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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.203 by root, Thu Feb 1 19:40:42 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
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	Coro::cede_notself;	319	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	320	}
271		321
272	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
273	} else {	323	} else {
274	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
275		325
276	$job->()	326	$job->()
277	}	327	}
278	}	328	}
279		329
280	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
281		331
282	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
284		334
285	=cut	335	=cut
286		336
287	sub coro(&) {	337	sub async_ext(&) {
288	my $cb = shift;	338	my $cb = shift;
289		339
290	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
291		341
292	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
294	});	344	});
295	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
302		352
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	354	or return;
305		355
		356	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	361	and return;
309		362
310	aio_fsync $fh	363	aio_fsync $fh
311	and return;	364	and return;
…		…
320	}	373	}
321		374
322	=back	375	=back
323		376
324	=cut	377	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		378
446	#############################################################################	379	#############################################################################
447		380
448	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
449		382
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	509	our @CB_MAP = ();
577		510
578	my %attachment;	511	my %attachment;
579		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
580	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
582		521
583	use sort 'stable';	522	use sort 'stable';
584		523
…		…
755	# object support	694	# object support
756		695
757	sub reattach {	696	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		701
761	my $registry = $obj->registry;	702	my $registry = $obj->registry;
762		703
763	@$registry = ();	704	@$registry = ();
764		705
…		…
835	}	776	}
836	} else {	777	} else {
837	aio_unlink $filename;	778	aio_unlink $filename;
838	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
839	}	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	}
840	}	787	}
841	}	788	}
842		789
843	sub object_freezer_as_string {	790	sub object_freezer_as_string {
844	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
850		797
851	sub object_thawer_load {	798	sub object_thawer_load {
852	my ($filename) = @_;	799	my ($filename) = @_;
853		800
854	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$//;
855		805
856	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
857	or return;	807	or return;
858		808
859	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
896	=cut	846	=cut
897		847
898	sub register_extcmd {	848	sub register_extcmd {
899	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
900		850
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
905	}	852	}
906		853
907	cf::player->attach (	854	cf::player->attach (
908	on_command => sub {	855	on_command => sub {
909	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
922		869
923	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
924		871
925	if (ref $msg) {	872	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	876	}
930	}	877	}
931	} else {	878	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		881
935	cf::override;	882	cf::override;
936	},	883	},
937	);	884	);
938		885
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	886	sub load_extension {
946	my ($path) = @_;	887	my ($path) = @_;
947		888
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	890	my $base = $1;
950	my $pkg = $1;	891	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
953		894
954	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
955		896
956	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
957	or die "$path: $!";	898	or die "$path: $!";
958		899
959	my $source =	900	my $source =
960	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
963	. "\n};\n1";	904	. "\n};\n1";
964		905
965	eval $source	906	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	908	: "extension disabled.\n";
968		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	910	warn $@;
970	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
971		912	exit 1;
972	# no strict 'refs';	913	}
973	# @{"$pkg\::ISA"} = ext::;	914	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	915	}
988		916
989	# remove commands	917	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	918	}
1014		919
1015	sub load_extensions {	920	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	922	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1022	}	927	}
1023	}	928	}
1024		929
1025	#############################################################################	930	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		931
1063	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1064		933
1065	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1066		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1067	=head3 cf::player	942	=head3 cf::player
1068		943
1069	=over 4	944	=over 4
1070		945
1071	=item cf::player::exists $login	946	=item cf::player::find $login
1072		947
1073	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1074		949
1075	=cut	950	=cut
1076		951
1077	sub cf::player::exists($) {	952	sub playerdir($) {
1078	cf::player::find $_[0]	953	cf::localdir
1079	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
1080	}	1100	}
1081		1101
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1103
1084	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1085		1105
1086	=cut	1106	=cut
1087		1107
1088	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1090		1110
1091	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1092		1112
1093	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1094	}	1114	}
		1115
		1116	package cf;
1095		1117
1096	=back	1118	=back
1097		1119
1098		1120
1099	=head3 cf::map	1121	=head3 cf::map
…		…
1105	package cf::map;	1127	package cf::map;
1106		1128
1107	use Fcntl;	1129	use Fcntl;
1108	use Coro::AIO;	1130	use Coro::AIO;
1109		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1110	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1112		1138
1113	sub generate_random_map {	1139	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1142	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1284	}
1131		1285
1132	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1133	# all maps in C++...	1287	# all maps in C++...
1134	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1136		1290
1137	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1139	}	1293	}
1140		1294
		1295	sub unlink_save {
		1296	my ($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
1141	sub try_load_header($) {	1308	sub load_header_from($) {
1142	my ($path) = @_;	1309	my ($self, $path) = @_;
1143		1310
1144	utf8::encode $path;	1311	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1146	or return;	1316	or return;
1147		1317
1148	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
1149	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1150		1364
1151	# for better error messages only, will be overwritten	1365	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1366	}
1161		1367
1162	sub find;	1368	sub find;
1163	sub find {	1369	sub find {
1164	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1165		1371
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1373
1171	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1172		1375
1173	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1175		1378	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1379	or return;
1195		1380
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1208		1382
1209	Coro::cede;	1383	$map->load_header
		1384	or return;
1210		1385
1211	if ($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;
1212	$map->reset;	1389	$map->reset;
1213	undef $guard;	1390	undef $guard;
1214	$map = find $path	1391	return find $path;
1215	or return;
1216	}	1392	}
1217		1393
1218	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1219	}	1395	}
1220	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1221		1400
1222	sub load {	1401	sub load {
1223	my ($self) = @_;	1402	my ($self) = @_;
1224		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1225	my $path = $self->{path};	1406	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1227		1408
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1410
1230	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1231		1412
1232	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1233	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1418	or return;
1235		1419
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1421	if delete $self->{load_original};
1238		1422
1239	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1424	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1426	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1244	}	1428	}
1245	}	1429	}
1246		1430
1247	Coro::cede;	1431	Coro::cede;
1248		1432
1249	# now do the right thing for maps	1433	# now do the right thing for maps
1250	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1251		1435
1252	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1437	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1259	$self->set_darkness_map;	1441	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1262	$self->activate;	1445	$self->activate;
1263	}	1446	}
1264		1447
1265	Coro::cede;	1448	$self->post_load;
1266		1449
1267	$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	$neigh->load;
		1483	}
1268	}	1484	}
1269		1485
1270	sub find_sync {	1486	sub find_sync {
1271	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1272		1488
1273	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1274	}	1490	}
1275		1491
1276	sub do_load_sync {	1492	sub do_load_sync {
1277	my ($map) = @_;	1493	my ($map) = @_;
1278		1494
1279	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1280	}	1496	}
1281		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	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1282	sub save {	1528	sub save {
1283	my ($self) = @_;	1529	my ($self) = @_;
1284		1530
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1532
1287	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1288		1534
1289	return unless $self->dirty;	1535	return unless $self->dirty;
1290		1536
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1539
1294	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1295		1541
1296	return if $self->{deny_save};	1542	return if $self->{deny_save};
1297		1543
1298	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1299		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1300	if ($uniq) {	1550	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1553	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1555	}
1306	}	1556	}
1307		1557
1308	sub swap_out {	1558	sub swap_out {
1309	my ($self) = @_;	1559	my ($self) = @_;
…		…
1323		1573
1324	sub reset_at {	1574	sub reset_at {
1325	my ($self) = @_;	1575	my ($self) = @_;
1326		1576
1327	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1330		1580
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1583
…		…
1338	my ($self) = @_;	1588	my ($self) = @_;
1339		1589
1340	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1341	}	1591	}
1342		1592
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1593	sub reset {
1365	my ($self) = @_;	1594	my ($self) = @_;
1366		1595
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1597
1369	return if $self->players;	1598	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1371		1600
1372	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1373		1602
1374	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1375		1607
1376	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1377		1609
1378	$self->unlink_save;	1610	$self->unlink_save;
1379	$self->destroy;	1611	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1383		1615
1384	sub nuke {	1616	sub nuke {
1385	my ($self) = @_;	1617	my ($self) = @_;
1386		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1390	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1391	}	1632	}
1392		1633
1393	sub customise_for {	1634	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1635
1396	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1398	}
1399		1638
1400	$map	1639	=cut
1401	}
1402		1640
1403	sub emergency_save {	1641	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1405		1644
1406	warn "enter emergency map save\n";	1645	my @paths;
1407		1646
1408	cf::sync_job {	1647	for (@$files) {
1409	warn "begin emergency map save\n";	1648	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1411	};	1653	}
1412		1654
1413	warn "end emergency map save\n";	1655	\@paths
1414	}	1656	}
1415		1657
1416	package cf;	1658	package cf;
1417		1659
1418	=back	1660	=back
1419		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
1420		1688
1421	=head3 cf::object::player	1689	=head3 cf::object::player
1422		1690
1423	=over 4	1691	=over 4
1424		1692
…		…
1464		1732
1465	=item $player_object->enter_link	1733	=item $player_object->enter_link
1466		1734
1467	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}>).
1468		1736
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1471		1739
		1740	Will never block.
		1741
1472	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1473		1743
1474	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1747	fails, to the emergency map position.
1478		1748
1479	Might block.	1749	Might block.
1480		1750
1481	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($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	$LINK_MAP
		1761	}
1482		1762
1483	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1764	my ($self) = @_;
1485		1765
1486	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1487		1767
1488	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1769
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1771	if $self->map;
1492		1772
1493	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1774	}
1495		1775
1496	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1498		1778
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1519		1799
1520	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1521		1802
		1803	return unless $self->contr->active;
1522	$self->activate_recursive;	1804	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1524	}	1806	}
1525		1807
1526	cf::player->attach (	1808	cf::player->attach (
…		…
1539		1821
1540	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1823	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1544	Coro::async_pool {	1826	(async {
1545	# 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
1546	# 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);
1547	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1549	};	1835	})->prio (2);
1550	}	1836	}
1551	},	1837	},
1552	);	1838	);
1553		1839
1554	=item $player_object->goto ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1844	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1560		1846
1561	$self->enter_link;	1847	$self->enter_link;
1562		1848
1563	(Coro::async_pool {	1849	(async {
1564	$path = new cf::path $path;	1850	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1568		1853	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1570	# if $map;
1571
1572	$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);
1573		1856
1574	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1858	})->prio (1);
1576	}	1859	}
1577		1860
…		…
1581		1864
1582	sub parse_random_map_params {	1865	sub parse_random_map_params {
1583	my ($spec) = @_;	1866	my ($spec) = @_;
1584		1867
1585	my $rmp = { # defaults	1868	my $rmp = { # defaults
1586	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1588	};	1873	};
1589		1874
1590	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1592		1877
…		…
1596	$rmp	1881	$rmp
1597	}	1882	}
1598		1883
1599	sub prepare_random_map {	1884	sub prepare_random_map {
1600	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1888
1602	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1891	# that depends on the exit object
1605		1892
1606	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1607		1894
1608	if ($exit->map) {	1895	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1613	}	1900	}
1614		1901
1615	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1616		1903
1617	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1907
1620	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) {
1621	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;
1622		1912
1623	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1914	$exit->msg (undef);
1625	}	1915	}
1626	}	1916	}
…		…
1628	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1630		1920
1631	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1632		1922
		1923	if ($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
1633	$self->enter_link;	1932	$self->enter_link;
1634		1933
1635	(Coro::async_pool {	1934	(async {
1636	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1936	unless (eval {
1638	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1938
1644	1;	1939	1;
1645	}) {	1940	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1945
1651	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1947	$self->leave_link;
1653	}	1948	}
…		…
1708	# get handled first	2003	# get handled first
1709	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2006
1712	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2009
1714	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1715		2011
1716	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2013	if (@$queue) {
…		…
1721	}	2017	}
1722	}	2018	}
1723	},	2019	},
1724	);	2020	);
1725		2021
1726	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1727		2023
1728	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2026	or loss of connection).
1731		2027
1732	=cut	2028	=cut
1733		2029
1734	sub cf::client::coro {	2030	sub cf::client::async {
1735	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1736		2032
1737	my $coro = &Coro::async_pool ($cb);	2033	my $coro = &Coro::async ($cb);
1738		2034
1739	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1741	});	2037	});
1742		2038
…		…
1936	sub db_sync() {	2232	sub db_sync() {
1937	db_save if $dirty;	2233	db_save if $dirty;
1938	undef $dirty;	2234	undef $dirty;
1939	}	2235	}
1940		2236
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1942	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1943	});	2244	);
1944		2245
1945	sub db_dirty() {	2246	sub db_dirty() {
1946	$dirty = 1;	2247	$dirty = 1;
1947	$idle->start;	2248	$idle->start;
1948	}	2249	}
…		…
1969	},	2270	},
1970	);	2271	);
1971	}	2272	}
1972		2273
1973	#############################################################################	2274	#############################################################################
1974	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
1975		2281
1976	sub cfg_load {	2282	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2284	or return;
1979		2285
1980	local $/;	2286	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2287	*CFG = YAML::Syck::Load <$fh>;
1982		2288
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2290
		2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2293
1985	if (exists $CFG{mlockall}) {	2294	if (exists $CFG{mlockall}) {
1986	eval {	2295	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2297	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2298	};
1990	warn $@ if $@;	2299	warn $@ if $@;
1991	}	2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
1992	}	2305	}
1993		2306
1994	sub main {	2307	sub main {
1995	# we must not ever block the main coroutine	2308	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2309	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2311	(async {
1999	Event::one_event;	2312	Event::one_event;
2000	})->();	2313	})->prio (Coro::PRIO_MAX);
2001	};	2314	};
2002		2315
2003	cfg_load;	2316	cfg_load;
2004	db_load;	2317	db_load;
2005	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
2006	Event::loop;	2321	Event::loop;
2007	}	2322	}
2008		2323
2009	#############################################################################	2324	#############################################################################
2010	# initialisation	2325	# initialisation and cleanup
		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
2011		2370
2012	sub reload() {	2371	sub reload() {
2013	# can/must only be called in main	2372	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
2016	return;	2375	return;
2017	}	2376	}
2018		2377
2019	warn "reloading...";	2378	warn "reloading...";
2020		2379
2021	my $guard = freeze_mainloop;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
2022	cf::emergency_save;	2383	cf::emergency_save;
2023		2384
2024	eval {	2385	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2026		2387
2027	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2394	}
2031		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
2032	# cancel all extension coros	2404	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2406	%EXT_CORO = ();
2035		2407
2036	# unload all extensions	2408	warn "removing commands";
2037	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2416	warn "... unloading $pkg";
2039	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2423	}
2041		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
2042	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2432
2046	warn "removing <$k>";	2433	warn "... unloading $k";
2047	delete $INC{$k};	2434	delete $INC{$k};
2048		2435
2049	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
2051		2438
…		…
2054	}	2441	}
2055		2442
2056	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
2057	}	2444	}
2058		2445
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2449
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
2072		2452
2073	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2454	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
2076		2456
2077	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
2078	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
2079	require cf;	2460	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2462
2082	# load config and database again	2463	warn "loading config and database again";
2083	cf::cfg_load;	2464	cf::cfg_load;
2084	cf::db_load;	2465	cf::db_load;
2085		2466
2086	# load extensions
2087	warn "load extensions";	2467	warn "loading extensions";
2088	cf::load_extensions;	2468	cf::load_extensions;
2089		2469
2090	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
		2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
2093	};	2481	};
2094		2482
2095	if ($@) {	2483	if ($@) {
2096	warn $@;	2484	warn $@;
2097	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
2098	exit 1;	2486	exit 1;
2099	}	2487	}
2100		2488
2101	warn "reloaded successfully";	2489	warn "reloaded";
2102	};	2490	};
2103		2491
2104	#############################################################################	2492	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2493
2149	register_command "reload" => sub {	2494	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
2151		2496
2152	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
2154	reload;	2508	reload;
2155	$who->message ("end of reload.");	2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
2156	}	2512	}
2157	};	2513	};
2158		2514
2159	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
2160		2518
2161	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
2163	prio => 0,	2522	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2166	cb => sub {	2525	cb => sub {
		2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
2167	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2170		2546
2171	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2549
2174	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2176	},	2552	},
2177	);	2553	);
2178		2554
2179	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
2180		2556
2181	Event->io (	2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2561	poll => 'r',
2184	prio => 5,	2562	prio => 6,
2185	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2564	cb => \&IO::AIO::poll_cb,
2187	);	2565	);
2188		2566
2189	Event->timer (	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
		2568	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2569	data => WF_AUTOCANCEL,
2191	after => 0,	2570	after => 1,
2192	interval => 10,	2571	interval => 10,
2193	cb => sub {	2572	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
2195	write_runtime	2574	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2575	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2576	},
2199	);	2577	);
2200		2578
2201	END { cf::emergency_save }	2579	END { cf::emergency_save }
2202		2580

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