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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.214 by root, Wed Feb 14 00:40:05 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";
…		…
837	}	785	}
838	} else {	786	} else {
839	aio_unlink $filename;	787	aio_unlink $filename;
840	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
841	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
842	}	796	}
843	}	797	}
844		798
845	sub object_freezer_as_string {	799	sub object_freezer_as_string {
846	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
852		806
853	sub object_thawer_load {	807	sub object_thawer_load {
854	my ($filename) = @_;	808	my ($filename) = @_;
855		809
856	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
857		814
858	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
859	or return;	816	or return;
860		817
861	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
898	=cut	855	=cut
899		856
900	sub register_extcmd {	857	sub register_extcmd {
901	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
902		859
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
907	}	861	}
908		862
909	cf::player->attach (	863	cf::player->attach (
910	on_command => sub {	864	on_command => sub {
911	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
924		878
925	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
926		880
927	if (ref $msg) {	881	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	885	}
932	}	886	}
933	} else {	887	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		890
937	cf::override;	891	cf::override;
938	},	892	},
939	);	893	);
940		894
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	895	sub load_extension {
948	my ($path) = @_;	896	my ($path) = @_;
949		897
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	899	my $base = $1;
952	my $pkg = $1;	900	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
955		903
956	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
957		905
958	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
959	or die "$path: $!";	907	or die "$path: $!";
960		908
961	my $source =	909	my $source =
962	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
965	. "\n};\n1";	913	. "\n};\n1";
966		914
967	eval $source	915	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	917	: "extension disabled.\n";
970		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	919	warn $@;
972	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
973		921	exit 1;
974	# no strict 'refs';	922	}
975	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
990		925
991	# remove commands	926	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	}	927	}
1016		928
1017	sub load_extensions {	929	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	931	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1024	}	936	}
1025	}	937	}
1026		938
1027	#############################################################################	939	#############################################################################
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		940
1065	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1066		942
1067	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1068		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1069	=head3 cf::player	951	=head3 cf::player
1070		952
1071	=over 4	953	=over 4
1072		954
1073	=item cf::player::exists $login	955	=item cf::player::find $login
1074		956
1075	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1076		958
1077	=cut	959	=cut
1078		960
1079	sub cf::player::exists($) {	961	sub playerdir($) {
1080	cf::player::find $_[0]	962	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1082	}	1109	}
1083		1110
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1112
1086	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1087		1114
1088	=cut	1115	=cut
1089		1116
1090	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1092		1119
1093	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1094		1121
1095	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1096	}	1123	}
		1124
		1125	package cf;
1097		1126
1098	=back	1127	=back
1099		1128
1100		1129
1101	=head3 cf::map	1130	=head3 cf::map
…		…
1107	package cf::map;	1136	package cf::map;
1108		1137
1109	use Fcntl;	1138	use Fcntl;
1110	use Coro::AIO;	1139	use Coro::AIO;
1111		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1112	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1114		1147
1115	sub generate_random_map {	1148	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1151	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1293	}
1133		1294
1134	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1135	# all maps in C++...	1296	# all maps in C++...
1136	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1138		1299
1139	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1141	}	1302	}
1142		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1143	sub try_load_header($) {	1317	sub load_header_from($) {
1144	my ($path) = @_;	1318	my ($self, $path) = @_;
1145		1319
1146	utf8::encode $path;	1320	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1148	or return;	1325	or return;
1149		1326
1150	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1151	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1152		1373
1153	# for better error messages only, will be overwritten	1374	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1375	}
1163		1376
1164	sub find;	1377	sub find;
1165	sub find {	1378	sub find {
1166	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1167		1380
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1382
1173	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1174		1384
1175	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1177		1387	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;	1388	or return;
1197		1389
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;	1390	$map->{last_save} = $cf::RUNTIME;
1210		1391
1211	Coro::cede;	1392	$map->load_header
		1393	or return;
1212		1394
1213	if ($map->should_reset) {	1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1398	$map->reset;
1215	undef $guard;	1399	undef $guard;
1216	$map = find $path	1400	return find $path;
1217	or return;
1218	}	1401	}
1219		1402
1220	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1221	}	1404	}
1222	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1223		1409
1224	sub load {	1410	sub load {
1225	my ($self) = @_;	1411	my ($self) = @_;
1226		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1227	my $path = $self->{path};	1415	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1229		1417
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1419
1232	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1233		1421
1234	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1235	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1427	or return;
1237		1428
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1430	if delete $self->{load_original};
1240		1431
1241	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1433	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1435	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1246	}	1437	}
1247	}	1438	}
1248		1439
1249	Coro::cede;	1440	Coro::cede;
1250		1441
1251	# now do the right thing for maps	1442	# now do the right thing for maps
1252	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1253		1444
1254	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1446	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1261	$self->set_darkness_map;	1450	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1264	$self->activate;	1454	$self->activate;
1265	}	1455	}
1266		1456
1267	Coro::cede;	1457	$self->post_load;
1268		1458
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
1270	}	1493	}
1271		1494
1272	sub find_sync {	1495	sub find_sync {
1273	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1274		1497
1275	cf::sync_job {	1498	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1499	}
1280		1500
1281	sub do_load_sync {	1501	sub do_load_sync {
1282	my ($map) = @_;	1502	my ($map) = @_;
1283		1503
1284	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1285	}	1505	}
1286		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1287	sub save {	1537	sub save {
1288	my ($self) = @_;	1538	my ($self) = @_;
1289		1539
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1541
1292	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1293		1543
1294	return unless $self->dirty;	1544	return unless $self->dirty;
1295		1545
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1548
1299	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1300		1550
1301	return if $self->{deny_save};	1551	return if $self->{deny_save};
1302		1552
1303	local $self->{last_access} = $self->last_access;#d#	1553	local $self->{last_access} = $self->last_access;#d#
1304		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1305	if ($uniq) {	1559	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1562	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1564	}
1311	}	1565	}
1312		1566
1313	sub swap_out {	1567	sub swap_out {
1314	my ($self) = @_;	1568	my ($self) = @_;
…		…
1328		1582
1329	sub reset_at {	1583	sub reset_at {
1330	my ($self) = @_;	1584	my ($self) = @_;
1331		1585
1332	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1335		1589
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1592
…		…
1343	my ($self) = @_;	1597	my ($self) = @_;
1344		1598
1345	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1346	}	1600	}
1347		1601
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 {	1602	sub reset {
1370	my ($self) = @_;	1603	my ($self) = @_;
1371		1604
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1606
1374	return if $self->players;	1607	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1376		1609
1377	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1378		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1379	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1380		1625
1381	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1382		1627
1383	$self->unlink_save;	1628	$self->unlink_save;
1384	$self->destroy;	1629	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1388		1633
1389	sub nuke {	1634	sub nuke {
1390	my ($self) = @_;	1635	my ($self) = @_;
1391		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1395	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1396	}	1650	}
1397		1651
1398	sub customise_for {	1652	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1653
1401	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1403	}
1404		1656
1405	$map	1657	=cut
1406	}
1407		1658
1408	sub emergency_save {	1659	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1410		1662
1411	warn "enter emergency map save\n";	1663	my @paths;
1412		1664
1413	cf::sync_job {	1665	for (@$files) {
1414	warn "begin emergency map save\n";	1666	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1416	};	1671	}
1417		1672
1418	warn "end emergency map save\n";	1673	\@paths
1419	}	1674	}
1420		1675
1421	package cf;	1676	package cf;
1422		1677
1423	=back	1678	=back
1424		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1425		1706
1426	=head3 cf::object::player	1707	=head3 cf::object::player
1427		1708
1428	=over 4	1709	=over 4
1429		1710
…		…
1469		1750
1470	=item $player_object->enter_link	1751	=item $player_object->enter_link
1471		1752
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1754
1474	The player should be reaosnably safe there for short amounts of time. You	1755	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.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1476		1757
		1758	Will never block.
		1759
1477	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1478		1761
1479	Moves the player out of the specila link map onto the given map. If the	1762	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	1763	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,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1765	fails, to the emergency map position.
1483		1766
1484	Might block.	1767	Might block.
1485		1768
1486	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1487		1780
1488	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1782	my ($self) = @_;
1490		1783
1491	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1492		1785
1493	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1787
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1789	if $self->map;
1497		1790
1498	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1792	}
1500		1793
1501	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1503		1796
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1524		1817
1525	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1526		1820
		1821	return unless $self->contr->active;
1527	$self->activate_recursive;	1822	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1823	$self->enter_map ($map, $x, $y);
1529	}	1824	}
1530		1825
1531	cf::player->attach (	1826	cf::player->attach (
…		…
1543	my ($pl) = @_;	1838	my ($pl) = @_;
1544		1839
1545	# try to abort aborted map switching on player login :)	1840	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1841	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1842	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1843	$pl->ob->enter_link;
1550	(Coro::async_pool {	1844	(async {
1551	# we need this sleep as the login has a concurrent enter_exit running	1845	# 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	1846	# and this sleep increases chances of the player not ending up in scorn
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
1553	Coro::Timer::sleep 1;	1851	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1852	$pl->ob->leave_link;
1555	})->prio (2);	1853	})->prio (2);
1556	}	1854	}
1557	},	1855	},
…		…
1564	sub cf::object::player::goto {	1862	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1863	my ($self, $path, $x, $y) = @_;
1566		1864
1567	$self->enter_link;	1865	$self->enter_link;
1568		1866
1569	(Coro::async_pool {	1867	(async {
1570	$path = new cf::path $path;	1868	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1869	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1870	$map = $map->customise_for ($self) if $map;
1574		1871	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1872	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1874
1580	$self->leave_link ($map, $x, $y);	1875	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1876	})->prio (1);
1582	}	1877	}
1583		1878
…		…
1587		1882
1588	sub parse_random_map_params {	1883	sub parse_random_map_params {
1589	my ($spec) = @_;	1884	my ($spec) = @_;
1590		1885
1591	my $rmp = { # defaults	1886	my $rmp = { # defaults
1592	xsize => 10,	1887	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1888	ysize => (cf::rndm 15, 40),
		1889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1890	#layout => string,
1594	};	1891	};
1595		1892
1596	for (split /\n/, $spec) {	1893	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1894	my ($k, $v) = split /\s+/, $_, 2;
1598		1895
…		…
1602	$rmp	1899	$rmp
1603	}	1900	}
1604		1901
1605	sub prepare_random_map {	1902	sub prepare_random_map {
1606	my ($exit) = @_;	1903	my ($exit) = @_;
		1904
		1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1906
1608	# all this does is basically replace the /! path by	1907	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1908	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1909	# that depends on the exit object
1611		1910
1612	my $rmp = parse_random_map_params $exit->msg;	1911	my $rmp = parse_random_map_params $exit->msg;
1613		1912
1614	if ($exit->map) {	1913	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1914	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1915	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1916	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1917	$rmp->{origin_y} = $exit->y;
1619	}	1918	}
1620		1919
1621	$rmp->{random_seed} ||= $exit->random_seed;	1920	$rmp->{random_seed} ||= $exit->random_seed;
1622		1921
1623	my $data = cf::to_json $rmp;	1922	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1923	my $md5 = Digest::MD5::md5_hex $data;
		1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1925
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1927	aio_write $fh, 0, (length $data), $data, 0;
		1928	undef $fh;
		1929	aio_rename "$meta~", $meta;
1628		1930
1629	$exit->slaying ("?random/$md5");	1931	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1932	$exit->msg (undef);
1631	}	1933	}
1632	}	1934	}
…		…
1634	sub cf::object::player::enter_exit {	1936	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1937	my ($self, $exit) = @_;
1636		1938
1637	return unless $self->type == cf::PLAYER;	1939	return unless $self->type == cf::PLAYER;
1638		1940
		1941	if ($exit->slaying eq "/!") {
		1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1943	cf::sync_job { prepare_random_map $exit };
		1944	}
		1945
		1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1947	my $hp = $exit->stats->hp;
		1948	my $sp = $exit->stats->sp;
		1949
1639	$self->enter_link;	1950	$self->enter_link;
1640		1951
1641	(Coro::async_pool {	1952	(async {
1642	$self->deactivate_recursive; # just to be sure	1953	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1954	unless (eval {
1644	prepare_random_map $exit	1955	$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		1956
1650	1;	1957	1;
1651	}) {	1958	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1959	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1960	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1961	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1962	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1963
1657	warn "ERROR in enter_exit: $@";	1964	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1965	$self->leave_link;
1659	}	1966	}
…		…
1714	# get handled first	2021	# get handled first
1715	my $queue = delete $ns->{query_queue}	2022	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2023	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2024
1718	(shift @$queue)->[1]->($msg);	2025	(shift @$queue)->[1]->($msg);
		2026	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2027
1720	push @{ $ns->{query_queue} }, @$queue;	2028	push @{ $ns->{query_queue} }, @$queue;
1721		2029
1722	if (@{ $ns->{query_queue} } == @$queue) {	2030	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2031	if (@$queue) {
…		…
1727	}	2035	}
1728	}	2036	}
1729	},	2037	},
1730	);	2038	);
1731		2039
1732	=item $client->coro (\&cb)	2040	=item $client->async (\&cb)
1733		2041
1734	Create a new coroutine, running the specified callback. The coroutine will	2042	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2043	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2044	or loss of connection).
1737		2045
1738	=cut	2046	=cut
1739		2047
1740	sub cf::client::coro {	2048	sub cf::client::async {
1741	my ($self, $cb) = @_;	2049	my ($self, $cb) = @_;
1742		2050
1743	my $coro = &Coro::async_pool ($cb);	2051	my $coro = &Coro::async ($cb);
1744		2052
1745	$coro->on_destroy (sub {	2053	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2054	delete $self->{_coro}{$coro+0};
1747	});	2055	});
1748		2056
…		…
1884	The parameter C<$family> should best start with the name of the extension	2192	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2193	using it, it should be unique.
1886		2194
1887	=over 4	2195	=over 4
1888		2196
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	2197	=item $value = cf::db_get $family => $key
1896		2198
1897	Returns a single value from the database	2199	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		2200
1904	=item cf::db_put $family => $key => $value	2201	=item cf::db_put $family => $key => $value
1905		2202
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2203	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		2204
1917	=cut	2205	=cut
1918		2206
1919	our $DB;	2207	our $DB;
1920		2208
1921	{	2209	sub db_init {
		2210	unless ($DB) {
		2211	$DB = BDB::db_create $DB_ENV;
		2212
		2213	cf::sync_job {
		2214	eval {
		2215	$DB->set_flags (BDB::CHKSUM);
		2216
		2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2219	cf::cleanup "db_open(db): $!" if $!;
		2220	};
		2221	cf::cleanup "db_open(db): $@" if $@;
		2222	};
		2223
1922	my $path = cf::localdir . "/database.pst";	2224	my $path = cf::localdir . "/database.pst";
		2225	if (stat $path) {
		2226	cf::sync_job {
		2227	my $pst = Storable::retrieve $path;
1923		2228
1924	sub db_load() {	2229	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2230	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2231	cf::db_put (rent => balance => $pst->{rent}{balance});
		2232	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2233
1928	my $pid;	2234	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	}	2235	};
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	},	2236	}
1976	);	2237	}
		2238	}
		2239
		2240	sub db_get($$) {
		2241	my $key = "$_[0]/$_[1]";
		2242
		2243	cf::sync_job {
		2244	BDB::db_get $DB, undef, $key, my $data;
		2245
		2246	$! ? ()
		2247	: Compress::LZF::sthaw $data
		2248	}
		2249	}
		2250
		2251	sub db_put($$$) {
		2252	BDB::dbreq_pri 4;
		2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1977	}	2254	}
1978		2255
1979	#############################################################################	2256	#############################################################################
1980	# the server's main()	2257	# the server's init and main functions
		2258
		2259	sub load_resources {
		2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2261	or die "unable to load regions file\n";#d#
		2262	}
1981		2263
1982	sub cfg_load {	2264	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2265	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2266	or return;
1985		2267
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2273	$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};	2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2275
1994	if (exists $CFG{mlockall}) {	2276	if (exists $CFG{mlockall}) {
1995	eval {	2277	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2279	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2280	};
1999	warn $@ if $@;	2281	warn $@ if $@;
2000	}	2282	}
		2283	}
		2284
		2285	sub init {
		2286	load_resources;
2001	}	2287	}
2002		2288
2003	sub main {	2289	sub main {
2004	# we must not ever block the main coroutine	2290	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2291	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2293	(async {
		2294	Event::one_event;
		2295	})->prio (Coro::PRIO_MAX);
2008	};	2296	};
2009		2297
2010	cfg_load;	2298	cfg_load;
2011	db_load;	2299	db_init;
2012	load_extensions;	2300	load_extensions;
		2301
		2302	$TICK_WATCHER->start;
2013	Event::loop;	2303	Event::loop;
2014	}	2304	}
2015		2305
2016	#############################################################################	2306	#############################################################################
2017	# initialisation	2307	# initialisation and cleanup
		2308
		2309	# install some emergency cleanup handlers
		2310	BEGIN {
		2311	for my $signal (qw(INT HUP TERM)) {
		2312	Event->signal (
		2313	reentrant => 0,
		2314	data => WF_AUTOCANCEL,
		2315	signal => $signal,
		2316	prio => 0,
		2317	cb => sub {
		2318	cf::cleanup "SIG$signal";
		2319	},
		2320	);
		2321	}
		2322	}
		2323
		2324	sub emergency_save() {
		2325	my $freeze_guard = cf::freeze_mainloop;
		2326
		2327	warn "enter emergency perl save\n";
		2328
		2329	cf::sync_job {
		2330	# use a peculiar iteration method to avoid tripping on perl
		2331	# refcount bugs in for. also avoids problems with players
		2332	# and maps saved/destroyed asynchronously.
		2333	warn "begin emergency player save\n";
		2334	for my $login (keys %cf::PLAYER) {
		2335	my $pl = $cf::PLAYER{$login} or next;
		2336	$pl->valid or next;
		2337	$pl->save;
		2338	}
		2339	warn "end emergency player save\n";
		2340
		2341	warn "begin emergency map save\n";
		2342	for my $path (keys %cf::MAP) {
		2343	my $map = $cf::MAP{$path} or next;
		2344	$map->valid or next;
		2345	$map->save;
		2346	}
		2347	warn "end emergency map save\n";
		2348
		2349	warn "begin emergency database checkpoint\n";
		2350	BDB::db_env_txn_checkpoint $DB_ENV;
		2351	warn "end emergency database checkpoint\n";
		2352	};
		2353
		2354	warn "leave emergency perl save\n";
		2355	}
		2356
		2357	sub post_cleanup {
		2358	my ($make_core) = @_;
		2359
		2360	warn Carp::longmess "post_cleanup backtrace"
		2361	if $make_core;
		2362	}
2018		2363
2019	sub reload() {	2364	sub reload() {
2020	# can/must only be called in main	2365	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2366	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2367	warn "can only reload from main coroutine";
2023	return;	2368	return;
2024	}	2369	}
2025		2370
2026	warn "reloading...";	2371	warn "reloading...";
2027		2372
2028	my $guard = freeze_mainloop;	2373	warn "entering sync_job";
		2374
		2375	cf::sync_job {
		2376	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2377	cf::emergency_save;
		2378	cf::write_runtime; # external watchdog should not bark
2030		2379
2031	eval {	2380	warn "syncing database to disk";
		2381	BDB::db_env_txn_checkpoint $DB_ENV;
		2382
2032	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2033		2384
2034	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2388	}
2038		2389
		2390	warn "flushing outstanding aio requests";
		2391	for (;;) {
		2392	BDB::flush;
		2393	IO::AIO::flush;
		2394	Coro::cede;
		2395	last unless IO::AIO::nreqs || BDB::nreqs;
		2396	warn "iterate...";
		2397	}
		2398
2039	# cancel all extension coros	2399	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2400	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2401	%EXT_CORO = ();
2042		2402
2043	# unload all extensions	2403	warn "removing commands";
2044	for (@exts) {	2404	%COMMAND = ();
		2405
		2406	warn "removing ext commands";
		2407	%EXTCMD = ();
		2408
		2409	warn "unloading/nuking all extensions";
		2410	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2411	warn "... unloading $pkg";
2046	unload_extension $_;	2412
		2413	if (my $cb = $pkg->can ("unload")) {
		2414	eval {
		2415	$cb->($pkg);
		2416	1
		2417	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2418	}
2048		2419
		2420	warn "... nuking $pkg";
		2421	Symbol::delete_package $pkg;
		2422	}
		2423
2049	# unload all modules loaded from $LIBDIR	2424	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2425	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2427
2053	warn "removing <$k>";	2428	warn "... unloading $k";
2054	delete $INC{$k};	2429	delete $INC{$k};
2055		2430
2056	$k =~ s/\.pm$//;	2431	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2432	$k =~ s/\//::/g;
2058		2433
…		…
2061	}	2436	}
2062		2437
2063	Symbol::delete_package $k;	2438	Symbol::delete_package $k;
2064	}	2439	}
2065		2440
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2441	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2442	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2444
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2445	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2446	delete $INC{"cf.pm"};
2079		2447
2080	# don't, removes xs symbols, too,	2448	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2449	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2450	#Symbol::delete_package __PACKAGE__;
2083		2451
2084	# reload cf.pm	2452	warn "unload completed, starting to reload now";
		2453
2085	warn "reloading cf.pm";	2454	warn "reloading cf.pm";
2086	require cf;	2455	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2457
2089	# load config and database again	2458	warn "loading config and database again";
2090	cf::cfg_load;	2459	cf::cfg_load;
2091	cf::db_load;
2092		2460
2093	# load extensions
2094	warn "load extensions";	2461	warn "loading extensions";
2095	cf::load_extensions;	2462	cf::load_extensions;
2096		2463
2097	# reattach attachments to objects	2464	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2465	_global_reattach;
2100	};	2466	warn "reattaching attachments to maps";
		2467	reattach $_ for values %MAP;
2101		2468
2102	if ($@) {	2469	warn "loading reloadable resources";
		2470	load_resources;
		2471
		2472	warn "leaving sync_job";
		2473
		2474	1
		2475	} or do {
2103	warn $@;	2476	warn $@;
2104	warn "error while reloading, exiting.";	2477	warn "error while reloading, exiting.";
2105	exit 1;	2478	exit 1;
2106	}	2479	};
2107		2480
2108	warn "reloaded successfully";	2481	warn "reloaded";
2109	};	2482	};
2110		2483
2111	#############################################################################	2484	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} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2485
2156	register_command "reload" => sub {	2486	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2487	my ($who, $arg) = @_;
2158		2488
2159	if ($who->flag (FLAG_WIZ)) {	2489	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2490	$who->message ("reloading server.");
		2491
		2492	# doing reload synchronously and two reloads happen back-to-back,
		2493	# coro crashes during coro_state_free->destroy here.
		2494
		2495	$RELOAD_WATCHER ||= Event->timer (
		2496	reentrant => 0,
		2497	after => 0,
		2498	data => WF_AUTOCANCEL,
		2499	cb => sub {
2161	reload;	2500	reload;
2162	$who->message ("end of reload.");	2501	undef $RELOAD_WATCHER;
		2502	},
		2503	);
2163	}	2504	}
2164	};	2505	};
2165		2506
2166	unshift @INC, $LIBDIR;	2507	unshift @INC, $LIBDIR;
		2508
		2509	my $bug_warning = 0;
2167		2510
2168	$TICK_WATCHER = Event->timer (	2511	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2512	reentrant => 0,
		2513	parked => 1,
2170	prio => 0,	2514	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2515	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2516	data => WF_AUTOCANCEL,
2173	cb => sub {	2517	cb => sub {
		2518	if ($Coro::current != $Coro::main) {
		2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2520	unless ++$bug_warning > 10;
		2521	return;
		2522	}
		2523
		2524	$NOW = Event::time;
		2525
2174	cf::server_tick; # one server iteration	2526	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2527	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2528	$NEXT_TICK += $TICK;
		2529
		2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2531	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2532	Coro::async_pool {
		2533	write_runtime
		2534	or warn "ERROR: unable to write runtime file: $!";
		2535	};
		2536	}
		2537
		2538
		2539	$WAIT_FOR_TICK->broadcast;
		2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2541
		2542	# my $AFTER = Event::time;
		2543	# warn $AFTER - $NOW;#d#
2177		2544
2178	# if we are delayed by four ticks or more, skip them all	2545	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2547
2181	$TICK_WATCHER->at ($NEXT_TICK);	2548	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2549	$TICK_WATCHER->start;
2183	},	2550	},
2184	);	2551	);
2185		2552
		2553	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2554	BDB::max_poll_time $TICK * 0.1;
2187		2555	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2556	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2557	fd => BDB::poll_fileno,
2190	poll => 'r',	2558	poll => 'r',
2191	prio => 5,	2559	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2198	after => 0,	2561	cb => \&BDB::poll_cb,
2199	interval => 10,	2562	);
2200	cb => sub {	2563	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2564
2202	write_runtime	2565	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2566	my $status;
		2567	my $current = $Coro::current;
		2568	(
		2569	sub {
		2570	$status = $!;
		2571	$current->ready; undef $current;
		2572	},
		2573	sub {
		2574	Coro::schedule while defined $current;
		2575	$! = $status;
		2576	},
		2577	)
		2578	};
		2579
		2580	unless ($DB_ENV) {
		2581	$DB_ENV = BDB::db_env_create;
		2582
		2583	cf::sync_job {
		2584	eval {
		2585	BDB::db_env_open
		2586	$DB_ENV,
		2587	$BDB_ENV_DIR,
		2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2590	0666;
		2591
		2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2593
		2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2595	$DB_ENV->set_lk_detect;
		2596	};
		2597
		2598	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2599	};
2205	},	2600	}
2206	);	2601	}
		2602
		2603	{
		2604	IO::AIO::min_parallel 8;
		2605
		2606	undef $Coro::AIO::WATCHER;
		2607	IO::AIO::max_poll_time $TICK * 0.1;
		2608	$AIO_POLL_WATCHER = Event->io (
		2609	reentrant => 0,
		2610	data => WF_AUTOCANCEL,
		2611	fd => IO::AIO::poll_fileno,
		2612	poll => 'r',
		2613	prio => 6,
		2614	cb => \&IO::AIO::poll_cb,
		2615	);
		2616	}
2207		2617
2208	END { cf::emergency_save }	2618	END { cf::emergency_save }
2209		2619
2210	1	2620	1
2211		2621

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