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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.207 by root, Sun Feb 11 22:42:09 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;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		36
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
		64	our %PLAYER; # all users
52	our %MAP; # all maps	65	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		75
57	binmode STDOUT;	76	binmode STDOUT;
58	binmode STDERR;	77	binmode STDERR;
59		78
60	# read virtual server time, if available	79	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	86	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
72		92
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
76		96
77	#############################################################################	97	#############################################################################
78		98
79	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
80		100
…		…
104		124
105	=item %cf::CFG	125	=item %cf::CFG
106		126
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
109		136
110	=back	137	=back
111		138
112	=cut	139	=cut
113		140
…		…
117	utf8::encode $msg;	144	utf8::encode $msg;
118		145
119	$msg .= "\n"	146	$msg .= "\n"
120	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
121		148
122	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
123	};	150	};
124	}	151	}
125		152
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		172
146	$Event::DIED = sub {	173	$Event::DIED = sub {
147	warn "error in event callback: @_";	174	warn "error in event callback: @_";
148	};	175	};
149		176
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
155		178
156	=over 4	179	=over 4
157		180
		181	=item dumpval $ref
		182
158	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
159		203
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		205
162	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
163		207
…		…
224	}	268	}
225		269
226	sub freeze_mainloop {	270	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
228		272
229	my $guard = Coro::guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
231	$guard	279	$guard
232	}	280	}
		281
		282	=item cf::async { BLOCK }
		283
		284	Currently the same as Coro::async_pool, meaning you cannot use
		285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
		287
		288	=cut
		289
		290	BEGIN { *async = \&Coro::async_pool }
233		291
234	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
235		293
236	The design of crossfire+ requires that the main coro ($Coro::main) is	294	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	295	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	314	my $freeze_guard = freeze_mainloop;
257		315
258	my $busy = 1;	316	my $busy = 1;
259	my @res;	317	my @res;
260		318
261	(Coro::async_pool {	319	(async {
262	@res = eval { $job->() };	320	@res = eval { $job->() };
263	warn $@ if $@;	321	warn $@ if $@;
264	undef $busy;	322	undef $busy;
265	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
266		324
267	while ($busy) {	325	while ($busy) {
268	unless (Coro::cede) {	326	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	327	}
273		328
274	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
275	} else {	330	} else {
276	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
277		332
278	$job->()	333	$job->()
279	}	334	}
280	}	335	}
281		336
282	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
283		338
284	Creates (and readies) and returns a new coro. This coro is automcatially	339	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
286		341
287	=cut	342	=cut
288		343
289	sub coro(&) {	344	sub async_ext(&) {
290	my $cb = shift;	345	my $cb = shift;
291		346
292	my $coro = &Coro::async_pool ($cb);	347	my $coro = &Coro::async ($cb);
293		348
294	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
296	});	351	});
297	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
303	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
304		359
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	361	or return;
307		362
		363	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	368	and return;
311		369
		370	# always fsync - this file is important
312	aio_fsync $fh	371	aio_fsync $fh
313	and return;	372	and return;
314		373
315	close $fh	374	close $fh
316	or return;	375	or return;
…		…
322	}	381	}
323		382
324	=back	383	=back
325		384
326	=cut	385	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		386
448	#############################################################################	387	#############################################################################
449		388
450	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
451		390
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	517	our @CB_MAP = ();
579		518
580	my %attachment;	519	my %attachment;
581		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
582	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
584		529
585	use sort 'stable';	530	use sort 'stable';
586		531
…		…
757	# object support	702	# object support
758		703
759	sub reattach {	704	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		709
763	my $registry = $obj->registry;	710	my $registry = $obj->registry;
764		711
765	@$registry = ();	712	@$registry = ();
766		713
…		…
813	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
814		761
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	766	close $fh;
820		767
821	if (@$objs) {	768	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	774	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
829	}	776	}
830	} else {	777	} else {
831	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
837	}	784	}
838	} else {	785	} else {
839	aio_unlink $filename;	786	aio_unlink $filename;
840	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
841	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
842	}	795	}
843	}	796	}
844		797
845	sub object_freezer_as_string {	798	sub object_freezer_as_string {
846	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
852		805
853	sub object_thawer_load {	806	sub object_thawer_load {
854	my ($filename) = @_;	807	my ($filename) = @_;
855		808
856	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
857		813
858	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
859	or return;	815	or return;
860		816
861	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
898	=cut	854	=cut
899		855
900	sub register_extcmd {	856	sub register_extcmd {
901	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
902		858
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
907	}	860	}
908		861
909	cf::player->attach (	862	cf::player->attach (
910	on_command => sub {	863	on_command => sub {
911	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
924		877
925	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
926		879
927	if (ref $msg) {	880	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	884	}
932	}	885	}
933	} else {	886	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		889
937	cf::override;	890	cf::override;
938	},	891	},
939	);	892	);
940		893
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	894	sub load_extension {
948	my ($path) = @_;	895	my ($path) = @_;
949		896
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	898	my $base = $1;
952	my $pkg = $1;	899	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
955		902
956	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
957		904
958	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
959	or die "$path: $!";	906	or die "$path: $!";
960		907
961	my $source =	908	my $source =
962	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
965	. "\n};\n1";	912	. "\n};\n1";
966		913
967	eval $source	914	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	916	: "extension disabled.\n";
970		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	918	warn $@;
972	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
973		920	exit 1;
974	# no strict 'refs';	921	}
975	# @{"$pkg\::ISA"} = ext::;	922	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	923	}
990		924
991	# remove commands	925	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	926	}
1016		927
1017	sub load_extensions {	928	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	930	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1024	}	935	}
1025	}	936	}
1026		937
1027	#############################################################################	938	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		939
1065	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1066		941
1067	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1068		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1069	=head3 cf::player	950	=head3 cf::player
1070		951
1071	=over 4	952	=over 4
1072		953
1073	=item cf::player::exists $login	954	=item cf::player::find $login
1074		955
1075	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1076		957
1077	=cut	958	=cut
1078		959
1079	sub cf::player::exists($) {	960	sub playerdir($) {
1080	cf::player::find $_[0]	961	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
		968	sub path($) {
		969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		970
		971	(playerdir $login) . "/$login.pl"
		972	}
		973
		974	sub find_active($) {
		975	$cf::PLAYER{$_[0]}
		976	and $cf::PLAYER{$_[0]}->active
		977	and $cf::PLAYER{$_[0]}
		978	}
		979
		980	sub exists($) {
		981	my ($login) = @_;
		982
		983	$cf::PLAYER{$login}
		984	or cf::sync_job { !aio_stat path $login }
		985	}
		986
		987	sub find($) {
		988	return $cf::PLAYER{$_[0]} || do {
		989	my $login = $_[0];
		990
		991	my $guard = cf::lock_acquire "user_find:$login";
		992
		993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
		998	}
		999	}
		1000
		1001	sub save($) {
		1002	my ($pl) = @_;
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	my $path = path $pl;
		1007	my $guard = cf::lock_acquire "user_save:$path";
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
		1012	$pl->{last_save} = $cf::RUNTIME;
		1013
		1014	$pl->save_pl ($path);
		1015	Coro::cede;
		1016	}
		1017
		1018	sub new($) {
		1019	my ($login) = @_;
		1020
		1021	my $self = create;
		1022
		1023	$self->ob->name ($login);
		1024	$self->{deny_save} = 1;
		1025
		1026	$cf::PLAYER{$login} = $self;
		1027
		1028	$self
		1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1082	}	1108	}
1083		1109
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1111
1086	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1087		1113
1088	=cut	1114	=cut
1089		1115
1090	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1092		1118
1093	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1094		1120
1095	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1096	}	1122	}
		1123
		1124	package cf;
1097		1125
1098	=back	1126	=back
1099		1127
1100		1128
1101	=head3 cf::map	1129	=head3 cf::map
…		…
1107	package cf::map;	1135	package cf::map;
1108		1136
1109	use Fcntl;	1137	use Fcntl;
1110	use Coro::AIO;	1138	use Coro::AIO;
1111		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1112	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1114		1146
1115	sub generate_random_map {	1147	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1150	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1292	}
1133		1293
1134	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1135	# all maps in C++...	1295	# all maps in C++...
1136	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1138		1298
1139	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1141	}	1301	}
1142		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1143	sub try_load_header($) {	1316	sub load_header_from($) {
1144	my ($path) = @_;	1317	my ($self, $path) = @_;
1145		1318
1146	utf8::encode $path;	1319	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1148	or return;	1324	or return;
1149		1325
1150	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1151	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1152		1372
1153	# for better error messages only, will be overwritten	1373	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1374	}
1163		1375
1164	sub find;	1376	sub find;
1165	sub find {	1377	sub find {
1166	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1167		1379
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1381
1173	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1174		1383
1175	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1177		1386	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1387	or return;
1197		1388
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1210		1390
1211	Coro::cede;	1391	$map->load_header
		1392	or return;
1212		1393
1213	if ($map->should_reset) {	1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1397	$map->reset;
1215	undef $guard;	1398	undef $guard;
1216	$map = find $path	1399	return find $path;
1217	or return;
1218	}	1400	}
1219		1401
1220	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1221	}	1403	}
1222	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1223		1408
1224	sub load {	1409	sub load {
1225	my ($self) = @_;	1410	my ($self) = @_;
1226		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1227	my $path = $self->{path};	1414	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1229		1416
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1418
1232	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1233		1420
1234	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1235	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1426	or return;
1237		1427
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1429	if delete $self->{load_original};
1240		1430
1241	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1432	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1434	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1246	}	1436	}
1247	}	1437	}
1248		1438
1249	Coro::cede;	1439	Coro::cede;
1250		1440
1251	# now do the right thing for maps	1441	# now do the right thing for maps
1252	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1253		1443
1254	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1445	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1261	$self->set_darkness_map;	1449	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1264	$self->activate;	1453	$self->activate;
1265	}	1454	}
1266		1455
1267	Coro::cede;	1456	$self->post_load;
1268		1457
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1270	}	1492	}
1271		1493
1272	sub find_sync {	1494	sub find_sync {
1273	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1274		1496
1275	cf::sync_job {	1497	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1498	}
1280		1499
1281	sub do_load_sync {	1500	sub do_load_sync {
1282	my ($map) = @_;	1501	my ($map) = @_;
1283		1502
1284	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1285	}	1504	}
1286		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1287	sub save {	1536	sub save {
1288	my ($self) = @_;	1537	my ($self) = @_;
1289		1538
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1540
1292	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1293		1542
1294	return unless $self->dirty;	1543	return unless $self->dirty;
1295		1544
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1547
1299	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1300		1549
1301	return if $self->{deny_save};	1550	return if $self->{deny_save};
1302		1551
1303	local $self->{last_access} = $self->last_access;#d#	1552	local $self->{last_access} = $self->last_access;#d#
1304		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1305	if ($uniq) {	1558	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1561	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1563	}
1311	}	1564	}
1312		1565
1313	sub swap_out {	1566	sub swap_out {
1314	my ($self) = @_;	1567	my ($self) = @_;
…		…
1328		1581
1329	sub reset_at {	1582	sub reset_at {
1330	my ($self) = @_;	1583	my ($self) = @_;
1331		1584
1332	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1335		1588
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1591
…		…
1343	my ($self) = @_;	1596	my ($self) = @_;
1344		1597
1345	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1346	}	1599	}
1347		1600
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1601	sub reset {
1370	my ($self) = @_;	1602	my ($self) = @_;
1371		1603
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1605
1374	return if $self->players;	1606	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1376		1608
1377	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1378		1610
1379	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1380		1615
1381	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1382		1617
1383	$self->unlink_save;	1618	$self->unlink_save;
1384	$self->destroy;	1619	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1388		1623
1389	sub nuke {	1624	sub nuke {
1390	my ($self) = @_;	1625	my ($self) = @_;
1391		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1395	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1396	}	1640	}
1397		1641
1398	sub customise_for {	1642	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1643
1401	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1403	}
1404		1646
1405	$map	1647	=cut
1406	}
1407		1648
1408	sub emergency_save {	1649	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1410		1652
1411	warn "enter emergency map save\n";	1653	my @paths;
1412		1654
1413	cf::sync_job {	1655	for (@$files) {
1414	warn "begin emergency map save\n";	1656	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1416	};	1661	}
1417		1662
1418	warn "end emergency map save\n";	1663	\@paths
1419	}	1664	}
1420		1665
1421	package cf;	1666	package cf;
1422		1667
1423	=back	1668	=back
1424		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1425		1696
1426	=head3 cf::object::player	1697	=head3 cf::object::player
1427		1698
1428	=over 4	1699	=over 4
1429		1700
…		…
1469		1740
1470	=item $player_object->enter_link	1741	=item $player_object->enter_link
1471		1742
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1744
1474	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1476		1747
		1748	Will never block.
		1749
1477	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1478		1751
1479	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1755	fails, to the emergency map position.
1483		1756
1484	Might block.	1757	Might block.
1485		1758
1486	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1487		1770
1488	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1772	my ($self) = @_;
1490		1773
1491	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1492		1775
1493	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1777
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1779	if $self->map;
1497		1780
1498	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1782	}
1500		1783
1501	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1503		1786
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1524		1807
1525	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1526		1810
		1811	return unless $self->contr->active;
1527	$self->activate_recursive;	1812	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1529	}	1814	}
1530		1815
1531	cf::player->attach (	1816	cf::player->attach (
…		…
1543	my ($pl) = @_;	1828	my ($pl) = @_;
1544		1829
1545	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1831	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1550	(Coro::async_pool {	1834	(async {
1551	# we need this sleep as the login has a concurrent enter_exit running	1835	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1836	# and this sleep increases chances of the player not ending up in scorn
		1837	$pl->ob->reply (undef,
		1838	"There was an internal problem at your last logout, "
		1839	. "the server will try to bring you to your intended destination in a second.",
		1840	cf::NDI_RED);
1553	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1555	})->prio (2);	1843	})->prio (2);
1556	}	1844	}
1557	},	1845	},
…		…
1564	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1566		1854
1567	$self->enter_link;	1855	$self->enter_link;
1568		1856
1569	(Coro::async_pool {	1857	(async {
1570	$path = new cf::path $path;	1858	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1574		1861	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1864
1580	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1866	})->prio (1);
1582	}	1867	}
1583		1868
…		…
1587		1872
1588	sub parse_random_map_params {	1873	sub parse_random_map_params {
1589	my ($spec) = @_;	1874	my ($spec) = @_;
1590		1875
1591	my $rmp = { # defaults	1876	my $rmp = { # defaults
1592	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1594	};	1881	};
1595		1882
1596	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1598		1885
…		…
1602	$rmp	1889	$rmp
1603	}	1890	}
1604		1891
1605	sub prepare_random_map {	1892	sub prepare_random_map {
1606	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1896
1608	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1899	# that depends on the exit object
1611		1900
1612	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1613		1902
1614	if ($exit->map) {	1903	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1619	}	1908	}
1620		1909
1621	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1622		1911
1623	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1915
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1628		1920
1629	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1922	$exit->msg (undef);
1631	}	1923	}
1632	}	1924	}
…		…
1634	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1636		1928
1637	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1638		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1639	$self->enter_link;	1940	$self->enter_link;
1640		1941
1641	(Coro::async_pool {	1942	(async {
1642	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1944	unless (eval {
1644	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1946
1650	1;	1947	1;
1651	}) {	1948	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1953
1657	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1955	$self->leave_link;
1659	}	1956	}
…		…
1714	# get handled first	2011	# get handled first
1715	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2014
1718	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2017
1720	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1721		2019
1722	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2021	if (@$queue) {
…		…
1727	}	2025	}
1728	}	2026	}
1729	},	2027	},
1730	);	2028	);
1731		2029
1732	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1733		2031
1734	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2034	or loss of connection).
1737		2035
1738	=cut	2036	=cut
1739		2037
1740	sub cf::client::coro {	2038	sub cf::client::async {
1741	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1742		2040
1743	my $coro = &Coro::async_pool ($cb);	2041	my $coro = &Coro::async ($cb);
1744		2042
1745	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1747	});	2045	});
1748		2046
…		…
1942	sub db_sync() {	2240	sub db_sync() {
1943	db_save if $dirty;	2241	db_save if $dirty;
1944	undef $dirty;	2242	undef $dirty;
1945	}	2243	}
1946		2244
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1948	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1949	});	2252	);
1950		2253
1951	sub db_dirty() {	2254	sub db_dirty() {
1952	$dirty = 1;	2255	$dirty = 1;
1953	$idle->start;	2256	$idle->start;
1954	}	2257	}
…		…
1975	},	2278	},
1976	);	2279	);
1977	}	2280	}
1978		2281
1979	#############################################################################	2282	#############################################################################
1980	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
1981		2289
1982	sub cfg_load {	2290	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2292	or return;
1985		2293
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2301
1994	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
1995	eval {	2303	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2306	};
1999	warn $@ if $@;	2307	warn $@ if $@;
2000	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2001	}	2313	}
2002		2314
2003	sub main {	2315	sub main {
2004	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2319	(async {
		2320	Event::one_event;
		2321	})->prio (Coro::PRIO_MAX);
2008	};	2322	};
2009		2323
2010	cfg_load;	2324	cfg_load;
2011	db_load;	2325	db_load;
2012	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2013	Event::loop;	2329	Event::loop;
2014	}	2330	}
2015		2331
2016	#############################################################################	2332	#############################################################################
2017	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2018		2378
2019	sub reload() {	2379	sub reload() {
2020	# can/must only be called in main	2380	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2023	return;	2383	return;
2024	}	2384	}
2025		2385
2026	warn "reloading...";	2386	warn "reloading...";
2027		2387
2028	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2029	cf::emergency_save;	2391	cf::emergency_save;
2030		2392
2031	eval {	2393	eval {
2032	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2033		2395
2034	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2402	}
2038		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2039	# cancel all extension coros	2412	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2414	%EXT_CORO = ();
2042		2415
2043	# unload all extensions	2416	warn "removing commands";
2044	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2046	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2431	}
2048		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2049	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2440
2053	warn "removing <$k>";	2441	warn "... unloading $k";
2054	delete $INC{$k};	2442	delete $INC{$k};
2055		2443
2056	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2058		2446
…		…
2061	}	2449	}
2062		2450
2063	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2064	}	2452	}
2065		2453
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2457
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2079		2460
2080	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2462	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2083		2464
2084	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2085	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2086	require cf;	2468	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2470
2089	# load config and database again	2471	warn "loading config and database again";
2090	cf::cfg_load;	2472	cf::cfg_load;
2091	cf::db_load;	2473	cf::db_load;
2092		2474
2093	# load extensions
2094	warn "load extensions";	2475	warn "loading extensions";
2095	cf::load_extensions;	2476	cf::load_extensions;
2096		2477
2097	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2100	};	2489	};
2101		2490
2102	if ($@) {	2491	if ($@) {
2103	warn $@;	2492	warn $@;
2104	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2105	exit 1;	2494	exit 1;
2106	}	2495	}
2107		2496
2108	warn "reloaded successfully";	2497	warn "reloaded";
2109	};	2498	};
2110		2499
2111	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2501
2156	register_command "reload" => sub {	2502	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2158		2504
2159	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2161	reload;	2516	reload;
2162	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2163	}	2520	}
2164	};	2521	};
2165		2522
2166	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2167		2526
2168	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2170	prio => 0,	2530	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2173	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2174	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2177		2554
2178	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2557
2181	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2183	},	2560	},
2184	);	2561	);
2185		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	$DB_ENV->set_lk_detect;
		2605	};
		2606	}
		2607	}
		2608
		2609	{
		2610	IO::AIO::min_parallel 8;
		2611
		2612	undef $Coro::AIO::WATCHER;
2186	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2187		2614	$AIO_POLL_WATCHER = Event->io (
2188	Event->io (	2615	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2617	poll => 'r',
2191	prio => 5,	2618	prio => 6,
2192	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2194	);	2621	);
		2622	}
2195		2623
2196	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2197	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2198	after => 0,	2627	after => 1,
2199	interval => 10,	2628	interval => 10,
2200	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2202	write_runtime	2631	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2633	},
2206	);	2634	);
2207		2635
2208	END { cf::emergency_save }	2636	END { cf::emergency_save }
2209		2637

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