to maps";
		2455	reattach $_ for values %MAP;
2101		2456
2102	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2103	warn $@;	2464	warn $@;
2104	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2105	exit 1;	2466	exit 1;
2106	}	2467	};
2107		2468
2108	warn "reloaded successfully";	2469	warn "reloaded";
2109	};	2470	};
2110		2471
2111	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2473
2156	register_command "reload" => sub {	2474	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2158		2476
2159	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2161	reload;	2488	reload;
2162	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2163	}	2492	}
2164	};	2493	};
2165		2494
2166	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2167		2498
2168	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2170	prio => 0,	2502	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2173	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2174	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2177		2531
2178	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2534
2181	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2183	},	2537	},
2184	);	2538	);
2185		2539
		2540	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2541	BDB::max_poll_time $TICK * 0.1;
2187		2542	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2543	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2544	fd => BDB::poll_fileno,
2190	poll => 'r',	2545	poll => 'r',
2191	prio => 5,	2546	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2547	data => WF_AUTOCANCEL,
2198	after => 0,	2548	cb => \&BDB::poll_cb,
2199	interval => 10,	2549	);
2200	cb => sub {	2550	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2551
2202	write_runtime	2552	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2553	my $status;
		2554	my $current = $Coro::current;
		2555	(
		2556	sub {
		2557	$status = $!;
		2558	$current->ready; undef $current;
		2559	},
		2560	sub {
		2561	Coro::schedule while defined $current;
		2562	$! = $status;
		2563	},
		2564	)
		2565	};
		2566
		2567	unless ($DB_ENV) {
		2568	$DB_ENV = BDB::db_env_create;
		2569
		2570	cf::sync_job {
		2571	eval {
		2572	BDB::db_env_open
		2573	$DB_ENV,
		2574	$BDB_ENV_DIR,
		2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2577	0666;
		2578
		2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2580
		2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2582	$DB_ENV->set_lk_detect;
		2583	};
		2584
		2585	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2586	};
2205	},	2587	}
2206	);	2588	}
		2589
		2590	{
		2591	IO::AIO::min_parallel 8;
		2592
		2593	undef $Coro::AIO::WATCHER;
		2594	IO::AIO::max_poll_time $TICK * 0.1;
		2595	$AIO_POLL_WATCHER = Event->io (
		2596	reentrant => 0,
		2597	data => WF_AUTOCANCEL,
		2598	fd => IO::AIO::poll_fileno,
		2599	poll => 'r',
		2600	prio => 6,
		2601	cb => \&IO::AIO::poll_cb,
		2602	);
		2603	}
2207		2604
2208	END { cf::emergency_save }	2605	END { cf::emergency_save }
2209		2606
2210	1	2607	1
2211		2608

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines