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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 1.218 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 (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;
…		…
301	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
302		360
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	362	or return;
305		363
		364	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	369	and return;
309		370
		371	# always fsync - this file is important
310	aio_fsync $fh	372	aio_fsync $fh
311	and return;	373	and return;
312		374
313	close $fh	375	close $fh
314	or return;	376	or return;
…		…
320	}	382	}
321		383
322	=back	384	=back
323		385
324	=cut	386	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		387
446	#############################################################################	388	#############################################################################
447		389
448	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
449		391
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	518	our @CB_MAP = ();
577		519
578	my %attachment;	520	my %attachment;
579		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
580	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
582		530
583	use sort 'stable';	531	use sort 'stable';
584		532
…		…
755	# object support	703	# object support
756		704
757	sub reattach {	705	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		710
761	my $registry = $obj->registry;	711	my $registry = $obj->registry;
762		712
763	@$registry = ();	713	@$registry = ();
764		714
…		…
811	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
812		762
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	767	close $fh;
818		768
819	if (@$objs) {	769	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	775	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
827	}	777	}
828	} else {	778	} else {
829	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
896	=cut	846	=cut
897		847
898	sub register_extcmd {	848	sub register_extcmd {
899	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
900		850
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
905	}	852	}
906		853
907	cf::player->attach (	854	cf::player->attach (
908	on_command => sub {	855	on_command => sub {
909	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
922		869
923	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
924		871
925	if (ref $msg) {	872	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	876	}
930	}	877	}
931	} else {	878	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		881
935	cf::override;	882	cf::override;
936	},	883	},
937	);	884	);
938		885
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	886	sub load_extension {
946	my ($path) = @_;	887	my ($path) = @_;
947		888
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	890	my $base = $1;
950	my $pkg = $1;	891	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
953		894
954	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
955		896
956	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
957	or die "$path: $!";	898	or die "$path: $!";
958		899
959	my $source =	900	my $source =
960	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
963	. "\n};\n1";	904	. "\n};\n1";
964		905
965	eval $source	906	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	908	: "extension disabled.\n";
968		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	910	warn $@;
970	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
971		912	exit 1;
972	# no strict 'refs';	913	}
973	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
988		916
989	# remove commands	917	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	}	918	}
1014		919
1015	sub load_extensions {	920	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	922	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1022	}	927	}
1023	}	928	}
1024		929
1025	#############################################################################	930	#############################################################################
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		931
1063	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1064		933
1065	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1066		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1067	=head3 cf::player	942	=head3 cf::player
1068		943
1069	=over 4	944	=over 4
1070		945
1071	=item cf::player::exists $login	946	=item cf::player::find $login
1072		947
1073	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1074		949
1075	=cut	950	=cut
1076		951
1077	sub cf::player::exists($) {	952	sub playerdir($) {
1078	cf::player::find $_[0]	953	cf::localdir
1079	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
1080	}	1100	}
1081		1101
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1103
1084	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1085		1105
1086	=cut	1106	=cut
1087		1107
1088	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1090		1110
1091	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1092		1112
1093	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1094	}	1114	}
		1115
		1116	package cf;
1095		1117
1096	=back	1118	=back
1097		1119
1098		1120
1099	=head3 cf::map	1121	=head3 cf::map
…		…
1105	package cf::map;	1127	package cf::map;
1106		1128
1107	use Fcntl;	1129	use Fcntl;
1108	use Coro::AIO;	1130	use Coro::AIO;
1109		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1110	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1112		1138
1113	sub generate_random_map {	1139	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1142	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1284	}
1131		1285
1132	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1133	# all maps in C++...	1287	# all maps in C++...
1134	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1136		1290
1137	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1139	}	1293	}
1140		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
1141	sub try_load_header($) {	1303	sub load_header_from($) {
1142	my ($path) = @_;	1304	my ($self, $path) = @_;
1143		1305
1144	utf8::encode $path;	1306	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1146	or return;	1311	or return;
1147		1312
1148	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
1149	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1150		1359
1151	# for better error messages only, will be overwritten	1360	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1361	}
1161		1362
1162	sub find;	1363	sub find;
1163	sub find {	1364	sub find {
1164	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1165		1366
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1368
1171	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1172		1370
1173	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1175		1373	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;	1374	or return;
1195		1375
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;	1376	$map->{last_save} = $cf::RUNTIME;
1208		1377
1209	Coro::cede;	1378	$map->load_header
		1379	or return;
1210		1380
1211	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;
1212	$map->reset;	1384	$map->reset;
1213	undef $guard;	1385	undef $guard;
1214	$map = find $path	1386	return find $path;
1215	or return;
1216	}	1387	}
1217		1388
1218	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1219	}	1390	}
1220	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1221		1395
1222	sub load {	1396	sub load {
1223	my ($self) = @_;	1397	my ($self) = @_;
1224		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1225	my $path = $self->{path};	1401	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1227		1403
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1405
1230	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1231		1407
1232	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1233	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1413	or return;
1235		1414
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1416	if delete $self->{load_original};
1238		1417
1239	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1419	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1421	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1244	}	1423	}
1245	}	1424	}
1246		1425
1247	Coro::cede;	1426	Coro::cede;
1248		1427
1249	# now do the right thing for maps	1428	# now do the right thing for maps
1250	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1251		1430
1252	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1432	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1259	$self->set_darkness_map;	1436	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1262	$self->activate;	1440	$self->activate;
1263	}	1441	}
1264		1442
1265	Coro::cede;	1443	$self->post_load;
1266		1444
1267	$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	}
1268	}	1479	}
1269		1480
1270	sub find_sync {	1481	sub find_sync {
1271	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1272		1483
1273	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1274	}	1485	}
1275		1486
1276	sub do_load_sync {	1487	sub do_load_sync {
1277	my ($map) = @_;	1488	my ($map) = @_;
1278		1489
1279	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1280	}	1491	}
1281		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
1282	sub save {	1523	sub save {
1283	my ($self) = @_;	1524	my ($self) = @_;
1284		1525
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1527
1287	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1288		1529
1289	return unless $self->dirty;	1530	return unless $self->dirty;
1290		1531
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1534
1294	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1295		1536
1296	return if $self->{deny_save};	1537	return if $self->{deny_save};
1297		1538
1298	local $self->{last_access} = $self->last_access;#d#	1539	local $self->{last_access} = $self->last_access;#d#
1299		1540
		1541	cf::async {
		1542	$_->contr->save for $self->players;
		1543	};
		1544
1300	if ($uniq) {	1545	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1548	} else {
1304	$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);
1305	}	1550	}
1306	}	1551	}
1307		1552
1308	sub swap_out {	1553	sub swap_out {
1309	my ($self) = @_;	1554	my ($self) = @_;
…		…
1323		1568
1324	sub reset_at {	1569	sub reset_at {
1325	my ($self) = @_;	1570	my ($self) = @_;
1326		1571
1327	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1330		1575
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	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;
1333		1578
…		…
1338	my ($self) = @_;	1583	my ($self) = @_;
1339		1584
1340	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1341	}	1586	}
1342		1587
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 {	1588	sub reset {
1365	my ($self) = @_;	1589	my ($self) = @_;
1366		1590
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1592
1369	return if $self->players;	1593	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1371		1595
1372	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1373		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
1374	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1375		1611
1376	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1377		1613
1378	$self->unlink_save;	1614	$self->unlink_save;
1379	$self->destroy;	1615	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1383		1619
1384	sub nuke {	1620	sub nuke {
1385	my ($self) = @_;	1621	my ($self) = @_;
1386		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1390	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1391	}	1636	}
1392		1637
1393	sub customise_for {	1638	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1639
1396	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1398	}
1399		1642
1400	$map	1643	=cut
1401	}
1402		1644
1403	sub emergency_save {	1645	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1405		1648
1406	warn "enter emergency map save\n";	1649	my @paths;
1407		1650
1408	cf::sync_job {	1651	for (@$files) {
1409	warn "begin emergency map save\n";	1652	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
1411	};	1657	}
1412		1658
1413	warn "end emergency map save\n";	1659	\@paths
1414	}	1660	}
1415		1661
1416	package cf;	1662	package cf;
1417		1663
1418	=back	1664	=back
1419		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
1420		1692
1421	=head3 cf::object::player	1693	=head3 cf::object::player
1422		1694
1423	=over 4	1695	=over 4
1424		1696
…		…
1464		1736
1465	=item $player_object->enter_link	1737	=item $player_object->enter_link
1466		1738
1467	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}>).
1468		1740
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1471		1743
		1744	Will never block.
		1745
1472	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1473		1747
1474	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
1475	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
1476	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
1477	to the emergency map position.	1751	fails, to the emergency map position.
1478		1752
1479	Might block.	1753	Might block.
1480		1754
1481	=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	}
1482		1766
1483	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1768	my ($self) = @_;
1485		1769
1486	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1487		1771
1488	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1773
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1775	if $self->map;
1492		1776
1493	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1778	}
1495		1779
1496	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1498		1782
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1519		1803
1520	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1521		1806
		1807	return unless $self->contr->active;
1522	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1524	}	1812	}
1525		1813
1526	cf::player->attach (	1814	cf::player->attach (
1527	on_logout => sub {	1815	on_logout => sub {
…		…
1539		1827
1540	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1829	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1544	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);
1545	# 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
1546	# 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
1547	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1549	};	1841	})->prio (2);
1550	}	1842	}
1551	},	1843	},
1552	);	1844	);
1553		1845
1554	=item $player_object->goto ($path, $x, $y)	1846	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1850	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1560		1852
1561	$self->enter_link;	1853	$self->enter_link;
1562		1854
1563	(Coro::async_pool {	1855	(async {
1564	$path = new cf::path $path;	1856	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1568		1859	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1570	# if $map;
1571
1572	$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);
1573		1862
1574	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1864	})->prio (1);
1576	}	1865	}
1577		1866
…		…
1581		1870
1582	sub parse_random_map_params {	1871	sub parse_random_map_params {
1583	my ($spec) = @_;	1872	my ($spec) = @_;
1584		1873
1585	my $rmp = { # defaults	1874	my $rmp = { # defaults
1586	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1588	};	1879	};
1589		1880
1590	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1592		1883
…		…
1596	$rmp	1887	$rmp
1597	}	1888	}
1598		1889
1599	sub prepare_random_map {	1890	sub prepare_random_map {
1600	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1894
1602	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1897	# that depends on the exit object
1605		1898
1606	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1607		1900
1608	if ($exit->map) {	1901	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1613	}	1906	}
1614		1907
1615	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1616		1909
1617	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1913
1620	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) {
1621	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;
1622		1918
1623	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1920	$exit->msg (undef);
1625	}	1921	}
1626	}	1922	}
…		…
1628	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1630		1926
1631	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
1632		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
1633	$self->enter_link;	1938	$self->enter_link;
1634		1939
1635	(Coro::async_pool {	1940	(async {
1636	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1942	unless (eval {
1638	prepare_random_map $exit	1943	$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		1944
1644	1;	1945	1;
1645	}) {	1946	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1951
1651	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1953	$self->leave_link;
1653	}	1954	}
…		…
1708	# get handled first	2009	# get handled first
1709	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1710	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
1711		2012
1712	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2015
1714	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1715		2017
1716	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2019	if (@$queue) {
…		…
1721	}	2023	}
1722	}	2024	}
1723	},	2025	},
1724	);	2026	);
1725		2027
1726	=item $client->coro (\&cb)	2028	=item $client->async (\&cb)
1727		2029
1728	Create a new coroutine, running the specified callback. The coroutine will	2030	Create a new coroutine, running the specified callback. The coroutine will
1729	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,
1730	or loss of connection).	2032	or loss of connection).
1731		2033
1732	=cut	2034	=cut
1733		2035
1734	sub cf::client::coro {	2036	sub cf::client::async {
1735	my ($self, $cb) = @_;	2037	my ($self, $cb) = @_;
1736		2038
1737	my $coro = &Coro::async_pool ($cb);	2039	my $coro = &Coro::async ($cb);
1738		2040
1739	$coro->on_destroy (sub {	2041	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2042	delete $self->{_coro}{$coro+0};
1741	});	2043	});
1742		2044
…		…
1878	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
1879	using it, it should be unique.	2181	using it, it should be unique.
1880		2182
1881	=over 4	2183	=over 4
1882		2184
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	2185	=item $value = cf::db_get $family => $key
1890		2186
1891	Returns a single value from the database	2187	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		2188
1898	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
1899		2190
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	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		2192
1911	=cut	2193	=cut
1912		2194
1913	our $DB;	2195	our $DB;
1914		2196
1915	{	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
1916	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;
1917		2216
1918	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2221
1922	my $pid;	2222	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	}	2223	};
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	},	2224	}
1970	);	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 { };
1971	}	2242	}
1972		2243
1973	#############################################################################	2244	#############################################################################
1974	# 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	}
1975		2251
1976	sub cfg_load {	2252	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2254	or return;
1979		2255
1980	local $/;	2256	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
1982		2258
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
1985	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
1986	eval {	2265	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2268	};
1990	warn $@ if $@;	2269	warn $@ if $@;
1991	}	2270	}
		2271	}
		2272
		2273	sub init {
		2274	init_resources;
1992	}	2275	}
1993		2276
1994	sub main {	2277	sub main {
1995	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2281	(async {
1999	Event::one_event;	2282	Event::one_event;
2000	})->();	2283	})->prio (Coro::PRIO_MAX);
2001	};	2284	};
2002		2285
2003	cfg_load;	2286	cfg_load;
2004	db_load;	2287	db_init;
2005	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2006	Event::loop;	2291	Event::loop;
2007	}	2292	}
2008		2293
2009	#############################################################################	2294	#############################################################################
2010	# 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 $make_core;
		2350	}
2011		2351
2012	sub reload() {	2352	sub reload() {
2013	# can/must only be called in main	2353	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2016	return;	2356	return;
2017	}	2357	}
2018		2358
2019	warn "reloading...";	2359	warn "reloading...";
2020		2360
2021	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2023		2367
2024	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2025	# 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
2026		2372
2027	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2376	}
2031		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
2032	# cancel all extension coros	2387	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2389	%EXT_CORO = ();
2035		2390
2036	# unload all extensions	2391	warn "removing commands";
2037	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2039	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: $@";
2040	}	2406	}
2041		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2042	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2415
2046	warn "removing <$k>";	2416	warn "... unloading $k";
2047	delete $INC{$k};	2417	delete $INC{$k};
2048		2418
2049	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2051		2421
…		…
2054	}	2424	}
2055		2425
2056	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2057	}	2427	}
2058		2428
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2065	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);
2066		2432
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2072		2435
2073	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2437	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2076		2439
2077	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2078	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2079	require cf;	2443	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2445
2082	# load config and database again	2446	warn "loading config and database again";
2083	cf::cfg_load;	2447	cf::cfg_load;
2084	cf::db_load;
2085		2448
2086	# load extensions
2087	warn "load extensions";	2449	warn "loading extensions";
2088	cf::load_extensions;	2450	cf::load_extensions;
2089		2451
2090	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2453	_global_reattach;
2093	};	2454	warn "reattaching attachments to maps";
		2455	reattach $_ for values %MAP;
2094		2456
2095	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2096	warn $@;	2464	warn $@;
2097	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2098	exit 1;	2466	exit 1;
2099	}	2467	};
2100		2468
2101	warn "reloaded successfully";	2469	warn "reloaded";
2102	};	2470	};
2103		2471
2104	#############################################################################	2472	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2473
2149	register_command "reload" => sub {	2474	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2151		2476
2152	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2488	reload;
2155	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2156	}	2492	}
2157	};	2493	};
2158		2494
2159	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2160		2498
2161	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2163	prio => 0,	2502	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2166	cb => sub {	2505	cb => sub {
		2506	if ($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
2167	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2169	$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#
2170		2531
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2534
2174	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2176	},	2537	},
2177	);	2538	);
2178		2539
		2540	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2541	BDB::max_poll_time $TICK * 0.1;
2180		2542	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2543	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2544	fd => BDB::poll_fileno,
2183	poll => 'r',	2545	poll => 'r',
2184	prio => 5,	2546	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2547	data => WF_AUTOCANCEL,
2191	after => 0,	2548	cb => \&BDB::poll_cb,
2192	interval => 10,	2549	);
2193	cb => sub {	2550	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2551
2195	write_runtime	2552	BDB::set_sync_prepare {
2196	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 $@;
2197	})->();	2586	};
2198	},	2587	}
2199	);	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	}
2200		2604
2201	END { cf::emergency_save }	2605	END { cf::emergency_save }
2202		2606
2203	1	2607	1
2204		2608

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