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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.210 by root, Mon Feb 12 01:32:49 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 $WRITE_RUNTIME_WATCHER;
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	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
231	$guard	282	$guard
232	}	283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
233		294
234	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
235		296
236	The design of crossfire+ requires that the main coro ($Coro::main) is	297	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	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	317	my $freeze_guard = freeze_mainloop;
257		318
258	my $busy = 1;	319	my $busy = 1;
259	my @res;	320	my @res;
260		321
261	(Coro::async_pool {	322	(async {
262	@res = eval { $job->() };	323	@res = eval { $job->() };
263	warn $@ if $@;	324	warn $@ if $@;
264	undef $busy;	325	undef $busy;
265	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
266		327
267	while ($busy) {	328	while ($busy) {
268	Coro::cede_notself;	329	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	330	}
271		331
272	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
273	} else {	333	} else {
274	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
275		335
276	$job->()	336	$job->()
277	}	337	}
278	}	338	}
279		339
280	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
281		341
282	Creates (and readies) and returns a new coro. This coro is automcatially	342	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
284		344
285	=cut	345	=cut
286		346
287	sub coro(&) {	347	sub async_ext(&) {
288	my $cb = shift;	348	my $cb = shift;
289		349
290	my $coro = &Coro::async_pool ($cb);	350	my $coro = &Coro::async ($cb);
291		351
292	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
294	});	354	});
295	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
302		362
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	364	or return;
305		365
		366	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	371	and return;
309		372
		373	# always fsync - this file is important
310	aio_fsync $fh	374	aio_fsync $fh
311	and return;	375	and return;
312		376
313	close $fh	377	close $fh
314	or return;	378	or return;
…		…
320	}	384	}
321		385
322	=back	386	=back
323		387
324	=cut	388	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		389
446	#############################################################################	390	#############################################################################
447		391
448	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
449		393
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	520	our @CB_MAP = ();
577		521
578	my %attachment;	522	my %attachment;
579		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
580	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
582		532
583	use sort 'stable';	533	use sort 'stable';
584		534
…		…
755	# object support	705	# object support
756		706
757	sub reattach {	707	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		712
761	my $registry = $obj->registry;	713	my $registry = $obj->registry;
762		714
763	@$registry = ();	715	@$registry = ();
764		716
…		…
811	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
812		764
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	769	close $fh;
818		770
819	if (@$objs) {	771	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	777	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
827	}	779	}
828	} else {	780	} else {
829	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
835	}	787	}
836	} else {	788	} else {
837	aio_unlink $filename;	789	aio_unlink $filename;
838	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
839	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
840	}	798	}
841	}	799	}
842		800
843	sub object_freezer_as_string {	801	sub object_freezer_as_string {
844	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
850		808
851	sub object_thawer_load {	809	sub object_thawer_load {
852	my ($filename) = @_;	810	my ($filename) = @_;
853		811
854	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
855		816
856	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
857	or return;	818	or return;
858		819
859	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
896	=cut	857	=cut
897		858
898	sub register_extcmd {	859	sub register_extcmd {
899	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
900		861
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
905	}	863	}
906		864
907	cf::player->attach (	865	cf::player->attach (
908	on_command => sub {	866	on_command => sub {
909	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
922		880
923	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
924		882
925	if (ref $msg) {	883	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	887	}
930	}	888	}
931	} else {	889	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		892
935	cf::override;	893	cf::override;
936	},	894	},
937	);	895	);
938		896
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	897	sub load_extension {
946	my ($path) = @_;	898	my ($path) = @_;
947		899
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	901	my $base = $1;
950	my $pkg = $1;	902	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
953		905
954	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
955		907
956	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
957	or die "$path: $!";	909	or die "$path: $!";
958		910
959	my $source =	911	my $source =
960	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
963	. "\n};\n1";	915	. "\n};\n1";
964		916
965	eval $source	917	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	919	: "extension disabled.\n";
968		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	921	warn $@;
970	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
971		923	exit 1;
972	# no strict 'refs';	924	}
973	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
988		927
989	# remove commands	928	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	}	929	}
1014		930
1015	sub load_extensions {	931	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	933	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1022	}	938	}
1023	}	939	}
1024		940
1025	#############################################################################	941	#############################################################################
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		942
1063	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1064		944
1065	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1066		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1067	=head3 cf::player	953	=head3 cf::player
1068		954
1069	=over 4	955	=over 4
1070		956
1071	=item cf::player::exists $login	957	=item cf::player::find $login
1072		958
1073	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1074		960
1075	=cut	961	=cut
1076		962
1077	sub cf::player::exists($) {	963	sub playerdir($) {
1078	cf::player::find $_[0]	964	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1080	}	1111	}
1081		1112
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1114
1084	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1085		1116
1086	=cut	1117	=cut
1087		1118
1088	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1090		1121
1091	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1092		1123
1093	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1094	}	1125	}
		1126
		1127	package cf;
1095		1128
1096	=back	1129	=back
1097		1130
1098		1131
1099	=head3 cf::map	1132	=head3 cf::map
…		…
1105	package cf::map;	1138	package cf::map;
1106		1139
1107	use Fcntl;	1140	use Fcntl;
1108	use Coro::AIO;	1141	use Coro::AIO;
1109		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1110	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1112		1149
1113	sub generate_random_map {	1150	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1153	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1295	}
1131		1296
1132	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1133	# all maps in C++...	1298	# all maps in C++...
1134	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1136		1301
1137	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1139	}	1304	}
1140		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1141	sub try_load_header($) {	1319	sub load_header_from($) {
1142	my ($path) = @_;	1320	my ($self, $path) = @_;
1143		1321
1144	utf8::encode $path;	1322	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1146	or return;	1327	or return;
1147		1328
1148	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1149	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1150		1375
1151	# for better error messages only, will be overwritten	1376	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1377	}
1161		1378
1162	sub find;	1379	sub find;
1163	sub find {	1380	sub find {
1164	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1165		1382
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1384
1171	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1172		1386
1173	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1175		1389	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;	1390	or return;
1195		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1208		1393
1209	Coro::cede;	1394	$map->load_header
		1395	or return;
1210		1396
1211	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1400	$map->reset;
1213	undef $guard;	1401	undef $guard;
1214	$map = find $path	1402	return find $path;
1215	or return;
1216	}	1403	}
1217		1404
1218	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1219	}	1406	}
1220	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1221		1411
1222	sub load {	1412	sub load {
1223	my ($self) = @_;	1413	my ($self) = @_;
1224		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1225	my $path = $self->{path};	1417	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1227		1419
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1421
1230	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1231		1423
1232	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1233	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1429	or return;
1235		1430
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1432	if delete $self->{load_original};
1238		1433
1239	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1435	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1437	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1244	}	1439	}
1245	}	1440	}
1246		1441
1247	Coro::cede;	1442	Coro::cede;
1248		1443
1249	# now do the right thing for maps	1444	# now do the right thing for maps
1250	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1251		1446
1252	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1448	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1259	$self->set_darkness_map;	1452	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1262	$self->activate;	1456	$self->activate;
1263	}	1457	}
1264		1458
1265	Coro::cede;	1459	$self->post_load;
1266		1460
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1268	}	1495	}
1269		1496
1270	sub find_sync {	1497	sub find_sync {
1271	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1272		1499
1273	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1274	}	1501	}
1275		1502
1276	sub do_load_sync {	1503	sub do_load_sync {
1277	my ($map) = @_;	1504	my ($map) = @_;
1278		1505
1279	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1280	}	1507	}
1281		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1282	sub save {	1539	sub save {
1283	my ($self) = @_;	1540	my ($self) = @_;
1284		1541
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1543
1287	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1288		1545
1289	return unless $self->dirty;	1546	return unless $self->dirty;
1290		1547
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1550
1294	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1295		1552
1296	return if $self->{deny_save};	1553	return if $self->{deny_save};
1297		1554
1298	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1299		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1300	if ($uniq) {	1561	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1564	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1566	}
1306	}	1567	}
1307		1568
1308	sub swap_out {	1569	sub swap_out {
1309	my ($self) = @_;	1570	my ($self) = @_;
…		…
1323		1584
1324	sub reset_at {	1585	sub reset_at {
1325	my ($self) = @_;	1586	my ($self) = @_;
1326		1587
1327	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1330		1591
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1594
…		…
1338	my ($self) = @_;	1599	my ($self) = @_;
1339		1600
1340	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1341	}	1602	}
1342		1603
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 {	1604	sub reset {
1365	my ($self) = @_;	1605	my ($self) = @_;
1366		1606
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1608
1369	return if $self->players;	1609	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1371		1611
1372	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1373		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1374	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1375		1627
1376	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1377		1629
1378	$self->unlink_save;	1630	$self->unlink_save;
1379	$self->destroy;	1631	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1383		1635
1384	sub nuke {	1636	sub nuke {
1385	my ($self) = @_;	1637	my ($self) = @_;
1386		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1390	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1391	}	1652	}
1392		1653
1393	sub customise_for {	1654	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1655
1396	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1398	}
1399		1658
1400	$map	1659	=cut
1401	}
1402		1660
1403	sub emergency_save {	1661	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1405		1664
1406	warn "enter emergency map save\n";	1665	my @paths;
1407		1666
1408	cf::sync_job {	1667	for (@$files) {
1409	warn "begin emergency map save\n";	1668	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1411	};	1673	}
1412		1674
1413	warn "end emergency map save\n";	1675	\@paths
1414	}	1676	}
1415		1677
1416	package cf;	1678	package cf;
1417		1679
1418	=back	1680	=back
1419		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1420		1708
1421	=head3 cf::object::player	1709	=head3 cf::object::player
1422		1710
1423	=over 4	1711	=over 4
1424		1712
…		…
1464		1752
1465	=item $player_object->enter_link	1753	=item $player_object->enter_link
1466		1754
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1756
1469	The player should be reaosnably safe there for short amounts of time. You	1757	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.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1471		1759
		1760	Will never block.
		1761
1472	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1473		1763
1474	Moves the player out of the specila link map onto the given map. If the	1764	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	1765	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,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1767	fails, to the emergency map position.
1478		1768
1479	Might block.	1769	Might block.
1480		1770
1481	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1482		1782
1483	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1784	my ($self) = @_;
1485		1785
1486	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1487		1787
1488	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1789
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1791	if $self->map;
1492		1792
1493	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1794	}
1495		1795
1496	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1498		1798
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1519		1819
1520	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1521		1822
		1823	return unless $self->contr->active;
1522	$self->activate_recursive;	1824	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1524	}	1826	}
1525		1827
1526	cf::player->attach (	1828	cf::player->attach (
…		…
1539		1841
1540	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1843	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1544	Coro::async_pool {	1846	(async {
1545	# we need this sleep as the login has a concurrent enter_exit running	1847	# 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	1848	# and this sleep increases chances of the player not ending up in scorn
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
1547	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1549	};	1855	})->prio (2);
1550	}	1856	}
1551	},	1857	},
1552	);	1858	);
1553		1859
1554	=item $player_object->goto ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1864	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1560		1866
1561	$self->enter_link;	1867	$self->enter_link;
1562		1868
1563	(Coro::async_pool {	1869	(async {
1564	$path = new cf::path $path;	1870	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1871	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1568		1873	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1876
1574	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1878	})->prio (1);
1576	}	1879	}
1577		1880
…		…
1581		1884
1582	sub parse_random_map_params {	1885	sub parse_random_map_params {
1583	my ($spec) = @_;	1886	my ($spec) = @_;
1584		1887
1585	my $rmp = { # defaults	1888	my $rmp = { # defaults
1586	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1588	};	1893	};
1589		1894
1590	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1592		1897
…		…
1596	$rmp	1901	$rmp
1597	}	1902	}
1598		1903
1599	sub prepare_random_map {	1904	sub prepare_random_map {
1600	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1908
1602	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1911	# that depends on the exit object
1605		1912
1606	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1607		1914
1608	if ($exit->map) {	1915	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1613	}	1920	}
1614		1921
1615	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1616		1923
1617	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1927
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1622		1932
1623	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1934	$exit->msg (undef);
1625	}	1935	}
1626	}	1936	}
…		…
1628	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1630		1940
1631	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1632		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1633	$self->enter_link;	1952	$self->enter_link;
1634		1953
1635	(Coro::async_pool {	1954	(async {
1636	$self->deactivate_recursive; # just to be sure	1955	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1956	unless (eval {
1638	prepare_random_map $exit	1957	$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		1958
1644	1;	1959	1;
1645	}) {	1960	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1965
1651	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1967	$self->leave_link;
1653	}	1968	}
…		…
1708	# get handled first	2023	# get handled first
1709	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2026
1712	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2029
1714	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1715		2031
1716	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2033	if (@$queue) {
…		…
1721	}	2037	}
1722	}	2038	}
1723	},	2039	},
1724	);	2040	);
1725		2041
1726	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1727		2043
1728	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2046	or loss of connection).
1731		2047
1732	=cut	2048	=cut
1733		2049
1734	sub cf::client::coro {	2050	sub cf::client::async {
1735	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1736		2052
1737	my $coro = &Coro::async_pool ($cb);	2053	my $coro = &Coro::async ($cb);
1738		2054
1739	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1741	});	2057	});
1742		2058
…		…
1878	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2195	using it, it should be unique.
1880		2196
1881	=over 4	2197	=over 4
1882		2198
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	2199	=item $value = cf::db_get $family => $key
1890		2200
1891	Returns a single value from the database	2201	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		2202
1898	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1899		2204
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1911	=cut	2207	=cut
1912		2208
1913	our $DB;	2209	our $DB;
1914		2210
1915	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1916	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1917		2230
1918	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2235
1922	my $pid;	2236	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	}	2237	};
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	},	2238	}
1970	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2256	}
1972		2257
1973	#############################################################################	2258	#############################################################################
1974	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1975		2265
1976	sub cfg_load {	2266	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2268	or return;
1979		2269
1980	local $/;	2270	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
1982		2272
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
1985	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
1986	eval {	2279	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2282	};
1990	warn $@ if $@;	2283	warn $@ if $@;
1991	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1992	}	2289	}
1993		2290
1994	sub main {	2291	sub main {
1995	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2295	(async {
1999	Event::one_event;	2296	Event::one_event;
2000	})->();	2297	})->prio (Coro::PRIO_MAX);
2001	};	2298	};
2002		2299
2003	cfg_load;	2300	cfg_load;
2004	db_load;	2301	db_init;
2005	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2006	Event::loop;	2305	Event::loop;
2007	}	2306	}
2008		2307
2009	#############################################################################	2308	#############################################################################
2010	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2011		2358
2012	sub reload() {	2359	sub reload() {
2013	# can/must only be called in main	2360	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2016	return;	2363	return;
2017	}	2364	}
2018		2365
2019	warn "reloading...";	2366	warn "reloading...";
2020		2367
2021	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2022	cf::emergency_save;	2371	cf::emergency_save;
2023		2372
2024	eval {	2373	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2026		2375
2027	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2379	}
2031		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
2032	# cancel all extension coros	2393	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2395	%EXT_CORO = ();
2035		2396
2036	# unload all extensions	2397	warn "removing commands";
2037	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2405	warn "... unloading $pkg";
2039	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2412	}
2041		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
2042	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2421
2046	warn "removing <$k>";	2422	warn "... unloading $k";
2047	delete $INC{$k};	2423	delete $INC{$k};
2048		2424
2049	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
2051		2427
…		…
2054	}	2430	}
2055		2431
2056	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
2057	}	2433	}
2058		2434
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2438
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
2072		2441
2073	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2443	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
2076		2445
2077	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
2078	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
2079	require cf;	2449	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2451
2082	# load config and database again	2452	warn "loading config and database again";
2083	cf::cfg_load;	2453	cf::cfg_load;
2084	cf::db_load;
2085		2454
2086	# load extensions
2087	warn "load extensions";	2455	warn "loading extensions";
2088	cf::load_extensions;	2456	cf::load_extensions;
2089		2457
2090	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2093	};	2469	};
2094		2470
2095	if ($@) {	2471	if ($@) {
2096	warn $@;	2472	warn $@;
2097	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2098	exit 1;	2474	exit 1;
2099	}	2475	}
2100		2476
2101	warn "reloaded successfully";	2477	warn "reloaded";
2102	};	2478	};
2103		2479
2104	#############################################################################	2480	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2481
2149	register_command "reload" => sub {	2482	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2151		2484
2152	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2154	reload;	2496	reload;
2155	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2156	}	2500	}
2157	};	2501	};
2158		2502
2159	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2160		2506
2161	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2163	prio => 0,	2510	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2166	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2167	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2170		2534
2171	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2537
2174	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2176	},	2540	},
2177	);	2541	);
2178		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2179	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2180		2598	$AIO_POLL_WATCHER = Event->io (
2181	Event->io (	2599	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2601	poll => 'r',
2184	prio => 5,	2602	prio => 6,
2185	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2187	);	2605	);
		2606	}
2188		2607
2189	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2191	after => 0,	2611	after => 1,
2192	interval => 10,	2612	interval => 10,
2193	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2195	write_runtime	2615	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2617	},
2199	);	2618	);
2200		2619
2201	END { cf::emergency_save }	2620	END { cf::emergency_save }
2202		2621

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