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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
224	}	271	}
225		272
226	sub freeze_mainloop {	273	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
228		275
229	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
230	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
231	$guard	280	$guard
232	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
233		292
234	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
235		294
236	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
257		316
258	my $busy = 1;	317	my $busy = 1;
259	my @res;	318	my @res;
260		319
261	(Coro::async_pool {	320	(async {
262	@res = eval { $job->() };	321	@res = eval { $job->() };
263	warn $@ if $@;	322	warn $@ if $@;
264	undef $busy;	323	undef $busy;
265	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
266		325
267	while ($busy) {	326	while ($busy) {
268	Coro::cede_notself;	327	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	328	}
271		329
272	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
273	} else {	331	} else {
274	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
275		333
276	$job->()	334	$job->()
277	}	335	}
278	}	336	}
279		337
280	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
281		339
282	Creates (and readies) and returns a new coro. This coro is automcatially	340	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
284		342
285	=cut	343	=cut
286		344
287	sub coro(&) {	345	sub async_ext(&) {
288	my $cb = shift;	346	my $cb = shift;
289		347
290	my $coro = &Coro::async_pool ($cb);	348	my $coro = &Coro::async ($cb);
291		349
292	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
294	});	352	});
295	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
296		354
297	$coro	355	$coro
298	}	356	}
299		357
300	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
301	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
302		362
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	364	or return;
305		365
		366	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	371	and return;
309		372
		373	# always fsync - this file is important
310	aio_fsync $fh	374	aio_fsync $fh
311	and return;	375	and return;
312		376
313	close $fh	377	close $fh
314	or return;	378	or return;
…		…
320	}	384	}
321		385
322	=back	386	=back
323		387
324	=cut	388	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		389
446	#############################################################################	390	#############################################################################
447		391
448	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
449		393
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	520	our @CB_MAP = ();
577		521
578	my %attachment;	522	my %attachment;
579		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
580	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
582		532
583	use sort 'stable';	533	use sort 'stable';
584		534
…		…
755	# object support	705	# object support
756		706
757	sub reattach {	707	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		712
761	my $registry = $obj->registry;	713	my $registry = $obj->registry;
762		714
763	@$registry = ();	715	@$registry = ();
764		716
…		…
811	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
812		764
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	769	close $fh;
818		770
819	if (@$objs) {	771	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	777	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
827	}	779	}
828	} else {	780	} else {
829	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
896	=cut	848	=cut
897		849
898	sub register_extcmd {	850	sub register_extcmd {
899	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
900		852
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
905	}	854	}
906		855
907	cf::player->attach (	856	cf::player->attach (
908	on_command => sub {	857	on_command => sub {
909	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
922		871
923	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
924		873
925	if (ref $msg) {	874	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	878	}
930	}	879	}
931	} else {	880	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		883
935	cf::override;	884	cf::override;
936	},	885	},
937	);	886	);
938		887
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	888	sub load_extension {
946	my ($path) = @_;	889	my ($path) = @_;
947		890
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	892	my $base = $1;
950	my $pkg = $1;	893	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
953		896
954	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
955		898
956	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
957	or die "$path: $!";	900	or die "$path: $!";
958		901
959	my $source =	902	my $source =
960	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
963	. "\n};\n1";	906	. "\n};\n1";
964		907
965	eval $source	908	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	910	: "extension disabled.\n";
968		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	912	warn $@;
970	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
971		914	exit 1;
972	# no strict 'refs';	915	}
973	# @{"$pkg\::ISA"} = ext::;	916	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	917	}
988		918
989	# remove commands	919	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	920	}
1014		921
1015	sub load_extensions {	922	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	924	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1022	}	929	}
1023	}	930	}
1024		931
1025	#############################################################################	932	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		933
1063	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1064		935
1065	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1066		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1067	=head3 cf::player	944	=head3 cf::player
1068		945
1069	=over 4	946	=over 4
1070		947
1071	=item cf::player::exists $login	948	=item cf::player::find $login
1072		949
1073	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1074		951
1075	=cut	952	=cut
1076		953
1077	sub cf::player::exists($) {	954	sub playerdir($) {
1078	cf::player::find $_[0]	955	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1080	}	1110	}
1081		1111
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1113
1084	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1085		1115
1086	=cut	1116	=cut
1087		1117
1088	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1090		1120
1091	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1092		1122
1093	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1094	}	1124	}
		1125
		1126	package cf;
1095		1127
1096	=back	1128	=back
1097		1129
1098		1130
1099	=head3 cf::map	1131	=head3 cf::map
…		…
1105	package cf::map;	1137	package cf::map;
1106		1138
1107	use Fcntl;	1139	use Fcntl;
1108	use Coro::AIO;	1140	use Coro::AIO;
1109		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1110	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1112		1148
1113	sub generate_random_map {	1149	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1152	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1294	}
1131		1295
1132	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1133	# all maps in C++...	1297	# all maps in C++...
1134	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1136		1300
1137	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1139	}	1303	}
1140		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1141	sub try_load_header($) {	1313	sub load_header_from($) {
1142	my ($path) = @_;	1314	my ($self, $path) = @_;
1143		1315
1144	utf8::encode $path;	1316	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1146	or return;	1321	or return;
1147		1322
1148	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1149	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1150		1369
1151	# for better error messages only, will be overwritten	1370	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1371	}
1161		1372
1162	sub find;	1373	sub find;
1163	sub find {	1374	sub find {
1164	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1165		1376
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1378
1171	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1172		1380
1173	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1175		1383	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;	1384	or return;
1195		1385
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;	1386	$map->{last_save} = $cf::RUNTIME;
1208		1387
1209	Coro::cede;	1388	$map->load_header
		1389	or return;
1210		1390
1211	if ($map->should_reset) {	1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1394	$map->reset;
1213	undef $guard;	1395	undef $guard;
1214	$map = find $path	1396	return find $path;
1215	or return;
1216	}	1397	}
1217		1398
1218	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1219	}	1400	}
1220	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1221		1405
1222	sub load {	1406	sub load {
1223	my ($self) = @_;	1407	my ($self) = @_;
1224		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1225	my $path = $self->{path};	1411	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1227		1413
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1415
1230	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1231		1417
1232	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1233	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1423	or return;
1235		1424
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1426	if delete $self->{load_original};
1238		1427
1239	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1429	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1431	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1244	}	1433	}
1245	}	1434	}
1246		1435
1247	Coro::cede;	1436	Coro::cede;
1248		1437
1249	# now do the right thing for maps	1438	# now do the right thing for maps
1250	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1251		1440
1252	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1442	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1259	$self->set_darkness_map;	1446	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1262	$self->activate;	1450	$self->activate;
1263	}	1451	}
1264		1452
1265	Coro::cede;	1453	$self->post_load;
1266		1454
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
1268	}	1489	}
1269		1490
1270	sub find_sync {	1491	sub find_sync {
1271	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1272		1493
1273	cf::sync_job { cf::map::find $path, $origin }	1494	cf::sync_job { find $path, $origin }
1274	}	1495	}
1275		1496
1276	sub do_load_sync {	1497	sub do_load_sync {
1277	my ($map) = @_;	1498	my ($map) = @_;
1278		1499
1279	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1280	}	1501	}
1281		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
		1531	}
		1532
1282	sub save {	1533	sub save {
1283	my ($self) = @_;	1534	my ($self) = @_;
1284		1535
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1537
1287	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1288		1539
1289	return unless $self->dirty;	1540	return unless $self->dirty;
1290		1541
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1544
1294	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1295		1546
1296	return if $self->{deny_save};	1547	return if $self->{deny_save};
1297		1548
1298	local $self->{last_access} = $self->last_access;#d#	1549	local $self->{last_access} = $self->last_access;#d#
1299		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1300	if ($uniq) {	1555	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1558	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1560	}
1306	}	1561	}
1307		1562
1308	sub swap_out {	1563	sub swap_out {
1309	my ($self) = @_;	1564	my ($self) = @_;
…		…
1323		1578
1324	sub reset_at {	1579	sub reset_at {
1325	my ($self) = @_;	1580	my ($self) = @_;
1326		1581
1327	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1330		1585
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1588
…		…
1338	my ($self) = @_;	1593	my ($self) = @_;
1339		1594
1340	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1341	}	1596	}
1342		1597
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 {	1598	sub reset {
1365	my ($self) = @_;	1599	my ($self) = @_;
1366		1600
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1602
1369	return if $self->players;	1603	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1371		1605
1372	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1373		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1374	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1375		1621
1376	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1377		1623
1378	$self->unlink_save;	1624	$self->unlink_save;
1379	$self->destroy;	1625	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1383		1629
1384	sub nuke {	1630	sub nuke {
1385	my ($self) = @_;	1631	my ($self) = @_;
1386		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1390	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1391	}	1646	}
1392		1647
1393	sub customise_for {	1648	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1649
1396	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1398	}
1399		1652
1400	$map	1653	=cut
1401	}
1402		1654
1403	sub emergency_save {	1655	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1405		1658
1406	warn "enter emergency map save\n";	1659	my @paths;
1407		1660
1408	cf::sync_job {	1661	for (@$files) {
1409	warn "begin emergency map save\n";	1662	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1411	};	1667	}
1412		1668
1413	warn "end emergency map save\n";	1669	\@paths
1414	}	1670	}
1415		1671
1416	package cf;	1672	package cf;
1417		1673
1418	=back	1674	=back
1419		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1420		1702
1421	=head3 cf::object::player	1703	=head3 cf::object::player
1422		1704
1423	=over 4	1705	=over 4
1424		1706
…		…
1464		1746
1465	=item $player_object->enter_link	1747	=item $player_object->enter_link
1466		1748
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1750
1469	The player should be reaosnably safe there for short amounts of time. You	1751	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.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1471		1753
		1754	Will never block.
		1755
1472	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1473		1757
1474	Moves the player out of the specila link map onto the given map. If the	1758	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	1759	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,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1761	fails, to the emergency map position.
1478		1762
1479	Might block.	1763	Might block.
1480		1764
1481	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1482		1776
1483	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1778	my ($self) = @_;
1485		1779
1486	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1487		1781
1488	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1783
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1785	if $self->map;
1492		1786
1493	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1788	}
1495		1789
1496	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1498		1792
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1519		1813
1520	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1521		1816
		1817	return unless $self->contr->active;
1522	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1524	}	1822	}
1525		1823
1526	cf::player->attach (	1824	cf::player->attach (
1527	on_logout => sub {	1825	on_logout => sub {
…		…
1539		1837
1540	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1839	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1544	Coro::async_pool {	1842	(async {
		1843	$pl->ob->reply (undef,
		1844	"There was an internal problem at your last logout, "
		1845	. "the server will try to bring you to your intended destination in a second.",
		1846	cf::NDI_RED);
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
1547	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1549	};	1851	})->prio (2);
1550	}	1852	}
1551	},	1853	},
1552	);	1854	);
1553		1855
1554	=item $player_object->goto ($path, $x, $y)	1856	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1860	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1560		1862
1561	$self->enter_link;	1863	$self->enter_link;
1562		1864
1563	(Coro::async_pool {	1865	(async {
1564	$path = new cf::path $path;	1866	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1568		1869	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1872
1574	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1874	})->prio (1);
1576	}	1875	}
1577		1876
…		…
1581		1880
1582	sub parse_random_map_params {	1881	sub parse_random_map_params {
1583	my ($spec) = @_;	1882	my ($spec) = @_;
1584		1883
1585	my $rmp = { # defaults	1884	my $rmp = { # defaults
1586	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1588	};	1889	};
1589		1890
1590	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1592		1893
…		…
1596	$rmp	1897	$rmp
1597	}	1898	}
1598		1899
1599	sub prepare_random_map {	1900	sub prepare_random_map {
1600	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1904
1602	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1907	# that depends on the exit object
1605		1908
1606	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1607		1910
1608	if ($exit->map) {	1911	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1613	}	1916	}
1614		1917
1615	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1616		1919
1617	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1923
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1622		1928
1623	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1930	$exit->msg (undef);
1625	}	1931	}
1626	}	1932	}
…		…
1628	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1630		1936
1631	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
1632		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
		1947
1633	$self->enter_link;	1948	$self->enter_link;
1634		1949
1635	(Coro::async_pool {	1950	(async {
1636	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1952	unless (eval {
1638	prepare_random_map $exit	1953	$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		1954
1644	1;	1955	1;
1645	}) {	1956	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1961
1651	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1963	$self->leave_link;
1653	}	1964	}
…		…
1708	# get handled first	2019	# get handled first
1709	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2022
1712	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2025
1714	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1715		2027
1716	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2029	if (@$queue) {
…		…
1721	}	2033	}
1722	}	2034	}
1723	},	2035	},
1724	);	2036	);
1725		2037
1726	=item $client->coro (\&cb)	2038	=item $client->async (\&cb)
1727		2039
1728	Create a new coroutine, running the specified callback. The coroutine will	2040	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2041	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2042	or loss of connection).
1731		2043
1732	=cut	2044	=cut
1733		2045
1734	sub cf::client::coro {	2046	sub cf::client::async {
1735	my ($self, $cb) = @_;	2047	my ($self, $cb) = @_;
1736		2048
1737	my $coro = &Coro::async_pool ($cb);	2049	my $coro = &Coro::async ($cb);
1738		2050
1739	$coro->on_destroy (sub {	2051	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2052	delete $self->{_coro}{$coro+0};
1741	});	2053	});
1742		2054
…		…
1878	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2191	using it, it should be unique.
1880		2192
1881	=over 4	2193	=over 4
1882		2194
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	2195	=item $value = cf::db_get $family => $key
1890		2196
1891	Returns a single value from the database	2197	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		2198
1898	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1899		2200
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	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		2202
1911	=cut	2203	=cut
1912		2204
1913	our $DB;	2205	our $DB;
1914		2206
1915	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1916	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1917		2226
1918	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2231
1922	my $pid;	2232	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	}	2233	};
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	},	2234	}
1970	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2252	}
1972		2253
1973	#############################################################################	2254	#############################################################################
1974	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1975		2261
1976	sub cfg_load {	2262	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2264	or return;
1979		2265
1980	local $/;	2266	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2267	*CFG = YAML::Syck::Load <$fh>;
1982		2268
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2270
		2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2273
1985	if (exists $CFG{mlockall}) {	2274	if (exists $CFG{mlockall}) {
1986	eval {	2275	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2277	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2278	};
1990	warn $@ if $@;	2279	warn $@ if $@;
1991	}	2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
1992	}	2285	}
1993		2286
1994	sub main {	2287	sub main {
1995	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2291	(async {
1999	Event::one_event;	2292	Event::one_event;
2000	})->();	2293	})->prio (Coro::PRIO_MAX);
2001	};	2294	};
2002		2295
2003	cfg_load;	2296	cfg_load;
2004	db_load;	2297	db_init;
2005	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2006	Event::loop;	2301	Event::loop;
2007	}	2302	}
2008		2303
2009	#############################################################################	2304	#############################################################################
2010	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2011		2361
2012	sub reload() {	2362	sub reload() {
2013	# can/must only be called in main	2363	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2016	return;	2366	return;
2017	}	2367	}
2018		2368
2019	warn "reloading...";	2369	warn "reloading...";
2020		2370
2021	my $guard = freeze_mainloop;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2023		2377
2024	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2025	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2026		2382
2027	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2386	}
2031		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2032	# cancel all extension coros	2397	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2399	%EXT_CORO = ();
2035		2400
2036	# unload all extensions	2401	warn "removing commands";
2037	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2039	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2416	}
2041		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2042	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2425
2046	warn "removing <$k>";	2426	warn "... unloading $k";
2047	delete $INC{$k};	2427	delete $INC{$k};
2048		2428
2049	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2051		2431
…		…
2054	}	2434	}
2055		2435
2056	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2057	}	2437	}
2058		2438
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2442
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2072		2445
2073	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2447	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2076		2449
2077	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2078	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2079	require cf;	2453	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2455
2082	# load config and database again	2456	warn "loading config and database again";
2083	cf::cfg_load;	2457	cf::cfg_load;
2084	cf::db_load;
2085		2458
2086	# load extensions
2087	warn "load extensions";	2459	warn "loading extensions";
2088	cf::load_extensions;	2460	cf::load_extensions;
2089		2461
2090	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2463	_global_reattach;
2093	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2094		2466
2095	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2096	warn $@;	2474	warn $@;
2097	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2098	exit 1;	2476	exit 1;
2099	}	2477	};
2100		2478
2101	warn "reloaded successfully";	2479	warn "reloaded";
2102	};	2480	};
2103		2481
2104	#############################################################################	2482	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2483
2149	register_command "reload" => sub {	2484	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2151		2486
2152	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2154	reload;	2498	reload;
2155	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2156	}	2502	}
2157	};	2503	};
2158		2504
2159	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2160		2508
2161	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2163	prio => 0,	2512	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2166	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2167	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2170		2541
2171	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2544
2174	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2176	},	2547	},
2177	);	2548	);
2178		2549
		2550	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2180		2552	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2553	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2183	poll => 'r',	2555	poll => 'r',
2184	prio => 5,	2556	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2191	after => 0,	2558	cb => \&BDB::poll_cb,
2192	interval => 10,	2559	);
2193	cb => sub {	2560	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2561
2195	write_runtime	2562	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2596	};
2198	},	2597	}
2199	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2200		2614
2201	END { cf::emergency_save }	2615	END { cf::emergency_save }
2202		2616
2203	1	2617	1
2204		2618

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