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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.202 by root, Mon Jan 29 20:16:28 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 (Coro::PRIO_MAX); # 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		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
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
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	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;
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
233		284
234	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
235		286
236	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
237	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
…		…
256	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
257		308
258	my $busy = 1;	309	my $busy = 1;
259	my @res;	310	my @res;
260		311
261	(Coro::async_pool {	312	(async {
262	@res = eval { $job->() };	313	@res = eval { $job->() };
263	warn $@ if $@;	314	warn $@ if $@;
264	undef $busy;	315	undef $busy;
265	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
266		317
267	while ($busy) {	318	while ($busy) {
268	unless (Coro::cede) {	319	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	320	}
273		321
274	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
275	} else {	323	} else {
276	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
277		325
278	$job->()	326	$job->()
279	}	327	}
280	}	328	}
281		329
282	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
283		331
284	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
286		334
287	=cut	335	=cut
288		336
289	sub coro(&) {	337	sub async_ext(&) {
290	my $cb = shift;	338	my $cb = shift;
291		339
292	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
293		341
294	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
296	});	344	});
297	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
303	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
304		352
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	354	or return;
307		355
		356	my $value = $cf::RUNTIME + 90 + 10;
308	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
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	361	and return;
311		362
312	aio_fsync $fh	363	aio_fsync $fh
313	and return;	364	and return;
…		…
322	}	373	}
323		374
324	=back	375	=back
325		376
326	=cut	377	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		378
448	#############################################################################	379	#############################################################################
449		380
450	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
451		382
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	509	our @CB_MAP = ();
579		510
580	my %attachment;	511	my %attachment;
581		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
582	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
584		521
585	use sort 'stable';	522	use sort 'stable';
586		523
…		…
757	# object support	694	# object support
758		695
759	sub reattach {	696	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		701
763	my $registry = $obj->registry;	702	my $registry = $obj->registry;
764		703
765	@$registry = ();	704	@$registry = ();
766		705
…		…
837	}	776	}
838	} else {	777	} else {
839	aio_unlink $filename;	778	aio_unlink $filename;
840	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
841	}	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	}
842	}	787	}
843	}	788	}
844		789
845	sub object_freezer_as_string {	790	sub object_freezer_as_string {
846	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
852		797
853	sub object_thawer_load {	798	sub object_thawer_load {
854	my ($filename) = @_;	799	my ($filename) = @_;
855		800
856	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$//;
857		805
858	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
859	or return;	807	or return;
860		808
861	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
898	=cut	846	=cut
899		847
900	sub register_extcmd {	848	sub register_extcmd {
901	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
902		850
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
907	}	852	}
908		853
909	cf::player->attach (	854	cf::player->attach (
910	on_command => sub {	855	on_command => sub {
911	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
924		869
925	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
926		871
927	if (ref $msg) {	872	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	876	}
932	}	877	}
933	} else {	878	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		881
937	cf::override;	882	cf::override;
938	},	883	},
939	);	884	);
940		885
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	886	sub load_extension {
948	my ($path) = @_;	887	my ($path) = @_;
949		888
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	890	my $base = $1;
952	my $pkg = $1;	891	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
955		894
956	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
957		896
958	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
959	or die "$path: $!";	898	or die "$path: $!";
960		899
961	my $source =	900	my $source =
962	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
965	. "\n};\n1";	904	. "\n};\n1";
966		905
967	eval $source	906	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	908	: "extension disabled.\n";
970		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	910	warn $@;
972	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
973		912	exit 1;
974	# no strict 'refs';	913	}
975	# @{"$pkg\::ISA"} = ext::;	914	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	915	}
990		916
991	# remove commands	917	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	918	}
1016		919
1017	sub load_extensions {	920	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	922	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1024	}	927	}
1025	}	928	}
1026		929
1027	#############################################################################	930	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		931
1065	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1066		933
1067	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1068		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1069	=head3 cf::player	942	=head3 cf::player
1070		943
1071	=over 4	944	=over 4
1072		945
1073	=item cf::player::exists $login	946	=item cf::player::find $login
1074		947
1075	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1076		949
1077	=cut	950	=cut
1078		951
1079	sub cf::player::exists($) {	952	sub playerdir($) {
1080	cf::player::find $_[0]	953	cf::localdir
1081	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	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1082	}	1100	}
1083		1101
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1103
1086	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1087		1105
1088	=cut	1106	=cut
1089		1107
1090	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1092		1110
1093	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1094		1112
1095	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1096	}	1114	}
		1115
		1116	package cf;
1097		1117
1098	=back	1118	=back
1099		1119
1100		1120
1101	=head3 cf::map	1121	=head3 cf::map
…		…
1107	package cf::map;	1127	package cf::map;
1108		1128
1109	use Fcntl;	1129	use Fcntl;
1110	use Coro::AIO;	1130	use Coro::AIO;
1111		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1112	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1114		1138
1115	sub generate_random_map {	1139	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1142	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1284	}
1133		1285
1134	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1135	# all maps in C++...	1287	# all maps in C++...
1136	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1138		1290
1139	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1141	}	1293	}
1142		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1143	sub try_load_header($) {	1308	sub load_header_from($) {
1144	my ($path) = @_;	1309	my ($self, $path) = @_;
1145		1310
1146	utf8::encode $path;	1311	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1148	or return;	1316	or return;
1149		1317
1150	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1151	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1152		1364
1153	# for better error messages only, will be overwritten	1365	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1366	}
1163		1367
1164	sub find;	1368	sub find;
1165	sub find {	1369	sub find {
1166	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1167		1371
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1373
1173	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1174		1375
1175	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1177		1378	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1379	or return;
1197		1380
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1210		1382
1211	Coro::cede;	1383	$map->load_header
		1384	or return;
1212		1385
1213	if ($map->should_reset) {	1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1389	$map->reset;
1215	undef $guard;	1390	undef $guard;
1216	$map = find $path	1391	return find $path;
1217	or return;
1218	}	1392	}
1219		1393
1220	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1221	}	1395	}
1222	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1223		1400
1224	sub load {	1401	sub load {
1225	my ($self) = @_;	1402	my ($self) = @_;
1226		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1227	my $path = $self->{path};	1406	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1229		1408
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1410
1232	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1233		1412
1234	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1235	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1418	or return;
1237		1419
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1421	if delete $self->{load_original};
1240		1422
1241	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1424	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1426	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1246	}	1428	}
1247	}	1429	}
1248		1430
1249	Coro::cede;	1431	Coro::cede;
1250		1432
1251	# now do the right thing for maps	1433	# now do the right thing for maps
1252	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1253		1435
1254	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1437	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1261	$self->set_darkness_map;	1441	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1264	$self->activate;	1445	$self->activate;
1265	}	1446	}
1266		1447
1267	Coro::cede;	1448	$self->post_load;
1268		1449
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
1270	}	1484	}
1271		1485
1272	sub find_sync {	1486	sub find_sync {
1273	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1274		1488
1275	cf::sync_job {	1489	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1490	}
1280		1491
1281	sub do_load_sync {	1492	sub do_load_sync {
1282	my ($map) = @_;	1493	my ($map) = @_;
1283		1494
1284	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1285	}	1496	}
1286		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1287	sub save {	1528	sub save {
1288	my ($self) = @_;	1529	my ($self) = @_;
1289		1530
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1532
1292	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1293		1534
1294	return unless $self->dirty;	1535	return unless $self->dirty;
1295		1536
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1539
1299	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1300		1541
1301	return if $self->{deny_save};	1542	return if $self->{deny_save};
1302		1543
1303	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1304		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1305	if ($uniq) {	1550	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1553	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1555	}
1311	}	1556	}
1312		1557
1313	sub swap_out {	1558	sub swap_out {
1314	my ($self) = @_;	1559	my ($self) = @_;
…		…
1328		1573
1329	sub reset_at {	1574	sub reset_at {
1330	my ($self) = @_;	1575	my ($self) = @_;
1331		1576
1332	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1335		1580
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1583
…		…
1343	my ($self) = @_;	1588	my ($self) = @_;
1344		1589
1345	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1346	}	1591	}
1347		1592
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1593	sub reset {
1370	my ($self) = @_;	1594	my ($self) = @_;
1371		1595
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1597
1374	return if $self->players;	1598	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1376		1600
1377	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1378		1602
1379	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1380		1607
1381	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1382		1609
1383	$self->unlink_save;	1610	$self->unlink_save;
1384	$self->destroy;	1611	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1388		1615
1389	sub nuke {	1616	sub nuke {
1390	my ($self) = @_;	1617	my ($self) = @_;
1391		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1395	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1396	}	1632	}
1397		1633
1398	sub customise_for {	1634	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1635
1401	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1403	}
1404		1638
1405	$map	1639	=cut
1406	}
1407		1640
1408	sub emergency_save {	1641	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1410		1644
1411	warn "enter emergency map save\n";	1645	my @paths;
1412		1646
1413	cf::sync_job {	1647	for (@$files) {
1414	warn "begin emergency map save\n";	1648	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1416	};	1653	}
1417		1654
1418	warn "end emergency map save\n";	1655	\@paths
1419	}	1656	}
1420		1657
1421	package cf;	1658	package cf;
1422		1659
1423	=back	1660	=back
1424		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1425		1688
1426	=head3 cf::object::player	1689	=head3 cf::object::player
1427		1690
1428	=over 4	1691	=over 4
1429		1692
…		…
1469		1732
1470	=item $player_object->enter_link	1733	=item $player_object->enter_link
1471		1734
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1736
1474	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1476		1739
		1740	Will never block.
		1741
1477	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1478		1743
1479	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1747	fails, to the emergency map position.
1483		1748
1484	Might block.	1749	Might block.
1485		1750
1486	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1487		1762
1488	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1764	my ($self) = @_;
1490		1765
1491	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1492		1767
1493	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1769
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1771	if $self->map;
1497		1772
1498	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1774	}
1500		1775
1501	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1503		1778
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1524		1799
1525	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1526		1802
		1803	return unless $self->contr->active;
1527	$self->activate_recursive;	1804	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1529	}	1806	}
1530		1807
1531	cf::player->attach (	1808	cf::player->attach (
…		…
1543	my ($pl) = @_;	1820	my ($pl) = @_;
1544		1821
1545	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1823	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1550	(Coro::async_pool {	1826	(async {
1551	# we need this sleep as the login has a concurrent enter_exit running	1827	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
1553	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1555	})->prio (2);	1835	})->prio (2);
1556	}	1836	}
1557	},	1837	},
…		…
1564	sub cf::object::player::goto {	1844	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1566		1846
1567	$self->enter_link;	1847	$self->enter_link;
1568		1848
1569	(Coro::async_pool {	1849	(async {
1570	$path = new cf::path $path;	1850	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1574		1853	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1856
1580	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1858	})->prio (1);
1582	}	1859	}
1583		1860
…		…
1587		1864
1588	sub parse_random_map_params {	1865	sub parse_random_map_params {
1589	my ($spec) = @_;	1866	my ($spec) = @_;
1590		1867
1591	my $rmp = { # defaults	1868	my $rmp = { # defaults
1592	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1594	};	1873	};
1595		1874
1596	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1598		1877
…		…
1602	$rmp	1881	$rmp
1603	}	1882	}
1604		1883
1605	sub prepare_random_map {	1884	sub prepare_random_map {
1606	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1888
1608	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1891	# that depends on the exit object
1611		1892
1612	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1613		1894
1614	if ($exit->map) {	1895	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1619	}	1900	}
1620		1901
1621	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1622		1903
1623	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1907
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1628		1912
1629	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1914	$exit->msg (undef);
1631	}	1915	}
1632	}	1916	}
…		…
1634	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1636		1920
1637	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1638		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1639	$self->enter_link;	1932	$self->enter_link;
1640		1933
1641	(Coro::async_pool {	1934	(async {
1642	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1936	unless (eval {
1644	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1938
1650	1;	1939	1;
1651	}) {	1940	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1945
1657	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1947	$self->leave_link;
1659	}	1948	}
…		…
1714	# get handled first	2003	# get handled first
1715	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2006
1718	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2009
1720	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1721		2011
1722	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2013	if (@$queue) {
…		…
1727	}	2017	}
1728	}	2018	}
1729	},	2019	},
1730	);	2020	);
1731		2021
1732	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1733		2023
1734	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2026	or loss of connection).
1737		2027
1738	=cut	2028	=cut
1739		2029
1740	sub cf::client::coro {	2030	sub cf::client::async {
1741	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1742		2032
1743	my $coro = &Coro::async_pool ($cb);	2033	my $coro = &Coro::async ($cb);
1744		2034
1745	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1747	});	2037	});
1748		2038
…		…
1942	sub db_sync() {	2232	sub db_sync() {
1943	db_save if $dirty;	2233	db_save if $dirty;
1944	undef $dirty;	2234	undef $dirty;
1945	}	2235	}
1946		2236
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1948	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1949	});	2244	);
1950		2245
1951	sub db_dirty() {	2246	sub db_dirty() {
1952	$dirty = 1;	2247	$dirty = 1;
1953	$idle->start;	2248	$idle->start;
1954	}	2249	}
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2288
1994	if (exists $CFG{mlockall}) {	2289	if (exists $CFG{mlockall}) {
1995	eval {	2290	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2292	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2293	};
1999	warn $@ if $@;	2294	warn $@ if $@;
2000	}	2295	}
2001	}	2296	}
2002		2297
2003	sub main {	2298	sub main {
2004	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2302	(async {
		2303	Event::one_event;
		2304	})->prio (Coro::PRIO_MAX);
2008	};	2305	};
2009		2306
2010	cfg_load;	2307	cfg_load;
2011	db_load;	2308	db_load;
2012	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
2013	Event::loop;	2312	Event::loop;
2014	}	2313	}
2015		2314
2016	#############################################################################	2315	#############################################################################
2017	# initialisation	2316	# initialisation and cleanup
		2317
		2318	# install some emergency cleanup handlers
		2319	BEGIN {
		2320	for my $signal (qw(INT HUP TERM)) {
		2321	Event->signal (
		2322	reentrant => 0,
		2323	data => WF_AUTOCANCEL,
		2324	signal => $signal,
		2325	prio => 0,
		2326	cb => sub {
		2327	cf::cleanup "SIG$signal";
		2328	},
		2329	);
		2330	}
		2331	}
		2332
		2333	sub emergency_save() {
		2334	my $freeze_guard = cf::freeze_mainloop;
		2335
		2336	warn "enter emergency perl save\n";
		2337
		2338	cf::sync_job {
		2339	# use a peculiar iteration method to avoid tripping on perl
		2340	# refcount bugs in for. also avoids problems with players
		2341	# and maps saved/destroyed asynchronously.
		2342	warn "begin emergency player save\n";
		2343	for my $login (keys %cf::PLAYER) {
		2344	my $pl = $cf::PLAYER{$login} or next;
		2345	$pl->valid or next;
		2346	$pl->save;
		2347	}
		2348	warn "end emergency player save\n";
		2349
		2350	warn "begin emergency map save\n";
		2351	for my $path (keys %cf::MAP) {
		2352	my $map = $cf::MAP{$path} or next;
		2353	$map->valid or next;
		2354	$map->save;
		2355	}
		2356	warn "end emergency map save\n";
		2357	};
		2358
		2359	warn "leave emergency perl save\n";
		2360	}
2018		2361
2019	sub reload() {	2362	sub reload() {
2020	# can/must only be called in main	2363	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2023	return;	2366	return;
2024	}	2367	}
2025		2368
2026	warn "reloading...";	2369	warn "reloading...";
2027		2370
2028	my $guard = freeze_mainloop;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
2029	cf::emergency_save;	2374	cf::emergency_save;
2030		2375
2031	eval {	2376	eval {
2032	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
2033		2378
2034	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2385	}
2038		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
2039	# cancel all extension coros	2395	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2397	%EXT_CORO = ();
2042		2398
2043	# unload all extensions	2399	warn "removing commands";
2044	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2407	warn "... unloading $pkg";
2046	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2414	}
2048		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
2049	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2423
2053	warn "removing <$k>";	2424	warn "... unloading $k";
2054	delete $INC{$k};	2425	delete $INC{$k};
2055		2426
2056	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
2058		2429
…		…
2061	}	2432	}
2062		2433
2063	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
2064	}	2435	}
2065		2436
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2440
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
2079		2443
2080	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2445	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
2083		2447
2084	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
2085	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
2086	require cf;	2451	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2453
2089	# load config and database again	2454	warn "loading config and database again";
2090	cf::cfg_load;	2455	cf::cfg_load;
2091	cf::db_load;	2456	cf::db_load;
2092		2457
2093	# load extensions
2094	warn "load extensions";	2458	warn "loading extensions";
2095	cf::load_extensions;	2459	cf::load_extensions;
2096		2460
2097	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
		2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2100	};	2469	};
2101		2470
2102	if ($@) {	2471	if ($@) {
2103	warn $@;	2472	warn $@;
2104	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2105	exit 1;	2474	exit 1;
2106	}	2475	}
2107		2476
2108	warn "reloaded successfully";	2477	warn "reloaded";
2109	};	2478	};
2110		2479
2111	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2481
2156	register_command "reload" => sub {	2482	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2158		2484
2159	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2161	reload;	2496	reload;
2162	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2163	}	2500	}
2164	};	2501	};
2165		2502
2166	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2167		2506
2168	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2170	prio => 0,	2510	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2173	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2174	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2177		2534
2178	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2537
2181	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2183	},	2540	},
2184	);	2541	);
2185		2542
2186	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2187		2544
2188	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2549	poll => 'r',
2191	prio => 5,	2550	prio => 6,
2192	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2194	);	2553	);
2195		2554
2196	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2197	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2198	after => 0,	2558	after => 1,
2199	interval => 10,	2559	interval => 10,
2200	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2202	write_runtime	2562	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2564	},
2206	);	2565	);
2207		2566
2208	END { cf::emergency_save }	2567	END { cf::emergency_save }
2209		2568

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