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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 1.200 by root, Mon Jan 29 17:57:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
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	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
1080	}	1098	}
1081		1099
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1101
1084	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1085		1103
1086	=cut	1104	=cut
1087		1105
1088	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1090		1108
1091	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1092		1110
1093	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1094	}	1112	}
		1113
		1114	package cf;
1095		1115
1096	=back	1116	=back
1097		1117
1098		1118
1099	=head3 cf::map	1119	=head3 cf::map
…		…
1105	package cf::map;	1125	package cf::map;
1106		1126
1107	use Fcntl;	1127	use Fcntl;
1108	use Coro::AIO;	1128	use Coro::AIO;
1109		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1110	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1112		1136
1113	sub generate_random_map {	1137	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1140	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1282	}
1131		1283
1132	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1133	# all maps in C++...	1285	# all maps in C++...
1134	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1136		1288
1137	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1139	}	1291	}
1140		1292
		1293	sub unlink_save {
		1294	my ($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
1141	sub try_load_header($) {	1306	sub load_header_from($) {
1142	my ($path) = @_;	1307	my ($self, $path) = @_;
1143		1308
1144	utf8::encode $path;	1309	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1146	or return;	1314	or return;
1147		1315
1148	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
1149	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1150		1362
1151	# for better error messages only, will be overwritten	1363	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1364	}
1161		1365
1162	sub find;	1366	sub find;
1163	sub find {	1367	sub find {
1164	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1165		1369
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1371
1171	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1172		1373
1173	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1175		1376	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;	1377	or return;
1195		1378
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;	1379	$map->{last_save} = $cf::RUNTIME;
1208		1380
1209	Coro::cede;	1381	$map->load_header
		1382	or return;
1210		1383
1211	if ($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;
1212	$map->reset;	1387	$map->reset;
1213	undef $guard;	1388	undef $guard;
1214	$map = find $path	1389	return find $path;
1215	or return;
1216	}	1390	}
1217		1391
1218	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1219	}	1393	}
1220	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1221		1398
1222	sub load {	1399	sub load {
1223	my ($self) = @_;	1400	my ($self) = @_;
1224		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1225	my $path = $self->{path};	1404	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1227		1406
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1408
1230	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1231		1410
1232	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1233	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1416	or return;
1235		1417
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1419	if delete $self->{load_original};
1238		1420
1239	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1422	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1424	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1244	}	1426	}
1245	}	1427	}
1246		1428
1247	Coro::cede;	1429	Coro::cede;
1248		1430
1249	# now do the right thing for maps	1431	# now do the right thing for maps
1250	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1251		1433
1252	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1435	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1259	$self->set_darkness_map;	1439	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1262	$self->activate;	1443	$self->activate;
1263	}	1444	}
1264		1445
1265	Coro::cede;	1446	$self->post_load;
1266		1447
1267	$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	$neigh->load;
		1481	}
1268	}	1482	}
1269		1483
1270	sub find_sync {	1484	sub find_sync {
1271	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1272		1486
1273	cf::sync_job { cf::map::find $path, $origin }	1487	cf::sync_job { find $path, $origin }
1274	}	1488	}
1275		1489
1276	sub do_load_sync {	1490	sub do_load_sync {
1277	my ($map) = @_;	1491	my ($map) = @_;
1278		1492
1279	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1280	}	1494	}
1281		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	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
		1524	}
		1525
1282	sub save {	1526	sub save {
1283	my ($self) = @_;	1527	my ($self) = @_;
1284		1528
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1530
1287	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1288		1532
1289	return unless $self->dirty;	1533	return unless $self->dirty;
1290		1534
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1537
1294	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1295		1539
1296	return if $self->{deny_save};	1540	return if $self->{deny_save};
1297		1541
1298	local $self->{last_access} = $self->last_access;#d#	1542	local $self->{last_access} = $self->last_access;#d#
1299		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1300	if ($uniq) {	1548	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1551	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1553	}
1306	}	1554	}
1307		1555
1308	sub swap_out {	1556	sub swap_out {
1309	my ($self) = @_;	1557	my ($self) = @_;
…		…
1323		1571
1324	sub reset_at {	1572	sub reset_at {
1325	my ($self) = @_;	1573	my ($self) = @_;
1326		1574
1327	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1330		1578
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1581
…		…
1338	my ($self) = @_;	1586	my ($self) = @_;
1339		1587
1340	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1341	}	1589	}
1342		1590
1343	sub unlink_save {
1344	my ($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	$self->save;
1362	}
1363
1364	sub reset {	1591	sub reset {
1365	my ($self) = @_;	1592	my ($self) = @_;
1366		1593
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1595
1369	return if $self->players;	1596	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1371		1598
1372	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1373		1600
1374	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1375		1605
1376	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1377		1607
1378	$self->unlink_save;	1608	$self->unlink_save;
1379	$self->destroy;	1609	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1383		1613
1384	sub nuke {	1614	sub nuke {
1385	my ($self) = @_;	1615	my ($self) = @_;
1386		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1390	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1391	}	1630	}
1392		1631
1393	sub customise_for {	1632	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1633
1396	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1398	}
1399		1636
1400	$map	1637	=cut
1401	}
1402		1638
1403	sub emergency_save {	1639	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1405		1642
1406	warn "enter emergency map save\n";	1643	my @paths;
1407		1644
1408	cf::sync_job {	1645	for (@$files) {
1409	warn "begin emergency map save\n";	1646	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1411	};	1651	}
1412		1652
1413	warn "end emergency map save\n";	1653	\@paths
1414	}	1654	}
1415		1655
1416	package cf;	1656	package cf;
1417		1657
1418	=back	1658	=back
1419		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
1420		1686
1421	=head3 cf::object::player	1687	=head3 cf::object::player
1422		1688
1423	=over 4	1689	=over 4
1424		1690
…		…
1464		1730
1465	=item $player_object->enter_link	1731	=item $player_object->enter_link
1466		1732
1467	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}>).
1468		1734
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1471		1737
		1738	Will never block.
		1739
1472	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1473		1741
1474	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1745	fails, to the emergency map position.
1478		1746
1479	Might block.	1747	Might block.
1480		1748
1481	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($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	$LINK_MAP
		1759	}
1482		1760
1483	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1762	my ($self) = @_;
1485		1763
1486	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1487		1765
1488	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1767
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1769	if $self->map;
1492		1770
1493	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1772	}
1495		1773
1496	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1498		1776
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1519		1797
1520	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1521		1800
		1801	return unless $self->contr->active;
1522	$self->activate_recursive;	1802	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1524	}	1804	}
1525		1805
1526	cf::player->attach (	1806	cf::player->attach (
…		…
1539		1819
1540	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1821	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1544	Coro::async_pool {	1824	(async {
1545	# 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
1546	# 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);
1547	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1549	};	1833	})->prio (2);
1550	}	1834	}
1551	},	1835	},
1552	);	1836	);
1553		1837
1554	=item $player_object->goto ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1842	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1560		1844
1561	$self->enter_link;	1845	$self->enter_link;
1562		1846
1563	(Coro::async_pool {	1847	(async {
1564	$path = new cf::path $path;	1848	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1568		1851	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1570	# if $map;
1571
1572	$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);
1573		1854
1574	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1856	})->prio (1);
1576	}	1857	}
1577		1858
…		…
1581		1862
1582	sub parse_random_map_params {	1863	sub parse_random_map_params {
1583	my ($spec) = @_;	1864	my ($spec) = @_;
1584		1865
1585	my $rmp = { # defaults	1866	my $rmp = { # defaults
1586	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1588	};	1871	};
1589		1872
1590	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1592		1875
…		…
1596	$rmp	1879	$rmp
1597	}	1880	}
1598		1881
1599	sub prepare_random_map {	1882	sub prepare_random_map {
1600	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1886
1602	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1889	# that depends on the exit object
1605		1890
1606	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1607		1892
1608	if ($exit->map) {	1893	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1613	}	1898	}
1614		1899
1615	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1616		1901
1617	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1905
1620	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) {
1621	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;
1622		1910
1623	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1912	$exit->msg (undef);
1625	}	1913	}
1626	}	1914	}
…		…
1628	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1630		1918
1631	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1632		1920
		1921	if ($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
1633	$self->enter_link;	1930	$self->enter_link;
1634		1931
1635	(Coro::async_pool {	1932	(async {
1636	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1934	unless (eval {
1638	prepare_random_map $exit	1935	$self->goto ($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		1936
1644	1;	1937	1;
1645	}) {	1938	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1943
1651	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1945	$self->leave_link;
1653	}	1946	}
…		…
1721	}	2014	}
1722	}	2015	}
1723	},	2016	},
1724	);	2017	);
1725		2018
1726	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1727		2020
1728	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2023	or loss of connection).
1731		2024
1732	=cut	2025	=cut
1733		2026
1734	sub cf::client::coro {	2027	sub cf::client::async {
1735	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1736		2029
1737	my $coro = &Coro::async_pool ($cb);	2030	my $coro = &Coro::async ($cb);
1738		2031
1739	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1741	});	2034	});
1742		2035
…		…
1936	sub db_sync() {	2229	sub db_sync() {
1937	db_save if $dirty;	2230	db_save if $dirty;
1938	undef $dirty;	2231	undef $dirty;
1939	}	2232	}
1940		2233
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1942	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1943	});	2241	);
1944		2242
1945	sub db_dirty() {	2243	sub db_dirty() {
1946	$dirty = 1;	2244	$dirty = 1;
1947	$idle->start;	2245	$idle->start;
1948	}	2246	}
…		…
1980	local $/;	2278	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
1982		2280
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
1985	if (exists $CFG{mlockall}) {	2286	if (exists $CFG{mlockall}) {
1986	eval {	2287	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2289	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2290	};
1990	warn $@ if $@;	2291	warn $@ if $@;
1991	}	2292	}
1992	}	2293	}
1993		2294
1994	sub main {	2295	sub main {
1995	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2299	(async {
1999	Event::one_event;	2300	Event::one_event;
2000	})->();	2301	})->prio (Coro::PRIO_MAX);
2001	};	2302	};
2002		2303
2003	cfg_load;	2304	cfg_load;
2004	db_load;	2305	db_load;
2005	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2006	Event::loop;	2309	Event::loop;
2007	}	2310	}
2008		2311
2009	#############################################################################	2312	#############################################################################
2010	# 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	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2011		2358
2012	sub reload() {	2359	sub reload() {
2013	# can/must only be called in main	2360	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2016	return;	2363	return;
2017	}	2364	}
2018		2365
2019	warn "reloading...";	2366	warn "reloading...";
2020		2367
2021	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2022	cf::emergency_save;	2371	cf::emergency_save;
2023		2372
2024	eval {	2373	eval {
2025	# 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
2026		2375
2027	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2382	}
2031		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
2032	# cancel all extension coros	2392	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2394	%EXT_CORO = ();
2035		2395
2036	# unload all extensions	2396	warn "removing commands";
2037	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2039	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: $@";
2040	}	2411	}
2041		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2042	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2420
2046	warn "removing <$k>";	2421	warn "... unloading $k";
2047	delete $INC{$k};	2422	delete $INC{$k};
2048		2423
2049	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2051		2426
…		…
2054	}	2429	}
2055		2430
2056	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2057	}	2432	}
2058		2433
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2065	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);
2066		2437
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2072		2440
2073	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2442	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2076		2444
2077	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2078	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2079	require cf;	2448	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2450
2082	# load config and database again	2451	warn "loading config and database again";
2083	cf::cfg_load;	2452	cf::cfg_load;
2084	cf::db_load;	2453	cf::db_load;
2085		2454
2086	# load extensions
2087	warn "load extensions";	2455	warn "loading extensions";
2088	cf::load_extensions;	2456	cf::load_extensions;
2089		2457
2090	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2093	};	2466	};
2094		2467
2095	if ($@) {	2468	if ($@) {
2096	warn $@;	2469	warn $@;
2097	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2098	exit 1;	2471	exit 1;
2099	}	2472	}
2100		2473
2101	warn "reloaded successfully";	2474	warn "reloaded";
2102	};	2475	};
2103		2476
2104	#############################################################################	2477	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2478
2149	register_command "reload" => sub {	2479	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2151		2481
2152	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2493	reload;
2155	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2156	}	2497	}
2157	};	2498	};
2158		2499
2159	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2160		2503
2161	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2163	prio => 0,	2507	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2166	cb => sub {	2510	cb => sub {
		2511	if ($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
2167	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2169	$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#
2170		2531
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2534
2174	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2176	},	2537	},
2177	);	2538	);
2178		2539
2179	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2180		2541
2181	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2546	poll => 'r',
2184	prio => 5,	2547	prio => 6,
2185	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2187	);	2550	);
2188		2551
2189	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2191	after => 0,	2555	after => 1,
2192	interval => 10,	2556	interval => 10,
2193	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2195	write_runtime	2559	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2561	},
2199	);	2562	);
2200		2563
2201	END { cf::emergency_save }	2564	END { cf::emergency_save }
2202		2565

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