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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.200 by root, Mon Jan 29 17:57:22 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 Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$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		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
221	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
223	}	260	}
224	}	261	}
225		262
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	263	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
244		265
245	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
246	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
247	$guard	272	$guard
248	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
307		341
308	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
310	});	344	});
311	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
317	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
318		352
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	354	or return;
321		355
		356	my $value = $cf::RUNTIME + 90 + 10;
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	361	and return;
325		362
326	aio_fsync $fh	363	aio_fsync $fh
327	and return;	364	and return;
…		…
336	}	373	}
337		374
338	=back	375	=back
339		376
340	=cut	377	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		378
462	#############################################################################	379	#############################################################################
463		380
464	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
465		382
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	509	our @CB_MAP = ();
593		510
594	my %attachment;	511	my %attachment;
595		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
596	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
598		521
599	use sort 'stable';	522	use sort 'stable';
600		523
…		…
771	# object support	694	# object support
772		695
773	sub reattach {	696	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		701
777	my $registry = $obj->registry;	702	my $registry = $obj->registry;
778		703
779	@$registry = ();	704	@$registry = ();
780		705
…		…
851	}	776	}
852	} else {	777	} else {
853	aio_unlink $filename;	778	aio_unlink $filename;
854	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
855	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
856	}	787	}
857	}	788	}
858		789
859	sub object_freezer_as_string {	790	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
866		797
867	sub object_thawer_load {	798	sub object_thawer_load {
868	my ($filename) = @_;	799	my ($filename) = @_;
869		800
870	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
871		805
872	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
873	or return;	807	or return;
874		808
875	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
912	=cut	846	=cut
913		847
914	sub register_extcmd {	848	sub register_extcmd {
915	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
916		850
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
921	}	852	}
922		853
923	cf::player->attach (	854	cf::player->attach (
924	on_command => sub {	855	on_command => sub {
925	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
938		869
939	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
940		871
941	if (ref $msg) {	872	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	876	}
946	}	877	}
947	} else {	878	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		881
951	cf::override;	882	cf::override;
952	},	883	},
953	);	884	);
954		885
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	886	sub load_extension {
962	my ($path) = @_;	887	my ($path) = @_;
963		888
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	890	my $base = $1;
966	my $pkg = $1;	891	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
969		894
970	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
971		896
972	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
973	or die "$path: $!";	898	or die "$path: $!";
974		899
975	my $source =	900	my $source =
976	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
979	. "\n};\n1";	904	. "\n};\n1";
980		905
981	eval $source	906	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	908	: "extension disabled.\n";
984		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	910	warn $@;
986	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
987		912	exit 1;
988	# no strict 'refs';	913	}
989	# @{"$pkg\::ISA"} = ext::;	914	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	915	}
1004		916
1005	# remove commands	917	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	918	}
1030		919
1031	sub load_extensions {	920	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	922	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1038	}	927	}
1039	}	928	}
1040		929
1041	#############################################################################	930	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		931
1079	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1080		933
1081	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1082		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1083	=head3 cf::player	942	=head3 cf::player
1084		943
1085	=over 4	944	=over 4
1086		945
1087	=item cf::player::exists $login	946	=item cf::player::find $login
1088		947
1089	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1090		949
1091	=cut	950	=cut
1092		951
1093	sub cf::player::exists($) {	952	sub playerdir($) {
1094	cf::player::find $_[0]	953	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1096	}	1098	}
1097		1099
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1101
1100	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1101		1103
1102	=cut	1104	=cut
1103		1105
1104	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1106		1108
1107	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1108		1110
1109	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1110	}	1112	}
		1113
		1114	package cf;
1111		1115
1112	=back	1116	=back
1113		1117
1114		1118
1115	=head3 cf::map	1119	=head3 cf::map
…		…
1121	package cf::map;	1125	package cf::map;
1122		1126
1123	use Fcntl;	1127	use Fcntl;
1124	use Coro::AIO;	1128	use Coro::AIO;
1125		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1126	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1128		1136
1129	sub generate_random_map {	1137	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1140	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1282	}
1147		1283
1148	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1149	# all maps in C++...	1285	# all maps in C++...
1150	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1152		1288
1153	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1155	}	1291	}
1156		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1157	sub try_load_header($) {	1306	sub load_header_from($) {
1158	my ($path) = @_;	1307	my ($self, $path) = @_;
1159		1308
1160	utf8::encode $path;	1309	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1162	or return;	1314	or return;
1163		1315
1164	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1165	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1166		1362
1167	# for better error messages only, will be overwritten	1363	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1364	}
1177		1365
1178	sub find;	1366	sub find;
1179	sub find {	1367	sub find {
1180	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1181		1369
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1371
1187	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1188		1373
1189	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1191		1376	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1377	or return;
1211		1378
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1379	$map->{last_save} = $cf::RUNTIME;
1224		1380
1225	Coro::cede;	1381	$map->load_header
		1382	or return;
1226		1383
1227	if ($map->should_reset) {	1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1387	$map->reset;
1229	undef $guard;	1388	undef $guard;
1230	$map = find $path	1389	return find $path;
1231	or return;
1232	}	1390	}
1233		1391
1234	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1235	}	1393	}
1236	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1237		1398
1238	sub load {	1399	sub load {
1239	my ($self) = @_;	1400	my ($self) = @_;
1240		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1241	my $path = $self->{path};	1404	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1243		1406
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1408
1246	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1247		1410
1248	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1249	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1416	or return;
1251		1417
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1419	if delete $self->{load_original};
1254		1420
1255	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1422	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1424	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1260	}	1426	}
1261	}	1427	}
1262		1428
1263	Coro::cede;	1429	Coro::cede;
1264		1430
1265	# now do the right thing for maps	1431	# now do the right thing for maps
1266	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1267		1433
1268	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1435	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1275	$self->set_darkness_map;	1439	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1278	$self->activate;	1443	$self->activate;
1279	}	1444	}
1280		1445
1281	Coro::cede;	1446	$self->post_load;
1282		1447
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
		1449	}
		1450
		1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
1284	}	1482	}
1285		1483
1286	sub find_sync {	1484	sub find_sync {
1287	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1288		1486
1289	cf::sync_job { cf::map::find $path, $origin }	1487	cf::sync_job { find $path, $origin }
1290	}	1488	}
1291		1489
1292	sub do_load_sync {	1490	sub do_load_sync {
1293	my ($map) = @_;	1491	my ($map) = @_;
1294		1492
1295	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1296	}	1494	}
1297		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
		1514	$map->load;
		1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
		1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
		1524	}
		1525
1298	sub save {	1526	sub save {
1299	my ($self) = @_;	1527	my ($self) = @_;
1300		1528
		1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1530
1301	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1302		1532
1303	return unless $self->dirty;	1533	return unless $self->dirty;
1304		1534
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1537
1308	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1309		1539
1310	return if $self->{deny_save};	1540	return if $self->{deny_save};
1311		1541
1312	local $self->{last_access} = $self->last_access;#d#	1542	local $self->{last_access} = $self->last_access;#d#
1313		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1314	if ($uniq) {	1548	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1551	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1553	}
1320	}	1554	}
1321		1555
1322	sub swap_out {	1556	sub swap_out {
1323	my ($self) = @_;	1557	my ($self) = @_;
1324		1558
1325	# save first because save cedes	1559	# save first because save cedes
1326	$self->save;	1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1563
1328	return if $self->players;	1564	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1566	return if $self->{deny_save};
1331		1567
…		…
1335		1571
1336	sub reset_at {	1572	sub reset_at {
1337	my ($self) = @_;	1573	my ($self) = @_;
1338		1574
1339	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1342		1578
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1581
…		…
1350	my ($self) = @_;	1586	my ($self) = @_;
1351		1587
1352	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1353	}	1589	}
1354		1590
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1591	sub reset {
1377	my ($self) = @_;	1592	my ($self) = @_;
1378		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1379	return if $self->players;	1596	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1381		1598
1382	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1383		1600
1384	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1385		1605
1386	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1387		1607
1388	$self->unlink_save;	1608	$self->unlink_save;
1389	$self->destroy;	1609	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1393		1613
1394	sub nuke {	1614	sub nuke {
1395	my ($self) = @_;	1615	my ($self) = @_;
1396		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1400	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1401	}	1630	}
1402		1631
1403	sub customise_for {	1632	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1633
1406	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1408	}
1409		1636
1410	$map	1637	=cut
1411	}
1412		1638
1413	sub emergency_save {	1639	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1415		1642
1416	warn "enter emergency map save\n";	1643	my @paths;
1417		1644
1418	cf::sync_job {	1645	for (@$files) {
1419	warn "begin emergency map save\n";	1646	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1421	};	1651	}
1422		1652
1423	warn "end emergency map save\n";	1653	\@paths
1424	}	1654	}
1425		1655
1426	package cf;	1656	package cf;
1427		1657
1428	=back	1658	=back
1429		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1430		1686
1431	=head3 cf::object::player	1687	=head3 cf::object::player
1432		1688
1433	=over 4	1689	=over 4
1434		1690
…		…
1474		1730
1475	=item $player_object->enter_link	1731	=item $player_object->enter_link
1476		1732
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1734
1479	The player should be reaosnably safe there for short amounts of time. You	1735	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1481		1737
		1738	Will never block.
		1739
1482	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1483		1741
1484	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1745	fails, to the emergency map position.
1488		1746
1489	Might block.	1747	Might block.
1490		1748
1491	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1492		1760
1493	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1762	my ($self) = @_;
1495		1763
1496	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1497		1765
1498	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1767
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1769	if $self->map;
1502		1770
1503	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1772	}
1505		1773
1506	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1508		1776
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1529		1797
1530	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1531		1800
		1801	return unless $self->contr->active;
1532	$self->activate_recursive;	1802	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1534	}	1804	}
1535		1805
1536	cf::player->attach (	1806	cf::player->attach (
…		…
1549		1819
1550	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1821	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1554	cf::async {	1824	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1825	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1559	};	1833	})->prio (2);
1560	}	1834	}
1561	},	1835	},
1562	);	1836	);
1563		1837
1564	=item $player_object->goto_map ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1565		1839
1566	=cut	1840	=cut
1567		1841
1568	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1570		1844
1571	$self->enter_link;	1845	$self->enter_link;
1572		1846
1573	(cf::async {	1847	(async {
1574	$path = new cf::path $path;	1848	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1578		1851	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1854
1584	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1856	})->prio (1);
1586	}	1857	}
1587		1858
…		…
1591		1862
1592	sub parse_random_map_params {	1863	sub parse_random_map_params {
1593	my ($spec) = @_;	1864	my ($spec) = @_;
1594		1865
1595	my $rmp = { # defaults	1866	my $rmp = { # defaults
1596	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1598	};	1871	};
1599		1872
1600	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1602		1875
…		…
1606	$rmp	1879	$rmp
1607	}	1880	}
1608		1881
1609	sub prepare_random_map {	1882	sub prepare_random_map {
1610	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1886
1612	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1889	# that depends on the exit object
1615		1890
1616	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1617		1892
1618	if ($exit->map) {	1893	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1623	}	1898	}
1624		1899
1625	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1626		1901
1627	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1905
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1632		1910
1633	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1912	$exit->msg (undef);
1635	}	1913	}
1636	}	1914	}
…		…
1638	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1640		1918
1641	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1642		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1643	$self->enter_link;	1930	$self->enter_link;
1644		1931
1645	(cf::async {	1932	(async {
1646	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1934	unless (eval {
1648	prepare_random_map $exit	1935	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1936
1654	1;	1937	1;
1655	}) {	1938	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1943
1661	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1945	$self->leave_link;
1663	}	1946	}
…		…
1731	}	2014	}
1732	}	2015	}
1733	},	2016	},
1734	);	2017	);
1735		2018
1736	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1737		2020
1738	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2023	or loss of connection).
1741		2024
1742	=cut	2025	=cut
1743		2026
1744	sub cf::client::coro {	2027	sub cf::client::async {
1745	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1746		2029
1747	my $coro = &cf::async ($cb);	2030	my $coro = &Coro::async ($cb);
1748		2031
1749	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1751	});	2034	});
1752		2035
…		…
1946	sub db_sync() {	2229	sub db_sync() {
1947	db_save if $dirty;	2230	db_save if $dirty;
1948	undef $dirty;	2231	undef $dirty;
1949	}	2232	}
1950		2233
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1952	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1953	});	2241	);
1954		2242
1955	sub db_dirty() {	2243	sub db_dirty() {
1956	$dirty = 1;	2244	$dirty = 1;
1957	$idle->start;	2245	$idle->start;
1958	}	2246	}
…		…
1990	local $/;	2278	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
1992		2280
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
1995	if (exists $CFG{mlockall}) {	2286	if (exists $CFG{mlockall}) {
1996	eval {	2287	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2289	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2290	};
2000	warn $@ if $@;	2291	warn $@ if $@;
2001	}	2292	}
2002	}	2293	}
2003		2294
2004	sub main {	2295	sub main {
2005	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2299	(async {
2009	Event::one_event;	2300	Event::one_event;
2010	})->();	2301	})->prio (Coro::PRIO_MAX);
2011	};	2302	};
2012		2303
2013	cfg_load;	2304	cfg_load;
2014	db_load;	2305	db_load;
2015	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2016	Event::loop;	2309	Event::loop;
2017	}	2310	}
2018		2311
2019	#############################################################################	2312	#############################################################################
2020	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2021		2358
2022	sub reload() {	2359	sub reload() {
2023	# can/must only be called in main	2360	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2026	return;	2363	return;
2027	}	2364	}
2028		2365
2029	warn "reloading...";	2366	warn "reloading...";
2030		2367
2031	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2032	cf::emergency_save;	2371	cf::emergency_save;
2033		2372
2034	eval {	2373	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2036		2375
2037	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2382	}
2041		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
2042	# cancel all extension coros	2392	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2394	%EXT_CORO = ();
2045		2395
2046	# unload all extensions	2396	warn "removing commands";
2047	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2049	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2411	}
2051		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2052	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2420
2056	warn "removing <$k>";	2421	warn "... unloading $k";
2057	delete $INC{$k};	2422	delete $INC{$k};
2058		2423
2059	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2061		2426
…		…
2064	}	2429	}
2065		2430
2066	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2067	}	2432	}
2068		2433
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2437
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2082		2440
2083	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2442	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2086		2444
2087	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2088	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2089	require cf;	2448	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2450
2092	# load config and database again	2451	warn "loading config and database again";
2093	cf::cfg_load;	2452	cf::cfg_load;
2094	cf::db_load;	2453	cf::db_load;
2095		2454
2096	# load extensions
2097	warn "load extensions";	2455	warn "loading extensions";
2098	cf::load_extensions;	2456	cf::load_extensions;
2099		2457
2100	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2103	};	2466	};
2104		2467
2105	if ($@) {	2468	if ($@) {
2106	warn $@;	2469	warn $@;
2107	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2108	exit 1;	2471	exit 1;
2109	}	2472	}
2110		2473
2111	warn "reloaded successfully";	2474	warn "reloaded";
2112	};	2475	};
2113		2476
2114	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2478
2159	register_command "reload" => sub {	2479	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2161		2481
2162	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2164	reload;	2493	reload;
2165	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2166	}	2497	}
2167	};	2498	};
2168		2499
2169	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2170		2503
2171	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2173	prio => 0,	2507	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2176	cb => sub {	2510	cb => sub {
		2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2177	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2180		2531
2181	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2534
2184	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2186	},	2537	},
2187	);	2538	);
2188		2539
2189	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2190		2541
2191	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2193	poll => 'r',	2546	poll => 'r',
2194	prio => 5,	2547	prio => 6,
2195	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2197	);	2550	);
2198		2551
2199	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2200	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2201	after => 0,	2555	after => 1,
2202	interval => 10,	2556	interval => 10,
2203	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2204	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2205	write_runtime	2559	write_runtime
2206	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2207	})->();
2208	},	2561	},
2209	);	2562	);
2210		2563
2211	END { cf::emergency_save }	2564	END { cf::emergency_save }
2212		2565

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