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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 1.207 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 (2); # 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
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		36
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	Coro::cede_notself;	326	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	327	}
271		328
272	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
273	} else {	330	} else {
274	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
275		332
276	$job->()	333	$job->()
277	}	334	}
278	}	335	}
279		336
280	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
281		338
282	Creates (and readies) and returns a new coro. This coro is automcatially	339	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
284		341
285	=cut	342	=cut
286		343
287	sub coro(&) {	344	sub async_ext(&) {
288	my $cb = shift;	345	my $cb = shift;
289		346
290	my $coro = &Coro::async_pool ($cb);	347	my $coro = &Coro::async ($cb);
291		348
292	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
294	});	351	});
295	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
302		359
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	361	or return;
305		362
		363	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	368	and return;
309		369
		370	# always fsync - this file is important
310	aio_fsync $fh	371	aio_fsync $fh
311	and return;	372	and return;
312		373
313	close $fh	374	close $fh
314	or return;	375	or return;
…		…
320	}	381	}
321		382
322	=back	383	=back
323		384
324	=cut	385	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		386
446	#############################################################################	387	#############################################################################
447		388
448	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
449		390
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	517	our @CB_MAP = ();
577		518
578	my %attachment;	519	my %attachment;
579		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
580	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
582		529
583	use sort 'stable';	530	use sort 'stable';
584		531
…		…
755	# object support	702	# object support
756		703
757	sub reattach {	704	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		709
761	my $registry = $obj->registry;	710	my $registry = $obj->registry;
762		711
763	@$registry = ();	712	@$registry = ();
764		713
…		…
811	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
812		761
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	766	close $fh;
818		767
819	if (@$objs) {	768	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	774	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
827	}	776	}
828	} else {	777	} else {
829	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
835	}	784	}
836	} else {	785	} else {
837	aio_unlink $filename;	786	aio_unlink $filename;
838	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
839	}	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	}
840	}	795	}
841	}	796	}
842		797
843	sub object_freezer_as_string {	798	sub object_freezer_as_string {
844	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
850		805
851	sub object_thawer_load {	806	sub object_thawer_load {
852	my ($filename) = @_;	807	my ($filename) = @_;
853		808
854	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$//;
855		813
856	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
857	or return;	815	or return;
858		816
859	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
896	=cut	854	=cut
897		855
898	sub register_extcmd {	856	sub register_extcmd {
899	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
900		858
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
905	}	860	}
906		861
907	cf::player->attach (	862	cf::player->attach (
908	on_command => sub {	863	on_command => sub {
909	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
922		877
923	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
924		879
925	if (ref $msg) {	880	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	884	}
930	}	885	}
931	} else {	886	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		889
935	cf::override;	890	cf::override;
936	},	891	},
937	);	892	);
938		893
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	894	sub load_extension {
946	my ($path) = @_;	895	my ($path) = @_;
947		896
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	898	my $base = $1;
950	my $pkg = $1;	899	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
953		902
954	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
955		904
956	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
957	or die "$path: $!";	906	or die "$path: $!";
958		907
959	my $source =	908	my $source =
960	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
963	. "\n};\n1";	912	. "\n};\n1";
964		913
965	eval $source	914	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	916	: "extension disabled.\n";
968		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	918	warn $@;
970	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
971		920	exit 1;
972	# no strict 'refs';	921	}
973	# @{"$pkg\::ISA"} = ext::;	922	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	# }	923	}
988		924
989	# remove commands	925	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	}	926	}
1014		927
1015	sub load_extensions {	928	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	930	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1022	}	935	}
1023	}	936	}
1024		937
1025	#############################################################################	938	#############################################################################
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		939
1063	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1064		941
1065	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1066		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1067	=head3 cf::player	950	=head3 cf::player
1068		951
1069	=over 4	952	=over 4
1070		953
1071	=item cf::player::exists $login	954	=item cf::player::find $login
1072		955
1073	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1074		957
1075	=cut	958	=cut
1076		959
1077	sub cf::player::exists($) {	960	sub playerdir($) {
1078	cf::player::find $_[0]	961	cf::localdir
1079	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
1080	}	1108	}
1081		1109
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1111
1084	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1085		1113
1086	=cut	1114	=cut
1087		1115
1088	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1090		1118
1091	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1092		1120
1093	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1094	}	1122	}
		1123
		1124	package cf;
1095		1125
1096	=back	1126	=back
1097		1127
1098		1128
1099	=head3 cf::map	1129	=head3 cf::map
…		…
1105	package cf::map;	1135	package cf::map;
1106		1136
1107	use Fcntl;	1137	use Fcntl;
1108	use Coro::AIO;	1138	use Coro::AIO;
1109		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1110	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1112		1146
1113	sub generate_random_map {	1147	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1150	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1292	}
1131		1293
1132	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1133	# all maps in C++...	1295	# all maps in C++...
1134	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1136		1298
1137	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1139	}	1301	}
1140		1302
		1303	sub unlink_save {
		1304	my ($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
1141	sub try_load_header($) {	1316	sub load_header_from($) {
1142	my ($path) = @_;	1317	my ($self, $path) = @_;
1143		1318
1144	utf8::encode $path;	1319	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1146	or return;	1324	or return;
1147		1325
1148	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
1149	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1150		1372
1151	# for better error messages only, will be overwritten	1373	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1374	}
1161		1375
1162	sub find;	1376	sub find;
1163	sub find {	1377	sub find {
1164	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1165		1379
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1381
1171	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1172		1383
1173	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1175		1386	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;	1387	or return;
1195		1388
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;	1389	$map->{last_save} = $cf::RUNTIME;
1208		1390
1209	Coro::cede;	1391	$map->load_header
		1392	or return;
1210		1393
1211	if ($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;
1212	$map->reset;	1397	$map->reset;
1213	undef $guard;	1398	undef $guard;
1214	$map = find $path	1399	return find $path;
1215	or return;
1216	}	1400	}
1217		1401
1218	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1219	}	1403	}
1220	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1221		1408
1222	sub load {	1409	sub load {
1223	my ($self) = @_;	1410	my ($self) = @_;
1224		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1225	my $path = $self->{path};	1414	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1227		1416
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1418
1230	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1231		1420
1232	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1233	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1426	or return;
1235		1427
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1429	if delete $self->{load_original};
1238		1430
1239	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1432	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1434	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1244	}	1436	}
1245	}	1437	}
1246		1438
1247	Coro::cede;	1439	Coro::cede;
1248		1440
1249	# now do the right thing for maps	1441	# now do the right thing for maps
1250	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1251		1443
1252	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1445	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1259	$self->set_darkness_map;	1449	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1262	$self->activate;	1453	$self->activate;
1263	}	1454	}
1264		1455
1265	Coro::cede;	1456	$self->post_load;
1266		1457
1267	$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	$neigh->load;
		1491	}
1268	}	1492	}
1269		1493
1270	sub find_sync {	1494	sub find_sync {
1271	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1272		1496
1273	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1274	}	1498	}
1275		1499
1276	sub do_load_sync {	1500	sub do_load_sync {
1277	my ($map) = @_;	1501	my ($map) = @_;
1278		1502
1279	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1280	}	1504	}
1281		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	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1282	sub save {	1536	sub save {
1283	my ($self) = @_;	1537	my ($self) = @_;
1284		1538
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1540
1287	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1288		1542
1289	return unless $self->dirty;	1543	return unless $self->dirty;
1290		1544
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1547
1294	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1295		1549
1296	return if $self->{deny_save};	1550	return if $self->{deny_save};
1297		1551
1298	local $self->{last_access} = $self->last_access;#d#	1552	local $self->{last_access} = $self->last_access;#d#
1299		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1300	if ($uniq) {	1558	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1561	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1563	}
1306	}	1564	}
1307		1565
1308	sub swap_out {	1566	sub swap_out {
1309	my ($self) = @_;	1567	my ($self) = @_;
…		…
1323		1581
1324	sub reset_at {	1582	sub reset_at {
1325	my ($self) = @_;	1583	my ($self) = @_;
1326		1584
1327	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1330		1588
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1591
…		…
1338	my ($self) = @_;	1596	my ($self) = @_;
1339		1597
1340	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1341	}	1599	}
1342		1600
1343	sub unlink_save {
1344	my ($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	$self->save;
1362	}
1363
1364	sub reset {	1601	sub reset {
1365	my ($self) = @_;	1602	my ($self) = @_;
1366		1603
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1605
1369	return if $self->players;	1606	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1371		1608
1372	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1373		1610
1374	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1375		1615
1376	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1377		1617
1378	$self->unlink_save;	1618	$self->unlink_save;
1379	$self->destroy;	1619	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1383		1623
1384	sub nuke {	1624	sub nuke {
1385	my ($self) = @_;	1625	my ($self) = @_;
1386		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1390	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1391	}	1640	}
1392		1641
1393	sub customise_for {	1642	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1643
1396	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1398	}
1399		1646
1400	$map	1647	=cut
1401	}
1402		1648
1403	sub emergency_save {	1649	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1405		1652
1406	warn "enter emergency map save\n";	1653	my @paths;
1407		1654
1408	cf::sync_job {	1655	for (@$files) {
1409	warn "begin emergency map save\n";	1656	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1411	};	1661	}
1412		1662
1413	warn "end emergency map save\n";	1663	\@paths
1414	}	1664	}
1415		1665
1416	package cf;	1666	package cf;
1417		1667
1418	=back	1668	=back
1419		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
1420		1696
1421	=head3 cf::object::player	1697	=head3 cf::object::player
1422		1698
1423	=over 4	1699	=over 4
1424		1700
…		…
1464		1740
1465	=item $player_object->enter_link	1741	=item $player_object->enter_link
1466		1742
1467	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}>).
1468		1744
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1471		1747
		1748	Will never block.
		1749
1472	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1473		1751
1474	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1755	fails, to the emergency map position.
1478		1756
1479	Might block.	1757	Might block.
1480		1758
1481	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($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	$LINK_MAP
		1769	}
1482		1770
1483	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1772	my ($self) = @_;
1485		1773
1486	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1487		1775
1488	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1777
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1779	if $self->map;
1492		1780
1493	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1782	}
1495		1783
1496	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1498		1786
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1519		1807
1520	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1521		1810
		1811	return unless $self->contr->active;
1522	$self->activate_recursive;	1812	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1524	}	1814	}
1525		1815
1526	cf::player->attach (	1816	cf::player->attach (
…		…
1539		1829
1540	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1831	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1544	Coro::async_pool {	1834	(async {
1545	# 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
1546	# 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);
1547	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1549	};	1843	})->prio (2);
1550	}	1844	}
1551	},	1845	},
1552	);	1846	);
1553		1847
1554	=item $player_object->goto ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1560		1854
1561	$self->enter_link;	1855	$self->enter_link;
1562		1856
1563	(Coro::async_pool {	1857	(async {
1564	$path = new cf::path $path;	1858	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1568		1861	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1570	# if $map;
1571
1572	$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);
1573		1864
1574	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1866	})->prio (1);
1576	}	1867	}
1577		1868
…		…
1581		1872
1582	sub parse_random_map_params {	1873	sub parse_random_map_params {
1583	my ($spec) = @_;	1874	my ($spec) = @_;
1584		1875
1585	my $rmp = { # defaults	1876	my $rmp = { # defaults
1586	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1588	};	1881	};
1589		1882
1590	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1592		1885
…		…
1596	$rmp	1889	$rmp
1597	}	1890	}
1598		1891
1599	sub prepare_random_map {	1892	sub prepare_random_map {
1600	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1896
1602	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1899	# that depends on the exit object
1605		1900
1606	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1607		1902
1608	if ($exit->map) {	1903	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1613	}	1908	}
1614		1909
1615	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1616		1911
1617	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1915
1620	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) {
1621	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;
1622		1920
1623	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1922	$exit->msg (undef);
1625	}	1923	}
1626	}	1924	}
…		…
1628	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1630		1928
1631	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1632		1930
		1931	if ($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
1633	$self->enter_link;	1940	$self->enter_link;
1634		1941
1635	(Coro::async_pool {	1942	(async {
1636	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1944	unless (eval {
1638	prepare_random_map $exit	1945	$self->goto ($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		1946
1644	1;	1947	1;
1645	}) {	1948	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1953
1651	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1955	$self->leave_link;
1653	}	1956	}
…		…
1708	# get handled first	2011	# get handled first
1709	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2014
1712	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2017
1714	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1715		2019
1716	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2021	if (@$queue) {
…		…
1721	}	2025	}
1722	}	2026	}
1723	},	2027	},
1724	);	2028	);
1725		2029
1726	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1727		2031
1728	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2034	or loss of connection).
1731		2035
1732	=cut	2036	=cut
1733		2037
1734	sub cf::client::coro {	2038	sub cf::client::async {
1735	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1736		2040
1737	my $coro = &Coro::async_pool ($cb);	2041	my $coro = &Coro::async ($cb);
1738		2042
1739	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1741	});	2045	});
1742		2046
…		…
1936	sub db_sync() {	2240	sub db_sync() {
1937	db_save if $dirty;	2241	db_save if $dirty;
1938	undef $dirty;	2242	undef $dirty;
1939	}	2243	}
1940		2244
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1942	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1943	});	2252	);
1944		2253
1945	sub db_dirty() {	2254	sub db_dirty() {
1946	$dirty = 1;	2255	$dirty = 1;
1947	$idle->start;	2256	$idle->start;
1948	}	2257	}
…		…
1969	},	2278	},
1970	);	2279	);
1971	}	2280	}
1972		2281
1973	#############################################################################	2282	#############################################################################
1974	# 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	}
1975		2289
1976	sub cfg_load {	2290	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2292	or return;
1979		2293
1980	local $/;	2294	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
1982		2296
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2298
		2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2301
1985	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
1986	eval {	2303	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2306	};
1990	warn $@ if $@;	2307	warn $@ if $@;
1991	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
1992	}	2313	}
1993		2314
1994	sub main {	2315	sub main {
1995	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2319	(async {
1999	Event::one_event;	2320	Event::one_event;
2000	})->();	2321	})->prio (Coro::PRIO_MAX);
2001	};	2322	};
2002		2323
2003	cfg_load;	2324	cfg_load;
2004	db_load;	2325	db_load;
2005	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2006	Event::loop;	2329	Event::loop;
2007	}	2330	}
2008		2331
2009	#############################################################################	2332	#############################################################################
2010	# 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	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2011		2378
2012	sub reload() {	2379	sub reload() {
2013	# can/must only be called in main	2380	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2016	return;	2383	return;
2017	}	2384	}
2018		2385
2019	warn "reloading...";	2386	warn "reloading...";
2020		2387
2021	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2022	cf::emergency_save;	2391	cf::emergency_save;
2023		2392
2024	eval {	2393	eval {
2025	# 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
2026		2395
2027	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2402	}
2031		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
2032	# cancel all extension coros	2412	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2414	%EXT_CORO = ();
2035		2415
2036	# unload all extensions	2416	warn "removing commands";
2037	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2039	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: $@";
2040	}	2431	}
2041		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2042	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2440
2046	warn "removing <$k>";	2441	warn "... unloading $k";
2047	delete $INC{$k};	2442	delete $INC{$k};
2048		2443
2049	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2051		2446
…		…
2054	}	2449	}
2055		2450
2056	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2057	}	2452	}
2058		2453
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2065	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);
2066		2457
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2072		2460
2073	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2462	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2076		2464
2077	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2078	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2079	require cf;	2468	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2470
2082	# load config and database again	2471	warn "loading config and database again";
2083	cf::cfg_load;	2472	cf::cfg_load;
2084	cf::db_load;	2473	cf::db_load;
2085		2474
2086	# load extensions
2087	warn "load extensions";	2475	warn "loading extensions";
2088	cf::load_extensions;	2476	cf::load_extensions;
2089		2477
2090	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_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	$TICK_WATCHER->start;
2093	};	2489	};
2094		2490
2095	if ($@) {	2491	if ($@) {
2096	warn $@;	2492	warn $@;
2097	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2098	exit 1;	2494	exit 1;
2099	}	2495	}
2100		2496
2101	warn "reloaded successfully";	2497	warn "reloaded";
2102	};	2498	};
2103		2499
2104	#############################################################################	2500	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2501
2149	register_command "reload" => sub {	2502	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2151		2504
2152	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2516	reload;
2155	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2156	}	2520	}
2157	};	2521	};
2158		2522
2159	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2160		2526
2161	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2163	prio => 0,	2530	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2166	cb => sub {	2533	cb => sub {
		2534	if ($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
2167	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2169	$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#
2170		2554
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2557
2174	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2176	},	2560	},
2177	);	2561	);
2178		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;
2179	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2180		2614	$AIO_POLL_WATCHER = Event->io (
2181	Event->io (	2615	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2617	poll => 'r',
2184	prio => 5,	2618	prio => 6,
2185	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2187	);	2621	);
		2622	}
2188		2623
2189	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2191	after => 0,	2627	after => 1,
2192	interval => 10,	2628	interval => 10,
2193	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2195	write_runtime	2631	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2633	},
2199	);	2634	);
2200		2635
2201	END { cf::emergency_save }	2636	END { cf::emergency_save }
2202		2637

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