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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 1.200 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 (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	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
1082	}	1098	}
1083		1099
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1101
1086	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1087		1103
1088	=cut	1104	=cut
1089		1105
1090	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1092		1108
1093	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1094		1110
1095	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1096	}	1112	}
		1113
		1114	package cf;
1097		1115
1098	=back	1116	=back
1099		1117
1100		1118
1101	=head3 cf::map	1119	=head3 cf::map
…		…
1107	package cf::map;	1125	package cf::map;
1108		1126
1109	use Fcntl;	1127	use Fcntl;
1110	use Coro::AIO;	1128	use Coro::AIO;
1111		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1112	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1114		1136
1115	sub generate_random_map {	1137	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1140	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$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},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(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
1132	}	1282	}
1133		1283
1134	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1135	# all maps in C++...	1285	# all maps in C++...
1136	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1138		1288
1139	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1141	}	1291	}
1142		1292
		1293	sub unlink_save {
		1294	my ($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
1143	sub try_load_header($) {	1306	sub load_header_from($) {
1144	my ($path) = @_;	1307	my ($self, $path) = @_;
1145		1308
1146	utf8::encode $path;	1309	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1148	or return;	1314	or return;
1149		1315
1150	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
1151	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1152		1362
1153	# for better error messages only, will be overwritten	1363	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1364	}
1163		1365
1164	sub find;	1366	sub find;
1165	sub find {	1367	sub find {
1166	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1167		1369
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1371
1173	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1174		1373
1175	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1177		1376	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;	1377	or return;
1197		1378
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;	1379	$map->{last_save} = $cf::RUNTIME;
1210		1380
1211	Coro::cede;	1381	$map->load_header
		1382	or return;
1212		1383
1213	if ($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;
1214	$map->reset;	1387	$map->reset;
1215	undef $guard;	1388	undef $guard;
1216	$map = find $path	1389	return find $path;
1217	or return;
1218	}	1390	}
1219		1391
1220	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1221	}	1393	}
1222	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1223		1398
1224	sub load {	1399	sub load {
1225	my ($self) = @_;	1400	my ($self) = @_;
1226		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1227	my $path = $self->{path};	1404	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1229		1406
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1408
1232	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1233		1410
1234	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1235	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1416	or return;
1237		1417
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1419	if delete $self->{load_original};
1240		1420
1241	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1422	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1424	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1246	}	1426	}
1247	}	1427	}
1248		1428
1249	Coro::cede;	1429	Coro::cede;
1250		1430
1251	# now do the right thing for maps	1431	# now do the right thing for maps
1252	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1253		1433
1254	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1435	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1261	$self->set_darkness_map;	1439	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1264	$self->activate;	1443	$self->activate;
1265	}	1444	}
1266		1445
1267	Coro::cede;	1446	$self->post_load;
1268		1447
1269	$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	$neigh->load;
		1481	}
1270	}	1482	}
1271		1483
1272	sub find_sync {	1484	sub find_sync {
1273	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1274		1486
1275	cf::sync_job {	1487	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1488	}
1280		1489
1281	sub do_load_sync {	1490	sub do_load_sync {
1282	my ($map) = @_;	1491	my ($map) = @_;
1283		1492
1284	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1285	}	1494	}
1286		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	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
		1524	}
		1525
1287	sub save {	1526	sub save {
1288	my ($self) = @_;	1527	my ($self) = @_;
1289		1528
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1530
1292	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1293		1532
1294	return unless $self->dirty;	1533	return unless $self->dirty;
1295		1534
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1537
1299	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1300		1539
1301	return if $self->{deny_save};	1540	return if $self->{deny_save};
1302		1541
1303	local $self->{last_access} = $self->last_access;#d#	1542	local $self->{last_access} = $self->last_access;#d#
1304		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1305	if ($uniq) {	1548	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1551	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1553	}
1311	}	1554	}
1312		1555
1313	sub swap_out {	1556	sub swap_out {
1314	my ($self) = @_;	1557	my ($self) = @_;
…		…
1328		1571
1329	sub reset_at {	1572	sub reset_at {
1330	my ($self) = @_;	1573	my ($self) = @_;
1331		1574
1332	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1335		1578
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1581
…		…
1343	my ($self) = @_;	1586	my ($self) = @_;
1344		1587
1345	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1346	}	1589	}
1347		1590
1348	sub unlink_save {
1349	my ($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	$self->save;
1367	}
1368
1369	sub reset {	1591	sub reset {
1370	my ($self) = @_;	1592	my ($self) = @_;
1371		1593
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1595
1374	return if $self->players;	1596	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1376		1598
1377	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1378		1600
1379	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1380		1605
1381	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1382		1607
1383	$self->unlink_save;	1608	$self->unlink_save;
1384	$self->destroy;	1609	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1388		1613
1389	sub nuke {	1614	sub nuke {
1390	my ($self) = @_;	1615	my ($self) = @_;
1391		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1395	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1396	}	1630	}
1397		1631
1398	sub customise_for {	1632	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1633
1401	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1403	}
1404		1636
1405	$map	1637	=cut
1406	}
1407		1638
1408	sub emergency_save {	1639	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1410		1642
1411	warn "enter emergency map save\n";	1643	my @paths;
1412		1644
1413	cf::sync_job {	1645	for (@$files) {
1414	warn "begin emergency map save\n";	1646	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1416	};	1651	}
1417		1652
1418	warn "end emergency map save\n";	1653	\@paths
1419	}	1654	}
1420		1655
1421	package cf;	1656	package cf;
1422		1657
1423	=back	1658	=back
1424		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
1425		1686
1426	=head3 cf::object::player	1687	=head3 cf::object::player
1427		1688
1428	=over 4	1689	=over 4
1429		1690
…		…
1469		1730
1470	=item $player_object->enter_link	1731	=item $player_object->enter_link
1471		1732
1472	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}>).
1473		1734
1474	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
1475	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1476		1737
		1738	Will never block.
		1739
1477	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1478		1741
1479	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1745	fails, to the emergency map position.
1483		1746
1484	Might block.	1747	Might block.
1485		1748
1486	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($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	$LINK_MAP
		1759	}
1487		1760
1488	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1762	my ($self) = @_;
1490		1763
1491	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1492		1765
1493	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1767
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1769	if $self->map;
1497		1770
1498	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1772	}
1500		1773
1501	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1503		1776
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1524		1797
1525	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1526		1800
		1801	return unless $self->contr->active;
1527	$self->activate_recursive;	1802	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1529	}	1804	}
1530		1805
1531	cf::player->attach (	1806	cf::player->attach (
…		…
1543	my ($pl) = @_;	1818	my ($pl) = @_;
1544		1819
1545	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1821	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1550	(Coro::async_pool {	1824	(async {
1551	# 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
1552	# 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);
1553	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1555	})->prio (2);	1833	})->prio (2);
1556	}	1834	}
1557	},	1835	},
…		…
1564	sub cf::object::player::goto {	1842	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1566		1844
1567	$self->enter_link;	1845	$self->enter_link;
1568		1846
1569	(Coro::async_pool {	1847	(async {
1570	$path = new cf::path $path;	1848	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1574		1851	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1576	# if $map;
1577
1578	$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);
1579		1854
1580	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1856	})->prio (1);
1582	}	1857	}
1583		1858
…		…
1587		1862
1588	sub parse_random_map_params {	1863	sub parse_random_map_params {
1589	my ($spec) = @_;	1864	my ($spec) = @_;
1590		1865
1591	my $rmp = { # defaults	1866	my $rmp = { # defaults
1592	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1594	};	1871	};
1595		1872
1596	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1598		1875
…		…
1602	$rmp	1879	$rmp
1603	}	1880	}
1604		1881
1605	sub prepare_random_map {	1882	sub prepare_random_map {
1606	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1886
1608	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1889	# that depends on the exit object
1611		1890
1612	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1613		1892
1614	if ($exit->map) {	1893	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1619	}	1898	}
1620		1899
1621	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1622		1901
1623	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1905
1626	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) {
1627	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;
1628		1910
1629	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1912	$exit->msg (undef);
1631	}	1913	}
1632	}	1914	}
…		…
1634	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1636		1918
1637	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1638		1920
		1921	if ($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
1639	$self->enter_link;	1930	$self->enter_link;
1640		1931
1641	(Coro::async_pool {	1932	(async {
1642	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1934	unless (eval {
1644	prepare_random_map $exit	1935	$self->goto ($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		1936
1650	1;	1937	1;
1651	}) {	1938	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "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. "
1654	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1943
1657	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1945	$self->leave_link;
1659	}	1946	}
…		…
1727	}	2014	}
1728	}	2015	}
1729	},	2016	},
1730	);	2017	);
1731		2018
1732	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1733		2020
1734	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2023	or loss of connection).
1737		2024
1738	=cut	2025	=cut
1739		2026
1740	sub cf::client::coro {	2027	sub cf::client::async {
1741	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1742		2029
1743	my $coro = &Coro::async_pool ($cb);	2030	my $coro = &Coro::async ($cb);
1744		2031
1745	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1747	});	2034	});
1748		2035
…		…
1942	sub db_sync() {	2229	sub db_sync() {
1943	db_save if $dirty;	2230	db_save if $dirty;
1944	undef $dirty;	2231	undef $dirty;
1945	}	2232	}
1946		2233
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1948	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1949	});	2241	);
1950		2242
1951	sub db_dirty() {	2243	sub db_dirty() {
1952	$dirty = 1;	2244	$dirty = 1;
1953	$idle->start;	2245	$idle->start;
1954	}	2246	}
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2283	$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};	2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2285
1994	if (exists $CFG{mlockall}) {	2286	if (exists $CFG{mlockall}) {
1995	eval {	2287	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2289	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2290	};
1999	warn $@ if $@;	2291	warn $@ if $@;
2000	}	2292	}
2001	}	2293	}
2002		2294
2003	sub main {	2295	sub main {
2004	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2006	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#
2007	Coro::async_pool { Event::one_event };	2299	(async {
		2300	Event::one_event;
		2301	})->prio (Coro::PRIO_MAX);
2008	};	2302	};
2009		2303
2010	cfg_load;	2304	cfg_load;
2011	db_load;	2305	db_load;
2012	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2013	Event::loop;	2309	Event::loop;
2014	}	2310	}
2015		2311
2016	#############################################################################	2312	#############################################################################
2017	# 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	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2018		2358
2019	sub reload() {	2359	sub reload() {
2020	# can/must only be called in main	2360	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2023	return;	2363	return;
2024	}	2364	}
2025		2365
2026	warn "reloading...";	2366	warn "reloading...";
2027		2367
2028	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2029	cf::emergency_save;	2371	cf::emergency_save;
2030		2372
2031	eval {	2373	eval {
2032	# 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
2033		2375
2034	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2382	}
2038		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
2039	# cancel all extension coros	2392	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2394	%EXT_CORO = ();
2042		2395
2043	# unload all extensions	2396	warn "removing commands";
2044	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2046	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: $@";
2047	}	2411	}
2048		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2049	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2420
2053	warn "removing <$k>";	2421	warn "... unloading $k";
2054	delete $INC{$k};	2422	delete $INC{$k};
2055		2423
2056	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2058		2426
…		…
2061	}	2429	}
2062		2430
2063	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2064	}	2432	}
2065		2433
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2072	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);
2073		2437
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2079		2440
2080	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2442	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2083		2444
2084	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2085	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2086	require cf;	2448	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2450
2089	# load config and database again	2451	warn "loading config and database again";
2090	cf::cfg_load;	2452	cf::cfg_load;
2091	cf::db_load;	2453	cf::db_load;
2092		2454
2093	# load extensions
2094	warn "load extensions";	2455	warn "loading extensions";
2095	cf::load_extensions;	2456	cf::load_extensions;
2096		2457
2097	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2100	};	2466	};
2101		2467
2102	if ($@) {	2468	if ($@) {
2103	warn $@;	2469	warn $@;
2104	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2105	exit 1;	2471	exit 1;
2106	}	2472	}
2107		2473
2108	warn "reloaded successfully";	2474	warn "reloaded";
2109	};	2475	};
2110		2476
2111	#############################################################################	2477	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} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2478
2156	register_command "reload" => sub {	2479	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2158		2481
2159	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2160	$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 {
2161	reload;	2493	reload;
2162	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2163	}	2497	}
2164	};	2498	};
2165		2499
2166	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2167		2503
2168	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2170	prio => 0,	2507	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2173	cb => sub {	2510	cb => sub {
		2511	if ($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
2174	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2176	$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#
2177		2531
2178	# 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
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2534
2181	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2183	},	2537	},
2184	);	2538	);
2185		2539
2186	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2187		2541
2188	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2546	poll => 'r',
2191	prio => 5,	2547	prio => 6,
2192	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2194	);	2550	);
2195		2551
2196	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2197	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2198	after => 0,	2555	after => 1,
2199	interval => 10,	2556	interval => 10,
2200	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2202	write_runtime	2559	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2561	},
2206	);	2562	);
2207		2563
2208	END { cf::emergency_save }	2564	END { cf::emergency_save }
2209		2565

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