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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 1.211 by root, Tue Feb 13 16:23:32 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;
296		356
297	$coro	357	$coro
298	}	358	}
299		359
300	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
301	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
302		364
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	366	or return;
305		367
		368	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	373	and return;
309		374
		375	# always fsync - this file is important
310	aio_fsync $fh	376	aio_fsync $fh
311	and return;	377	and return;
312		378
313	close $fh	379	close $fh
314	or return;	380	or return;
…		…
320	}	386	}
321		387
322	=back	388	=back
323		389
324	=cut	390	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		391
446	#############################################################################	392	#############################################################################
447		393
448	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
449		395
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	522	our @CB_MAP = ();
577		523
578	my %attachment;	524	my %attachment;
579		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
580	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
582		534
583	use sort 'stable';	535	use sort 'stable';
584		536
…		…
755	# object support	707	# object support
756		708
757	sub reattach {	709	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		714
761	my $registry = $obj->registry;	715	my $registry = $obj->registry;
762		716
763	@$registry = ();	717	@$registry = ();
764		718
…		…
811	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
812		766
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	771	close $fh;
818		772
819	if (@$objs) {	773	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	779	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
827	}	781	}
828	} else {	782	} else {
829	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
835	}	789	}
836	} else {	790	} else {
837	aio_unlink $filename;	791	aio_unlink $filename;
838	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
839	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
840	}	800	}
841	}	801	}
842		802
843	sub object_freezer_as_string {	803	sub object_freezer_as_string {
844	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
850		810
851	sub object_thawer_load {	811	sub object_thawer_load {
852	my ($filename) = @_;	812	my ($filename) = @_;
853		813
854	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
855		818
856	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
857	or return;	820	or return;
858		821
859	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
896	=cut	859	=cut
897		860
898	sub register_extcmd {	861	sub register_extcmd {
899	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
900		863
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
905	}	865	}
906		866
907	cf::player->attach (	867	cf::player->attach (
908	on_command => sub {	868	on_command => sub {
909	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
922		882
923	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
924		884
925	if (ref $msg) {	885	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	889	}
930	}	890	}
931	} else {	891	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		894
935	cf::override;	895	cf::override;
936	},	896	},
937	);	897	);
938		898
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	899	sub load_extension {
946	my ($path) = @_;	900	my ($path) = @_;
947		901
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	903	my $base = $1;
950	my $pkg = $1;	904	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
953		907
954	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
955		909
956	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
957	or die "$path: $!";	911	or die "$path: $!";
958		912
959	my $source =	913	my $source =
960	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
963	. "\n};\n1";	917	. "\n};\n1";
964		918
965	eval $source	919	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	921	: "extension disabled.\n";
968		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	923	warn $@;
970	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
971		925	exit 1;
972	# no strict 'refs';	926	}
973	# @{"$pkg\::ISA"} = ext::;	927	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	# }	928	}
988		929
989	# remove commands	930	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	}	931	}
1014		932
1015	sub load_extensions {	933	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	935	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1022	}	940	}
1023	}	941	}
1024		942
1025	#############################################################################	943	#############################################################################
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		944
1063	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1064		946
1065	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1066		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1067	=head3 cf::player	955	=head3 cf::player
1068		956
1069	=over 4	957	=over 4
1070		958
1071	=item cf::player::exists $login	959	=item cf::player::find $login
1072		960
1073	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1074		962
1075	=cut	963	=cut
1076		964
1077	sub cf::player::exists($) {	965	sub playerdir($) {
1078	cf::player::find $_[0]	966	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1080	}	1113	}
1081		1114
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1116
1084	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1085		1118
1086	=cut	1119	=cut
1087		1120
1088	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1090		1123
1091	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1092		1125
1093	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1094	}	1127	}
		1128
		1129	package cf;
1095		1130
1096	=back	1131	=back
1097		1132
1098		1133
1099	=head3 cf::map	1134	=head3 cf::map
…		…
1105	package cf::map;	1140	package cf::map;
1106		1141
1107	use Fcntl;	1142	use Fcntl;
1108	use Coro::AIO;	1143	use Coro::AIO;
1109		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1110	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1112		1151
1113	sub generate_random_map {	1152	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1155	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1297	}
1131		1298
1132	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1133	# all maps in C++...	1300	# all maps in C++...
1134	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1136		1303
1137	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1139	}	1306	}
1140		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1141	sub try_load_header($) {	1321	sub load_header_from($) {
1142	my ($path) = @_;	1322	my ($self, $path) = @_;
1143		1323
1144	utf8::encode $path;	1324	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1146	or return;	1329	or return;
1147		1330
1148	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1149	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1150		1377
1151	# for better error messages only, will be overwritten	1378	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1379	}
1161		1380
1162	sub find;	1381	sub find;
1163	sub find {	1382	sub find {
1164	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1165		1384
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1386
1171	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1172		1388
1173	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1175		1391	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;	1392	or return;
1195		1393
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;	1394	$map->{last_save} = $cf::RUNTIME;
1208		1395
1209	Coro::cede;	1396	$map->load_header
		1397	or return;
1210		1398
1211	if ($map->should_reset) {	1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1402	$map->reset;
1213	undef $guard;	1403	undef $guard;
1214	$map = find $path	1404	return find $path;
1215	or return;
1216	}	1405	}
1217		1406
1218	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1219	}	1408	}
1220	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1221		1413
1222	sub load {	1414	sub load {
1223	my ($self) = @_;	1415	my ($self) = @_;
1224		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1225	my $path = $self->{path};	1419	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1227		1421
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1423
1230	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1231		1425
1232	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1233	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1431	or return;
1235		1432
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1434	if delete $self->{load_original};
1238		1435
1239	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1437	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1439	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1244	}	1441	}
1245	}	1442	}
1246		1443
1247	Coro::cede;	1444	Coro::cede;
1248		1445
1249	# now do the right thing for maps	1446	# now do the right thing for maps
1250	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1251		1448
1252	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1450	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1259	$self->set_darkness_map;	1454	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1262	$self->activate;	1458	$self->activate;
1263	}	1459	}
1264		1460
1265	Coro::cede;	1461	$self->post_load;
1266		1462
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
1268	}	1497	}
1269		1498
1270	sub find_sync {	1499	sub find_sync {
1271	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1272		1501
1273	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1274	}	1503	}
1275		1504
1276	sub do_load_sync {	1505	sub do_load_sync {
1277	my ($map) = @_;	1506	my ($map) = @_;
1278		1507
1279	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1280	}	1509	}
1281		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
		1539	}
		1540
1282	sub save {	1541	sub save {
1283	my ($self) = @_;	1542	my ($self) = @_;
1284		1543
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1545
1287	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1288		1547
1289	return unless $self->dirty;	1548	return unless $self->dirty;
1290		1549
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1552
1294	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1295		1554
1296	return if $self->{deny_save};	1555	return if $self->{deny_save};
1297		1556
1298	local $self->{last_access} = $self->last_access;#d#	1557	local $self->{last_access} = $self->last_access;#d#
1299		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1300	if ($uniq) {	1563	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1566	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1568	}
1306	}	1569	}
1307		1570
1308	sub swap_out {	1571	sub swap_out {
1309	my ($self) = @_;	1572	my ($self) = @_;
…		…
1323		1586
1324	sub reset_at {	1587	sub reset_at {
1325	my ($self) = @_;	1588	my ($self) = @_;
1326		1589
1327	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1330		1593
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1596
…		…
1338	my ($self) = @_;	1601	my ($self) = @_;
1339		1602
1340	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1341	}	1604	}
1342		1605
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 {	1606	sub reset {
1365	my ($self) = @_;	1607	my ($self) = @_;
1366		1608
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1610
1369	return if $self->players;	1611	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1371		1613
1372	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1373		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1374	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1375		1629
1376	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1377		1631
1378	$self->unlink_save;	1632	$self->unlink_save;
1379	$self->destroy;	1633	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1383		1637
1384	sub nuke {	1638	sub nuke {
1385	my ($self) = @_;	1639	my ($self) = @_;
1386		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1390	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1391	}	1654	}
1392		1655
1393	sub customise_for {	1656	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1657
1396	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1398	}
1399		1660
1400	$map	1661	=cut
1401	}
1402		1662
1403	sub emergency_save {	1663	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1405		1666
1406	warn "enter emergency map save\n";	1667	my @paths;
1407		1668
1408	cf::sync_job {	1669	for (@$files) {
1409	warn "begin emergency map save\n";	1670	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1411	};	1675	}
1412		1676
1413	warn "end emergency map save\n";	1677	\@paths
1414	}	1678	}
1415		1679
1416	package cf;	1680	package cf;
1417		1681
1418	=back	1682	=back
1419		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1420		1710
1421	=head3 cf::object::player	1711	=head3 cf::object::player
1422		1712
1423	=over 4	1713	=over 4
1424		1714
…		…
1464		1754
1465	=item $player_object->enter_link	1755	=item $player_object->enter_link
1466		1756
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1758
1469	The player should be reaosnably safe there for short amounts of time. You	1759	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.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1471		1761
		1762	Will never block.
		1763
1472	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1473		1765
1474	Moves the player out of the specila link map onto the given map. If the	1766	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	1767	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,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1769	fails, to the emergency map position.
1478		1770
1479	Might block.	1771	Might block.
1480		1772
1481	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1482		1784
1483	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1786	my ($self) = @_;
1485		1787
1486	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1487		1789
1488	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1791
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1793	if $self->map;
1492		1794
1493	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1796	}
1495		1797
1496	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1498		1800
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1519		1821
1520	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1521		1824
		1825	return unless $self->contr->active;
1522	$self->activate_recursive;	1826	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1524	}	1828	}
1525		1829
1526	cf::player->attach (	1830	cf::player->attach (
…		…
1539		1843
1540	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1845	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1544	Coro::async_pool {	1848	(async {
1545	# we need this sleep as the login has a concurrent enter_exit running	1849	# 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	1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
1547	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1549	};	1857	})->prio (2);
1550	}	1858	}
1551	},	1859	},
1552	);	1860	);
1553		1861
1554	=item $player_object->goto ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1560		1868
1561	$self->enter_link;	1869	$self->enter_link;
1562		1870
1563	(Coro::async_pool {	1871	(async {
1564	$path = new cf::path $path;	1872	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1568		1875	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1878
1574	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1880	})->prio (1);
1576	}	1881	}
1577		1882
…		…
1581		1886
1582	sub parse_random_map_params {	1887	sub parse_random_map_params {
1583	my ($spec) = @_;	1888	my ($spec) = @_;
1584		1889
1585	my $rmp = { # defaults	1890	my $rmp = { # defaults
1586	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1588	};	1895	};
1589		1896
1590	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1592		1899
…		…
1596	$rmp	1903	$rmp
1597	}	1904	}
1598		1905
1599	sub prepare_random_map {	1906	sub prepare_random_map {
1600	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1910
1602	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1913	# that depends on the exit object
1605		1914
1606	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1607		1916
1608	if ($exit->map) {	1917	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1613	}	1922	}
1614		1923
1615	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1616		1925
1617	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1929
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1622		1934
1623	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1936	$exit->msg (undef);
1625	}	1937	}
1626	}	1938	}
…		…
1628	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1630		1942
1631	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1632		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1633	$self->enter_link;	1954	$self->enter_link;
1634		1955
1635	(Coro::async_pool {	1956	(async {
1636	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1958	unless (eval {
1638	prepare_random_map $exit	1959	$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		1960
1644	1;	1961	1;
1645	}) {	1962	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1967
1651	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1969	$self->leave_link;
1653	}	1970	}
…		…
1708	# get handled first	2025	# get handled first
1709	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2028
1712	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2031
1714	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1715		2033
1716	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2035	if (@$queue) {
…		…
1721	}	2039	}
1722	}	2040	}
1723	},	2041	},
1724	);	2042	);
1725		2043
1726	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1727		2045
1728	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2048	or loss of connection).
1731		2049
1732	=cut	2050	=cut
1733		2051
1734	sub cf::client::coro {	2052	sub cf::client::async {
1735	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1736		2054
1737	my $coro = &Coro::async_pool ($cb);	2055	my $coro = &Coro::async ($cb);
1738		2056
1739	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1741	});	2059	});
1742		2060
…		…
1878	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2197	using it, it should be unique.
1880		2198
1881	=over 4	2199	=over 4
1882		2200
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	2201	=item $value = cf::db_get $family => $key
1890		2202
1891	Returns a single value from the database	2203	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		2204
1898	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1899		2206
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	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		2208
1911	=cut	2209	=cut
1912		2210
1913	our $DB;	2211	our $DB;
1914		2212
1915	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1916	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1917		2232
1918	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2237
1922	my $pid;	2238	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	}	2239	};
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	},	2240	}
1970	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2258	}
1972		2259
1973	#############################################################################	2260	#############################################################################
1974	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1975		2267
1976	sub cfg_load {	2268	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2270	or return;
1979		2271
1980	local $/;	2272	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
1982		2274
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
1985	if (exists $CFG{mlockall}) {	2280	if (exists $CFG{mlockall}) {
1986	eval {	2281	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2283	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2284	};
1990	warn $@ if $@;	2285	warn $@ if $@;
1991	}	2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1992	}	2291	}
1993		2292
1994	sub main {	2293	sub main {
1995	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2297	(async {
1999	Event::one_event;	2298	Event::one_event;
2000	})->();	2299	})->prio (Coro::PRIO_MAX);
2001	};	2300	};
2002		2301
2003	cfg_load;	2302	cfg_load;
2004	db_load;	2303	db_init;
2005	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2006	Event::loop;	2307	Event::loop;
2007	}	2308	}
2008		2309
2009	#############################################################################	2310	#############################################################################
2010	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2011		2367
2012	sub reload() {	2368	sub reload() {
2013	# can/must only be called in main	2369	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2016	return;	2372	return;
2017	}	2373	}
2018		2374
2019	warn "reloading...";	2375	warn "reloading...";
2020		2376
2021	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2022	cf::emergency_save;	2380	cf::emergency_save;
2023		2381
2024	eval {	2382	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2026		2384
2027	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2388	}
2031		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2032	# cancel all extension coros	2402	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2404	%EXT_CORO = ();
2035		2405
2036	# unload all extensions	2406	warn "removing commands";
2037	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2039	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2421	}
2041		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2042	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2430
2046	warn "removing <$k>";	2431	warn "... unloading $k";
2047	delete $INC{$k};	2432	delete $INC{$k};
2048		2433
2049	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2051		2436
…		…
2054	}	2439	}
2055		2440
2056	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2057	}	2442	}
2058		2443
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2447
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2072		2450
2073	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2452	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2076		2454
2077	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2078	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2079	require cf;	2458	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2460
2082	# load config and database again	2461	warn "loading config and database again";
2083	cf::cfg_load;	2462	cf::cfg_load;
2084	cf::db_load;
2085		2463
2086	# load extensions
2087	warn "load extensions";	2464	warn "loading extensions";
2088	cf::load_extensions;	2465	cf::load_extensions;
2089		2466
2090	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2093	};	2478	};
2094		2479
2095	if ($@) {	2480	if ($@) {
2096	warn $@;	2481	warn $@;
2097	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2098	exit 1;	2483	exit 1;
2099	}	2484	}
2100		2485
2101	warn "reloaded successfully";	2486	warn "reloaded";
2102	};	2487	};
2103		2488
2104	#############################################################################	2489	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2490
2149	register_command "reload" => sub {	2491	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2151		2493
2152	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2154	reload;	2505	reload;
2155	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2156	}	2509	}
2157	};	2510	};
2158		2511
2159	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2160		2515
2161	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2163	prio => 0,	2519	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2166	cb => sub {	2522	cb => sub {
		2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2167	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2170		2543
2171	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2546
2174	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2176	},	2549	},
2177	);	2550	);
2178		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2179	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2180		2607	$AIO_POLL_WATCHER = Event->io (
2181	Event->io (	2608	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2610	poll => 'r',
2184	prio => 5,	2611	prio => 6,
2185	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2187	);	2614	);
		2615	}
2188		2616
2189	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2191	after => 0,	2620	after => 1,
2192	interval => 10,	2621	interval => 10,
2193	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2195	write_runtime	2624	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2626	},
2199	);	2627	);
2200		2628
2201	END { cf::emergency_save }	2629	END { cf::emergency_save }
2202		2630

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